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annotate roundup/cgi/cgitb.py @ 2077:3e0961d6d44d

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Added the "actor" property. Metakit backend not done (still not confident I know how it's supposed to work ;) Currently it will come up as NULL in the RDBMS backends for older items. The *dbm backends will look up the journal. I hope to remedy the former before 0.7's release. Fixed a bunch of migration issues in the rdbms backends while I was at it (index changes for key prop changes) and simplified the class table update code for RDBMSes that have "alter table" in their command set (ie. not sqlite) ... migration from "version 1" to "version 2" still hasn't actually been tested yet though.
author Richard Jones <richard@users.sourceforge.net>
date Mon, 15 Mar 2004 05:50:20 +0000
parents fc52d57c6c3e
children cafdf8b7cc69
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1 #
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2 # This module was written by Ka-Ping Yee, <ping@lfw.org>.
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3 #
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4 # $Id: cgitb.py,v 1.10 2004-02-11 23:55:09 richard Exp $
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5
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6 """Extended CGI traceback handler by Ka-Ping Yee, <ping@lfw.org>.
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7 """
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8 __docformat__ = 'restructuredtext'
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9
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10 import sys, os, types, string, keyword, linecache, tokenize, inspect, cgi
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11 import pydoc, traceback
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12
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13 from roundup.i18n import _
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14
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15 def breaker():
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16 return ('<body bgcolor="white">' +
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17 '<font color="white" size="-5"> > </font> ' +
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18 '</table>' * 5)
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19
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20 def niceDict(indent, dict):
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21 l = []
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22 for k,v in dict.items():
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23 l.append('<tr><td><strong>%s</strong></td><td>%s</td></tr>'%(k,
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24 cgi.escape(repr(v))))
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25 return '\n'.join(l)
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26
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27 def pt_html(context=5):
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28 esc = cgi.escape
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29 l = ['<h1>Templating Error</h1>',
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30 '<p><b>%s</b>: %s</p>'%(esc(str(sys.exc_type)),
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31 esc(str(sys.exc_value))),
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32 '<p class="help">Debugging information follows</p>',
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33 '<ol>',]
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34 from roundup.cgi.PageTemplates.Expressions import TraversalError
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35 t = inspect.trace(context)
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36 t.reverse()
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37 for frame, file, lnum, func, lines, index in t:
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38 args, varargs, varkw, locals = inspect.getargvalues(frame)
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39 if locals.has_key('__traceback_info__'):
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40 ti = locals['__traceback_info__']
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41 if isinstance(ti, TraversalError):
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42 s = []
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43 for name, info in ti.path:
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44 s.append('<li>"%s" (%s)</li>'%(name, esc(repr(info))))
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45 s = '\n'.join(s)
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46 l.append('<li>Looking for "%s", current path:<ol>%s</ol></li>'%(
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47 ti.name, s))
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48 else:
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49 l.append('<li>In %s</li>'%esc(str(ti)))
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50 if locals.has_key('__traceback_supplement__'):
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51 ts = locals['__traceback_supplement__']
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52 if len(ts) == 2:
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53 supp, context = ts
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54 s = 'A problem occurred in your template "%s".'%str(context.id)
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55 if context._v_errors:
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56 s = s + '<br>' + '<br>'.join(
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57 [esc(x) for x in context._v_errors])
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58 l.append('<li>%s</li>'%s)
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59 elif len(ts) == 3:
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60 supp, context, info = ts
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61 l.append('''
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62 <li>While evaluating the %r expression on line %d
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63 <table class="otherinfo" style="font-size: 90%%">
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64 <tr><th colspan="2" class="header">Current variables:</th></tr>
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65 %s
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66 %s
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67 </table></li>
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68 '''%(info, context.position[0], niceDict(' ', context.global_vars),
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69 niceDict(' ', context.local_vars)))
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70
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71 l.append('''
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72 </ol>
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73 <table style="font-size: 80%%; color: gray">
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74 <tr><th class="header" align="left">Full traceback:</th></tr>
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75 <tr><td><pre>%s</pre></td></tr>
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76 </table>'''%cgi.escape(''.join(traceback.format_exception(sys.exc_type,
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77 sys.exc_value, sys.exc_traceback))))
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78 l.append('<p>&nbsp;</p>')
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79 return '\n'.join(l)
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80
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81 def html(context=5):
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82 etype, evalue = sys.exc_type, sys.exc_value
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83 if type(etype) is types.ClassType:
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84 etype = etype.__name__
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85 pyver = 'Python ' + string.split(sys.version)[0] + '<br>' + sys.executable
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86 head = pydoc.html.heading(
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87 '<font size=+1><strong>%s</strong>: %s</font>'%(etype, evalue),
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88 '#ffffff', '#777777', pyver)
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89
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90 head = head + (_('<p>A problem occurred while running a Python script. '
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91 'Here is the sequence of function calls leading up to '
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92 'the error, with the most recent (innermost) call first. '
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93 'The exception attributes are:'))
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94
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95 indent = '<tt><small>%s</small>&nbsp;</tt>' % ('&nbsp;' * 5)
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96 traceback = []
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97 for frame, file, lnum, func, lines, index in inspect.trace(context):
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98 if file is None:
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99 link = '''&lt;file is None - probably inside <tt>eval</tt> or
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100 <tt>exec</tt>&gt;'''
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101 else:
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102 file = os.path.abspath(file)
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103 link = '<a href="file:%s">%s</a>' % (file, pydoc.html.escape(file))
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104 args, varargs, varkw, locals = inspect.getargvalues(frame)
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105 if func == '?':
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106 call = ''
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107 else:
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108 call = 'in <strong>%s</strong>' % func + inspect.formatargvalues(
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109 args, varargs, varkw, locals,
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110 formatvalue=lambda value: '=' + pydoc.html.repr(value))
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111
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112 level = '''
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113 <table width="100%%" bgcolor="#dddddd" cellspacing=0 cellpadding=2 border=0>
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114 <tr><td>%s %s</td></tr></table>''' % (link, call)
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115
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116 if index is None or file is None:
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117 traceback.append('<p>' + level)
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118 continue
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119
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120 # do a file inspection
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121 names = []
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122 def tokeneater(type, token, start, end, line, names=names):
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123 if type == tokenize.NAME and token not in keyword.kwlist:
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124 if token not in names:
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125 names.append(token)
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126 if type == tokenize.NEWLINE: raise IndexError
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127 def linereader(file=file, lnum=[lnum]):
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128 line = linecache.getline(file, lnum[0])
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129 lnum[0] = lnum[0] + 1
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130 return line
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131
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132 try:
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133 tokenize.tokenize(linereader, tokeneater)
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134 except IndexError:
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135 pass
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136 lvals = []
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137 for name in names:
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138 if name in frame.f_code.co_varnames:
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139 if locals.has_key(name):
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140 value = pydoc.html.repr(locals[name])
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141 else:
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142 value = _('<em>undefined</em>')
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143 name = '<strong>%s</strong>' % name
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144 else:
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145 if frame.f_globals.has_key(name):
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146 value = pydoc.html.repr(frame.f_globals[name])
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147 else:
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148 value = _('<em>undefined</em>')
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149 name = '<em>global</em> <strong>%s</strong>' % name
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150 lvals.append('%s&nbsp;= %s'%(name, value))
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151 if lvals:
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152 lvals = string.join(lvals, ', ')
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153 lvals = indent + '<small><font color="#909090">%s'\
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154 '</font></small><br>'%lvals
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155 else:
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156 lvals = ''
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157
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158 excerpt = []
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159 i = lnum - index
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160 for line in lines:
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161 number = '&nbsp;' * (5-len(str(i))) + str(i)
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162 number = '<small><font color="#909090">%s</font></small>' % number
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163 line = '<tt>%s&nbsp;%s</tt>' % (number, pydoc.html.preformat(line))
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164 if i == lnum:
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165 line = '''
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166 <table width="100%%" bgcolor="white" cellspacing=0 cellpadding=0 border=0>
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167 <tr><td>%s</td></tr></table>''' % line
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168 excerpt.append('\n' + line)
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169 if i == lnum:
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170 excerpt.append(lvals)
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171 i = i + 1
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172 traceback.append('<p>' + level + string.join(excerpt, '\n'))
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173
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174 traceback.reverse()
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175
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176 exception = '<p><strong>%s</strong>: %s' % (str(etype), str(evalue))
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177 attribs = []
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178 if type(evalue) is types.InstanceType:
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179 for name in dir(evalue):
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180 value = pydoc.html.repr(getattr(evalue, name))
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181 attribs.append('<br>%s%s&nbsp;= %s' % (indent, name, value))
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182
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183 return head + string.join(attribs) + string.join(traceback) + '<p>&nbsp;</p>'
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184
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185 def handler():
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186 print breaker()
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187 print html()
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188
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189 # vim: set filetype=python ts=4 sw=4 et si
Roundup Issue Tracker: http://roundup-tracker.org/