mirror of https://github.com/python/cpython
64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
# Emulate sys.argv and run __main__.py or __main__.pyc in an environment that
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# is as close to "normal" as possible.
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#
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# This script is put into __rawmain__.pyc for applets that need argv
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# emulation, by BuildApplet and friends.
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#
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import argvemulator
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import os
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import sys
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import marshal
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#
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# Make sure we have an argv[0], and make _dir point to the Resources
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# directory.
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#
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if not sys.argv or sys.argv[0][:1] == '-':
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# Insert our (guessed) name.
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_dir = os.path.split(sys.executable)[0] # removes "python"
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_dir = os.path.split(_dir)[0] # Removes "MacOS"
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_dir = os.path.join(_dir, 'Resources')
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sys.argv.insert(0, '__rawmain__')
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else:
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_dir = os.path.split(sys.argv[0])[0]
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#
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# Add the Resources directory to the path. This is where files installed
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# by BuildApplet.py with the --extra option show up, and if those files are
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# modules this sys.path modification is necessary to be able to import them.
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#
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sys.path.insert(0, _dir)
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#
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# Create sys.argv
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#
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argvemulator.ArgvCollector().mainloop()
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#
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# Find the real main program to run
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#
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__file__ = os.path.join(_dir, '__main__.py')
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if os.path.exists(__file__):
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#
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# Setup something resembling a normal environment and go.
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#
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sys.argv[0] = __file__
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del argvemulator, os, sys, _dir
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execfile(__file__)
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else:
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__file__ = os.path.join(_dir, '__main__.pyc')
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if os.path.exists(__file__):
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#
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# If we have only a .pyc file we read the code object from that
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#
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sys.argv[0] = __file__
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_fp = open(__file__, 'rb')
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_fp.read(8)
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__code__ = marshal.load(_fp)
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#
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# Again, we create an almost-normal environment (only __code__ is
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# funny) and go.
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#
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del argvemulator, os, sys, marshal, _dir, _fp
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exec(__code__)
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else:
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sys.stderr.write("%s: neither __main__.py nor __main__.pyc found\n"%sys.argv[0])
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sys.exit(1)
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