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

annotate genshi/template/core.py @ 355:94639584725a experimental-inline

inline branch: Merged [430:434/trunk].

author	cmlenz
date	Mon, 13 Nov 2006 18:16:57 +0000
parents	4a2050e9dcd8
children	a81675590258

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 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	15 from collections import deque
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	16 except ImportError:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	17 class deque(list):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	18 def appendleft(self, x): self.insert(0, x)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	19 def popleft(self): return self.pop(0)
339 d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	20 import imp
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	21 import os
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	22 import re
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	23 from StringIO import StringIO
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	24
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	25 from genshi.core import Attrs, Stream, StreamEventKind, START, TEXT, _ensure
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	26 from genshi.template.eval import Expression
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	27
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	28 __all__ = ['Context', 'Template', 'TemplateError', 'TemplateRuntimeError',
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	29 'TemplateSyntaxError', 'BadDirectiveError']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	30
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	31
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	32 class TemplateError(Exception):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	33 """Base exception class for errors related to template processing."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	34
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	35
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	36 class TemplateRuntimeError(TemplateError):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	37 """Exception raised when an the evualation of a Python expression in a
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	38 template causes an error."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	39
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	40 def __init__(self, message, filename='<string>', lineno=-1, offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	41 self.msg = message
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	42 message = '%s (%s, line %d)' % (self.msg, filename, lineno)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	43 TemplateError.__init__(self, message)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	44 self.filename = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	45 self.lineno = lineno
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	46 self.offset = offset
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
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	49 class TemplateSyntaxError(TemplateError):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	50 """Exception raised when an expression in a template causes a Python syntax
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	51 error."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	52
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	53 def __init__(self, message, filename='<string>', lineno=-1, offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	54 if isinstance(message, SyntaxError) and message.lineno is not None:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	55 message = str(message).replace(' (line %d)' % message.lineno, '')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	56 self.msg = message
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	57 message = '%s (%s, line %d)' % (self.msg, filename, lineno)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	58 TemplateError.__init__(self, message)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	59 self.filename = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	60 self.lineno = lineno
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	61 self.offset = offset
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	62
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	63
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	64 class BadDirectiveError(TemplateSyntaxError):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	65 """Exception raised when an unknown directive is encountered when parsing
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	66 a template.
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 An unknown directive is any attribute using the namespace for directives,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	69 with a local name that doesn't match any registered directive.
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
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	72 def __init__(self, name, filename='<string>', lineno=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	73 message = 'bad directive "%s"' % name
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	74 TemplateSyntaxError.__init__(self, message, filename, lineno)
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
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	77 class Context(object):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	78 """Container for template input data.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	79
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	80 A context provides a stack of scopes (represented by dictionaries).
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	81
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	82 Template directives such as loops can push a new scope on the stack with
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	83 data that should only be available inside the loop. When the loop
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	84 terminates, that scope can get popped off the stack again.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	85
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	86 >>> ctxt = Context(one='foo', other=1)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	87 >>> ctxt.get('one')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	88 'foo'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	89 >>> ctxt.get('other')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	90 1
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	91 >>> ctxt.push(dict(one='frost'))
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	92 >>> ctxt.get('one')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	93 'frost'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	94 >>> ctxt.get('other')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	95 1
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	96 >>> ctxt.pop()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	97 {'one': 'frost'}
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	98 >>> ctxt.get('one')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	99 'foo'
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	100 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	101
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	102 def __init__(self, **data):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	103 self.frames = deque([data])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	104 self.pop = self.frames.popleft
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	105 self.push = self.frames.appendleft
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	106 self._match_templates = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	107
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	108 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	109 return repr(list(self.frames))
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	110
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	111 def __setitem__(self, key, value):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	112 """Set a variable in the current scope."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	113 self.frames[0][key] = value
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 def _find(self, key, default=None):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	116 """Retrieve a given variable's value and the frame it was found in.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	117
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	118 Intented for internal use by directives.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	119 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	120 for frame in self.frames:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	121 if key in frame:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	122 return frame[key], frame
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	123 return default, None
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	124
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	125 def get(self, key, default=None):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	126 """Get a variable's value, starting at the current scope and going
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	127 upward.
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 for frame in self.frames:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	130 if key in frame:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	131 return frame[key]
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	132 return default
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	133 __getitem__ = get
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	134
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	135 def push(self, data):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	136 """Push a new scope on the stack."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	137
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	138 def pop(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	139 """Pop the top-most scope from the stack."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	140
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	141
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	142 class Directive(object):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	143 """Abstract base class for template directives.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	144
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	145 A directive is basically a callable that takes three positional arguments:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	146 `ctxt` is the template data context, `stream` is an iterable over the
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	147 events that the directive applies to, and `directives` is is a list of
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	148 other directives on the same stream that need to be applied.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	149
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	150 Directives can be "anonymous" or "registered". Registered directives can be
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	151 applied by the template author using an XML attribute with the
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	152 corresponding name in the template. Such directives should be subclasses of
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	153 this base class that can be instantiated with the value of the directive
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	154 attribute as parameter.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	155
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	156 Anonymous directives are simply functions conforming to the protocol
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	157 described above, and can only be applied programmatically (for example by
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	158 template filters).
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	159 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	160 __slots__ = ['expr']
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	161
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	162 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	163 offset=-1):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	164 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	165 self.expr = value and Expression(value, filename, lineno) or None
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	166 except SyntaxError, err:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	167 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	168 self.tagname)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	169 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	170 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	171
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	172 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	173 raise NotImplementedError
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	174
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	175 def __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	176 expr = ''
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	177 if self.expr is not None:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	178 expr = ' "%s"' % self.expr.source
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	179 return '<%s%s>' % (self.__class__.__name__, expr)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	180
355 94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	181 def prepare(self, directives, stream):
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	182 """Called after the template stream has been completely parsed.
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	183
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	184 The part of the template stream associated with the directive will be
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	185 replaced by what this function returns. This allows the directive to
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	186 optimize the template or validate the way the directive is used.
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	187 """
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	188 return stream
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	189
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	190 def tagname(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	191 """Return the local tag name of the directive as it is used in
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	192 templates.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	193 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	194 return self.__class__.__name__.lower().replace('directive', '')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	195 tagname = property(tagname)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	196
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	197
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	198 def _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	199 """Apply the given directives to the stream."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	200 if directives:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	201 stream = directives[0](iter(stream), ctxt, directives[1:])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	202 return stream
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	203
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	204
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	205 class TemplateMeta(type):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	206 """Meta class for templates."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	207
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	208 def __new__(cls, name, bases, d):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	209 if 'directives' in d:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	210 d['_dir_by_name'] = dict(d['directives'])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	211 d['_dir_order'] = [directive[1] for directive in d['directives']]
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	212
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	213 return type.__new__(cls, name, bases, d)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	214
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	215
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	216 class Template(object):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	217 """Abstract template base class.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	218
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	219 This class implements most of the template processing model, but does not
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	220 specify the syntax of templates.
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 __metaclass__ = TemplateMeta
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 EXPR = StreamEventKind('EXPR') # an expression
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	225 SUB = StreamEventKind('SUB') # a "subprogram"
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 def __init__(self, source, basedir=None, filename=None, loader=None,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	228 encoding=None):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	229 """Initialize a template from either a string or a file-like object."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	230 if isinstance(source, basestring):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	231 self.source = StringIO(source)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	232 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	233 self.source = source
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	234 self.basedir = basedir
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	235 self.filename = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	236 if basedir and filename:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	237 self.filepath = os.path.join(basedir, filename)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	238 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	239 self.filepath = filename
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 self.filters = [self._flatten, self._eval]
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	242
355 94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	243 self.stream = list(self._prepare(self._parse(encoding)))
336 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 __repr__(self):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	246 return '<%s "%s">' % (self.__class__.__name__, self.filename)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	247
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	248 def _parse(self, encoding):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	249 """Parse the template.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	250
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	251 The parsing stage parses the template and constructs a list of
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	252 directives that will be executed in the render stage. The input is
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	253 split up into literal output (text that does not depend on the context
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	254 data) and directives or expressions.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	255 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	256 raise NotImplementedError
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	257
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	258 _FULL_EXPR_RE = re.compile(r'(?<!\$)\$\{(.+?)\}', re.DOTALL)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	259 _SHORT_EXPR_RE = re.compile(r'(?<!\$)\$([a-zA-Z_][a-zA-Z0-9_\.]*)')
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	260
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	261 def _interpolate(cls, text, basedir=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	262 offset=0):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	263 """Parse the given string and extract expressions.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	264
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	265 This method returns a list containing both literal text and `Expression`
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	266 objects.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	267
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	268 @param text: the text to parse
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	269 @param lineno: the line number at which the text was found (optional)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	270 @param offset: the column number at which the text starts in the source
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	271 (optional)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	272 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	273 filepath = filename
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	274 if filepath and basedir:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	275 filepath = os.path.join(basedir, filepath)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	276 def _interpolate(text, patterns, lineno=lineno, offset=offset):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	277 for idx, grp in enumerate(patterns.pop(0).split(text)):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	278 if idx % 2:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	279 try:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	280 yield EXPR, Expression(grp.strip(), filepath, lineno), \
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	281 (filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	282 except SyntaxError, err:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	283 raise TemplateSyntaxError(err, filepath, lineno,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	284 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	285 elif grp:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	286 if patterns:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	287 for result in _interpolate(grp, patterns[:]):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	288 yield result
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	289 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	290 yield TEXT, grp.replace('$$', '$'), \
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	291 (filename, lineno, offset)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	292 if '\n' in grp:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	293 lines = grp.splitlines()
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	294 lineno += len(lines) - 1
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	295 offset += len(lines[-1])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	296 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	297 offset += len(grp)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	298 return _interpolate(text, [cls._FULL_EXPR_RE, cls._SHORT_EXPR_RE])
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	299 _interpolate = classmethod(_interpolate)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	300
355 94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	301 def _prepare(self, stream):
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	302 """Call the `prepare` method of every directive instance in the
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	303 template so that various optimization and validation tasks can be
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	304 performed.
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	305 """
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	306 for kind, data, pos in stream:
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	307 if kind is SUB:
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	308 directives, substream = data
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	309 for directive in directives[:]:
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	310 substream = directive.prepare(directives, substream)
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	311 substream = self._prepare(substream)
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	312 if directives:
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	313 yield kind, (directives, list(substream)), pos
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	314 else:
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	315 for event in substream:
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	316 yield event
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	317 else:
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	318 yield kind, data, pos
94639584725a inline branch: Merged [430:434/trunk]. cmlenz parents: 350 diff changeset	319
339 d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	320 def compile(self):
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	321 """Compile the template to a Python module, and return the module
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	322 object.
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	323 """
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	324 from genshi.template.inline import inline
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	325
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	326 name = (self.filename or '_some_ident').replace('.', '_')
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	327 module = imp.new_module(name)
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	328 source = u'\n'.join(list(inline(self)))
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	329 code = compile(source, self.filepath or '<string>', 'exec')
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	330 exec code in module.__dict__, module.__dict__
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	331 return module
d98a77b6094e First code for the `inline` branch? only bits and pieces working right now. cmlenz parents: 336 diff changeset	332
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	333 def generate(self, args, *kwargs):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	334 """Apply the template to the given context data.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	335
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	336 Any keyword arguments are made available to the template as context
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	337 data.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	338
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	339 Only one positional argument is accepted: if it is provided, it must be
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	340 an instance of the `Context` class, and keyword arguments are ignored.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	341 This calling style is used for internal processing.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	342
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	343 @return: a markup event stream representing the result of applying
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	344 the template to the context data.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	345 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	346 if args:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	347 assert len(args) == 1
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	348 ctxt = args[0]
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	349 if ctxt is None:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	350 ctxt = Context(**kwargs)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	351 assert isinstance(ctxt, Context)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	352 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	353 ctxt = Context(**kwargs)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	354
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	355 stream = self.stream
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	356 for filter_ in self.filters:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	357 stream = filter_(iter(stream), ctxt)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	358 return Stream(stream)
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 def _eval(self, stream, ctxt):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	361 """Internal stream filter that evaluates any expressions in `START` and
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	362 `TEXT` events.
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	363 """
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	364 filters = (self._flatten, self._eval)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	365
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	366 for kind, data, pos in stream:
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 if kind is START and data[1]:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	369 # Attributes may still contain expressions in start tags at
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	370 # this point, so do some evaluation
347 ffa7dea6e8fd cspeedups branch: Merged [423:426/trunk]. cmlenz parents: 339 diff changeset	371 tag, attrs = data
ffa7dea6e8fd cspeedups branch: Merged [423:426/trunk]. cmlenz parents: 339 diff changeset	372 new_attrs = []
ffa7dea6e8fd cspeedups branch: Merged [423:426/trunk]. cmlenz parents: 339 diff changeset	373 for name, substream in attrs:
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	374 if isinstance(substream, basestring):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	375 value = substream
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	376 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	377 values = []
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	378 for subkind, subdata, subpos in self._eval(substream,
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	379 ctxt):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	380 if subkind is TEXT:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	381 values.append(subdata)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	382 value = [x for x in values if x is not None]
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	383 if not value:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	384 continue
347 ffa7dea6e8fd cspeedups branch: Merged [423:426/trunk]. cmlenz parents: 339 diff changeset	385 new_attrs.append((name, u''.join(value)))
ffa7dea6e8fd cspeedups branch: Merged [423:426/trunk]. cmlenz parents: 339 diff changeset	386 yield kind, (tag, Attrs(new_attrs)), pos
336 7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	387
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	388 elif kind is EXPR:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	389 result = data.evaluate(ctxt)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	390 if result is not None:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	391 # First check for a string, otherwise the iterable test below
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	392 # succeeds, and the string will be chopped up into individual
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	393 # characters
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	394 if isinstance(result, basestring):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	395 yield TEXT, result, pos
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	396 elif hasattr(result, '__iter__'):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	397 substream = _ensure(result)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	398 for filter_ in filters:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	399 substream = filter_(substream, ctxt)
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	400 for event in substream:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	401 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	402 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	403 yield TEXT, unicode(result), pos
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 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	406 yield kind, data, pos
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	407
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	408 def _flatten(self, stream, ctxt):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	409 """Internal stream filter that expands `SUB` events in the stream."""
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	410 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	411 if event[0] is SUB:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	412 # This event is a list of directives and a list of nested
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	413 # events to which those directives should be applied
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	414 directives, substream = event[1]
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	415 substream = _apply_directives(substream, ctxt, directives)
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 self._flatten(substream, ctxt):
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	417 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	418 else:
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	419 yield event
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	420
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	421
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	422 EXPR = Template.EXPR
7763f7aec949 Refactoring: `genshi.template` is now a package, it was getting way to crowded in that file. cmlenz parents: diff changeset	423 SUB = Template.SUB

Mercurial > genshi > mirror

annotate genshi/template/core.py @ 355:94639584725a experimental-inline