def check_removal(self, module_name, optional=False):
"""Make sure the specified module, when imported, raises a
DeprecationWarning and specifies itself in the message."""
if module_name in sys.modules:
mod = sys.modules[module_name]
filename = getattr(mod, '__file__', '')
mod = None
# the module is not implemented in C?
if not filename.endswith(('.py', '.pyc', '.pyo')):
# Issue #23375: If the module was already loaded, reimporting
# the module will not emit again the warning. The warning is
# emited when the module is loaded, but C modules cannot
# unloaded.
if test_support.verbose:
print(
"Cannot test the Python 3 DeprecationWarning of the "
"%s module, the C module is already loaded" %
module_name)
return
with CleanImport(module_name), warnings.catch_warnings():
warnings.filterwarnings("error", ".+ (module|package) .+ removed",
DeprecationWarning, __name__)
warnings.filterwarnings("error", ".+ removed .+ (module|package)",
DeprecationWarning, __name__)
try:
__import__(module_name, level=0)
except DeprecationWarning as exc:
self.assertIn(
module_name, exc.args[0],
"%s warning didn't contain module name" % module_name)
except ImportError:
if not optional:
self.fail("Non-optional module {0} raised an "
"ImportError.".format(module_name))
else:
# For extension modules, check the __warningregistry__.
# They won't rerun their init code even with CleanImport.
if not check_deprecated_module(module_name):
self.fail("DeprecationWarning not raised for {0}".format(
module_name))
def check_removal(self, module_name, optional=False):
"""Make sure the specified module, when imported, raises a
DeprecationWarning and specifies itself in the message."""
with nested(CleanImport(module_name), warnings.catch_warnings()):
# XXX: This is not quite enough for extension modules - those
# won't rerun their init code even with CleanImport.
# You can see this easily by running the whole test suite with -3
warnings.filterwarnings("error", ".+ removed", DeprecationWarning,
__name__)
try:
__import__(module_name, level=0)
except DeprecationWarning as exc:
self.assert_(
module_name in exc.args[0],
"%s warning didn't contain module name" % module_name)
except ImportError:
if not optional:
self.fail("Non-optional module {0} raised an "
"ImportError.".format(module_name))
else:
self.fail("DeprecationWarning not raised for {0}".format(
module_name))
def check_removal(self, module_name, optional=False):
"""Make sure the specified module, when imported, raises a
DeprecationWarning and specifies itself in the message."""
with CleanImport(module_name), warnings.catch_warnings():
warnings.filterwarnings("error", ".+ (module|package) .+ removed",
DeprecationWarning, __name__)
warnings.filterwarnings("error", ".+ removed .+ (module|package)",
DeprecationWarning, __name__)
try:
__import__(module_name, level=0)
except DeprecationWarning as exc:
self.assertIn(
module_name, exc.args[0],
"%s warning didn't contain module name" % module_name)
except ImportError:
if not optional:
self.fail("Non-optional module {0} raised an "
"ImportError.".format(module_name))
else:
# For extension modules, check the __warningregistry__.
# They won't rerun their init code even with CleanImport.
if not check_deprecated_module(module_name):
self.fail("DeprecationWarning not raised for {0}".format(
module_name))