def test_toy_app(self):
a = Application()
a.finder.find()
a.get()
s = pickle.dumps(a)
b = pickle.loads(s)
with self.assertRaisesRegex(
AttributeError,
"'StringFinder' object has no attribute 'data'"):
b.get()
# Works fine.
c = VersionedUnpickler(io.BytesIO(s)).load()
c.get()
def load_project(pickle_filename, updater_path, application_version, protocol,
max_pass=-1):
""" Reads a project from a pickle file and if necessary will update it to
the latest version of the application.
"""
latest_file = pickle_filename
# Read the pickled project's metadata.
f = open(latest_file, 'rb')
metadata = VersionedUnpickler(f).load(max_pass)
f.close()
project_version = metadata.get('version', False)
if not project_version:
raise ValueError, "Could not read version number from the project file"
logger.debug('Project version: %d, Application version: %d' %
(project_version, application_version))
# here you can temporarily force an upgrade each time for testing ....
# project_version = 0
latest_file = upgrade_project(pickle_filename, updater_path,
project_version, application_version, protocol,
max_pass)
# Finally we can import the project ...
logger.info('loading %s' % latest_file)
i_f = open(latest_file, 'rb')
version = VersionedUnpickler(i_f).load(max_pass)
project = VersionedUnpickler(i_f).load(max_pass)
i_f.close()
return project
def load_project(pickle_filename, updater_path, application_version, protocol,
max_pass=-1):
""" Reads a project from a pickle file and if necessary will update it to
the latest version of the application.
"""
latest_file = pickle_filename
# Read the pickled project's metadata.
f = open(latest_file, 'rb')
metadata = VersionedUnpickler(f).load(max_pass)
f.close()
project_version = metadata.get('version', False)
if not project_version:
raise ValueError("Could not read version number from the project file")
logger.debug('Project version: %d, Application version: %d' %
(project_version, application_version))
# here you can temporarily force an upgrade each time for testing ....
# project_version = 0
latest_file = upgrade_project(pickle_filename, updater_path,
project_version, application_version, protocol,
max_pass)
# Finally we can import the project ...
logger.info('loading %s' % latest_file)
i_f = open(latest_file, 'rb')
version = VersionedUnpickler(i_f).load(max_pass)
project = VersionedUnpickler(i_f).load(max_pass)
i_f.close()
return project
