Mercurial > p > roundup > code

annotate roundup/cgi/TAL/DummyEngine.py @ 4117:4d1fa6e1fe8c 1.4.8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
release stuff
author Richard Jones <richard@users.sourceforge.net>
date Wed, 18 Mar 2009 03:39:58 +0000
parents 8c2402a78bb0
children 792586cc78a4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2348
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1 ##############################################################################
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
2 #
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
3 # Copyright (c) 2001, 2002 Zope Corporation and Contributors.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
4 # All Rights Reserved.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
5 #
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
6 # This software is subject to the provisions of the Zope Public License,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
7 # Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
8 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
9 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
10 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
11 # FOR A PARTICULAR PURPOSE.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
12 #
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
13 ##############################################################################
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
14 # Modifications for Roundup:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
15 # 1. commented out ITALES references
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
16 # 2. implemented ustr as str
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
17 """
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
18 Dummy TALES engine so that I can test out the TAL implementation.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
19 """
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
20
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
21 import re
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
22 import sys
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
23
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
24 from TALDefs import NAME_RE, TALESError, ErrorInfo
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
25 #from ITALES import ITALESCompiler, ITALESEngine
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
26 #from DocumentTemplate.DT_Util import ustr
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
27 ustr = str
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
28
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
29 IDomain = None
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
30 if sys.modules.has_key('Zope'):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
31 try:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
32 from Zope.I18n.ITranslationService import ITranslationService
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
33 from Zope.I18n.IDomain import IDomain
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
34 except ImportError:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
35 pass
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
36 if IDomain is None:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
37 # Before 2.7, or not in Zope
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
38 class ITranslationService: pass
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
39 class IDomain: pass
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
40
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
41 class _Default:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
42 pass
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
43 Default = _Default()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
44
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
45 name_match = re.compile(r"(?s)(%s):(.*)\Z" % NAME_RE).match
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
46
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
47 class CompilerError(Exception):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
48 pass
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
49
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
50 class DummyEngine:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
51
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
52 position = None
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
53 source_file = None
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
54
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
55 #__implements__ = ITALESCompiler, ITALESEngine
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
56
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
57 def __init__(self, macros=None):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
58 if macros is None:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
59 macros = {}
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
60 self.macros = macros
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
61 dict = {'nothing': None, 'default': Default}
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
62 self.locals = self.globals = dict
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
63 self.stack = [dict]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
64 self.translationService = DummyTranslationService()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
65
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
66 def getCompilerError(self):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
67 return CompilerError
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
68
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
69 def getCompiler(self):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
70 return self
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
71
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
72 def setSourceFile(self, source_file):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
73 self.source_file = source_file
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
74
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
75 def setPosition(self, position):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
76 self.position = position
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
77
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
78 def compile(self, expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
79 return "$%s$" % expr
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
80
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
81 def uncompile(self, expression):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
82 assert (expression.startswith("$") and expression.endswith("$"),
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
83 expression)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
84 return expression[1:-1]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
85
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
86 def beginScope(self):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
87 self.stack.append(self.locals)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
88
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
89 def endScope(self):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
90 assert len(self.stack) > 1, "more endScope() than beginScope() calls"
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
91 self.locals = self.stack.pop()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
92
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
93 def setLocal(self, name, value):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
94 if self.locals is self.stack[-1]:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
95 # Unmerge this scope's locals from previous scope of first set
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
96 self.locals = self.locals.copy()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
97 self.locals[name] = value
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
98
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
99 def setGlobal(self, name, value):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
100 self.globals[name] = value
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
101
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
102 def evaluate(self, expression):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
103 assert (expression.startswith("$") and expression.endswith("$"),
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
104 expression)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
105 expression = expression[1:-1]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
106 m = name_match(expression)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
107 if m:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
108 type, expr = m.group(1, 2)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
109 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
110 type = "path"
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
111 expr = expression
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
112 if type in ("string", "str"):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
113 return expr
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
114 if type in ("path", "var", "global", "local"):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
115 return self.evaluatePathOrVar(expr)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
116 if type == "not":
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
117 return not self.evaluate(expr)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
118 if type == "exists":
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
119 return self.locals.has_key(expr) or self.globals.has_key(expr)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
120 if type == "python":
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
121 try:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
122 return eval(expr, self.globals, self.locals)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
123 except:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
124 raise TALESError("evaluation error in %s" % `expr`)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
125 if type == "position":
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
126 # Insert the current source file name, line number,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
127 # and column offset.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
128 if self.position:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
129 lineno, offset = self.position
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
130 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
131 lineno, offset = None, None
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
132 return '%s (%s,%s)' % (self.source_file, lineno, offset)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
133 raise TALESError("unrecognized expression: " + `expression`)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
134
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
135 def evaluatePathOrVar(self, expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
136 expr = expr.strip()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
137 if self.locals.has_key(expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
138 return self.locals[expr]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
139 elif self.globals.has_key(expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
140 return self.globals[expr]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
141 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
142 raise TALESError("unknown variable: %s" % `expr`)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
143
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
144 def evaluateValue(self, expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
145 return self.evaluate(expr)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
146
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
147 def evaluateBoolean(self, expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
148 return self.evaluate(expr)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
149
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
150 def evaluateText(self, expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
151 text = self.evaluate(expr)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
152 if text is not None and text is not Default:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
153 text = ustr(text)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
154 return text
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
155
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
156 def evaluateStructure(self, expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
157 # XXX Should return None or a DOM tree
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
158 return self.evaluate(expr)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
159
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
160 def evaluateSequence(self, expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
161 # XXX Should return a sequence
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
162 return self.evaluate(expr)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
163
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
164 def evaluateMacro(self, macroName):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
165 assert (macroName.startswith("$") and macroName.endswith("$"),
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
166 macroName)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
167 macroName = macroName[1:-1]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
168 file, localName = self.findMacroFile(macroName)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
169 if not file:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
170 # Local macro
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
171 macro = self.macros[localName]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
172 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
173 # External macro
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
174 import driver
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
175 program, macros = driver.compilefile(file)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
176 macro = macros.get(localName)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
177 if not macro:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
178 raise TALESError("macro %s not found in file %s" %
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
179 (localName, file))
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
180 return macro
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
181
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
182 def findMacroDocument(self, macroName):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
183 file, localName = self.findMacroFile(macroName)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
184 if not file:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
185 return file, localName
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
186 import driver
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
187 doc = driver.parsefile(file)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
188 return doc, localName
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
189
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
190 def findMacroFile(self, macroName):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
191 if not macroName:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
192 raise TALESError("empty macro name")
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
193 i = macroName.rfind('/')
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
194 if i < 0:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
195 # No slash -- must be a locally defined macro
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
196 return None, macroName
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
197 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
198 # Up to last slash is the filename
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
199 fileName = macroName[:i]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
200 localName = macroName[i+1:]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
201 return fileName, localName
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
202
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
203 def setRepeat(self, name, expr):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
204 seq = self.evaluateSequence(expr)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
205 return Iterator(name, seq, self)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
206
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
207 def createErrorInfo(self, err, position):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
208 return ErrorInfo(err, position)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
209
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
210 def getDefault(self):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
211 return Default
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
212
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
213 def translate(self, domain, msgid, mapping, default=None):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
214 return self.translationService.translate(domain, msgid, mapping,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
215 default=default)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
216
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
217
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
218 class Iterator:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
219
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
220 # This is not an implementation of a Python iterator. The next()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
221 # method returns true or false to indicate whether another item is
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
222 # available; if there is another item, the iterator instance calls
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
223 # setLocal() on the evaluation engine passed to the constructor.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
224
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
225 def __init__(self, name, seq, engine):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
226 self.name = name
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
227 self.seq = seq
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
228 self.engine = engine
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
229 self.nextIndex = 0
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
230
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
231 def next(self):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
232 i = self.nextIndex
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
233 try:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
234 item = self.seq[i]
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
235 except IndexError:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
236 return 0
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
237 self.nextIndex = i+1
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
238 self.engine.setLocal(self.name, item)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
239 return 1
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
240
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
241 class DummyDomain:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
242 __implements__ = IDomain
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
243
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
244 def translate(self, msgid, mapping=None, context=None,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
245 target_language=None, default=None):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
246 # This is a fake translation service which simply uppercases non
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
247 # ${name} placeholder text in the message id.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
248 #
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
249 # First, transform a string with ${name} placeholders into a list of
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
250 # substrings. Then upcase everything but the placeholders, then glue
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
251 # things back together.
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
252
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
253 # simulate an unknown msgid by returning None
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
254 if msgid == "don't translate me":
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
255 text = default
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
256 else:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
257 text = msgid.upper()
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
258
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
259 def repl(m, mapping=mapping):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
260 return ustr(mapping[m.group(m.lastindex).lower()])
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
261 cre = re.compile(r'\$(?:(%s)|\{(%s)\})' % (NAME_RE, NAME_RE))
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
262 return cre.sub(repl, text)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
263
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
264 class DummyTranslationService:
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
265 __implements__ = ITranslationService
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
266
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
267 def translate(self, domain, msgid, mapping=None, context=None,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
268 target_language=None, default=None):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
269 return self.getDomain(domain).translate(msgid, mapping, context,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
270 target_language,
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
271 default=default)
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
272
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
273 def getDomain(self, domain):
8c2402a78bb0 beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
274 return DummyDomain()
Roundup Issue Tracker: http://roundup-tracker.org/