bpo-40275: More lazy imports in test.support (GH-20131)

Make the the following imports lazy in test.support:

* bz2
* gzip
* lzma
* resource
* zlib

The following test.support decorators now need to be called
with parenthesis:

* @support.requires_bz2
* @support.requires_gzip
* @support.requires_lzma
* @support.requires_zlib

For example, "@requires_zlib" becomes "@requires_zlib()".
This commit is contained in:
Hai Shi 2020-05-19 06:02:57 +08:00 committed by GitHub
parent ced4e5c227
commit a3ec3ad9e2
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10 changed files with 81 additions and 77 deletions

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@ -10,7 +10,7 @@ from importlib.resources import path
from test.support import requires_zlib
@requires_zlib
@requires_zlib()
class TestZip(unittest.TestCase):
root = 'test.test_importlib.data'
@ -50,7 +50,7 @@ class TestZip(unittest.TestCase):
assert '.whl/' in path, path
@requires_zlib
@requires_zlib()
class TestEgg(TestZip):
def setUp(self):
# Find the path to the example-*.egg so we can add it to the front of