genshi/mirror: genshi/template/directives.py annotate

annotate genshi/template/directives.py @ 380:bf2068f5ef74 trunk

Fail gracefully in `Directive.__repr__` if the `expr` attribute does not exist for some reason I don't really understand right now (see Trac ticket [http://trac.edgewall.org/ticket/4249 #4249]).

author	cmlenz
date	Fri, 24 Nov 2006 17:31:02 +0000
parents	fe40d34fb71d
children	e29a94b3ba0c

rev	line source
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	1 # -- coding: utf-8 --
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	2 #
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	3 # Copyright (C) 2006 Edgewall Software
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	4 # All rights reserved.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	5 #
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	6 # This software is licensed as described in the file COPYING, which
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	7 # you should have received as part of this distribution. The terms
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	8 # are also available at http://genshi.edgewall.org/wiki/License.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	9 #
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	10 # This software consists of voluntary contributions made by many
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	11 # individuals. For the exact contribution history, see the revision
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	12 # history and logs, available at http://genshi.edgewall.org/log/.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	13
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	14 """Implementation of the various template directives."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	15
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	16 import compiler
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	17
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	18 from genshi.core import Attrs, Stream
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	19 from genshi.path import Path
362 fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	20 from genshi.template.core import TemplateRuntimeError, TemplateSyntaxError, \
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	21 EXPR, _apply_directives
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	22 from genshi.template.eval import Expression, _parse
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	23
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	24 __all__ = ['AttrsDirective', 'ChooseDirective', 'ContentDirective',
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	25 'DefDirective', 'ForDirective', 'IfDirective', 'MatchDirective',
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	26 'OtherwiseDirective', 'ReplaceDirective', 'StripDirective',
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	27 'WhenDirective', 'WithDirective']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	28
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	29
362 fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	30 class DirectiveMeta(type):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	31 """Meta class for template directives."""
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	32
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	33 def __new__(cls, name, bases, d):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	34 d['tagname'] = name.lower().replace('directive', '')
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	35 return type.__new__(cls, name, bases, d)
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	36
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	37
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	38 class Directive(object):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	39 """Abstract base class for template directives.
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	40
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	41 A directive is basically a callable that takes three positional arguments:
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	42 `ctxt` is the template data context, `stream` is an iterable over the
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	43 events that the directive applies to, and `directives` is is a list of
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	44 other directives on the same stream that need to be applied.
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	45
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	46 Directives can be "anonymous" or "registered". Registered directives can be
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	47 applied by the template author using an XML attribute with the
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	48 corresponding name in the template. Such directives should be subclasses of
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	49 this base class that can be instantiated with the value of the directive
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	50 attribute as parameter.
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	51
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	52 Anonymous directives are simply functions conforming to the protocol
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	53 described above, and can only be applied programmatically (for example by
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	54 template filters).
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	55 """
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	56 __metaclass__ = DirectiveMeta
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	57 __slots__ = ['expr']
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	58
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	59 def __init__(self, value, namespaces=None, filename=None, lineno=-1,
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	60 offset=-1):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	61 self.expr = self._parse_expr(value, filename, lineno, offset)
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	62
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	63 def attach(cls, template, stream, value, namespaces, pos):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	64 """Called after the template stream has been completely parsed.
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	65
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	66 @param template: the `Template` object
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	67 @param stream: the event stream associated with the directive
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	68 @param value: the argument value for the directive
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	69 @param namespaces: a mapping of namespace URIs to prefixes
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	70 @param pos: a `(filename, lineno, offset)` tuple describing the location
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	71 where the directive was found in the source
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	72
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	73 This class method should return a `(directive, stream)` tuple. If
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	74 `directive` is not `None`, it should be an instance of the `Directive`
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	75 class, and gets added to the list of directives applied to the substream
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	76 at runtime. `stream` is an event stream that replaces the original
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	77 stream associated with the directive.
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	78 """
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	79 return cls(value, namespaces, template.filename, *pos[1:]), stream
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	80 attach = classmethod(attach)
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	81
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	82 def __call__(self, stream, ctxt, directives):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	83 """Apply the directive to the given stream.
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	84
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	85 @param stream: the event stream
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	86 @param ctxt: the context data
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	87 @param directives: a list of the remaining directives that should
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	88 process the stream
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	89 """
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	90 raise NotImplementedError
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	91
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	92 def __repr__(self):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	93 expr = ''
380 bf2068f5ef74 Fail gracefully in `Directive.__repr__` if the `expr` attribute does not exist for some reason I don't really understand right now (see Trac ticket [http://trac.edgewall.org/ticket/4249 #4249]). cmlenz parents: 362 diff changeset	94 if getattr(self, 'expr', None) is not None:
362 fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	95 expr = ' "%s"' % self.expr.source
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	96 return '<%s%s>' % (self.__class__.__name__, expr)
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	97
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	98 def _parse_expr(cls, expr, filename=None, lineno=-1, offset=-1):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	99 """Parses the given expression, raising a useful error message when a
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	100 syntax error is encountered.
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	101 """
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	102 try:
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	103 return expr and Expression(expr, filename, lineno) or None
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	104 except SyntaxError, err:
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	105 err.msg += ' in expression "%s" of "%s" directive' % (expr,
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	106 cls.tagname)
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	107 raise TemplateSyntaxError(err, filename, lineno,
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	108 offset + (err.offset or 0))
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	109 _parse_expr = classmethod(_parse_expr)
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	110
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	111
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	112 def _assignment(ast):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	113 """Takes the AST representation of an assignment, and returns a function
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	114 that applies the assignment of a given value to a dictionary.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	115 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	116 def _names(node):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	117 if isinstance(node, (compiler.ast.AssTuple, compiler.ast.Tuple)):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	118 return tuple([_names(child) for child in node.nodes])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	119 elif isinstance(node, (compiler.ast.AssName, compiler.ast.Name)):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	120 return node.name
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	121 def _assign(data, value, names=_names(ast)):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	122 if type(names) is tuple:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	123 for idx in range(len(names)):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	124 _assign(data, value[idx], names[idx])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	125 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	126 data[names] = value
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	127 return _assign
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	128
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	129
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	130 class AttrsDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	131 """Implementation of the `py:attrs` template directive.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	132
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	133 The value of the `py:attrs` attribute should be a dictionary or a sequence
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	134 of `(name, value)` tuples. The items in that dictionary or sequence are
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	135 added as attributes to the element:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	136
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	137 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	138 >>> tmpl = MarkupTemplate('''<ul xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	139 ... <li py:attrs="foo">Bar</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	140 ... </ul>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	141 >>> print tmpl.generate(foo={'class': 'collapse'})
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	142 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	143 <li class="collapse">Bar</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	144 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	145 >>> print tmpl.generate(foo=[('class', 'collapse')])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	146 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	147 <li class="collapse">Bar</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	148 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	149
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	150 If the value evaluates to `None` (or any other non-truth value), no
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	151 attributes are added:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	152
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	153 >>> print tmpl.generate(foo=None)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	154 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	155 <li>Bar</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	156 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	157 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	158 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	159
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	160 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	161 def _generate():
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	162 kind, (tag, attrib), pos = stream.next()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	163 attrs = self.expr.evaluate(ctxt)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	164 if attrs:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	165 if isinstance(attrs, Stream):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	166 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	167 attrs = iter(attrs).next()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	168 except StopIteration:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	169 attrs = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	170 elif not isinstance(attrs, list): # assume it's a dict
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	171 attrs = attrs.items()
345 2aa7ca37ae6a Make `Attrs` instances immutable. cmlenz parents: 343 diff changeset	172 attrib -= [name for name, val in attrs if val is None]
2aa7ca37ae6a Make `Attrs` instances immutable. cmlenz parents: 343 diff changeset	173 attrib \|= [(name, unicode(val).strip()) for name, val in attrs
2aa7ca37ae6a Make `Attrs` instances immutable. cmlenz parents: 343 diff changeset	174 if val is not None]
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	175 yield kind, (tag, attrib), pos
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	176 for event in stream:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	177 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	178
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	179 return _apply_directives(_generate(), ctxt, directives)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	180
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	181
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	182 class ContentDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	183 """Implementation of the `py:content` template directive.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	184
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	185 This directive replaces the content of the element with the result of
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	186 evaluating the value of the `py:content` attribute:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	187
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	188 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	189 >>> tmpl = MarkupTemplate('''<ul xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	190 ... <li py:content="bar">Hello</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	191 ... </ul>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	192 >>> print tmpl.generate(bar='Bye')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	193 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	194 <li>Bye</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	195 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	196 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	197 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	198
362 fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	199 def attach(cls, template, stream, value, namespaces, pos):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	200 expr = cls._parse_expr(value, template.filename, *pos[1:])
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	201 return None, [stream[0], (EXPR, expr, pos), stream[-1]]
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	202 attach = classmethod(attach)
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	203
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	204
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	205 class DefDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	206 """Implementation of the `py:def` template directive.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	207
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	208 This directive can be used to create "Named Template Functions", which
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	209 are template snippets that are not actually output during normal
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	210 processing, but rather can be expanded from expressions in other places
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	211 in the template.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	212
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	213 A named template function can be used just like a normal Python function
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	214 from template expressions:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	215
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	216 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	217 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	218 ... <p py:def="echo(greeting, name='world')" class="message">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	219 ... ${greeting}, ${name}!
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	220 ... </p>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	221 ... ${echo('Hi', name='you')}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	222 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	223 >>> print tmpl.generate(bar='Bye')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	224 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	225 <p class="message">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	226 Hi, you!
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	227 </p>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	228 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	229
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	230 If a function does not require parameters, the parenthesis can be omitted
343 35189e960252 Remove automatic calling of expression evaluation results if they are callable. See [http://groups.google.com/group/genshi/browse_thread/thread/f515986760918d41 this mailing list thread]. cmlenz parents: 336 diff changeset	231 in the definition:
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	232
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	233 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	234 ... <p py:def="helloworld" class="message">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	235 ... Hello, world!
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	236 ... </p>
343 35189e960252 Remove automatic calling of expression evaluation results if they are callable. See [http://groups.google.com/group/genshi/browse_thread/thread/f515986760918d41 this mailing list thread]. cmlenz parents: 336 diff changeset	237 ... ${helloworld()}
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	238 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	239 >>> print tmpl.generate(bar='Bye')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	240 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	241 <p class="message">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	242 Hello, world!
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	243 </p>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	244 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	245 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	246 __slots__ = ['name', 'args', 'defaults']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	247
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	248 ATTRIBUTE = 'function'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	249
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	250 def __init__(self, args, namespaces=None, filename=None, lineno=-1,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	251 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	252 Directive.__init__(self, None, namespaces, filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	253 ast = _parse(args).node
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	254 self.args = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	255 self.defaults = {}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	256 if isinstance(ast, compiler.ast.CallFunc):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	257 self.name = ast.node.name
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	258 for arg in ast.args:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	259 if isinstance(arg, compiler.ast.Keyword):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	260 self.args.append(arg.name)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	261 self.defaults[arg.name] = Expression(arg.expr, filename,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	262 lineno)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	263 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	264 self.args.append(arg.name)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	265 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	266 self.name = ast.name
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	267
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	268 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	269 stream = list(stream)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	270
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	271 def function(args, *kwargs):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	272 scope = {}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	273 args = list(args) # make mutable
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	274 for name in self.args:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	275 if args:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	276 scope[name] = args.pop(0)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	277 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	278 if name in kwargs:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	279 val = kwargs.pop(name)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	280 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	281 val = self.defaults.get(name).evaluate(ctxt)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	282 scope[name] = val
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	283 ctxt.push(scope)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	284 for event in _apply_directives(stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	285 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	286 ctxt.pop()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	287 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	288 function.__name__ = self.name
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	289 except TypeError:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	290 # Function name can't be set in Python 2.3
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	291 pass
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	292
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	293 # Store the function reference in the bottom context frame so that it
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	294 # doesn't get popped off before processing the template has finished
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	295 # FIXME: this makes context data mutable as a side-effect
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	296 ctxt.frames[-1][self.name] = function
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	297
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	298 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	299
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	300 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	301 return '<%s "%s">' % (self.__class__.__name__, self.name)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	302
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	303
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	304 class ForDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	305 """Implementation of the `py:for` template directive for repeating an
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	306 element based on an iterable in the context data.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	307
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	308 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	309 >>> tmpl = MarkupTemplate('''<ul xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	310 ... <li py:for="item in items">${item}</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	311 ... </ul>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	312 >>> print tmpl.generate(items=[1, 2, 3])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	313 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	314 <li>1</li><li>2</li><li>3</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	315 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	316 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	317 __slots__ = ['assign', 'filename']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	318
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	319 ATTRIBUTE = 'each'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	320
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	321 def __init__(self, value, namespaces=None, filename=None, lineno=-1,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	322 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	323 if ' in ' not in value:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	324 raise TemplateSyntaxError('"in" keyword missing in "for" directive',
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	325 filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	326 assign, value = value.split(' in ', 1)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	327 ast = _parse(assign, 'exec')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	328 self.assign = _assignment(ast.node.nodes[0].expr)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	329 self.filename = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	330 Directive.__init__(self, value.strip(), namespaces, filename, lineno,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	331 offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	332
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	333 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	334 iterable = self.expr.evaluate(ctxt)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	335 if iterable is None:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	336 return
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	337
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	338 assign = self.assign
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	339 scope = {}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	340 stream = list(stream)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	341 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	342 iterator = iter(iterable)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	343 for item in iterator:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	344 assign(scope, item)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	345 ctxt.push(scope)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	346 for event in _apply_directives(stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	347 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	348 ctxt.pop()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	349 except TypeError, e:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	350 raise TemplateRuntimeError(str(e), self.filename, *stream[0][2][1:])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	351
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	352 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	353 return '<%s>' % self.__class__.__name__
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	354
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	355
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	356 class IfDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	357 """Implementation of the `py:if` template directive for conditionally
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	358 excluding elements from being output.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	359
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	360 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	361 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	362 ... <b py:if="foo">${bar}</b>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	363 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	364 >>> print tmpl.generate(foo=True, bar='Hello')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	365 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	366 <b>Hello</b>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	367 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	368 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	369 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	370
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	371 ATTRIBUTE = 'test'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	372
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	373 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	374 if self.expr.evaluate(ctxt):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	375 return _apply_directives(stream, ctxt, directives)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	376 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	377
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	378
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	379 class MatchDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	380 """Implementation of the `py:match` template directive.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	381
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	382 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	383 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	384 ... <span py:match="greeting">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	385 ... Hello ${select('@name')}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	386 ... </span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	387 ... <greeting name="Dude" />
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	388 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	389 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	390 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	391 <span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	392 Hello Dude
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	393 </span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	394 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	395 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	396 __slots__ = ['path', 'namespaces']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	397
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	398 ATTRIBUTE = 'path'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	399
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	400 def __init__(self, value, namespaces=None, filename=None, lineno=-1,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	401 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	402 Directive.__init__(self, None, namespaces, filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	403 self.path = Path(value, filename, lineno)
362 fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	404 self.namespaces = namespaces or {}
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	405
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	406 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	407 ctxt._match_templates.append((self.path.test(ignore_context=True),
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	408 self.path, list(stream), self.namespaces,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	409 directives))
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	410 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	411
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	412 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	413 return '<%s "%s">' % (self.__class__.__name__, self.path.source)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	414
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	415
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	416 class ReplaceDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	417 """Implementation of the `py:replace` template directive.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	418
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	419 This directive replaces the element with the result of evaluating the
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	420 value of the `py:replace` attribute:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	421
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	422 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	423 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	424 ... <span py:replace="bar">Hello</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	425 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	426 >>> print tmpl.generate(bar='Bye')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	427 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	428 Bye
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	429 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	430
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	431 This directive is equivalent to `py:content` combined with `py:strip`,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	432 providing a less verbose way to achieve the same effect:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	433
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	434 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	435 ... <span py:content="bar" py:strip="">Hello</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	436 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	437 >>> print tmpl.generate(bar='Bye')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	438 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	439 Bye
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	440 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	441 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	442 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	443
362 fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	444 def attach(cls, template, stream, value, namespaces, pos):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	445 expr = cls._parse_expr(value, template.filename, *pos[1:])
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	446 return None, [(EXPR, expr, pos)]
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	447 attach = classmethod(attach)
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	448
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	449
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	450 class StripDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	451 """Implementation of the `py:strip` template directive.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	452
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	453 When the value of the `py:strip` attribute evaluates to `True`, the element
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	454 is stripped from the output
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	455
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	456 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	457 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	458 ... <div py:strip="True"><b>foo</b></div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	459 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	460 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	461 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	462 <b>foo</b>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	463 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	464
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	465 Leaving the attribute value empty is equivalent to a truth value.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	466
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	467 This directive is particulary interesting for named template functions or
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	468 match templates that do not generate a top-level element:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	469
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	470 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	471 ... <div py:def="echo(what)" py:strip="">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	472 ... <b>${what}</b>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	473 ... </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	474 ... ${echo('foo')}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	475 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	476 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	477 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	478 <b>foo</b>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	479 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	480 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	481 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	482
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	483 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	484 def _generate():
351 0cc031745884 The `py:content`, `py:replace`, and `py:strip=""` directives are now expanded when the template is loaded (as opposed to when it's rendered). cmlenz parents: 345 diff changeset	485 if self.expr.evaluate(ctxt):
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	486 stream.next() # skip start tag
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	487 previous = stream.next()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	488 for event in stream:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	489 yield previous
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	490 previous = event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	491 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	492 for event in stream:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	493 yield event
351 0cc031745884 The `py:content`, `py:replace`, and `py:strip=""` directives are now expanded when the template is loaded (as opposed to when it's rendered). cmlenz parents: 345 diff changeset	494 return _apply_directives(_generate(), ctxt, directives)
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	495
362 fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	496 def attach(cls, template, stream, value, namespaces, pos):
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	497 if not value:
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	498 return None, stream[1:-1]
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	499 return super(StripDirective, cls).attach(template, stream, value,
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	500 namespaces, pos)
fe40d34fb71d Follow-up to [431]: directives are no longer instantiated directly at parse time, but instead by the `attach()` method of the directive class (which replaces the `prepare()` method). cmlenz parents: 351 diff changeset	501 attach = classmethod(attach)
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	502
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	503
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	504 class ChooseDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	505 """Implementation of the `py:choose` directive for conditionally selecting
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	506 one of several body elements to display.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	507
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	508 If the `py:choose` expression is empty the expressions of nested `py:when`
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	509 directives are tested for truth. The first true `py:when` body is output.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	510 If no `py:when` directive is matched then the fallback directive
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	511 `py:otherwise` will be used.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	512
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	513 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	514 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/"
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	515 ... py:choose="">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	516 ... <span py:when="0 == 1">0</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	517 ... <span py:when="1 == 1">1</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	518 ... <span py:otherwise="">2</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	519 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	520 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	521 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	522 <span>1</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	523 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	524
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	525 If the `py:choose` directive contains an expression, the nested `py:when`
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	526 directives are tested for equality to the `py:choose` expression:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	527
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	528 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/"
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	529 ... py:choose="2">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	530 ... <span py:when="1">1</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	531 ... <span py:when="2">2</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	532 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	533 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	534 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	535 <span>2</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	536 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	537
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	538 Behavior is undefined if a `py:choose` block contains content outside a
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	539 `py:when` or `py:otherwise` block. Behavior is also undefined if a
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	540 `py:otherwise` occurs before `py:when` blocks.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	541 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	542 __slots__ = ['matched', 'value']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	543
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	544 ATTRIBUTE = 'test'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	545
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	546 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	547 frame = dict({'_choose.matched': False})
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	548 if self.expr:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	549 frame['_choose.value'] = self.expr.evaluate(ctxt)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	550 ctxt.push(frame)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	551 for event in _apply_directives(stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	552 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	553 ctxt.pop()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	554
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	555
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	556 class WhenDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	557 """Implementation of the `py:when` directive for nesting in a parent with
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	558 the `py:choose` directive.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	559
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	560 See the documentation of `py:choose` for usage.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	561 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	562 __slots__ = ['filename']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	563
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	564 ATTRIBUTE = 'test'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	565
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	566 def __init__(self, value, namespaces=None, filename=None, lineno=-1,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	567 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	568 Directive.__init__(self, value, namespaces, filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	569 self.filename = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	570
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	571 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	572 matched, frame = ctxt._find('_choose.matched')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	573 if not frame:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	574 raise TemplateRuntimeError('"when" directives can only be used '
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	575 'inside a "choose" directive',
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	576 self.filename, *stream.next()[2][1:])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	577 if matched:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	578 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	579 if not self.expr and '_choose.value' not in frame:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	580 raise TemplateRuntimeError('either "choose" or "when" directive '
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	581 'must have a test expression',
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	582 self.filename, *stream.next()[2][1:])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	583 if '_choose.value' in frame:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	584 value = frame['_choose.value']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	585 if self.expr:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	586 matched = value == self.expr.evaluate(ctxt)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	587 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	588 matched = bool(value)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	589 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	590 matched = bool(self.expr.evaluate(ctxt))
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	591 frame['_choose.matched'] = matched
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	592 if not matched:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	593 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	594
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	595 return _apply_directives(stream, ctxt, directives)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	596
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	597
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	598 class OtherwiseDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	599 """Implementation of the `py:otherwise` directive for nesting in a parent
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	600 with the `py:choose` directive.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	601
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	602 See the documentation of `py:choose` for usage.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	603 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	604 __slots__ = ['filename']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	605
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	606 def __init__(self, value, namespaces=None, filename=None, lineno=-1,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	607 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	608 Directive.__init__(self, None, namespaces, filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	609 self.filename = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	610
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	611 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	612 matched, frame = ctxt._find('_choose.matched')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	613 if not frame:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	614 raise TemplateRuntimeError('an "otherwise" directive can only be '
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	615 'used inside a "choose" directive',
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	616 self.filename, *stream.next()[2][1:])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	617 if matched:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	618 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	619 frame['_choose.matched'] = True
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	620
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	621 return _apply_directives(stream, ctxt, directives)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	622
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	623
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	624 class WithDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	625 """Implementation of the `py:with` template directive, which allows
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	626 shorthand access to variables and expressions.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	627
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	628 >>> from genshi.template import MarkupTemplate
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	629 >>> tmpl = MarkupTemplate('''<div xmlns:py="http://genshi.edgewall.org/">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	630 ... <span py:with="y=7; z=x+10">$x $y $z</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	631 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	632 >>> print tmpl.generate(x=42)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	633 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	634 <span>42 7 52</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	635 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	636 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	637 __slots__ = ['vars']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	638
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	639 ATTRIBUTE = 'vars'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	640
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	641 def __init__(self, value, namespaces=None, filename=None, lineno=-1,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	642 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	643 Directive.__init__(self, None, namespaces, filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	644 self.vars = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	645 value = value.strip()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	646 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	647 ast = _parse(value, 'exec').node
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	648 for node in ast.nodes:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	649 if isinstance(node, compiler.ast.Discard):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	650 continue
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	651 elif not isinstance(node, compiler.ast.Assign):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	652 raise TemplateSyntaxError('only assignment allowed in '
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	653 'value of the "with" directive',
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	654 filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	655 self.vars.append(([_assignment(n) for n in node.nodes],
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	656 Expression(node.expr, filename, lineno)))
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	657 except SyntaxError, err:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	658 err.msg += ' in expression "%s" of "%s" directive' % (value,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	659 self.tagname)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	660 raise TemplateSyntaxError(err, filename, lineno,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	661 offset + (err.offset or 0))
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	662
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	663 def __call__(self, stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	664 frame = {}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	665 ctxt.push(frame)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	666 for targets, expr in self.vars:
343 35189e960252 Remove automatic calling of expression evaluation results if they are callable. See [http://groups.google.com/group/genshi/browse_thread/thread/f515986760918d41 this mailing list thread]. cmlenz parents: 336 diff changeset	667 value = expr.evaluate(ctxt)
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	668 for assign in targets:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	669 assign(frame, value)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	670 for event in _apply_directives(stream, ctxt, directives):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	671 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	672 ctxt.pop()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	673
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	674 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	675 return '<%s>' % (self.__class__.__name__)

Mercurial > genshi > mirror

annotate genshi/template/directives.py @ 380:bf2068f5ef74 trunk