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# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
#
# gst-python - Python bindings for GStreamer
# Copyright (C) 2002 David I. Lehn
# Copyright (C) 2004 Johan Dahlin
# Copyright (C) 2005 Edward Hervey
#
# This library 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.
#
# This library 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 this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
try:
from dl import RTLD_LAZY, RTLD_GLOBAL
except ImportError:
# dl doesn't seem to be available on 64bit systems
try:
from DLFCN import RTLD_LAZY, RTLD_GLOBAL
except ImportError:
pass
import os
import sys
import gc
import unittest
import pygtk
pygtk.require('2.0')
import gobject
try:
gobject.threads_init()
except:
print "WARNING: gobject doesn't have threads_init, no threadsafety"
# Detect the version of pygobject
# In pygobject >= 2.13.0 the refcounting of objects has changed.
pgmaj,pgmin,pgmac = gobject.pygobject_version
if pgmaj >= 2 and pgmin >= 13:
pygobject_2_13 = True
else:
pygobject_2_13 = False
# Don't insert before .
# sys.path.insert(1, os.path.join('..'))
# Load GST and make sure we load it from the current build
sys.setdlopenflags(RTLD_LAZY | RTLD_GLOBAL)
topbuilddir = os.path.abspath(os.path.join('..'))
topsrcdir = os.path.abspath(os.path.join('..'))
if topsrcdir.endswith('_build'):
topsrcdir = os.path.dirname(topsrcdir)
# gst's __init__.py is in topsrcdir/gst
path = os.path.abspath(os.path.join(topsrcdir, 'gst'))
import gst
file = gst.__file__
assert file.startswith(path), 'bad gst path: %s' % file
# gst's interfaces is in topbuilddir/gst
path = os.path.abspath(os.path.join(topbuilddir, 'gst'))
try:
import gst.interfaces
except ImportError:
# hack: we import it from our builddir/gst/.libs instead; ugly
import interfaces
gst.interfaces = interfaces
file = gst.interfaces.__file__
assert file.startswith(path), 'bad gst.interfaces path: %s' % file
# gst's tags is in topbuilddir/gst
path = os.path.abspath(os.path.join(topbuilddir, 'gst'))
try:
import gst.tag
except ImportError:
# hack: we import it from our builddir/gst/.libs instead; ugly
import tag
gst.tag = tag
file = gst.tag.__file__
assert file.startswith(path), 'bad gst.tag path: %s' % file
# gst's pbutils is in topbuilddir/gst
path = os.path.abspath(os.path.join(topbuilddir, 'gst'))
try:
import gst.pbutils
except ImportError:
# hack: we import it from our builddir/gst/.libs instead; ugly
import pbutils
gst.pbutils = pbutils
file = gst.pbutils.__file__
assert file.startswith(path), 'bad gst.pbutils path: %s' % file
# testhelper needs gstlibtoolimporter
import gstlibtoolimporter
gstlibtoolimporter.install()
import testhelper
gstlibtoolimporter.uninstall()
_stderr = None
def disable_stderr():
global _stderr
_stderr = file('/tmp/stderr', 'w+')
sys.stderr = os.fdopen(os.dup(2), 'w')
os.close(2)
os.dup(_stderr.fileno())
def enable_stderr():
global _stderr
os.close(2)
os.dup(sys.stderr.fileno())
_stderr.seek(0, 0)
data = _stderr.read()
_stderr.close()
os.remove('/tmp/stderr')
return data
def run_silent(function, *args, **kwargs):
disable_stderr()
try:
function(*args, **kwargs)
except Exception, exc:
enable_stderr()
raise exc
output = enable_stderr()
return output
class TestCase(unittest.TestCase):
_types = [gst.Object, gst.MiniObject]
def gccollect(self):
# run the garbage collector
ret = 0
gst.debug('garbage collecting')
while True:
c = gc.collect()
ret += c
if c == 0: break
gst.debug('done garbage collecting, %d objects' % ret)
return ret
def gctrack(self):
# store all gst objects in the gc in a tracking dict
# call before doing any allocation in your test, from setUp
gst.debug('tracking gc GstObjects for types %r' % self._types)
self.gccollect()
self._tracked = {}
for c in self._types:
self._tracked[c] = [o for o in gc.get_objects() if isinstance(o, c)]
def gcverify(self):
# verify no new gst objects got added to the gc
# call after doing all cleanup in your test, from tearDown
gst.debug('verifying gc GstObjects for types %r' % self._types)
new = []
for c in self._types:
objs = [o for o in gc.get_objects() if isinstance(o, c)]
new.extend([o for o in objs if o not in self._tracked[c]])
self.failIf(new, new)
#self.failIf(new, ["%r:%d" % (type(o), id(o)) for o in new])
del self._tracked
def setUp(self):
"""
Override me by chaining up to me at the start of your setUp.
"""
# Using private variables is BAD ! this variable changed name in
# python 2.5
try:
methodName = self.__testMethodName
except:
methodName = self._testMethodName
gst.debug('%s.%s' % (self.__class__.__name__, methodName))
self.gctrack()
def tearDown(self):
"""
Override me by chaining up to me at the end of your tearDown.
"""
# Using private variables is BAD ! this variable changed name in
# python 2.5
try:
methodName = self.__testMethodName
except:
methodName = self._testMethodName
gst.debug('%s.%s' % (self.__class__.__name__, methodName))
self.gccollect()
self.gcverify()
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