1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
# Format and print Python stack traces
import linecache
import string
import sys
import types
def _print(file, str='', terminator='\n'):
file.write(str+terminator)
def print_list(extracted_list, file=None):
if not file:
file = sys.stderr
for filename, lineno, name, line in extracted_list:
_print(file,
' File "%s", line %d, in %s' % (filename,lineno,name))
if line:
_print(file, ' %s' % string.strip(line))
def format_list(extracted_list):
list = []
for filename, lineno, name, line in extracted_list:
item = ' File "%s", line %d, in %s\n' % (filename,lineno,name)
if line:
item = item + ' %s\n' % string.strip(line)
list.append(item)
return list
def print_tb(tb, limit=None, file=None):
if not file:
file = sys.stderr
if limit is None:
if hasattr(sys, 'tracebacklimit'):
limit = sys.tracebacklimit
n = 0
while tb is not None and (limit is None or n < limit):
f = tb.tb_frame
lineno = tb.tb_lineno
co = f.f_code
filename = co.co_filename
name = co.co_name
_print(file,
' File "%s", line %d, in %s' % (filename,lineno,name))
line = linecache.getline(filename, lineno)
if line: _print(file, ' ' + string.strip(line))
tb = tb.tb_next
n = n+1
def format_tb(tb, limit = None):
return format_list(extract_tb(tb, limit))
def extract_tb(tb, limit = None):
if limit is None:
if hasattr(sys, 'tracebacklimit'):
limit = sys.tracebacklimit
list = []
n = 0
while tb is not None and (limit is None or n < limit):
f = tb.tb_frame
lineno = tb.tb_lineno
co = f.f_code
filename = co.co_filename
name = co.co_name
line = linecache.getline(filename, lineno)
if line: line = string.strip(line)
else: line = None
list.append((filename, lineno, name, line))
tb = tb.tb_next
n = n+1
return list
def print_exception(etype, value, tb, limit=None, file=None):
if not file:
file = sys.stderr
if tb:
_print(file, 'Traceback (innermost last):')
print_tb(tb, limit, file)
lines = format_exception_only(etype, value)
for line in lines[:-1]:
_print(file, line, ' ')
_print(file, lines[-1], '')
def format_exception(etype, value, tb, limit = None):
if tb:
list = ['Traceback (innermost last):\n']
list = list + format_tb(tb, limit)
list = list + format_exception_only(etype, value)
return list
def format_exception_only(etype, value):
list = []
if type(etype) == types.ClassType:
stype = etype.__name__
else:
stype = etype
if value is None:
list.append(str(stype) + '\n')
else:
if etype is SyntaxError:
try:
msg, (filename, lineno, offset, line) = value
except:
pass
else:
if not filename: filename = "<string>"
list.append(' File "%s", line %d\n' %
(filename, lineno))
i = 0
while i < len(line) and \
line[i] in string.whitespace:
i = i+1
list.append(' %s\n' % string.strip(line))
s = ' '
for c in line[i:offset-1]:
if c in string.whitespace:
s = s + c
else:
s = s + ' '
list.append('%s^\n' % s)
value = msg
list.append('%s: %s\n' % (str(stype), str(value)))
return list
def print_exc(limit=None, file=None):
if not file:
file = sys.stderr
print_exception(sys.exc_type, sys.exc_value, sys.exc_traceback,
limit, file)
def print_last(limit=None, file=None):
if not file:
file = sys.stderr
print_exception(sys.last_type, sys.last_value, sys.last_traceback,
limit, file)
def print_stack(f=None, limit=None, file=None):
if f is None:
try:
raise ZeroDivisionError
except ZeroDivisionError:
tb = sys.exc_traceback
f = tb.tb_frame.f_back
print_list(extract_stack(f, limit), file)
def format_stack(f=None, limit=None):
if f is None:
try:
raise ZeroDivisionError
except ZeroDivisionError:
tb = sys.exc_traceback
f = tb.tb_frame.f_back
return format_list(extract_stack(t, limit))
def extract_stack(f=None, limit = None):
if f is None:
try:
raise ZeroDivisionError
except ZeroDivisionError:
tb = sys.exc_traceback
f = tb.tb_frame.f_back
if limit is None:
if hasattr(sys, 'tracebacklimit'):
limit = sys.tracebacklimit
list = []
n = 0
while f is not None and (limit is None or n < limit):
lineno = f.f_lineno
co = f.f_code
filename = co.co_filename
name = co.co_name
line = linecache.getline(filename, lineno)
if line: line = string.strip(line)
else: line = None
list.append((filename, lineno, name, line))
f = f.f_back
n = n+1
list.reverse()
return list
|
