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Refs #23919 -- Removed __traceback__ setting needed for Python 2. 

Partially reverted refs #25761 and refs #16245.
This commit is contained in:
Tim Graham 2017-01-24 08:31:58 -05:00 committed by GitHub
parent e5c2e43cc8
commit 435e4bf38e
2 changed files with 1 additions and 7 deletions
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2
django/db/utils.py
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@ -83,8 +83,6 @@ class DatabaseErrorWrapper:
if issubclass(exc_type, db_exc_type): if issubclass(exc_type, db_exc_type):
dj_exc_value = dj_exc_type(*exc_value.args) dj_exc_value = dj_exc_type(*exc_value.args)
dj_exc_value.__cause__ = exc_value dj_exc_value.__cause__ = exc_value
if not hasattr(exc_value, '__traceback__'):
exc_value.__traceback__ = traceback
# Only set the 'errors_occurred' flag for errors that may make # Only set the 'errors_occurred' flag for errors that may make
# the connection unusable. # the connection unusable.
if dj_exc_type not in (DataError, IntegrityError): if dj_exc_type not in (DataError, IntegrityError):

6
django/dispatch/dispatcher.py
View File

@ -1,4 +1,3 @@
import sys
import threading import threading
import weakref import weakref
@ -200,8 +199,7 @@ class Signal:
If any receiver raises an error (specifically any subclass of If any receiver raises an error (specifically any subclass of
Exception), the error instance is returned as the result for that Exception), the error instance is returned as the result for that
receiver. The traceback is always attached to the error at receiver.
``__traceback__``.
""" """
if not self.receivers or self.sender_receivers_cache.get(sender) is NO_RECEIVERS: if not self.receivers or self.sender_receivers_cache.get(sender) is NO_RECEIVERS:
return [] return []
@ -213,8 +211,6 @@ class Signal:
try: try:
response = receiver(signal=self, sender=sender, **named) response = receiver(signal=self, sender=sender, **named)
except Exception as err: except Exception as err:
if not hasattr(err, '__traceback__'):
err.__traceback__ = sys.exc_info()[2]
responses.append((receiver, err)) responses.append((receiver, err))
else: else:
responses.append((receiver, response)) responses.append((receiver, response))