1 # $Id: cgitb.py,v 1.2 2001-07-22 12:09:32 richard Exp $
3 import sys, os, types, string, keyword, linecache, tokenize, inspect, pydoc
5 def breaker():
6 return ('<body bgcolor="#f0f0ff">' +
7 '<font color="#f0f0ff" size="-5"> > </font> ' +
8 '</table>' * 5)
10 def html(context=5):
11 etype, evalue = sys.exc_type, sys.exc_value
12 if type(etype) is types.ClassType:
13 etype = etype.__name__
14 pyver = 'Python ' + string.split(sys.version)[0] + '<br>' + sys.executable
15 head = pydoc.html.heading(
16 '<font size=+1><strong>%s</strong>: %s</font>'%(str(etype), str(evalue)),
17 '#ffffff', '#aa55cc', pyver)
19 head = head + ('<p>A problem occurred while running a Python script. '
20 'Here is the sequence of function calls leading up to '
21 'the error, with the most recent (innermost) call first. '
22 'The exception attributes are:')
24 indent = '<tt><small>%s</small> </tt>' % (' ' * 5)
25 traceback = []
26 for frame, file, lnum, func, lines, index in inspect.trace(context):
27 if file is None:
28 link = '<file is None - probably inside <tt>eval</tt> or <tt>exec</tt>>'
29 else:
30 file = os.path.abspath(file)
31 link = '<a href="file:%s">%s</a>' % (file, pydoc.html.escape(file))
32 args, varargs, varkw, locals = inspect.getargvalues(frame)
33 if func == '?':
34 call = ''
35 else:
36 call = 'in <strong>%s</strong>' % func + inspect.formatargvalues(
37 args, varargs, varkw, locals,
38 formatvalue=lambda value: '=' + pydoc.html.repr(value))
40 level = '''
41 <table width="100%%" bgcolor="#d8bbff" cellspacing=0 cellpadding=2 border=0>
42 <tr><td>%s %s</td></tr></table>''' % (link, call)
44 if file is None:
45 traceback.append('<p>' + level)
46 continue
48 # do a fil inspection
49 names = []
50 def tokeneater(type, token, start, end, line, names=names):
51 if type == tokenize.NAME and token not in keyword.kwlist:
52 if token not in names:
53 names.append(token)
54 if type == tokenize.NEWLINE: raise IndexError
55 def linereader(file=file, lnum=[lnum]):
56 line = linecache.getline(file, lnum[0])
57 lnum[0] = lnum[0] + 1
58 return line
60 try:
61 tokenize.tokenize(linereader, tokeneater)
62 except IndexError: pass
63 lvals = []
64 for name in names:
65 if name in frame.f_code.co_varnames:
66 if locals.has_key(name):
67 value = pydoc.html.repr(locals[name])
68 else:
69 value = '<em>undefined</em>'
70 name = '<strong>%s</strong>' % name
71 else:
72 if frame.f_globals.has_key(name):
73 value = pydoc.html.repr(frame.f_globals[name])
74 else:
75 value = '<em>undefined</em>'
76 name = '<em>global</em> <strong>%s</strong>' % name
77 lvals.append('%s = %s' % (name, value))
78 if lvals:
79 lvals = string.join(lvals, ', ')
80 lvals = indent + '''
81 <small><font color="#909090">%s</font></small><br>''' % lvals
82 else:
83 lvals = ''
85 excerpt = []
86 i = lnum - index
87 for line in lines:
88 number = ' ' * (5-len(str(i))) + str(i)
89 number = '<small><font color="#909090">%s</font></small>' % number
90 line = '<tt>%s %s</tt>' % (number, pydoc.html.preformat(line))
91 if i == lnum:
92 line = '''
93 <table width="100%%" bgcolor="#ffccee" cellspacing=0 cellpadding=0 border=0>
94 <tr><td>%s</td></tr></table>''' % line
95 excerpt.append('\n' + line)
96 if i == lnum:
97 excerpt.append(lvals)
98 i = i + 1
99 traceback.append('<p>' + level + string.join(excerpt, '\n'))
101 traceback.reverse()
103 exception = '<p><strong>%s</strong>: %s' % (str(etype), str(evalue))
104 attribs = []
105 if type(evalue) is types.InstanceType:
106 for name in dir(evalue):
107 value = pydoc.html.repr(getattr(evalue, name))
108 attribs.append('<br>%s%s = %s' % (indent, name, value))
110 return head + string.join(attribs) + string.join(traceback) + '<p> </p>'
112 def handler():
113 print breaker()
114 print html()
116 #
117 # $Log: not supported by cvs2svn $
118 # Revision 1.1 2001/07/22 11:58:35 richard
119 # More Grande Splite
120 #