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author | Victor Stinner <victor.stinner@gmail.com> | 2013-08-23 19:23:42 +0200 |
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committer | Victor Stinner <victor.stinner@gmail.com> | 2013-08-23 19:23:42 +0200 |
commit | 643ea2dd1185d2dfd60f297410f49f78a4ae8015 (patch) | |
tree | 5e4ffe30a57739adb60da1cfcff0ac9f3eddf810 | |
parent | d6b91574b271df45c051e7a99fe06e848b223a1d (diff) | |
parent | 7549e8f6529ab47e84253442819f40e4f092b679 (diff) | |
download | cpython-643ea2dd1185d2dfd60f297410f49f78a4ae8015.tar.gz |
(Merge 3.3) Close #17702: On error, os.environb now removes suppress the except
context when raising a new KeyError with the original key.
-rw-r--r-- | Lib/os.py | 4 | ||||
-rw-r--r-- | Lib/test/test_os.py | 3 | ||||
-rw-r--r-- | Misc/NEWS | 3 |
3 files changed, 8 insertions, 2 deletions
@@ -648,7 +648,7 @@ class _Environ(MutableMapping): value = self._data[self.encodekey(key)] except KeyError: # raise KeyError with the original key value - raise KeyError(key) + raise KeyError(key) from None return self.decodevalue(value) def __setitem__(self, key, value): @@ -664,7 +664,7 @@ class _Environ(MutableMapping): del self._data[encodedkey] except KeyError: # raise KeyError with the original key value - raise KeyError(key) + raise KeyError(key) from None def __iter__(self): for key in self._data: diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py index b7796b5607..a4be0bb1a6 100644 --- a/Lib/test/test_os.py +++ b/Lib/test/test_os.py @@ -646,10 +646,13 @@ class EnvironTests(mapping_tests.BasicTestMappingProtocol): with self.assertRaises(KeyError) as cm: os.environ[missing] self.assertIs(cm.exception.args[0], missing) + self.assertTrue(cm.exception.__suppress_context__) with self.assertRaises(KeyError) as cm: del os.environ[missing] self.assertIs(cm.exception.args[0], missing) + self.assertTrue(cm.exception.__suppress_context__) + class WalkTests(unittest.TestCase): """Tests for os.walk().""" @@ -38,6 +38,9 @@ Core and Builtins Library ------- +- Issue #17702: On error, os.environb now removes suppress the except context + when raising a new KeyError with the original key. + - Issue #16809: Fixed some tkinter incompabilities with Tcl/Tk 8.6. - Issue #16809: Tkinter's splitlist() and split() methods now accept Tcl_Obj |