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- """
- Bootstrapper for nose/pytest plugins.
- The entire rationale for this system is to get the modules in plugin/
- imported without importing all of the supporting library, so that we can
- set up things for testing before coverage starts.
- The rationale for all of plugin/ being *in* the supporting library in the
- first place is so that the testing and plugin suite is available to other
- libraries, mainly external SQLAlchemy and Alembic dialects, to make use
- of the same test environment and standard suites available to
- SQLAlchemy/Alembic themselves without the need to ship/install a separate
- package outside of SQLAlchemy.
- NOTE: copied/adapted from SQLAlchemy master for backwards compatibility;
- this should be removable when Alembic targets SQLAlchemy 1.0.0.
- """
- import os
- import sys
- bootstrap_file = locals()['bootstrap_file']
- to_bootstrap = locals()['to_bootstrap']
- def load_file_as_module(name):
- path = os.path.join(os.path.dirname(bootstrap_file), "%s.py" % name)
- if sys.version_info >= (3, 3):
- from importlib import machinery
- mod = machinery.SourceFileLoader(name, path).load_module()
- else:
- import imp
- mod = imp.load_source(name, path)
- return mod
- if to_bootstrap == "pytest":
- sys.modules["sqla_plugin_base"] = load_file_as_module("plugin_base")
- sys.modules["sqla_pytestplugin"] = load_file_as_module("pytestplugin")
- elif to_bootstrap == "nose":
- sys.modules["sqla_plugin_base"] = load_file_as_module("plugin_base")
- sys.modules["sqla_noseplugin"] = load_file_as_module("noseplugin")
- else:
- raise Exception("unknown bootstrap: %s" % to_bootstrap) # noqa
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