openstack/stevedore
Code Issues Proposed changes

extension: add entry_point_names method

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This allows to get the list of valid entry points names declared for a
namespace, without loading them.

Change-Id: If9132edc14c2772732fd4ec0dc5dc3ebc4a56b3c
This commit is contained in:
Julien Danjou 2017-01-13 15:44:30 +01:00
parent eb04fc4a3e
commit 6d56b58e22
2 changed files with 11 additions and 0 deletions
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5
stevedore/extension.py
View File

@ -13,6 +13,7 @@
"""ExtensionManager """ExtensionManager
""" """
import operator
import pkg_resources import pkg_resources
import logging import logging
@ -168,6 +169,10 @@ class ExtensionManager(object):
self.ENTRY_POINT_CACHE[self.namespace] = eps self.ENTRY_POINT_CACHE[self.namespace] = eps
return self.ENTRY_POINT_CACHE[self.namespace] return self.ENTRY_POINT_CACHE[self.namespace]
def entry_points_names(self):
"""Return the list of entry points names for this namespace."""
return list(map(operator.attrgetter("name"), self.list_entry_points()))
def _load_plugins(self, invoke_on_load, invoke_args, invoke_kwds, def _load_plugins(self, invoke_on_load, invoke_args, invoke_kwds,
verify_requirements): verify_requirements):
extensions = [] extensions = []

6
stevedore/tests/test_extension.py
View File

@ -58,6 +58,12 @@ class TestCallback(utils.TestCase):
set(map(operator.attrgetter("name"), n))) set(map(operator.attrgetter("name"), n)))
self.assertEqual(4, len(n)) self.assertEqual(4, len(n))
def test_list_entry_points_names(self):
em = extension.ExtensionManager('stevedore.test.extension')
names = em.entry_points_names()
self.assertEqual(set(['e1', 'e2', 't1', 't2']), set(names))
self.assertEqual(4, len(names))
def test_contains_by_name(self): def test_contains_by_name(self):
em = extension.ExtensionManager('stevedore.test.extension') em = extension.ExtensionManager('stevedore.test.extension')
self.assertEqual('t1' in em, True) self.assertEqual('t1' in em, True)