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annotate roundup/cgitb.py @ 324:1aabcbeff752

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author Richard Jones <richard@users.sourceforge.net>
date Tue, 23 Oct 2001 23:54:22 +0000
parents 76c6994aa4e8
children bdc2ea127ae9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 1.6 2001-09-29 13:27:00 richard Exp $
25
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5
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6 import sys, os, types, string, keyword, linecache, tokenize, inspect, pydoc
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7
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8 def breaker():
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9 return ('<body bgcolor="#f0f0ff">' +
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10 '<font color="#f0f0ff" size="-5"> > </font> ' +
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11 '</table>' * 5)
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12
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13 def html(context=5):
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14 etype, evalue = sys.exc_type, sys.exc_value
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15 if type(etype) is types.ClassType:
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16 etype = etype.__name__
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17 pyver = 'Python ' + string.split(sys.version)[0] + '<br>' + sys.executable
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18 head = pydoc.html.heading(
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19 '<font size=+1><strong>%s</strong>: %s</font>'%(str(etype), str(evalue)),
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20 '#ffffff', '#aa55cc', pyver)
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21
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22 head = head + ('<p>A problem occurred while running a Python script. '
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23 'Here is the sequence of function calls leading up to '
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24 'the error, with the most recent (innermost) call first. '
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25 'The exception attributes are:')
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26
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27 indent = '<tt><small>%s</small>&nbsp;</tt>' % ('&nbsp;' * 5)
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28 traceback = []
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29 for frame, file, lnum, func, lines, index in inspect.trace(context):
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30 if file is None:
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31 link = '&lt;file is None - probably inside <tt>eval</tt> or <tt>exec</tt>&gt;'
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32 else:
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33 file = os.path.abspath(file)
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34 link = '<a href="file:%s">%s</a>' % (file, pydoc.html.escape(file))
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35 args, varargs, varkw, locals = inspect.getargvalues(frame)
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36 if func == '?':
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37 call = ''
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38 else:
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39 call = 'in <strong>%s</strong>' % func + inspect.formatargvalues(
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40 args, varargs, varkw, locals,
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41 formatvalue=lambda value: '=' + pydoc.html.repr(value))
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42
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43 level = '''
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44 <table width="100%%" bgcolor="#d8bbff" cellspacing=0 cellpadding=2 border=0>
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45 <tr><td>%s %s</td></tr></table>''' % (link, call)
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46
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47 if file is None:
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48 traceback.append('<p>' + level)
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49 continue
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50
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51 # do a fil inspection
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52 names = []
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53 def tokeneater(type, token, start, end, line, names=names):
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54 if type == tokenize.NAME and token not in keyword.kwlist:
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55 if token not in names:
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56 names.append(token)
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57 if type == tokenize.NEWLINE: raise IndexError
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58 def linereader(file=file, lnum=[lnum]):
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59 line = linecache.getline(file, lnum[0])
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60 lnum[0] = lnum[0] + 1
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61 return line
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62
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63 try:
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64 tokenize.tokenize(linereader, tokeneater)
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65 except IndexError: pass
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66 lvals = []
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67 for name in names:
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68 if name in frame.f_code.co_varnames:
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69 if locals.has_key(name):
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70 value = pydoc.html.repr(locals[name])
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71 else:
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72 value = '<em>undefined</em>'
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73 name = '<strong>%s</strong>' % name
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74 else:
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75 if frame.f_globals.has_key(name):
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76 value = pydoc.html.repr(frame.f_globals[name])
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77 else:
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78 value = '<em>undefined</em>'
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79 name = '<em>global</em> <strong>%s</strong>' % name
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80 lvals.append('%s&nbsp;= %s' % (name, value))
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81 if lvals:
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82 lvals = string.join(lvals, ', ')
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83 lvals = indent + '''
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84 <small><font color="#909090">%s</font></small><br>''' % lvals
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85 else:
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86 lvals = ''
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87
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88 excerpt = []
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89 i = lnum - index
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90 for line in lines:
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91 number = '&nbsp;' * (5-len(str(i))) + str(i)
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92 number = '<small><font color="#909090">%s</font></small>' % number
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93 line = '<tt>%s&nbsp;%s</tt>' % (number, pydoc.html.preformat(line))
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94 if i == lnum:
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95 line = '''
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96 <table width="100%%" bgcolor="#ffccee" cellspacing=0 cellpadding=0 border=0>
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97 <tr><td>%s</td></tr></table>''' % line
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98 excerpt.append('\n' + line)
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99 if i == lnum:
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100 excerpt.append(lvals)
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101 i = i + 1
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102 traceback.append('<p>' + level + string.join(excerpt, '\n'))
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103
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104 traceback.reverse()
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105
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106 exception = '<p><strong>%s</strong>: %s' % (str(etype), str(evalue))
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107 attribs = []
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108 if type(evalue) is types.InstanceType:
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109 for name in dir(evalue):
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110 value = pydoc.html.repr(getattr(evalue, name))
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111 attribs.append('<br>%s%s&nbsp;= %s' % (indent, name, value))
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112
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113 return head + string.join(attribs) + string.join(traceback) + '<p>&nbsp;</p>'
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114
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115 def handler():
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116 print breaker()
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117 print html()
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118
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119 #
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120 # $Log: not supported by cvs2svn $
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121 # Revision 1.5 2001/08/07 00:24:42 richard
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122 # stupid typo
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123 #
214
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124 # Revision 1.4 2001/08/07 00:15:51 richard
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125 # Added the copyright/license notice to (nearly) all files at request of
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126 # Bizar Software.
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127 #
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128 # Revision 1.3 2001/07/29 07:01:39 richard
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129 # Added vim command to all source so that we don't get no steenkin' tabs :)
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130 #
127
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131 # Revision 1.2 2001/07/22 12:09:32 richard
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132 # Final commit of Grande Splite
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133 #
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134 # Revision 1.1 2001/07/22 11:58:35 richard
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135 # More Grande Splite
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136 #
127
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137 #
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138 # vim: set filetype=python ts=4 sw=4 et si
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