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added function to get timestamp from pyc file

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This commit is contained in:
Thom Neale 2012-12-29 16:46:43 -05:00
parent 3662ab1e7b
commit ec1bd2ba1f
1 changed files with 13 additions and 3 deletions
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16
hy/utils.py
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@ -1,6 +1,8 @@
import os
import imp
import marshall
import struct
import time
MAGIC = imp.get_magic()
@ -13,7 +15,17 @@ def _write_long(fp, int_):
fp.write(chr((int_ >> 24) & 0xff))
def write_pyc(filename, cfile=None, dfile='source'):
def get_mtime(fp):
'''Get the last modified date from the 4-byte timestamp in the pyc file.
'''
with open(filename, 'rb') as f:
f.seed(4)
moddate = f.read(4)
modtime = time.asctime(time.localtime(struct.unpack('L', moddate)[0]))
return modtime
def write_pyc(filename, codeobject, cfile=None, dfile='source'):
"""Byte-compile one Python source file to Python bytecode.
Arguments:
@ -33,8 +45,6 @@ def write_pyc(filename, cfile=None, dfile='source'):
timestamp = long(os.stat(filename).st_mtime)
codestring = f.read()
codeobject = compile(codestring, dfile or self.filename,'exec')
# Add on the .pyc (or .pyo) filename extension.
if cfile is None:
cfile = filename + (__debug__ and 'c' or 'o')