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Use fstat if we can; write MAGIC into file last.

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This commit is contained in:
Guido van Rossum 1997-11-22 21:48:26 +00:00
parent 8700fe62f8
commit e6c128f428
1 changed files with 8 additions and 2 deletions
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10
Lib/py_compile.py
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@ -14,16 +14,22 @@ def wr_long(f, x):
def compile(file, cfile = None): def compile(file, cfile = None):
import os, marshal, __builtin__ import os, marshal, __builtin__
f = open(file) f = open(file)
try:
timestamp = os.fstat(file.fileno())
except AttributeError:
timestamp = long(os.stat(file)[8])
codestring = f.read() codestring = f.read()
f.close() f.close()
timestamp = long(os.stat(file)[8])
codeobject = __builtin__.compile(codestring, file, 'exec') codeobject = __builtin__.compile(codestring, file, 'exec')
if not cfile: if not cfile:
cfile = file + (__debug__ and 'c' or 'o') cfile = file + (__debug__ and 'c' or 'o')
fc = open(cfile, 'wb') fc = open(cfile, 'wb')
fc.write(MAGIC) fc.write('\0\0\0\0')
wr_long(fc, timestamp) wr_long(fc, timestamp)
marshal.dump(codeobject, fc) marshal.dump(codeobject, fc)
fc.flush()
fc.seek(0, 0)
fc.write(MAGIC)
fc.close() fc.close()
if os.name == 'mac': if os.name == 'mac':
import macfs import macfs