segfault inside the _pickle C extension.

segfault inside the _pickle C extension.

any bytes-like object, e.g. memoryview. Original patch by Jonas Borgström.

Patch by Tal Einat, Roget Serwy, and Todd Rovito.

Patch by Tal Einat, Roget Serwy, and Todd Rovito.

Also change private dict used as a set to a set.

Closes #18224: Removed pydoc script from created venv, as it causes problems on Windows and adds no value over and above python -m pydoc ...

Issue #18224: Removed pydoc script from created venv, as it causes problems on Windows and adds no value over and above python -m pydoc ...

Idle code already uses x.delegate instead of x.getdelegate().
The printed report must have been for testing.

Brett already fixed this in 3.4 in 4f7c25ab2ed2.

Patch by Vajrasky Kok, with slight modification to the tests by me.

u can be NULL, use XDECREF

CID 983309 (#1 of 1): Resource leak (RESOURCE_LEAK)
leaked_storage: Variable unicode_str going out of scope leaks the storage it points to.

CID 983315: Resource leak (RESOURCE_LEAK)
CID 983316: Resource leak (RESOURCE_LEAK)
CID 983317: Resource leak (RESOURCE_LEAK)

CID 983319 (#1 of 2): Resource leak (RESOURCE_LEAK)
leaked_storage: Variable substring going out of scope leaks the storage it points to.

CID 983320: Resource leak (RESOURCE_LEAK)
CID 983321: Resource leak (RESOURCE_LEAK)
leaked_storage: Variable substring going out of scope leaks the storage it points to.

CID 1028068 (#1 of 1): Resource leak (RESOURCE_LEAK)
leaked_storage: Variable n going out of scope leaks the storage it points to.

CID 1040362 (#1 of 1): Explicit null dereferenced (FORWARD_NULL)
var_deref_op: Dereferencing null pointer _py_decref_tmp.

CID 1040367 (#1 of 1): Resource leak (RESOURCE_LEAK)
leaked_storage: Variable u going out of scope leaks the storage it points to.

CID 1040368 (#1 of 1): Resource leak (RESOURCE_LEAK)
leaked_storage: Variable substring going out of scope leaks the storage it points to.

replacing warnings.formatwarnings and to reverse replacement of
warnings.showwarnings when import is complete and when main function exits.
Add test_warning.py. Vinay Sajip provided capture_warnings function.

If buildbots run before next push, test_logging will (temporarily) fail.