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()".
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index 25e9e93..be66f1f 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -57,21 +57,21 @@
def mode(self):
return self.prefix + self.suffix
-@support.requires_gzip
+@support.requires_gzip()
class GzipTest:
tarname = gzipname
suffix = 'gz'
open = gzip.GzipFile if gzip else None
taropen = tarfile.TarFile.gzopen
-@support.requires_bz2
+@support.requires_bz2()
class Bz2Test:
tarname = bz2name
suffix = 'bz2'
open = bz2.BZ2File if bz2 else None
taropen = tarfile.TarFile.bz2open
-@support.requires_lzma
+@support.requires_lzma()
class LzmaTest:
tarname = xzname
suffix = 'xz'