Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_future5.py @ 87690:66c1c9f32567 default tip

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Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents 83ae10bf608c
children
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1 # Check that multiple features can be enabled.
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2 from __future__ import unicode_literals, print_function
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3
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4 import sys
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5 import unittest
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c5fca67a7e8c Issue #12408: Fix relative import in test_future5.py. Thanks Cesare Di Mauro.
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6 from test import support
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9 class TestMultipleFeatures(unittest.TestCase):
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11 def test_unicode_literals(self):
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12 self.assertIsInstance("", str)
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13
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14 def test_print_function(self):
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15 with support.captured_output("stderr") as s:
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16 print("foo", file=sys.stderr)
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17 self.assertEqual(s.getvalue(), "foo\n")
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83ae10bf608c #17303: test_future* now work with unittest test discovery. Patch by Zachary Ware.
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20 if __name__ == '__main__':
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21 unittest.main()