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comparison roundup/cgi/cgitb.py @ 6201:70e6b053193b

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pep8 fixes
author John Rouillard <rouilj@ieee.org>
date Fri, 19 Jun 2020 21:39:17 -0400
parents 883c9e90b403
children 3129d73e8535
comparison
equal deleted inserted replaced
6200:718f205dbe50 6201:70e6b053193b
5 """Extended CGI traceback handler by Ka-Ping Yee, <ping@lfw.org>. 5 """Extended CGI traceback handler by Ka-Ping Yee, <ping@lfw.org>.
6 """ 6 """
7 from __future__ import print_function 7 from __future__ import print_function
8 __docformat__ = 'restructuredtext' 8 __docformat__ = 'restructuredtext'
9 9
10 import sys, os, keyword, linecache, tokenize, inspect, cgi 10 import sys, os, keyword, linecache, tokenize, inspect
11 import pydoc, traceback 11 import pydoc, traceback
12 12
13 from roundup.anypy.html import html_escape 13 from roundup.anypy.html import html_escape
14 14
15 from roundup.cgi import templating, TranslationService 15 from roundup.cgi import TranslationService
16 from roundup.anypy.strings import s2b 16 from roundup.anypy.strings import s2b
17
17 18
18 def get_translator(i18n=None): 19 def get_translator(i18n=None):
19 """Return message translation function (gettext) 20 """Return message translation function (gettext)
20 21
21 Parameters: 22 Parameters:
28 TranslationService. 29 TranslationService.
29 30
30 """ 31 """
31 try: 32 try:
32 return i18n.gettext 33 return i18n.gettext
33 except: 34 except AttributeError:
34 return TranslationService.get_translation().gettext 35 return TranslationService.get_translation().gettext
36
35 37
36 def breaker(): 38 def breaker():
37 return ('<body bgcolor="white">' + 39 return ('<body bgcolor="white">' +
38 '<font color="white" size="-5"> > </font> ' + 40 '<font color="white" size="-5"> > </font> ' +
39 '</table>' * 5) 41 '</table>' * 5)
40 42
43
41 def niceDict(indent, dict): 44 def niceDict(indent, dict):
42 l = [] 45 l = []
43 for k in sorted(dict): 46 for k in sorted(dict):
44 v = dict[k] 47 v = dict[k]
45 l.append('<tr><td><strong>%s</strong></td><td>%s</td></tr>'%(k, 48 l.append('<tr><td><strong>%s</strong></td><td>%s</td></tr>' % (k,
46 html_escape(repr(v)))) 49 html_escape(repr(v))))
47 return '\n'.join(l) 50 return '\n'.join(l)
51
48 52
49 def pt_html(context=5, i18n=None): 53 def pt_html(context=5, i18n=None):
50 _ = get_translator(i18n) 54 _ = get_translator(i18n)
51 esc = html_escape 55 esc = html_escape
52 exc_info = [esc(str(value)) for value in sys.exc_info()[:2]] 56 exc_info = [esc(str(value)) for value in sys.exc_info()[:2]]
53 l = [_('<h1>Templating Error</h1>\n' 57 l = [_('<h1>Templating Error</h1>\n'
54 '<p><b>%(exc_type)s</b>: %(exc_value)s</p>\n' 58 '<p><b>%(exc_type)s</b>: %(exc_value)s</p>\n'
55 '<p class="help">Debugging information follows</p>' 59 '<p class="help">Debugging information follows</p>'
56 ) % {'exc_type': exc_info[0], 'exc_value': exc_info[1]}, 60 ) % {'exc_type': exc_info[0], 'exc_value': exc_info[1]},
57 '<ol>',] 61 '<ol>', ]
58 from roundup.cgi.PageTemplates.Expressions import TraversalError 62 from roundup.cgi.PageTemplates.Expressions import TraversalError
59 t = inspect.trace(context) 63 t = inspect.trace(context)
60 t.reverse() 64 t.reverse()
61 for frame, file, lnum, func, lines, index in t: 65 for frame, file, lnum, func, lines, index in t:
62 args, varargs, varkw, locals = inspect.getargvalues(frame) 66 args, varargs, varkw, locals = inspect.getargvalues(frame)
64 ti = locals['__traceback_info__'] 68 ti = locals['__traceback_info__']
65 if isinstance(ti, TraversalError): 69 if isinstance(ti, TraversalError):
66 s = [] 70 s = []
67 for name, info in ti.path: 71 for name, info in ti.path:
68 s.append(_('<li>"%(name)s" (%(info)s)</li>') 72 s.append(_('<li>"%(name)s" (%(info)s)</li>')
69 % {'name': name, 'info': esc(repr(info))}) 73 % {'name': name, 'info': esc(repr(info))})
70 s = '\n'.join(s) 74 s = '\n'.join(s)
71 l.append(_('<li>Looking for "%(name)s", ' 75 l.append(_('<li>Looking for "%(name)s", '
72 'current path:<ol>%(path)s</ol></li>' 76 'current path:<ol>%(path)s</ol></li>'
73 ) % {'name': ti.name, 'path': s}) 77 ) % {'name': ti.name, 'path': s})
74 else: 78 else:
75 l.append(_('<li>In %s</li>') % esc(str(ti))) 79 l.append(_('<li>In %s</li>') % esc(str(ti)))
76 if '__traceback_supplement__' in locals: 80 if '__traceback_supplement__' in locals:
77 ts = locals['__traceback_supplement__'] 81 ts = locals['__traceback_supplement__']
78 if len(ts) == 2: 82 if len(ts) == 2:
80 s = _('A problem occurred in your template "%s".') \ 84 s = _('A problem occurred in your template "%s".') \
81 % str(context.id) 85 % str(context.id)
82 if context._v_errors: 86 if context._v_errors:
83 s = s + '<br>' + '<br>'.join( 87 s = s + '<br>' + '<br>'.join(
84 [esc(x) for x in context._v_errors]) 88 [esc(x) for x in context._v_errors])
85 l.append('<li>%s</li>'%s) 89 l.append('<li>%s</li>' % s)
86 elif len(ts) == 3: 90 elif len(ts) == 3:
87 supp, context, info = ts 91 supp, context, info = ts
88 l.append(_(''' 92 l.append(_('''
89 <li>While evaluating the %(info)r expression on line %(line)d 93 <li>While evaluating the %(info)r expression on line %(line)d
90 <table class="otherinfo" style="font-size: 90%%"> 94 <table class="otherinfo" style="font-size: 90%%">
108 traceback.format_exception(*sys.exc_info()) 112 traceback.format_exception(*sys.exc_info())
109 )))) 113 ))))
110 l.append('<p>&nbsp;</p>') 114 l.append('<p>&nbsp;</p>')
111 return '\n'.join(l) 115 return '\n'.join(l)
112 116
117
113 def html(context=5, i18n=None): 118 def html(context=5, i18n=None):
114 _ = get_translator(i18n) 119 _ = get_translator(i18n)
115 etype, evalue = sys.exc_info()[0], sys.exc_info()[1] 120 etype, evalue = sys.exc_info()[0], sys.exc_info()[1]
116 if type(etype) is type: 121 if type(etype) is type:
117 etype = etype.__name__ 122 etype = etype.__name__
120 _('<font size=+1><strong>%(exc_type)s</strong>: %(exc_value)s</font>') 125 _('<font size=+1><strong>%(exc_type)s</strong>: %(exc_value)s</font>')
121 % {'exc_type': etype, 'exc_value': evalue}, 126 % {'exc_type': etype, 'exc_value': evalue},
122 '#ffffff', '#777777', pyver) 127 '#ffffff', '#777777', pyver)
123 128
124 head = head + (_('<p>A problem occurred while running a Python script. ' 129 head = head + (_('<p>A problem occurred while running a Python script. '
125 'Here is the sequence of function calls leading up to ' 130 'Here is the sequence of function calls leading up to '
126 'the error, with the most recent (innermost) call first. ' 131 'the error, with the most recent (innermost) call first. '
127 'The exception attributes are:')) 132 'The exception attributes are:'))
128 133
129 indent = '<tt><small>%s</small>&nbsp;</tt>' % ('&nbsp;' * 5) 134 indent = '<tt><small>%s</small>&nbsp;</tt>' % ('&nbsp;' * 5)
130 traceback = [] 135 traceback = []
131 for frame, file, lnum, func, lines, index in inspect.trace(context): 136 for frame, file, lnum, func, lines, index in inspect.trace(context):
132 if file is None: 137 if file is None:
133 link = _("&lt;file is None - probably inside <tt>eval</tt> " 138 link = _("&lt;file is None - probably inside <tt>eval</tt> "
134 "or <tt>exec</tt>&gt;") 139 "or <tt>exec</tt>&gt;")
135 else: 140 else:
136 file = os.path.abspath(file) 141 file = os.path.abspath(file)
137 link = '<a href="file:%s">%s</a>' % (file, pydoc.html.escape(file)) 142 link = '<a href="file:%s">%s</a>' % (file, pydoc.html.escape(file))
138 args, varargs, varkw, locals = inspect.getargvalues(frame) 143 args, varargs, varkw, locals = inspect.getargvalues(frame)
139 if func == '?': 144 if func == '?':
140 call = '' 145 call = ''
141 else: 146 else:
142 call = _('in <strong>%s</strong>') % func + inspect.formatargvalues( 147 call = _('in <strong>%s</strong>') % \
143 args, varargs, varkw, locals, 148 func + inspect.formatargvalues(
144 formatvalue=lambda value: '=' + pydoc.html.repr(value)) 149 args, varargs, varkw, locals,
150 formatvalue=lambda value: '=' + pydoc.html.repr(value))
145 151
146 level = ''' 152 level = '''
147 <table width="100%%" bgcolor="#dddddd" cellspacing=0 cellpadding=2 border=0> 153 <table width="100%%" bgcolor="#dddddd" cellspacing=0 cellpadding=2 border=0>
148 <tr><td>%s %s</td></tr></table>''' % (link, call) 154 <tr><td>%s %s</td></tr></table>''' % (link, call)
149 155
151 traceback.append('<p>' + level) 157 traceback.append('<p>' + level)
152 continue 158 continue
153 159
154 # do a file inspection 160 # do a file inspection
155 names = [] 161 names = []
162
156 def tokeneater(type, token, start, end, line, names=names): 163 def tokeneater(type, token, start, end, line, names=names):
157 if type == tokenize.NAME and token not in keyword.kwlist: 164 if type == tokenize.NAME and token not in keyword.kwlist:
158 if token not in names: 165 if token not in names:
159 names.append(token) 166 names.append(token)
160 if type == tokenize.NEWLINE: raise IndexError 167 if type == tokenize.NEWLINE: raise IndexError
168
161 def linereader(file=file, lnum=[lnum]): 169 def linereader(file=file, lnum=[lnum]):
162 line = s2b(linecache.getline(file, lnum[0])) 170 line = s2b(linecache.getline(file, lnum[0]))
163 lnum[0] = lnum[0] + 1 171 lnum[0] = lnum[0] + 1
164 return line 172 return line
165 173
190 if name in frame.f_globals: 198 if name in frame.f_globals:
191 value = pydoc.html.repr(frame.f_globals[name]) 199 value = pydoc.html.repr(frame.f_globals[name])
192 else: 200 else:
193 value = _('<em>undefined</em>') 201 value = _('<em>undefined</em>')
194 name = '<em>global</em> <strong>%s</strong>' % name 202 name = '<em>global</em> <strong>%s</strong>' % name
195 lvals.append('%s&nbsp;= %s'%(name, value)) 203 lvals.append('%s&nbsp;= %s' % (name, value))
196 if lvals: 204 if lvals:
197 lvals = ', '.join(lvals) 205 lvals = ', '.join(lvals)
198 lvals = indent + '<small><font color="#909090">%s'\ 206 lvals = indent + '<small><font color="#909090">%s'\
199 '</font></small><br>'%lvals 207 '</font></small><br>' % lvals
200 else: 208 else:
201 lvals = '' 209 lvals = ''
202 210
203 excerpt = [] 211 excerpt = []
204 i = lnum - index 212 i = lnum - index
224 value = pydoc.html.repr(getattr(evalue, name)) 232 value = pydoc.html.repr(getattr(evalue, name))
225 attribs.append('<br>%s%s&nbsp;= %s' % (indent, name, value)) 233 attribs.append('<br>%s%s&nbsp;= %s' % (indent, name, value))
226 234
227 return head + ' '.join(attribs) + ' '.join(traceback) + '<p>&nbsp;</p>' 235 return head + ' '.join(attribs) + ' '.join(traceback) + '<p>&nbsp;</p>'
228 236
237
229 def handler(): 238 def handler():
230 print(breaker()) 239 print(breaker())
231 print(html()) 240 print(html())
232 241
233 # vim: set filetype=python ts=4 sw=4 et si : 242 # vim: set filetype=python ts=4 sw=4 et si :
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