Mercurial > p > roundup > code
annotate roundup/cgi/TAL/TALGenerator.py @ 5814:bd6d41f21a5a
More extensive EditCSV testing.
Uses test object to cover all types defined by database.
Also check for an error with a row that's too short.
CSV starts with blank line to verify that it recognises header line.
Changes password, date, int, link and other fields.
Deletes row and verified that it is retired.
Make actions.py properly handle emptying of password field.
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Fri, 14 Jun 2019 21:26:19 -0400 |
| parents | 936275dfe1fa |
| children | 883c9e90b403 |
| rev | line source |
|---|---|
| 1049 | 1 ############################################################################## |
| 2 # | |
| 3 # Copyright (c) 2001, 2002 Zope Corporation and Contributors. | |
| 4 # All Rights Reserved. | |
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5 # |
| 1049 | 6 # This software is subject to the provisions of the Zope Public License, |
| 7 # Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution. | |
| 8 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED | |
| 9 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 10 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS | |
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11 # FOR A PARTICULAR PURPOSE. |
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12 # |
| 1049 | 13 ############################################################################## |
| 14 """ | |
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15 Code generator for TALInterpreter intermediate code. |
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16 """ |
| 1049 | 17 |
| 18 import re | |
| 19 import cgi | |
| 20 | |
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21 from . import TALDefs |
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22 |
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23 from .TALDefs import NAME_RE, TAL_VERSION |
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24 from .TALDefs import I18NError, METALError, TALError |
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25 from .TALDefs import parseSubstitution |
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26 from .TranslationContext import TranslationContext, DEFAULT_DOMAIN |
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27 |
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28 try: |
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29 from html import escape as html_escape # python 3 |
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30 except ImportError: |
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31 from cgi import escape as html_escape # python 2 fallback |
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32 |
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33 I18N_REPLACE = 1 |
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34 I18N_CONTENT = 2 |
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35 I18N_EXPRESSION = 3 |
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36 |
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37 _name_rx = re.compile(NAME_RE) |
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38 |
| 1049 | 39 |
| 40 class TALGenerator: | |
| 41 | |
| 42 inMacroUse = 0 | |
| 43 inMacroDef = 0 | |
| 44 source_file = None | |
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45 |
| 1049 | 46 def __init__(self, expressionCompiler=None, xml=1, source_file=None): |
| 47 if not expressionCompiler: | |
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48 from .DummyEngine import DummyEngine |
| 1049 | 49 expressionCompiler = DummyEngine() |
| 50 self.expressionCompiler = expressionCompiler | |
| 51 self.CompilerError = expressionCompiler.getCompilerError() | |
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52 # This holds the emitted opcodes representing the input |
| 1049 | 53 self.program = [] |
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54 # The program stack for when we need to do some sub-evaluation for an |
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55 # intermediate result. E.g. in an i18n:name tag for which the |
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56 # contents describe the ${name} value. |
| 1049 | 57 self.stack = [] |
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58 # Another stack of postponed actions. Elements on this stack are a |
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59 # dictionary; key/values contain useful information that |
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60 # emitEndElement needs to finish its calculations |
| 1049 | 61 self.todoStack = [] |
| 62 self.macros = {} | |
| 63 self.slots = {} | |
| 64 self.slotStack = [] | |
| 65 self.xml = xml | |
| 66 self.emit("version", TAL_VERSION) | |
| 67 self.emit("mode", xml and "xml" or "html") | |
| 68 if source_file is not None: | |
| 69 self.source_file = source_file | |
| 70 self.emit("setSourceFile", source_file) | |
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71 self.i18nContext = TranslationContext() |
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72 self.i18nLevel = 0 |
| 1049 | 73 |
| 74 def getCode(self): | |
| 75 assert not self.stack | |
| 76 assert not self.todoStack | |
| 77 return self.optimize(self.program), self.macros | |
| 78 | |
| 79 def optimize(self, program): | |
| 80 output = [] | |
| 81 collect = [] | |
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82 cursor = 0 |
| 1049 | 83 if self.xml: |
| 84 endsep = "/>" | |
| 85 else: | |
| 86 endsep = " />" | |
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87 for cursor in range(len(program)+1): |
| 1049 | 88 try: |
| 89 item = program[cursor] | |
| 90 except IndexError: | |
| 91 item = (None, None) | |
| 92 opcode = item[0] | |
| 93 if opcode == "rawtext": | |
| 94 collect.append(item[1]) | |
| 95 continue | |
| 96 if opcode == "endTag": | |
| 97 collect.append("</%s>" % item[1]) | |
| 98 continue | |
| 99 if opcode == "startTag": | |
| 100 if self.optimizeStartTag(collect, item[1], item[2], ">"): | |
| 101 continue | |
| 102 if opcode == "startEndTag": | |
| 103 if self.optimizeStartTag(collect, item[1], item[2], endsep): | |
| 104 continue | |
| 105 if opcode in ("beginScope", "endScope"): | |
| 106 # Push *Scope instructions in front of any text instructions; | |
| 107 # this allows text instructions separated only by *Scope | |
| 108 # instructions to be joined together. | |
| 109 output.append(self.optimizeArgsList(item)) | |
| 110 continue | |
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111 if opcode == 'noop': |
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112 # This is a spacer for end tags in the face of i18n:name |
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113 # attributes. We can't let the optimizer collect immediately |
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114 # following end tags into the same rawtextOffset. |
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115 opcode = None |
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116 pass |
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117 text = "".join(collect) |
| 1049 | 118 if text: |
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119 i = text.rfind("\n") |
| 1049 | 120 if i >= 0: |
| 121 i = len(text) - (i + 1) | |
| 122 output.append(("rawtextColumn", (text, i))) | |
| 123 else: | |
| 124 output.append(("rawtextOffset", (text, len(text)))) | |
| 125 if opcode != None: | |
| 126 output.append(self.optimizeArgsList(item)) | |
| 127 collect = [] | |
| 128 return self.optimizeCommonTriple(output) | |
| 129 | |
| 130 def optimizeArgsList(self, item): | |
| 131 if len(item) == 2: | |
| 132 return item | |
| 133 else: | |
| 134 return item[0], tuple(item[1:]) | |
| 135 | |
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136 # These codes are used to indicate what sort of special actions |
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137 # are needed for each special attribute. (Simple attributes don't |
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138 # get action codes.) |
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139 # |
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140 # The special actions (which are modal) are handled by |
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141 # TALInterpreter.attrAction() and .attrAction_tal(). |
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142 # |
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143 # Each attribute is represented by a tuple: |
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144 # |
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145 # (name, value) -- a simple name/value pair, with |
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146 # no special processing |
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147 # |
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148 # (name, value, action, *extra) -- attribute with special |
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149 # processing needs, action is a |
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150 # code that indicates which |
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151 # branch to take, and *extra |
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152 # contains additional, |
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153 # action-specific information |
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154 # needed by the processing |
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155 # |
| 1049 | 156 def optimizeStartTag(self, collect, name, attrlist, end): |
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157 # return true if the tag can be converted to plain text |
| 1049 | 158 if not attrlist: |
| 159 collect.append("<%s%s" % (name, end)) | |
| 160 return 1 | |
| 161 opt = 1 | |
| 162 new = ["<" + name] | |
| 163 for i in range(len(attrlist)): | |
| 164 item = attrlist[i] | |
| 165 if len(item) > 2: | |
| 166 opt = 0 | |
| 167 name, value, action = item[:3] | |
| 168 attrlist[i] = (name, value, action) + item[3:] | |
| 169 else: | |
| 170 if item[1] is None: | |
| 171 s = item[0] | |
| 172 else: | |
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173 s = '%s="%s"' % (item[0], TALDefs.attrEscape(item[1])) |
| 1049 | 174 attrlist[i] = item[0], s |
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175 new.append(" " + s) |
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176 # if no non-optimizable attributes were found, convert to plain text |
| 1049 | 177 if opt: |
| 178 new.append(end) | |
| 179 collect.extend(new) | |
| 180 return opt | |
| 181 | |
| 182 def optimizeCommonTriple(self, program): | |
| 183 if len(program) < 3: | |
| 184 return program | |
| 185 output = program[:2] | |
| 186 prev2, prev1 = output | |
| 187 for item in program[2:]: | |
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188 if ( item[0] == "beginScope" |
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189 and prev1[0] == "setPosition" |
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190 and prev2[0] == "rawtextColumn"): |
| 1049 | 191 position = output.pop()[1] |
| 192 text, column = output.pop()[1] | |
| 193 prev1 = None, None | |
| 194 closeprev = 0 | |
| 195 if output and output[-1][0] == "endScope": | |
| 196 closeprev = 1 | |
| 197 output.pop() | |
| 198 item = ("rawtextBeginScope", | |
| 199 (text, column, position, closeprev, item[1])) | |
| 200 output.append(item) | |
| 201 prev2 = prev1 | |
| 202 prev1 = item | |
| 203 return output | |
| 204 | |
| 205 def todoPush(self, todo): | |
| 206 self.todoStack.append(todo) | |
| 207 | |
| 208 def todoPop(self): | |
| 209 return self.todoStack.pop() | |
| 210 | |
| 211 def compileExpression(self, expr): | |
| 212 try: | |
| 213 return self.expressionCompiler.compile(expr) | |
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214 except self.CompilerError as err: |
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215 raise TALError('%s in expression %s' % (err.args[0], repr(expr)), |
| 1049 | 216 self.position) |
| 217 | |
| 218 def pushProgram(self): | |
| 219 self.stack.append(self.program) | |
| 220 self.program = [] | |
| 221 | |
| 222 def popProgram(self): | |
| 223 program = self.program | |
| 224 self.program = self.stack.pop() | |
| 225 return self.optimize(program) | |
| 226 | |
| 227 def pushSlots(self): | |
| 228 self.slotStack.append(self.slots) | |
| 229 self.slots = {} | |
| 230 | |
| 231 def popSlots(self): | |
| 232 slots = self.slots | |
| 233 self.slots = self.slotStack.pop() | |
| 234 return slots | |
| 235 | |
| 236 def emit(self, *instruction): | |
| 237 self.program.append(instruction) | |
| 238 | |
| 239 def emitStartTag(self, name, attrlist, isend=0): | |
| 240 if isend: | |
| 241 opcode = "startEndTag" | |
| 242 else: | |
| 243 opcode = "startTag" | |
| 244 self.emit(opcode, name, attrlist) | |
| 245 | |
| 246 def emitEndTag(self, name): | |
| 247 if self.xml and self.program and self.program[-1][0] == "startTag": | |
| 248 # Minimize empty element | |
| 249 self.program[-1] = ("startEndTag",) + self.program[-1][1:] | |
| 250 else: | |
| 251 self.emit("endTag", name) | |
| 252 | |
| 253 def emitOptTag(self, name, optTag, isend): | |
| 254 program = self.popProgram() #block | |
| 255 start = self.popProgram() #start tag | |
| 256 if (isend or not program) and self.xml: | |
| 257 # Minimize empty element | |
| 258 start[-1] = ("startEndTag",) + start[-1][1:] | |
| 259 isend = 1 | |
| 260 cexpr = optTag[0] | |
| 261 if cexpr: | |
| 262 cexpr = self.compileExpression(optTag[0]) | |
| 263 self.emit("optTag", name, cexpr, optTag[1], isend, start, program) | |
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264 |
| 1049 | 265 def emitRawText(self, text): |
| 266 self.emit("rawtext", text) | |
| 267 | |
| 268 def emitText(self, text): | |
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269 self.emitRawText(html_escape(text)) |
| 1049 | 270 |
| 271 def emitDefines(self, defines): | |
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272 for part in TALDefs.splitParts(defines): |
| 1049 | 273 m = re.match( |
| 274 r"(?s)\s*(?:(global|local)\s+)?(%s)\s+(.*)\Z" % NAME_RE, part) | |
| 275 if not m: | |
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276 raise TALError("invalid define syntax: " + repr(part), |
| 1049 | 277 self.position) |
| 278 scope, name, expr = m.group(1, 2, 3) | |
| 279 scope = scope or "local" | |
| 280 cexpr = self.compileExpression(expr) | |
| 281 if scope == "local": | |
| 282 self.emit("setLocal", name, cexpr) | |
| 283 else: | |
| 284 self.emit("setGlobal", name, cexpr) | |
| 285 | |
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286 def emitOnError(self, name, onError, TALtag, isend): |
| 1049 | 287 block = self.popProgram() |
| 288 key, expr = parseSubstitution(onError) | |
| 289 cexpr = self.compileExpression(expr) | |
| 290 if key == "text": | |
| 291 self.emit("insertText", cexpr, []) | |
| 292 else: | |
| 293 assert key == "structure" | |
| 294 self.emit("insertStructure", cexpr, {}, []) | |
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295 if TALtag: |
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296 self.emitOptTag(name, (None, 1), isend) |
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297 else: |
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298 self.emitEndTag(name) |
| 1049 | 299 handler = self.popProgram() |
| 300 self.emit("onError", block, handler) | |
| 301 | |
| 302 def emitCondition(self, expr): | |
| 303 cexpr = self.compileExpression(expr) | |
| 304 program = self.popProgram() | |
| 305 self.emit("condition", cexpr, program) | |
| 306 | |
| 307 def emitRepeat(self, arg): | |
| 5809 | 308 m = re.match(r"(?s)\s*(%s)\s+(.*)\Z" % NAME_RE, arg) |
| 1049 | 309 if not m: |
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310 raise TALError("invalid repeat syntax: " + repr(arg), |
| 1049 | 311 self.position) |
| 312 name, expr = m.group(1, 2) | |
| 313 cexpr = self.compileExpression(expr) | |
| 314 program = self.popProgram() | |
| 315 self.emit("loop", name, cexpr, program) | |
| 316 | |
| 317 def emitSubstitution(self, arg, attrDict={}): | |
| 318 key, expr = parseSubstitution(arg) | |
| 319 cexpr = self.compileExpression(expr) | |
| 320 program = self.popProgram() | |
| 321 if key == "text": | |
| 322 self.emit("insertText", cexpr, program) | |
| 323 else: | |
| 324 assert key == "structure" | |
| 325 self.emit("insertStructure", cexpr, attrDict, program) | |
| 326 | |
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327 def emitI18nVariable(self, stuff): |
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328 # Used for i18n:name attributes. arg is extra information describing |
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329 # how the contents of the variable should get filled in, and it will |
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330 # either be a 1-tuple or a 2-tuple. If arg[0] is None, then the |
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331 # i18n:name value is taken implicitly from the contents of the tag, |
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332 # e.g. "I live in <span i18n:name="country">the USA</span>". In this |
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333 # case, arg[1] is the opcode sub-program describing the contents of |
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334 # the tag. |
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335 # |
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336 # When arg[0] is not None, it contains the tal expression used to |
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337 # calculate the contents of the variable, e.g. |
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338 # "I live in <span i18n:name="country" |
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339 # tal:replace="here/countryOfOrigin" />" |
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340 varname, action, expression = stuff |
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341 m = _name_rx.match(varname) |
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342 if m is None or m.group() != varname: |
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343 raise TALError("illegal i18n:name: %r" % varname, self.position) |
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344 key = cexpr = None |
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345 program = self.popProgram() |
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346 if action == I18N_REPLACE: |
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347 # This is a tag with an i18n:name and a tal:replace (implicit or |
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348 # explicit). Get rid of the first and last elements of the |
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349 # program, which are the start and end tag opcodes of the tag. |
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350 program = program[1:-1] |
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351 elif action == I18N_CONTENT: |
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352 # This is a tag with an i18n:name and a tal:content |
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353 # (explicit-only). Keep the first and last elements of the |
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354 # program, so we keep the start and end tag output. |
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355 pass |
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356 else: |
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357 assert action == I18N_EXPRESSION |
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358 key, expr = parseSubstitution(expression) |
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359 cexpr = self.compileExpression(expr) |
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360 # XXX Would key be anything but 'text' or None? |
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361 assert key in ('text', None) |
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362 self.emit('i18nVariable', varname, program, cexpr) |
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363 |
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364 def emitTranslation(self, msgid, i18ndata): |
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365 program = self.popProgram() |
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366 if i18ndata is None: |
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367 self.emit('insertTranslation', msgid, program) |
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368 else: |
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369 key, expr = parseSubstitution(i18ndata) |
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370 cexpr = self.compileExpression(expr) |
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371 assert key == 'text' |
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372 self.emit('insertTranslation', msgid, program, cexpr) |
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373 |
| 1049 | 374 def emitDefineMacro(self, macroName): |
| 375 program = self.popProgram() | |
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376 macroName = macroName.strip() |
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377 if macroName in self.macros: |
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378 raise METALError("duplicate macro definition: %s" % repr(macroName), |
| 1049 | 379 self.position) |
| 380 if not re.match('%s$' % NAME_RE, macroName): | |
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381 raise METALError("invalid macro name: %s" % repr(macroName), |
| 1049 | 382 self.position) |
| 383 self.macros[macroName] = program | |
| 384 self.inMacroDef = self.inMacroDef - 1 | |
| 385 self.emit("defineMacro", macroName, program) | |
| 386 | |
| 387 def emitUseMacro(self, expr): | |
| 388 cexpr = self.compileExpression(expr) | |
| 389 program = self.popProgram() | |
| 390 self.inMacroUse = 0 | |
| 391 self.emit("useMacro", expr, cexpr, self.popSlots(), program) | |
| 392 | |
| 393 def emitDefineSlot(self, slotName): | |
| 394 program = self.popProgram() | |
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395 slotName = slotName.strip() |
| 1049 | 396 if not re.match('%s$' % NAME_RE, slotName): |
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397 raise METALError("invalid slot name: %s" % repr(slotName), |
| 1049 | 398 self.position) |
| 399 self.emit("defineSlot", slotName, program) | |
| 400 | |
| 401 def emitFillSlot(self, slotName): | |
| 402 program = self.popProgram() | |
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403 slotName = slotName.strip() |
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404 if slotName in self.slots: |
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405 raise METALError("duplicate fill-slot name: %s" % repr(slotName), |
| 1049 | 406 self.position) |
| 407 if not re.match('%s$' % NAME_RE, slotName): | |
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408 raise METALError("invalid slot name: %s" % repr(slotName), |
| 1049 | 409 self.position) |
| 410 self.slots[slotName] = program | |
| 411 self.inMacroUse = 1 | |
| 412 self.emit("fillSlot", slotName, program) | |
| 413 | |
| 414 def unEmitWhitespace(self): | |
| 415 collect = [] | |
| 416 i = len(self.program) - 1 | |
| 417 while i >= 0: | |
| 418 item = self.program[i] | |
| 419 if item[0] != "rawtext": | |
| 420 break | |
| 421 text = item[1] | |
| 422 if not re.match(r"\A\s*\Z", text): | |
| 423 break | |
| 424 collect.append(text) | |
| 425 i = i-1 | |
| 426 del self.program[i+1:] | |
| 427 if i >= 0 and self.program[i][0] == "rawtext": | |
| 428 text = self.program[i][1] | |
| 429 m = re.search(r"\s+\Z", text) | |
| 430 if m: | |
| 431 self.program[i] = ("rawtext", text[:m.start()]) | |
| 432 collect.append(m.group()) | |
| 433 collect.reverse() | |
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434 return "".join(collect) |
| 1049 | 435 |
| 436 def unEmitNewlineWhitespace(self): | |
| 437 collect = [] | |
| 438 i = len(self.program) | |
| 439 while i > 0: | |
| 440 i = i-1 | |
| 441 item = self.program[i] | |
| 442 if item[0] != "rawtext": | |
| 443 break | |
| 444 text = item[1] | |
| 445 if re.match(r"\A[ \t]*\Z", text): | |
| 446 collect.append(text) | |
| 447 continue | |
| 448 m = re.match(r"(?s)^(.*)(\n[ \t]*)\Z", text) | |
| 449 if not m: | |
| 450 break | |
| 451 text, rest = m.group(1, 2) | |
| 452 collect.reverse() | |
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453 rest = rest + "".join(collect) |
| 1049 | 454 del self.program[i:] |
| 455 if text: | |
| 456 self.emit("rawtext", text) | |
| 457 return rest | |
| 458 return None | |
| 459 | |
| 460 def replaceAttrs(self, attrlist, repldict): | |
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461 # Each entry in attrlist starts like (name, value). |
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462 # Result is (name, value, action, expr, xlat) if there is a |
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463 # tal:attributes entry for that attribute. Additional attrs |
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464 # defined only by tal:attributes are added here. |
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465 # |
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466 # (name, value, action, expr, xlat) |
| 1049 | 467 if not repldict: |
| 468 return attrlist | |
| 469 newlist = [] | |
| 470 for item in attrlist: | |
| 471 key = item[0] | |
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472 if key in repldict: |
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473 expr, xlat, msgid = repldict[key] |
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474 item = item[:2] + ("replace", expr, xlat, msgid) |
| 1049 | 475 del repldict[key] |
| 476 newlist.append(item) | |
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477 # Add dynamic-only attributes |
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478 for key, (expr, xlat, msgid) in repldict.items(): |
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479 newlist.append((key, None, "insert", expr, xlat, msgid)) |
| 1049 | 480 return newlist |
| 481 | |
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482 def emitStartElement(self, name, attrlist, taldict, metaldict, i18ndict, |
| 1049 | 483 position=(None, None), isend=0): |
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484 if not taldict and not metaldict and not i18ndict: |
| 1049 | 485 # Handle the simple, common case |
| 486 self.emitStartTag(name, attrlist, isend) | |
| 487 self.todoPush({}) | |
| 488 if isend: | |
| 489 self.emitEndElement(name, isend) | |
| 490 return | |
| 491 | |
| 492 self.position = position | |
| 493 for key, value in taldict.items(): | |
|
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494 if key not in TALDefs.KNOWN_TAL_ATTRIBUTES: |
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495 raise TALError("bad TAL attribute: " + repr(key), position) |
| 1049 | 496 if not (value or key == 'omit-tag'): |
| 497 raise TALError("missing value for TAL attribute: " + | |
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498 repr(key), position) |
| 1049 | 499 for key, value in metaldict.items(): |
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500 if key not in TALDefs.KNOWN_METAL_ATTRIBUTES: |
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501 raise METALError("bad METAL attribute: " + repr(key), |
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502 position) |
| 1049 | 503 if not value: |
| 504 raise TALError("missing value for METAL attribute: " + | |
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505 repr(key), position) |
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506 for key, value in i18ndict.items(): |
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507 if key not in TALDefs.KNOWN_I18N_ATTRIBUTES: |
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508 raise I18NError("bad i18n attribute: " + repr(key), position) |
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509 if not value and key in ("attributes", "data", "id"): |
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510 raise I18NError("missing value for i18n attribute: " + |
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511 repr(key), position) |
| 1049 | 512 todo = {} |
| 513 defineMacro = metaldict.get("define-macro") | |
| 514 useMacro = metaldict.get("use-macro") | |
| 515 defineSlot = metaldict.get("define-slot") | |
| 516 fillSlot = metaldict.get("fill-slot") | |
| 517 define = taldict.get("define") | |
| 518 condition = taldict.get("condition") | |
| 519 repeat = taldict.get("repeat") | |
| 520 content = taldict.get("content") | |
| 521 replace = taldict.get("replace") | |
| 522 attrsubst = taldict.get("attributes") | |
| 523 onError = taldict.get("on-error") | |
| 524 omitTag = taldict.get("omit-tag") | |
| 525 TALtag = taldict.get("tal tag") | |
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526 i18nattrs = i18ndict.get("attributes") |
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527 # Preserve empty string if implicit msgids are used. We'll generate |
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528 # code with the msgid='' and calculate the right implicit msgid during |
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529 # interpretation phase. |
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530 msgid = i18ndict.get("translate") |
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531 varname = i18ndict.get('name') |
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532 i18ndata = i18ndict.get('data') |
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533 |
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534 if varname and not self.i18nLevel: |
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535 raise I18NError( |
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536 "i18n:name can only occur inside a translation unit", |
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537 position) |
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538 |
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539 if i18ndata and not msgid: |
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540 raise I18NError("i18n:data must be accompanied by i18n:translate", |
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541 position) |
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542 |
| 1049 | 543 if len(metaldict) > 1 and (defineMacro or useMacro): |
| 544 raise METALError("define-macro and use-macro cannot be used " | |
| 545 "together or with define-slot or fill-slot", | |
| 546 position) | |
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547 if replace: |
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548 if content: |
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549 raise TALError( |
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550 "tal:content and tal:replace are mutually exclusive", |
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551 position) |
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552 if msgid is not None: |
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553 raise I18NError( |
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554 "i18n:translate and tal:replace are mutually exclusive", |
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555 position) |
| 1049 | 556 |
| 557 repeatWhitespace = None | |
| 558 if repeat: | |
| 559 # Hack to include preceding whitespace in the loop program | |
| 560 repeatWhitespace = self.unEmitNewlineWhitespace() | |
| 561 if position != (None, None): | |
| 562 # XXX at some point we should insist on a non-trivial position | |
| 563 self.emit("setPosition", position) | |
| 564 if self.inMacroUse: | |
| 565 if fillSlot: | |
| 566 self.pushProgram() | |
| 567 if self.source_file is not None: | |
| 568 self.emit("setSourceFile", self.source_file) | |
| 569 todo["fillSlot"] = fillSlot | |
| 570 self.inMacroUse = 0 | |
| 571 else: | |
| 572 if fillSlot: | |
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573 raise METALError("fill-slot must be within a use-macro", |
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574 position) |
| 1049 | 575 if not self.inMacroUse: |
| 576 if defineMacro: | |
| 577 self.pushProgram() | |
| 578 self.emit("version", TAL_VERSION) | |
| 579 self.emit("mode", self.xml and "xml" or "html") | |
| 580 if self.source_file is not None: | |
| 581 self.emit("setSourceFile", self.source_file) | |
| 582 todo["defineMacro"] = defineMacro | |
| 583 self.inMacroDef = self.inMacroDef + 1 | |
| 584 if useMacro: | |
| 585 self.pushSlots() | |
| 586 self.pushProgram() | |
| 587 todo["useMacro"] = useMacro | |
| 588 self.inMacroUse = 1 | |
| 589 if defineSlot: | |
| 590 if not self.inMacroDef: | |
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591 raise METALError( |
| 1049 | 592 "define-slot must be within a define-macro", |
| 593 position) | |
| 594 self.pushProgram() | |
| 595 todo["defineSlot"] = defineSlot | |
| 596 | |
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597 if defineSlot or i18ndict: |
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598 |
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599 domain = i18ndict.get("domain") or self.i18nContext.domain |
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600 source = i18ndict.get("source") or self.i18nContext.source |
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601 target = i18ndict.get("target") or self.i18nContext.target |
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602 if ( domain != DEFAULT_DOMAIN |
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603 or source is not None |
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604 or target is not None): |
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605 self.i18nContext = TranslationContext(self.i18nContext, |
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606 domain=domain, |
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607 source=source, |
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608 target=target) |
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609 self.emit("beginI18nContext", |
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610 {"domain": domain, "source": source, |
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611 "target": target}) |
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612 todo["i18ncontext"] = 1 |
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613 if taldict or i18ndict: |
| 1049 | 614 dict = {} |
| 615 for item in attrlist: | |
| 616 key, value = item[:2] | |
| 617 dict[key] = value | |
| 618 self.emit("beginScope", dict) | |
| 619 todo["scope"] = 1 | |
| 620 if onError: | |
| 621 self.pushProgram() # handler | |
|
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622 if TALtag: |
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623 self.pushProgram() # start |
| 1049 | 624 self.emitStartTag(name, list(attrlist)) # Must copy attrlist! |
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625 if TALtag: |
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626 self.pushProgram() # start |
| 1049 | 627 self.pushProgram() # block |
| 628 todo["onError"] = onError | |
| 629 if define: | |
| 630 self.emitDefines(define) | |
| 631 todo["define"] = define | |
| 632 if condition: | |
| 633 self.pushProgram() | |
| 634 todo["condition"] = condition | |
| 635 if repeat: | |
| 636 todo["repeat"] = repeat | |
| 637 self.pushProgram() | |
| 638 if repeatWhitespace: | |
| 639 self.emitText(repeatWhitespace) | |
| 640 if content: | |
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641 if varname: |
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642 todo['i18nvar'] = (varname, I18N_CONTENT, None) |
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643 todo["content"] = content |
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644 self.pushProgram() |
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645 else: |
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646 todo["content"] = content |
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647 elif replace: |
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648 # tal:replace w/ i18n:name has slightly different semantics. What |
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649 # we're actually replacing then is the contents of the ${name} |
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650 # placeholder. |
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651 if varname: |
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652 todo['i18nvar'] = (varname, I18N_EXPRESSION, replace) |
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653 else: |
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654 todo["replace"] = replace |
| 1049 | 655 self.pushProgram() |
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656 # i18n:name w/o tal:replace uses the content as the interpolation |
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657 # dictionary values |
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658 elif varname: |
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659 todo['i18nvar'] = (varname, I18N_REPLACE, None) |
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660 self.pushProgram() |
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661 if msgid is not None: |
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662 self.i18nLevel += 1 |
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663 todo['msgid'] = msgid |
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664 if i18ndata: |
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665 todo['i18ndata'] = i18ndata |
| 1049 | 666 optTag = omitTag is not None or TALtag |
| 667 if optTag: | |
| 668 todo["optional tag"] = omitTag, TALtag | |
| 669 self.pushProgram() | |
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670 if attrsubst or i18nattrs: |
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671 if attrsubst: |
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672 repldict = TALDefs.parseAttributeReplacements(attrsubst, |
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673 self.xml) |
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674 else: |
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675 repldict = {} |
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676 if i18nattrs: |
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677 i18nattrs = _parseI18nAttributes(i18nattrs, attrlist, repldict, |
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678 self.position, self.xml, |
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679 self.source_file) |
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680 else: |
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681 i18nattrs = {} |
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682 # Convert repldict's name-->expr mapping to a |
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683 # name-->(compiled_expr, translate) mapping |
| 1049 | 684 for key, value in repldict.items(): |
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685 if i18nattrs.get(key, None): |
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686 raise I18NError( |
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687 ("attribute [%s] cannot both be part of tal:attributes" + |
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688 " and have a msgid in i18n:attributes") % key, |
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689 position) |
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690 ce = self.compileExpression(value) |
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691 repldict[key] = ce, key in i18nattrs, i18nattrs.get(key) |
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692 for key in i18nattrs: |
|
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693 if key not in repldict: |
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694 repldict[key] = None, 1, i18nattrs.get(key) |
| 1049 | 695 else: |
| 696 repldict = {} | |
| 697 if replace: | |
| 698 todo["repldict"] = repldict | |
| 699 repldict = {} | |
| 700 self.emitStartTag(name, self.replaceAttrs(attrlist, repldict), isend) | |
| 701 if optTag: | |
| 702 self.pushProgram() | |
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703 if content and not varname: |
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704 self.pushProgram() |
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705 if msgid is not None: |
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706 self.pushProgram() |
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707 if content and varname: |
| 1049 | 708 self.pushProgram() |
| 709 if todo and position != (None, None): | |
| 710 todo["position"] = position | |
| 711 self.todoPush(todo) | |
| 712 if isend: | |
| 713 self.emitEndElement(name, isend) | |
| 714 | |
| 715 def emitEndElement(self, name, isend=0, implied=0): | |
| 716 todo = self.todoPop() | |
| 717 if not todo: | |
| 718 # Shortcut | |
| 719 if not isend: | |
| 720 self.emitEndTag(name) | |
| 721 return | |
| 722 | |
| 723 self.position = position = todo.get("position", (None, None)) | |
| 724 defineMacro = todo.get("defineMacro") | |
| 725 useMacro = todo.get("useMacro") | |
| 726 defineSlot = todo.get("defineSlot") | |
| 727 fillSlot = todo.get("fillSlot") | |
| 728 repeat = todo.get("repeat") | |
| 729 content = todo.get("content") | |
| 730 replace = todo.get("replace") | |
| 731 condition = todo.get("condition") | |
| 732 onError = todo.get("onError") | |
| 733 define = todo.get("define") | |
| 734 repldict = todo.get("repldict", {}) | |
| 735 scope = todo.get("scope") | |
| 736 optTag = todo.get("optional tag") | |
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737 msgid = todo.get('msgid') |
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738 i18ncontext = todo.get("i18ncontext") |
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739 varname = todo.get('i18nvar') |
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740 i18ndata = todo.get('i18ndata') |
| 1049 | 741 |
| 742 if implied > 0: | |
| 743 if defineMacro or useMacro or defineSlot or fillSlot: | |
| 744 exc = METALError | |
| 745 what = "METAL" | |
| 746 else: | |
| 747 exc = TALError | |
| 748 what = "TAL" | |
| 749 raise exc("%s attributes on <%s> require explicit </%s>" % | |
| 750 (what, name, name), position) | |
| 751 | |
|
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752 # If there's no tal:content or tal:replace in the tag with the |
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753 # i18n:name, tal:replace is the default. |
| 1049 | 754 if content: |
| 755 self.emitSubstitution(content, {}) | |
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756 # If we're looking at an implicit msgid, emit the insertTranslation |
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757 # opcode now, so that the end tag doesn't become part of the implicit |
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758 # msgid. If we're looking at an explicit msgid, it's better to emit |
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759 # the opcode after the i18nVariable opcode so we can better handle |
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760 # tags with both of them in them (and in the latter case, the contents |
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761 # would be thrown away for msgid purposes). |
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762 # |
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763 # Still, we should emit insertTranslation opcode before i18nVariable |
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764 # in case tal:content, i18n:translate and i18n:name in the same tag |
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765 if msgid is not None: |
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766 if (not varname) or ( |
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767 varname and (varname[1] == I18N_CONTENT)): |
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768 self.emitTranslation(msgid, i18ndata) |
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769 self.i18nLevel -= 1 |
| 1049 | 770 if optTag: |
| 771 self.emitOptTag(name, optTag, isend) | |
| 772 elif not isend: | |
|
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773 # If we're processing the end tag for a tag that contained |
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774 # i18n:name, we need to make sure that optimize() won't collect |
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775 # immediately following end tags into the same rawtextOffset, so |
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776 # put a spacer here that the optimizer will recognize. |
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777 if varname: |
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778 self.emit('noop') |
| 1049 | 779 self.emitEndTag(name) |
|
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780 # If i18n:name appeared in the same tag as tal:replace then we're |
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781 # going to do the substitution a little bit differently. The results |
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782 # of the expression go into the i18n substitution dictionary. |
| 1049 | 783 if replace: |
| 784 self.emitSubstitution(replace, repldict) | |
|
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785 elif varname: |
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786 # o varname[0] is the variable name |
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787 # o varname[1] is either |
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788 # - I18N_REPLACE for implicit tal:replace |
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789 # - I18N_CONTENT for tal:content |
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790 # - I18N_EXPRESSION for explicit tal:replace |
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791 # o varname[2] will be None for the first two actions and the |
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792 # replacement tal expression for the third action. |
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793 assert (varname[1] |
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794 in [I18N_REPLACE, I18N_CONTENT, I18N_EXPRESSION]) |
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795 self.emitI18nVariable(varname) |
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796 # Do not test for "msgid is not None", i.e. we only want to test for |
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797 # explicit msgids here. See comment above. |
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798 if msgid is not None: |
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799 # in case tal:content, i18n:translate and i18n:name in the |
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800 # same tag insertTranslation opcode has already been |
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801 # emitted |
|
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802 if varname and (varname[1] != I18N_CONTENT): |
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803 self.emitTranslation(msgid, i18ndata) |
| 1049 | 804 if repeat: |
| 805 self.emitRepeat(repeat) | |
| 806 if condition: | |
| 807 self.emitCondition(condition) | |
| 808 if onError: | |
|
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809 self.emitOnError(name, onError, optTag and optTag[1], isend) |
| 1049 | 810 if scope: |
| 811 self.emit("endScope") | |
|
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812 if i18ncontext: |
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813 self.emit("endI18nContext") |
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814 assert self.i18nContext.parent is not None |
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815 self.i18nContext = self.i18nContext.parent |
| 1049 | 816 if defineSlot: |
| 817 self.emitDefineSlot(defineSlot) | |
| 818 if fillSlot: | |
| 819 self.emitFillSlot(fillSlot) | |
| 820 if useMacro: | |
| 821 self.emitUseMacro(useMacro) | |
| 822 if defineMacro: | |
| 823 self.emitDefineMacro(defineMacro) | |
| 824 | |
|
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825 |
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826 def _parseI18nAttributes(i18nattrs, attrlist, repldict, position, |
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827 xml, source_file): |
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828 |
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829 def addAttribute(dic, attr, msgid, position, xml): |
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830 if not xml: |
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831 attr = attr.lower() |
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832 if attr in dic: |
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833 raise TALError( |
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834 "attribute may only be specified once in i18n:attributes: " |
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835 + attr, |
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836 position) |
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837 dic[attr] = msgid |
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838 |
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839 d = {} |
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840 if ';' in i18nattrs: |
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841 i18nattrlist = i18nattrs.split(';') |
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842 i18nattrlist = [attr.strip().split() |
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2005
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843 for attr in i18nattrlist if attr.strip()] |
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844 for parts in i18nattrlist: |
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845 if len(parts) > 2: |
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Richard Jones <richard@users.sourceforge.net>
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846 raise TALError("illegal i18n:attributes specification: %r" |
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847 % parts, position) |
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848 if len(parts) == 2: |
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849 attr, msgid = parts |
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850 else: |
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851 # len(parts) == 1 |
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2005
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852 attr = parts[0] |
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853 msgid = None |
|
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Richard Jones <richard@users.sourceforge.net>
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854 addAttribute(d, attr, msgid, position, xml) |
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2005
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|
855 else: |
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8c2402a78bb0
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Richard Jones <richard@users.sourceforge.net>
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2005
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856 i18nattrlist = i18nattrs.split() |
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Richard Jones <richard@users.sourceforge.net>
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857 if len(i18nattrlist) == 2: |
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858 staticattrs = [attr[0] for attr in attrlist if len(attr) == 2] |
|
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2005
diff
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859 if (not i18nattrlist[1] in staticattrs) and ( |
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Richard Jones <richard@users.sourceforge.net>
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860 not i18nattrlist[1] in repldict): |
|
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Richard Jones <richard@users.sourceforge.net>
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861 attr, msgid = i18nattrlist |
|
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862 addAttribute(d, attr, msgid, position, xml) |
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863 else: |
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Richard Jones <richard@users.sourceforge.net>
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864 msgid = None |
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865 for attr in i18nattrlist: |
|
8c2402a78bb0
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866 addAttribute(d, attr, msgid, position, xml) |
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867 else: |
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868 msgid = None |
|
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Richard Jones <richard@users.sourceforge.net>
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|
869 for attr in i18nattrlist: |
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Richard Jones <richard@users.sourceforge.net>
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870 addAttribute(d, attr, msgid, position, xml) |
|
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|
871 return d |
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|
872 |
| 1049 | 873 def test(): |
| 874 t = TALGenerator() | |
| 875 t.pushProgram() | |
| 876 t.emit("bar") | |
| 877 p = t.popProgram() | |
| 878 t.emit("foo", p) | |
| 879 | |
| 880 if __name__ == "__main__": | |
| 881 test() |