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 :-).
import imp
MAGIC = imp.get_magic()
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)
try:
timestamp = os.fstat(file.fileno())
except AttributeError:
timestamp = long(os.stat(file)[8])
codestring = f.read()
f.close()
codeobject = __builtin__.compile(codestring, file, 'exec')
if not cfile:
cfile = file + (__debug__ and 'c' or 'o')
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fc = open(cfile, 'wb')
fc.write('\0\0\0\0')
wr_long(fc, timestamp)
marshal.dump(codeobject, fc)
fc.flush()
fc.seek(0, 0)
fc.write(MAGIC)
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fc.close()
if os.name == 'mac':
import macfs
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macfs.FSSpec(cfile).SetCreatorType('Pyth', 'PYC ')
macfs.FSSpec(file).SetCreatorType('Pyth', 'TEXT')