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

annotate genshi/template/directives.py @ 345:2aa7ca37ae6a trunk

Make `Attrs` instances immutable.

author	cmlenz
date	Fri, 10 Nov 2006 15:27:36 +0000
parents	35189e960252
children	0cc031745884

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
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	20 from genshi.template.core import EXPR, Directive, TemplateRuntimeError, \
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	21 TemplateSyntaxError, _apply_directives
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
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	30 def _assignment(ast):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	31 """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	32 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	33 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	34 def _names(node):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	35 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	36 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	37 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	38 return node.name
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	39 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	40 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	41 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	42 _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	43 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	44 data[names] = value
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	45 return _assign
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	46
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	47
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	48 class AttrsDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	49 """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	50
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	51 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	52 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	53 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	54
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	55 >>> 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	56 >>> 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	57 ... <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	58 ... </ul>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	59 >>> 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	60 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	61 <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	62 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	63 >>> 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	64 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	65 <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	66 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	67
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	68 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	69 attributes are added:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	70
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	71 >>> 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	72 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	73 <li>Bar</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	74 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	75 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	76 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	77
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	78 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	79 def _generate():
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	80 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	81 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	82 if attrs:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	83 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	84 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	85 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	86 except StopIteration:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	87 attrs = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	88 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	89 attrs = attrs.items()
345 2aa7ca37ae6a Make `Attrs` instances immutable. cmlenz parents: 343 diff changeset	90 attrib -= [name for name, val in attrs if val is None]
2aa7ca37ae6a Make `Attrs` instances immutable. cmlenz parents: 343 diff changeset	91 attrib \|= [(name, unicode(val).strip()) for name, val in attrs
2aa7ca37ae6a Make `Attrs` instances immutable. cmlenz parents: 343 diff changeset	92 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	93 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	94 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	95 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	96
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	97 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	98
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	99
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	100 class ContentDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	101 """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	102
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	103 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	104 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	105
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	106 >>> 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	107 >>> 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	108 ... <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	109 ... </ul>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	110 >>> 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	111 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	112 <li>Bye</li>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	113 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	114 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	115 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	116
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	117 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	118 def _generate():
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	119 yield stream.next()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	120 yield EXPR, self.expr, (None, -1, -1)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	121 event = stream.next()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	122 for next in stream:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	123 event = next
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	124 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	125
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	126 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	127
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 class DefDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	130 """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	131
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	132 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	133 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	134 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	135 in the template.
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 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	138 from template expressions:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	139
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	140 >>> 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	141 >>> 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	142 ... <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	143 ... ${greeting}, ${name}!
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	144 ... </p>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	145 ... ${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	146 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	147 >>> 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	148 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	149 <p class="message">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	150 Hi, you!
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	151 </p>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	152 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	153
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	154 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	155 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	156
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	157 >>> 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	158 ... <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	159 ... Hello, world!
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	160 ... </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	161 ... ${helloworld()}
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	162 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	163 >>> 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	164 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	165 <p class="message">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	166 Hello, world!
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	167 </p>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	168 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	169 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	170 __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	171
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	172 ATTRIBUTE = 'function'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	173
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	174 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	175 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	176 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	177 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	178 self.args = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	179 self.defaults = {}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	180 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	181 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	182 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	183 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	184 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	185 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	186 lineno)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	187 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	188 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	189 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	190 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	191
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	192 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	193 stream = list(stream)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	194
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	195 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	196 scope = {}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	197 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	198 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	199 if args:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	200 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	201 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	202 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	203 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	204 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	205 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	206 scope[name] = val
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	207 ctxt.push(scope)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	208 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	209 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	210 ctxt.pop()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	211 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	212 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	213 except TypeError:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	214 # 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	215 pass
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	216
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	217 # 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	218 # 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	219 # 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	220 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	221
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	222 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	223
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	224 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	225 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	226
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	227
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	228 class ForDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	229 """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	230 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	231
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	232 >>> 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	233 >>> 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	234 ... <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	235 ... </ul>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	236 >>> 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	237 <ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	238 <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	239 </ul>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	240 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	241 __slots__ = ['assign', 'filename']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	242
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	243 ATTRIBUTE = 'each'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	244
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	245 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	246 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	247 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	248 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	249 filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	250 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	251 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	252 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	253 self.filename = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	254 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	255 offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	256
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	257 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	258 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	259 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	260 return
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	261
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	262 assign = self.assign
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	263 scope = {}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	264 stream = list(stream)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	265 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	266 iterator = iter(iterable)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	267 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	268 assign(scope, item)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	269 ctxt.push(scope)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	270 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	271 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	272 ctxt.pop()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	273 except TypeError, e:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	274 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	275
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	276 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	277 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	278
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	279
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	280 class IfDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	281 """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	282 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	283
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	284 >>> 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	285 >>> 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	286 ... <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	287 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	288 >>> 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	289 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	290 <b>Hello</b>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	291 </div>
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 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	294
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	295 ATTRIBUTE = 'test'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	296
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	297 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	298 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	299 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	300 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	301
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 class MatchDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	304 """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	305
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	306 >>> 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	307 >>> 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	308 ... <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	309 ... Hello ${select('@name')}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	310 ... </span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	311 ... <greeting name="Dude" />
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	312 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	313 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	314 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	315 <span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	316 Hello Dude
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	317 </span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	318 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	319 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	320 __slots__ = ['path', 'namespaces']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	321
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	322 ATTRIBUTE = 'path'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	323
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	324 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	325 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	326 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	327 self.path = Path(value, filename, lineno)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	328 if namespaces is None:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	329 namespaces = {}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	330 self.namespaces = namespaces.copy()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	331
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	332 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	333 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	334 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	335 directives))
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 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	339 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	340
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	341
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	342 class ReplaceDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	343 """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	344
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	345 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	346 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	347
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	348 >>> 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	349 >>> 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	350 ... <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	351 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	352 >>> 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	353 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	354 Bye
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	355 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	356
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	357 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	358 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	359
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	360 >>> 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	361 ... <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	362 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	363 >>> 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	364 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	365 Bye
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	366 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	367 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	368 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	369
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	370 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	371 yield EXPR, self.expr, (None, -1, -1)
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
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	374 class StripDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	375 """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	376
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	377 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	378 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	379
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	380 >>> 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	381 >>> 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	382 ... <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	383 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	384 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	385 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	386 <b>foo</b>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	387 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	388
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	389 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	390
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	391 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	392 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	393
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	394 >>> 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	395 ... <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	396 ... <b>${what}</b>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	397 ... </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	398 ... ${echo('foo')}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	399 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	400 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	401 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	402 <b>foo</b>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	403 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	404 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	405 __slots__ = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	406
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	407 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	408 def _generate():
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	409 if self.expr:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	410 strip = 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	411 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	412 strip = True
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	413 if strip:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	414 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	415 previous = stream.next()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	416 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	417 yield previous
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	418 previous = event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	419 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	420 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	421 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	422
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	423 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	424
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	425
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	426 class ChooseDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	427 """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	428 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	429
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	430 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	431 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	432 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	433 `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	434
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	435 >>> 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	436 >>> 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	437 ... py:choose="">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	438 ... <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	439 ... <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	440 ... <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	441 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	442 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	443 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	444 <span>1</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	445 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	446
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	447 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	448 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	449
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	450 >>> 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	451 ... py:choose="2">
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	452 ... <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	453 ... <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	454 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	455 >>> print tmpl.generate()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	456 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	457 <span>2</span>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	458 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	459
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	460 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	461 `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	462 `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	463 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	464 __slots__ = ['matched', 'value']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	465
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	466 ATTRIBUTE = 'test'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	467
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	468 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	469 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	470 if self.expr:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	471 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	472 ctxt.push(frame)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	473 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	474 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	475 ctxt.pop()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	476
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	477
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	478 class WhenDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	479 """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	480 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	481
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	482 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	483 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	484 __slots__ = ['filename']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	485
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	486 ATTRIBUTE = 'test'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	487
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	488 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	489 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	490 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	491 self.filename = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	492
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	493 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	494 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	495 if not frame:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	496 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	497 '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	498 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	499 if matched:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	500 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	501 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	502 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	503 '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	504 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	505 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	506 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	507 if self.expr:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	508 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	509 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	510 matched = bool(value)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	511 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	512 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	513 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	514 if not matched:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	515 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	516
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	517 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	518
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	519
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	520 class OtherwiseDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	521 """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	522 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	523
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	524 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	525 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	526 __slots__ = ['filename']
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 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	529 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	530 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	531 self.filename = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	532
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	533 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	534 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	535 if not frame:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	536 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	537 '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	538 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	539 if matched:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	540 return []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	541 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	542
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	543 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	544
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 class WithDirective(Directive):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	547 """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	548 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	549
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	550 >>> 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	551 >>> 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	552 ... <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	553 ... </div>''')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	554 >>> 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	555 <div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	556 <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	557 </div>
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	558 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	559 __slots__ = ['vars']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	560
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	561 ATTRIBUTE = 'vars'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	562
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	563 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	564 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	565 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	566 self.vars = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	567 value = value.strip()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	568 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	569 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	570 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	571 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	572 continue
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	573 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	574 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	575 '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	576 filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	577 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	578 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	579 except SyntaxError, err:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	580 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	581 self.tagname)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	582 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	583 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	584
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	585 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	586 frame = {}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	587 ctxt.push(frame)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	588 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	589 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	590 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	591 assign(frame, value)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	592 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	593 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	594 ctxt.pop()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	595
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	596 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	597 return '<%s>' % (self.__class__.__name__)

Mercurial > genshi > mirror

annotate genshi/template/directives.py @ 345:2aa7ca37ae6a trunk