view PC/python34gen.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 1085b0e475d8
children
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# Generate python34stub.def out of python3.def
# The regular import library cannot be used,
# since it doesn't provide the right symbols for
# data forwarding
out = open("python34stub.def", "w")
out.write('LIBRARY "python34"\n')
out.write('EXPORTS\n')

inp = open("python3.def")
line = inp.readline()
while line.strip().startswith(';'):
    line = inp.readline()
line = inp.readline() # LIBRARY
assert line.strip()=='EXPORTS'

for line in inp:
    # SYM1=python34.SYM2[ DATA]
    head, tail = line.split('.')
    if 'DATA' in tail:
        symbol, tail = tail.split(' ')
    else:
        symbol = tail.strip()
    out.write(symbol+'\n')

inp.close()
out.close()