Mercurial > p > roundup > code
annotate roundup/cgi/TAL/TALDefs.py @ 8540:e8d1da6e3571
bug: fix traceback in roundup-admin init with bad config values
initialize accepts setting values for config.ini file settings. If
they are not valid, you got a python traceback.
ConfigurationError exceptions are now trapped. The admin.py's
usageError_feedback method is used to inform the user. Also the
feedback message now starts with a newline making it easier to read by
separating it from command that caused the issue.
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Mon, 23 Mar 2026 13:18:41 -0400 |
| parents | 7172c201dec2 |
| children |
| 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 ############################################################################## |
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14 # Modifications for Roundup: |
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15 # 1. commented out ITALES references |
| 1049 | 16 """ |
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17 Common definitions used by TAL and METAL compilation an transformation. |
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18 """ |
| 1049 | 19 |
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20 #from ITALES import ITALESErrorInfo |
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21 |
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22 TAL_VERSION = "1.4" |
| 1049 | 23 |
| 24 XML_NS = "http://www.w3.org/XML/1998/namespace" # URI for XML namespace | |
| 25 XMLNS_NS = "http://www.w3.org/2000/xmlns/" # URI for XML NS declarations | |
| 26 | |
| 27 ZOPE_TAL_NS = "http://xml.zope.org/namespaces/tal" | |
| 28 ZOPE_METAL_NS = "http://xml.zope.org/namespaces/metal" | |
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29 ZOPE_I18N_NS = "http://xml.zope.org/namespaces/i18n" |
| 1049 | 30 |
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31 # This RE must exactly match the expression of the same name in the |
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32 # zope.i18n.simpletranslationservice module: |
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33 NAME_RE = "[a-zA-Z_][-a-zA-Z0-9_]*" |
| 1049 | 34 |
| 35 KNOWN_METAL_ATTRIBUTES = [ | |
| 36 "define-macro", | |
| 37 "use-macro", | |
| 38 "define-slot", | |
| 39 "fill-slot", | |
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40 "slot", |
| 1049 | 41 ] |
| 42 | |
| 43 KNOWN_TAL_ATTRIBUTES = [ | |
| 44 "define", | |
| 45 "condition", | |
| 46 "content", | |
| 47 "replace", | |
| 48 "repeat", | |
| 49 "attributes", | |
| 50 "on-error", | |
| 51 "omit-tag", | |
| 52 "tal tag", | |
| 53 ] | |
| 54 | |
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55 KNOWN_I18N_ATTRIBUTES = [ |
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56 "translate", |
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57 "domain", |
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58 "target", |
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59 "source", |
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60 "attributes", |
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61 "data", |
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62 "name", |
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63 ] |
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64 |
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65 class TALError(BaseException): |
| 1049 | 66 |
| 67 def __init__(self, msg, position=(None, None)): | |
| 68 assert msg != "" | |
| 69 self.msg = msg | |
| 70 self.lineno = position[0] | |
| 71 self.offset = position[1] | |
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72 self.filename = None |
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73 |
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74 def setFile(self, filename): |
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75 self.filename = filename |
| 1049 | 76 |
| 77 def __str__(self): | |
| 78 result = self.msg | |
| 79 if self.lineno is not None: | |
| 80 result = result + ", at line %d" % self.lineno | |
| 81 if self.offset is not None: | |
| 82 result = result + ", column %d" % (self.offset + 1) | |
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83 if self.filename is not None: |
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84 result = result + ', in file %s' % self.filename |
| 1049 | 85 return result |
| 86 | |
| 87 class METALError(TALError): | |
| 88 pass | |
| 89 | |
| 90 class TALESError(TALError): | |
| 91 pass | |
| 92 | |
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93 class I18NError(TALError): |
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94 pass |
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95 |
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96 |
| 1049 | 97 class ErrorInfo: |
| 98 | |
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99 #__implements__ = ITALESErrorInfo |
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100 |
| 1049 | 101 def __init__(self, err, position=(None, None)): |
| 102 if isinstance(err, Exception): | |
| 103 self.type = err.__class__ | |
| 104 self.value = err | |
| 105 else: | |
| 106 self.type = err | |
| 107 self.value = None | |
| 108 self.lineno = position[0] | |
| 109 self.offset = position[1] | |
| 110 | |
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111 |
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112 |
| 1049 | 113 import re |
| 114 _attr_re = re.compile(r"\s*([^\s]+)\s+([^\s].*)\Z", re.S) | |
| 115 _subst_re = re.compile(r"\s*(?:(text|structure)\s+)?(.*)\Z", re.S) | |
| 116 del re | |
| 117 | |
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118 def parseAttributeReplacements(arg, xml): |
| 1049 | 119 dict = {} |
| 120 for part in splitParts(arg): | |
| 121 m = _attr_re.match(part) | |
| 122 if not m: | |
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123 raise TALError("Bad syntax in attributes: " + repr(part)) |
| 1049 | 124 name, expr = m.group(1, 2) |
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125 if not xml: |
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126 name = name.lower() |
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127 if name in dict: |
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128 raise TALError("Duplicate attribute name in attributes: " + repr(part)) |
| 1049 | 129 dict[name] = expr |
| 130 return dict | |
| 131 | |
| 132 def parseSubstitution(arg, position=(None, None)): | |
| 133 m = _subst_re.match(arg) | |
| 134 if not m: | |
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135 raise TALError("Bad syntax in substitution text: " + repr(arg), position) |
| 1049 | 136 key, expr = m.group(1, 2) |
| 137 if not key: | |
| 138 key = "text" | |
| 139 return key, expr | |
| 140 | |
| 141 def splitParts(arg): | |
| 142 # Break in pieces at undoubled semicolons and | |
| 143 # change double semicolons to singles: | |
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144 arg = arg.replace(";;", "\0") |
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145 parts = arg.split(';') |
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146 parts = [p.replace("\0", ";") for p in parts] |
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147 if len(parts) > 1 and not parts[-1].strip(): |
| 1049 | 148 del parts[-1] # It ended in a semicolon |
| 149 return parts | |
| 150 | |
| 151 def isCurrentVersion(program): | |
| 152 version = getProgramVersion(program) | |
| 153 return version == TAL_VERSION | |
| 154 | |
| 155 def getProgramMode(program): | |
| 156 version = getProgramVersion(program) | |
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157 if (version == TAL_VERSION and isinstance(program[1], tuple) and |
| 1049 | 158 len(program[1]) == 2): |
| 159 opcode, mode = program[1] | |
| 160 if opcode == "mode": | |
| 161 return mode | |
| 162 return None | |
| 163 | |
| 164 def getProgramVersion(program): | |
| 165 if (len(program) >= 2 and | |
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166 isinstance(program[0], tuple) and len(program[0]) == 2): |
| 1049 | 167 opcode, version = program[0] |
| 168 if opcode == "version": | |
| 169 return version | |
| 170 return None | |
| 171 | |
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172 import re |
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173 _ent1_re = re.compile('&(?![A-Z#])', re.I) |
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174 _entch_re = re.compile('&([A-Z][A-Z0-9]*)(?![A-Z0-9;])', re.I) |
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175 _entn1_re = re.compile('&#(?![0-9X])', re.I) |
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176 _entnx_re = re.compile('&(#X[A-F0-9]*)(?![A-F0-9;])', re.I) |
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177 _entnd_re = re.compile('&(#[0-9][0-9]*)(?![0-9;])') |
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178 del re |
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179 |
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180 def attrEscape(s): |
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181 """Replace special characters '&<>' by character entities, |
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182 except when '&' already begins a syntactically valid entity.""" |
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183 s = _ent1_re.sub('&', s) |
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184 s = _entch_re.sub(r'&\1', s) |
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185 s = _entn1_re.sub('&#', s) |
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186 s = _entnx_re.sub(r'&\1', s) |
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187 s = _entnd_re.sub(r'&\1', s) |
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188 s = s.replace('<', '<') |
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189 s = s.replace('>', '>') |
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190 s = s.replace('"', '"') |
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191 return s |