cpython/Lib/py_compile.py

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# Routine to "compile" a .py file to a .pyc file.
# This has intimate knowledge of how Python/import.c does it.
# By Sjoerd Mullender (I forced him to write it :-).
MAGIC = 0x999903
def wr_long(f, x):
f.write(chr( x & 0xff))
f.write(chr((x >> 8) & 0xff))
f.write(chr((x >> 16) & 0xff))
f.write(chr((x >> 24) & 0xff))
def compile(file, cfile = None):
import os, marshal, __builtin__
f = open(file)
codestring = f.read()
f.close()
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timestamp = os.stat(file)[8]
codeobject = __builtin__.compile(codestring, file, 'exec')
if not cfile:
cfile = file + 'c'
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fc = open(cfile, 'wb')
wr_long(fc, MAGIC)
wr_long(fc, timestamp)
marshal.dump(codeobject, fc)
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fc.close()
if os.name == 'mac':
import MacOS
MacOS.SetFileType(cfile, 'PYC ', 'PYTH')
MacOS.SetFileType(file, 'TEXT', 'PYTH')