mirror of
https://github.com/python/cpython.git
synced 2024-11-24 00:38:00 +01:00
58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
|
# Format and print Python stack traces
|
||
|
|
||
|
import linecache
|
||
|
import string
|
||
|
import sys
|
||
|
|
||
|
def print_tb(tb, limit = None):
|
||
|
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 "%s", line %d, in %s' % (filename, lineno, name)
|
||
|
line = linecache.getline(filename, lineno)
|
||
|
if line: print ' ' + string.strip(line)
|
||
|
tb = tb.tb_next
|
||
|
n = n+1
|
||
|
|
||
|
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(type, value, tb, limit = None):
|
||
|
print 'Traceback (innermost last):'
|
||
|
print_tb(tb, limit)
|
||
|
print type,
|
||
|
if value is not None: print ':', value,
|
||
|
print
|
||
|
|
||
|
def print_exc(limit = None):
|
||
|
print_exception(sys.exc_type, sys.exc_value, sys.exc_traceback,
|
||
|
limit)
|
||
|
|
||
|
def print_last(limit = None):
|
||
|
print_exception(sys.last_type, sys.last_value, sys.last_traceback,
|
||
|
limit)
|