Current File : //opt/cloudlinux/venv/lib/python3.11/site-packages/raven/utils/serializer/manager.py
"""
raven.utils.serializer.manager
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
:copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details.
:license: BSD, see LICENSE for more details.
"""
from __future__ import absolute_import
import logging
from contextlib import closing
from raven.utils.compat import text_type
__all__ = ('register', 'transform')
logger = logging.getLogger('sentry.errors.serializer')
class SerializationManager(object):
logger = logger
def __init__(self):
self.__registry = []
self.__serializers = {}
@property
def serializers(self):
# XXX: Would serializers ever need state that we shouldn't cache them?
for serializer in self.__registry:
yield serializer
def register(self, serializer):
if serializer not in self.__registry:
self.__registry.append(serializer)
return serializer
class Serializer(object):
logger = logger
def __init__(self, manager):
self.manager = manager
self.context = set()
self.serializers = []
for serializer in manager.serializers:
self.serializers.append(serializer(self))
def close(self):
del self.serializers
del self.context
def transform(self, value, **kwargs):
"""
Primary function which handles recursively transforming
values via their serializers
"""
if value is None:
return None
objid = id(value)
if objid in self.context:
return '<...>'
self.context.add(objid)
try:
for serializer in self.serializers:
try:
if serializer.can(value):
return serializer.serialize(value, **kwargs)
except Exception as e:
logger.exception(e)
return text_type(type(value))
# if all else fails, lets use the repr of the object
try:
return repr(value)
except Exception as e:
logger.exception(e)
# It's common case that a model's __unicode__ definition
# may try to query the database which if it was not
# cleaned up correctly, would hit a transaction aborted
# exception
return text_type(type(value))
finally:
self.context.remove(objid)
manager = SerializationManager()
register = manager.register
def transform(value, manager=manager, **kwargs):
with closing(Serializer(manager)) as serializer:
return serializer.transform(value, **kwargs)
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