Mercurial > cpython-lru_cache-weakref

annotate Lib/py_compile.py @ 4566:6403c94de50d legacy-trunk

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Added safeguard against failure in __del__.
author Guido van Rossum <guido@python.org>
date Wed, 27 Nov 1996 19:39:58 +0000
parents 1fec88b22e87
children 5cf83ad3251e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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1 # Routine to "compile" a .py file to a .pyc file.
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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2 # This has intimate knowledge of how Python/import.c does it.
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
parents:
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3 # By Sjoerd Mullender (I forced him to write it :-).
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
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4
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d42941d3a95f Get magic number from interpreter (using module imp).
Sjoerd Mullender <sjoerd@acm.org>
parents: 2665
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5 import imp
d42941d3a95f Get magic number from interpreter (using module imp).
Sjoerd Mullender <sjoerd@acm.org>
parents: 2665
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6 MAGIC = imp.get_magic()
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b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
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7
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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8 def wr_long(f, x):
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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9 f.write(chr( x & 0xff))
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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10 f.write(chr((x >> 8) & 0xff))
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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11 f.write(chr((x >> 16) & 0xff))
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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12 f.write(chr((x >> 24) & 0xff))
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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13
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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14 def compile(file, cfile = None):
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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15 import os, marshal, __builtin__
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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16 f = open(file)
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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17 codestring = f.read()
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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18 f.close()
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1fec88b22e87 Cast mtime gotten from stat() to long int -- else it won't work
Guido van Rossum <guido@python.org>
parents: 3635
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19 timestamp = long(os.stat(file)[8])
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b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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20 codeobject = __builtin__.compile(codestring, file, 'exec')
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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21 if not cfile:
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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22 cfile = file + 'c'
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a81b6db6d33c changes for the Mac
Guido van Rossum <guido@python.org>
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23 fc = open(cfile, 'wb')
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d42941d3a95f Get magic number from interpreter (using module imp).
Sjoerd Mullender <sjoerd@acm.org>
parents: 2665
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24 fc.write(MAGIC)
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b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
Guido van Rossum <guido@python.org>
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25 wr_long(fc, timestamp)
b464e1d0b2fb New way of generating .pyc files, thanks to Sjoerd.
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26 marshal.dump(codeobject, fc)
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a81b6db6d33c changes for the Mac
Guido van Rossum <guido@python.org>
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27 fc.close()
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Guido van Rossum <guido@python.org>
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28 if os.name == 'mac':
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2f8e8b6129f7 Mac-specific code for setting filetype was outdated.
Jack Jansen <jack.jansen@cwi.nl>
parents: 2260
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29 import macfs
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89417895d963 change Mac creator/type
Guido van Rossum <guido@python.org>
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30 macfs.FSSpec(cfile).SetCreatorType('Pyth', 'PYC ')
89417895d963 change Mac creator/type
Guido van Rossum <guido@python.org>
parents: 2853
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31 macfs.FSSpec(file).SetCreatorType('Pyth', 'TEXT')