def print_tb(tb, limit=None, file=None):
"""Print up to 'limit' stack trace entries from the traceback 'tb'.
If 'limit' is omitted or None, all entries are printed. If 'file'
is omitted or None, the output goes to sys.stderr; otherwise
'file' should be an open file or file-like object with a write()
method.
"""
if file is None:
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
traceback._print(file,
' File "%s", line %d, in %s' % (filename,lineno,name))
linecache.checkcache(filename)
line = linecache.getline(filename, lineno, {})#f.f_globals)
if line: traceback._print(file, ' ' + line.strip())
tb = tb.tb_next
n = n+1
def print_tb(tb, limit=None, file=None):
"""Print up to 'limit' stack trace entries from the traceback 'tb'.
If 'limit' is omitted or None, all entries are printed. If 'file'
is omitted or None, the output goes to sys.stderr; otherwise
'file' should be an open file or file-like object with a write()
method.
"""
if file is None:
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
traceback._print(
file, ' File "%s", line %d, in %s' % (filename, lineno, name))
linecache.checkcache(filename)
line = linecache.getline(filename, lineno, {}) #f.f_globals)
if line: traceback._print(file, ' ' + line.strip())
tb = tb.tb_next
n = n + 1
def print_exception(etype, value, tb, limit=None, file=None):
"""As traceback.print_exception, but include local variable information."""
if not file:
file = sys.stderr
# endif
lines = format_exception(etype, value, tb, limit)
for line in lines:
traceback._print(file, line, '')
def print_exception(etype, value, tb, limit=None, file=None):
# Build the exception chain.
chain = deque()
cause = value
while True:
cause = cause.__dict__.get('__cause__', None)
if cause is None:
break
chain.appendleft(cause)
# Print the exception chain.
for cause in chain:
_print_exception(type(cause), cause,
cause.__dict__.get('__traceback__', None), limit, file)
traceback._print(file, '\nThe above exception was the direct '
'cause of the following exception:\n')
_print_exception(etype, value, tb, limit, file)
def print_exception(etype, value, tb, limit=None, file=None):
# Build the exception chain.
chain = deque()
cause = value
while True:
cause = cause.__dict__.get('__cause__', None)
if cause is None:
break
chain.appendleft(cause)
# Print the exception chain.
for cause in chain:
_print_exception(type(cause), cause,
cause.__dict__.get('__traceback__', None), limit,
file)
traceback._print(
file, '\nThe above exception was the direct '
'cause of the following exception:\n')
_print_exception(etype, value, tb, limit, file)
def _wrap(*args, **kwargs):
_kwargs = {} # The args we will send via the signal
# Update the _kwargs with the kwargs sent to our function
_kwargs.update(kwargs)
# Go through each argument name and update the _kwargs with
# the arguments passed to our function.
for i, k in enumerate(argnames):
if i < len(args):
_kwargs[k] = args[i]
try:
self.events["pre_%s" % name].send(sender=self, **_kwargs)
_kwargs["return_"] = fn(*args, **kwargs)
self.events["post_%s" % name].send(sender=self, **_kwargs)
except TypeError, e:
traceback.print_exc()
traceback._print(sys.stderr, e.message)
traceback._print(
sys.stderr,
"Ensure that the function that is "
"catching the signal has the same exact signature "
"(meaning, same names of parameters) as the "
"function sending the signal",
)
