def _wrap_logging_method(meth, level=None):
if not isinstance(meth, FunctionType):
func = meth.im_func
else:
func = meth
# We were patched for raven before
if getattr(func, '__patched_for_raven__', False):
return
if level is None:
args = ('level', 'msg')
fwd = 'level, msg'
else:
args = ('msg', )
fwd = '%d, msg' % level
code = get_code(func)
logging_srcfile = logging._srcfile
if logging_srcfile is None:
logging_srcfile = os.path.normpath(
logging.currentframe.__code__.co_filename)
# This requires a bit of explanation why we're doing this. Due to how
# logging itself works we need to pretend that the method actually was
# created within the logging module. There are a few ways to detect
# this and we fake all of them: we use the same function globals (the
# one from the logging module), we create it entirely there which
# means that also the filename is set correctly. This fools the
# detection code in logging and it makes logging itself skip past our
# code when determining the code location.
#
# Because we point the globals to the logging module we now need to
# refer to our own functions (original and the crumb recording
# function) through a closure instead of the global scope.
#
# We also add a lot of newlines in front of the code so that the
# code location lines up again in case someone runs inspect.getsource
# on the function.
ns = {}
eval(
compile(
'''%(offset)sif 1:
def factory(original, record_crumb):
def %(name)s(self, %(args)s, *args, **kwargs):
record_crumb(self, %(fwd)s, *args, **kwargs)
return original(self, %(args)s, *args, **kwargs)
return %(name)s
\n''' % {
'offset': '\n' * (code.co_firstlineno - 3),
'name': func.__name__,
'args': ', '.join(args),
'fwd': fwd,
'level': level,
}, logging_srcfile, 'exec'), logging.__dict__, ns)
new_func = ns['factory'](meth, _record_log_breadcrumb)
new_func.__doc__ = func.__doc__
assert code.co_firstlineno == get_code(func).co_firstlineno
# In theory this should already be set correctly, but in some cases
# it is not. So override it.
new_func.__module__ == func.__module__
new_func.__name__ == func.__name__
new_func.__patched_for_raven__ = True
return new_func
def _wrap_logging_method(meth, level=None):
if not isinstance(meth, FunctionType):
func = meth.im_func
else:
func = meth
# We were patched for raven before
if getattr(func, '__patched_for_raven__', False):
return
if level is None:
args = ('level', 'msg')
fwd = 'level, msg'
else:
args = ('msg',)
fwd = '%d, msg' % level
code = get_code(func)
logging_srcfile = logging._srcfile
if logging_srcfile is None:
logging_srcfile = os.path.normpath(
logging.currentframe.__code__.co_filename
)
# This requires a bit of explanation why we're doing this. Due to how
# logging itself works we need to pretend that the method actually was
# created within the logging module. There are a few ways to detect
# this and we fake all of them: we use the same function globals (the
# one from the logging module), we create it entirely there which
# means that also the filename is set correctly. This fools the
# detection code in logging and it makes logging itself skip past our
# code when determining the code location.
#
# Because we point the globals to the logging module we now need to
# refer to our own functions (original and the crumb recording
# function) through a closure instead of the global scope.
#
# We also add a lot of newlines in front of the code so that the
# code location lines up again in case someone runs inspect.getsource
# on the function.
ns = {}
eval(compile('''%(offset)sif 1:
def factory(original, record_crumb):
def %(name)s(self, %(args)s, *args, **kwargs):
record_crumb(self, %(fwd)s, *args, **kwargs)
return original(self, %(args)s, *args, **kwargs)
return %(name)s
\n''' % {
'offset': '\n' * (code.co_firstlineno - 3),
'name': func.__name__,
'args': ', '.join(args),
'fwd': fwd,
'level': level,
}, logging_srcfile, 'exec'), logging.__dict__, ns)
new_func = ns['factory'](meth, _record_log_breadcrumb)
new_func.__doc__ = func.__doc__
assert code.co_firstlineno == get_code(func).co_firstlineno
# In theory this should already be set correctly, but in some cases
# it is not. So override it.
new_func.__module__ == func.__module__
new_func.__name__ == func.__name__
new_func.__patched_for_raven__ = True
return new_func
