Mercurial > p > roundup > code

comparison roundup/cgi/cgitb.py @ 985:55ab0c5b49f9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
New CGI interface support
author Richard Jones <richard@users.sourceforge.net>
date Fri, 30 Aug 2002 08:28:44 +0000
parents
children 0f9aa62917bd
comparison
equal deleted inserted replaced
984:a3a8ac7b8c40 985:55ab0c5b49f9
1 #
2 # This module was written by Ka-Ping Yee, <ping@lfw.org>.
3 #
4 # $Id: cgitb.py,v 1.1 2002-08-30 08:28:44 richard Exp $
5
6 __doc__ = """
7 Extended CGI traceback handler by Ka-Ping Yee, <ping@lfw.org>.
8 """
9
10 import sys, os, types, string, keyword, linecache, tokenize, inspect, pydoc
11
12 from roundup.i18n import _
13
14 def breaker():
15 return ('<body bgcolor="white">' +
16 '<font color="white" size="-5"> > </font> ' +
17 '</table>' * 5)
18
19 def html(context=5):
20 etype, evalue = sys.exc_type, sys.exc_value
21 if type(etype) is types.ClassType:
22 etype = etype.__name__
23 pyver = 'Python ' + string.split(sys.version)[0] + '<br>' + sys.executable
24 head = pydoc.html.heading(
25 '<font size=+1><strong>%s</strong>: %s</font>'%(etype, evalue),
26 '#ffffff', '#777777', pyver)
27
28 head = head + (_('<p>A problem occurred while running a Python script. '
29 'Here is the sequence of function calls leading up to '
30 'the error, with the most recent (innermost) call first. '
31 'The exception attributes are:'))
32
33 indent = '<tt><small>%s</small>&nbsp;</tt>' % ('&nbsp;' * 5)
34 traceback = []
35 for frame, file, lnum, func, lines, index in inspect.trace(context):
36 if file is None:
37 link = '&lt;file is None - probably inside <tt>eval</tt> or <tt>exec</tt>&gt;'
38 else:
39 file = os.path.abspath(file)
40 link = '<a href="file:%s">%s</a>' % (file, pydoc.html.escape(file))
41 args, varargs, varkw, locals = inspect.getargvalues(frame)
42 if func == '?':
43 call = ''
44 else:
45 call = 'in <strong>%s</strong>' % func + inspect.formatargvalues(
46 args, varargs, varkw, locals,
47 formatvalue=lambda value: '=' + pydoc.html.repr(value))
48
49 level = '''
50 <table width="100%%" bgcolor="#dddddd" cellspacing=0 cellpadding=2 border=0>
51 <tr><td>%s %s</td></tr></table>''' % (link, call)
52
53 if index is None or file is None:
54 traceback.append('<p>' + level)
55 continue
56
57 # do a fil inspection
58 names = []
59 def tokeneater(type, token, start, end, line, names=names):
60 if type == tokenize.NAME and token not in keyword.kwlist:
61 if token not in names:
62 names.append(token)
63 if type == tokenize.NEWLINE: raise IndexError
64 def linereader(file=file, lnum=[lnum]):
65 line = linecache.getline(file, lnum[0])
66 lnum[0] = lnum[0] + 1
67 return line
68
69 try:
70 tokenize.tokenize(linereader, tokeneater)
71 except IndexError: pass
72 lvals = []
73 for name in names:
74 if name in frame.f_code.co_varnames:
75 if locals.has_key(name):
76 value = pydoc.html.repr(locals[name])
77 else:
78 value = _('<em>undefined</em>')
79 name = '<strong>%s</strong>' % name
80 else:
81 if frame.f_globals.has_key(name):
82 value = pydoc.html.repr(frame.f_globals[name])
83 else:
84 value = _('<em>undefined</em>')
85 name = '<em>global</em> <strong>%s</strong>' % name
86 lvals.append('%s&nbsp;= %s' % (name, value))
87 if lvals:
88 lvals = string.join(lvals, ', ')
89 lvals = indent + '''
90 <small><font color="#909090">%s</font></small><br>''' % lvals
91 else:
92 lvals = ''
93
94 excerpt = []
95 i = lnum - index
96 for line in lines:
97 number = '&nbsp;' * (5-len(str(i))) + str(i)
98 number = '<small><font color="#909090">%s</font></small>' % number
99 line = '<tt>%s&nbsp;%s</tt>' % (number, pydoc.html.preformat(line))
100 if i == lnum:
101 line = '''
102 <table width="100%%" bgcolor="#white" cellspacing=0 cellpadding=0 border=0>
103 <tr><td>%s</td></tr></table>''' % line
104 excerpt.append('\n' + line)
105 if i == lnum:
106 excerpt.append(lvals)
107 i = i + 1
108 traceback.append('<p>' + level + string.join(excerpt, '\n'))
109
110 traceback.reverse()
111
112 exception = '<p><strong>%s</strong>: %s' % (str(etype), str(evalue))
113 attribs = []
114 if type(evalue) is types.InstanceType:
115 for name in dir(evalue):
116 value = pydoc.html.repr(getattr(evalue, name))
117 attribs.append('<br>%s%s&nbsp;= %s' % (indent, name, value))
118
119 return head + string.join(attribs) + string.join(traceback) + '<p>&nbsp;</p>'
120
121 def handler():
122 print breaker()
123 print html()
124
125 #
126 # $Log: not supported by cvs2svn $
127 # Revision 1.10 2002/01/16 04:49:45 richard
128 # Handle a special case that the CGI interface tickles. I need to check if
129 # this needs fixing in python's core.
130 #
131 # Revision 1.9 2002/01/08 11:56:24 richard
132 # missed an import _
133 #
134 # Revision 1.8 2002/01/05 02:22:32 richard
135 # i18n'ification
136 #
137 # Revision 1.7 2001/11/22 15:46:42 jhermann
138 # Added module docstrings to all modules.
139 #
140 # Revision 1.6 2001/09/29 13:27:00 richard
141 # CGI interfaces now spit up a top-level index of all the instances they can
142 # serve.
143 #
144 # Revision 1.5 2001/08/07 00:24:42 richard
145 # stupid typo
146 #
147 # Revision 1.4 2001/08/07 00:15:51 richard
148 # Added the copyright/license notice to (nearly) all files at request of
149 # Bizar Software.
150 #
151 # Revision 1.3 2001/07/29 07:01:39 richard
152 # Added vim command to all source so that we don't get no steenkin' tabs :)
153 #
154 # Revision 1.2 2001/07/22 12:09:32 richard
155 # Final commit of Grande Splite
156 #
157 # Revision 1.1 2001/07/22 11:58:35 richard
158 # More Grande Splite
159 #
160 #
161 # vim: set filetype=python ts=4 sw=4 et si
Roundup Issue Tracker: http://roundup-tracker.org/