are now initialized dynamically as needed.

Now it requires almost 4x less memory and is almost 2x faster.

There already was a workaround for this for framework builds on OSX,
this changeset enables the same workaround for shared libraries.

Closes #1602133

interface and support all mandatory methods and properties.

if all other iterators were very advanced before.

Increase memory limit in this test.

#11379: rephrase minidom documentation to use the term "minimal" instead of "lightweight".  Patch by Éric Araujo.

with truncated header or footer.
Added tests for reading truncated gzip and bzip2 files.

unicode-escape decoder requires memory for result corresponding to input size.
Fixes test for issue #16335.

Python 2.7 has only assertRaisesRegexp, not assertRaisesRegex

Fix a regression from changeset d544873d62e9 (issue #15989).

Patch by Jeffrey Armstrong.

when result of PyInt_AsLong() or PyLong_AsLong() narrowed
to int without checks.

This is a backport of changesets 13e2e44db99d and 525407d89277.