I implemented the function sys._compact_freelists() and C API functions PyInt_/PyFloat_CompactFreeList() to compact the pre-allocated blocks of ints and floats. They allow the user to reduce the memory usage of a Python process that deals with lots of numbers.
The patch also renames sys._cleartypecache to sys._clear_type_cache
Added PyFloat_GetMax(), PyFloat_GetMin() and PyFloat_GetInfo() to the float API.
Added a dictionary sys.float_info with information about the internal floating point type to the sys module.
to guess /which/ line the spawned thread is in at the time
sys._current_frames() is called: we know it finished
enter_g.set(), but can't know whether the instruction
counter has advanced to the following leave_g.wait().
The latter is overwhelming most likely, but not guaranteed,
and I see that the "x86 Ubuntu dapper (icc) trunk" buildbot
found it on the other line once. Changed the test so it
passes in either case.
Moved the code for _PyThread_CurrentFrames() up, so it's no longer
in a huge "#ifdef WITH_THREAD" block (I didn't realize it /was/ in
one).
Changed test_sys's test_current_frames() so it passes with or without
thread supported compiled in.
Note that test_sys fails when Python is compiled without threads,
but for an unrelated reason (the old test_exit() fails with an
indirect ImportError on the `thread` module). There are also
other unrelated compilation failures without threads, in extension
modules (like ctypes); at least the core compiles again.
Do we really support --without-threads? If so, there are several
problems remaining.
and test_support.run_classtests() into run_unittest()
and use it wherever possible.
Also don't use "from test.test_support import ...", but
"from test import test_support" in a few spots.
From SF patch #662807.
rarely needed, but can sometimes be useful to release objects
referenced by the traceback held in sys.exc_info()[2]. (SF patch
#693195.) Thanks to Kevin Jacobs!
module. This increases code coverage of Python/sysmodule.c
from 68% to 77% (on Linux).
The script doesn't exercise the error branch that handles an evil
or lost sys.excepthook in Python/pythonrun.c::PyErr_PrintEx().
Also this script might not work on Jython in its current form.
From SF patch #662807.
Mark Dickinson
Robert Schuppenies
Benjamin Peterson
Raymond Hettinger
Georg Brandl
Martin v. Löwis
Brett Cannon
Christian Heimes
Andrew M. Kuchling
Tim Peters
Walter Dörwald
Michael W. Hudson
Guido van Rossum
Neal Norwitz