view PCbuild/field3.py @ 87690:66c1c9f32567 default tip

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 dcedd32f06de
children
line wrap: on
line source

# An absurd workaround for the lack of arithmetic in MS's resource compiler.
# After building Python, run this, then paste the output into the appropriate
# part of PC\python_nt.rc.
# Example output:
#
# * For 2.3a0,
# * PY_MICRO_VERSION = 0
# * PY_RELEASE_LEVEL = 'alpha' = 0xA
# * PY_RELEASE_SERIAL = 1
# *
# * and 0*1000 + 10*10 + 1 = 101.
# */
# #define FIELD3 101

import sys

major, minor, micro, level, serial = sys.version_info
levelnum = {'alpha': 0xA,
            'beta': 0xB,
            'candidate': 0xC,
            'final': 0xF,
           }[level]
string = sys.version.split()[0] # like '2.3a0'

print(" * For %s," % string)
print(" * PY_MICRO_VERSION = %d" % micro)
print(" * PY_RELEASE_LEVEL = %r = %s" % (level, hex(levelnum)))
print(" * PY_RELEASE_SERIAL = %d" % serial)
print(" *")

field3 = micro * 1000 + levelnum * 10 + serial

print(" * and %d*1000 + %d*10 + %d = %d" % (micro, levelnum, serial, field3))
print(" */")
print("#define FIELD3", field3)