| 1 | #!/usr/bin/env python2
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| 2 | from __future__ import print_function
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| 3 | """
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| 4 | stdlib_compile.py
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| 5 | """
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| 6 | 
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| 7 | import compiler as stdlib_comp
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| 8 | import imp
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| 9 | #import os
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| 10 | import marshal
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| 11 | import struct
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| 12 | import sys
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| 13 | 
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| 14 | #import hashlib
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| 15 | 
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| 16 | 
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| 17 | def getPycHeader(filename):
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| 18 |   # compile.c uses marshal to write a long directly, with
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| 19 |   # calling the interface that would also generate a 1-byte code
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| 20 |   # to indicate the type of the value.  simplest way to get the
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| 21 |   # same effect is to call marshal and then skip the code.
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| 22 |   #mtime = os.path.getmtime(filename)
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| 23 |   mtime = 0  # to make it deterministic for now
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| 24 |   mtime = struct.pack('<i', int(mtime))
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| 25 |   return imp.get_magic() + mtime
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| 26 | 
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| 27 | 
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| 28 | def compileAndWrite(in_path, out_path, compile_func):
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| 29 |   #print(stdlib_comp, file=sys.stderr)
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| 30 | 
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| 31 |   with open(in_path) as f:
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| 32 |     co = compile_func(f.read(), in_path, 'exec')
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| 33 | 
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| 34 |   #print(co, file=sys.stderr)
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| 35 | 
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| 36 |   h = getPycHeader(in_path)
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| 37 |   with open(out_path, 'w') as out_f:
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| 38 |     out_f.write(h)
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| 39 | 
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| 40 |     s = marshal.dumps(co)
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| 41 |     #m = hashlib.md5()
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| 42 |     #m.update(s)
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| 43 |     #print(m.hexdigest(), file=sys.stderr)
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| 44 | 
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| 45 |     out_f.write(s)
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| 46 | 
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| 47 | 
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| 48 | def main(argv):
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| 49 |   in_path = argv[1]
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| 50 |   out_path = argv[2]
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| 51 | 
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| 52 |   compileAndWrite(in_path, out_path, stdlib_comp.compile)
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| 53 | 
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| 54 | 
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| 55 | if __name__ == '__main__':
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| 56 |   main(sys.argv)
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