--- a/_gcdebug.py Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,112 +0,0 @@
-# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of CubicWeb.
-#
-# CubicWeb is free software: you can redistribute it and/or modify it under the
-# terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 2.1 of the License, or (at your option)
-# any later version.
-#
-# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
-from __future__ import print_function
-
-import gc, types, weakref
-
-from cubicweb.schema import CubicWebRelationSchema, CubicWebEntitySchema
-try:
- from cubicweb.web.request import _NeedAuthAccessMock
-except ImportError:
- _NeedAuthAccessMock = None
-
-listiterator = type(iter([]))
-
-IGNORE_CLASSES = (
- type, tuple, dict, list, set, frozenset, type(len),
- weakref.ref, weakref.WeakKeyDictionary,
- listiterator,
- property, classmethod,
- types.ModuleType, types.FunctionType, types.MethodType,
- types.MemberDescriptorType, types.GetSetDescriptorType,
- )
-if _NeedAuthAccessMock is not None:
- IGNORE_CLASSES = IGNORE_CLASSES + (_NeedAuthAccessMock,)
-
-def _get_counted_class(obj, classes):
- for cls in classes:
- if isinstance(obj, cls):
- return cls
- raise AssertionError()
-
-def gc_info(countclasses,
- ignoreclasses=IGNORE_CLASSES,
- viewreferrersclasses=(), showobjs=False, maxlevel=1):
- gc.collect()
- gc.collect()
- counters = {}
- ocounters = {}
- for obj in gc.get_objects():
- if isinstance(obj, countclasses):
- cls = _get_counted_class(obj, countclasses)
- try:
- counters[cls.__name__] += 1
- except KeyError:
- counters[cls.__name__] = 1
- elif not isinstance(obj, ignoreclasses):
- try:
- key = '%s.%s' % (obj.__class__.__module__,
- obj.__class__.__name__)
- except AttributeError:
- key = str(obj)
- try:
- ocounters[key] += 1
- except KeyError:
- ocounters[key] = 1
- if isinstance(obj, viewreferrersclasses):
- print(' ', obj, referrers(obj, showobjs, maxlevel))
- garbage = [repr(obj) for obj in gc.garbage]
- return counters, ocounters, garbage
-
-
-def referrers(obj, showobj=False, maxlevel=1):
- objreferrers = _referrers(obj, maxlevel)
- try:
- return sorted(set((type(x), showobj and x or getattr(x, '__name__', '%#x' % id(x)))
- for x in objreferrers))
- except TypeError:
- s = set()
- unhashable = []
- for x in objreferrers:
- try:
- s.add(x)
- except TypeError:
- unhashable.append(x)
- return sorted(s) + unhashable
-
-def _referrers(obj, maxlevel, _seen=None, _level=0):
- interesting = []
- if _seen is None:
- _seen = set()
- for x in gc.get_referrers(obj):
- if id(x) in _seen:
- continue
- _seen.add(id(x))
- if isinstance(x, types.FrameType):
- continue
- if isinstance(x, (CubicWebRelationSchema, CubicWebEntitySchema)):
- continue
- if isinstance(x, (list, tuple, set, dict, listiterator)):
- if _level >= maxlevel:
- pass
- #interesting.append(x)
- else:
- interesting += _referrers(x, maxlevel, _seen, _level+1)
- else:
- interesting.append(x)
- return interesting