def __init__(self, python_package):
"""
Initialize the MigrationPackage to represent the Python migration package passed in.
:param python_package: The Python package this object should represent
:type python_package: package
"""
self._package = python_package
migration_tracker_manager = MigrationTrackerManager()
# This is an object representation of the DB object that keeps track of the migration
# version that has been applied
self._migration_tracker = migration_tracker_manager.get_or_create(
name=self.name, defaults={'version': 0})
# Calculate the latest available version
available_versions = self.available_versions
if available_versions:
self.latest_available_version = available_versions[-1]
else:
self.latest_available_version = 0
def setUp(self):
super(self.__class__, self).setUp()
self.mtm = MigrationTrackerManager()
