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Fix exception causes in relations.py

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Ram Rachum 2020-06-12 23:23:28 +03:00 committed by GitHub
parent b677b7b15d
commit e943e64914
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1 changed files with 6 additions and 6 deletions
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12
rest_framework/relations.py
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@ -308,12 +308,12 @@ class HyperlinkedRelatedField(RelatedField):
try: try:
return queryset.get(**lookup_kwargs) return queryset.get(**lookup_kwargs)
except ValueError: except ValueError as e:
exc = ObjectValueError(str(sys.exc_info()[1])) exc = ObjectValueError(str(sys.exc_info()[1]))
raise exc.with_traceback(sys.exc_info()[2]) raise exc.with_traceback(sys.exc_info()[2]) from e
except TypeError: except TypeError as e:
exc = ObjectTypeError(str(sys.exc_info()[1])) exc = ObjectTypeError(str(sys.exc_info()[1]))
raise exc.with_traceback(sys.exc_info()[2]) raise exc.with_traceback(sys.exc_info()[2]) from e
def get_url(self, obj, view_name, request, format): def get_url(self, obj, view_name, request, format):
""" """
@ -391,7 +391,7 @@ class HyperlinkedRelatedField(RelatedField):
# Return the hyperlink, or error if incorrectly configured. # Return the hyperlink, or error if incorrectly configured.
try: try:
url = self.get_url(value, self.view_name, request, format) url = self.get_url(value, self.view_name, request, format)
except NoReverseMatch: except NoReverseMatch as e:
msg = ( msg = (
'Could not resolve URL for hyperlinked relationship using ' 'Could not resolve URL for hyperlinked relationship using '
'view name "%s". You may have failed to include the related ' 'view name "%s". You may have failed to include the related '
@ -405,7 +405,7 @@ class HyperlinkedRelatedField(RelatedField):
"was %s, which may be why it didn't match any " "was %s, which may be why it didn't match any "
"entries in your URL conf." % value_string "entries in your URL conf." % value_string
) )
raise ImproperlyConfigured(msg % self.view_name) raise ImproperlyConfigured(msg % self.view_name) from e
if url is None: if url is None:
return None return None