1 # Emulate sys.argv and run __main__.py or __main__.pyc in an environment that

     2 # is as close to "normal" as possible.

     3 #

     4 # This script is put into __rawmain__.pyc for applets that need argv

     5 # emulation, by BuildApplet and friends.

     6 #

     7 

     8 from warnings import warnpy3k

     9 warnpy3k("In 3.x, the appletrawmain module is removed.", stacklevel=2)

    10 

    11 import argvemulator

    12 import os

    13 import sys

    14 import marshal

    15 

    16 #

    17 # Make sure we have an argv[0], and make _dir point to the Resources

    18 # directory.

    19 #

    20 if not sys.argv or sys.argv[0][:1] == '-':

    21     # Insert our (guessed) name.

    22     _dir = os.path.split(sys.executable)[0] # removes "python"

    23     _dir = os.path.split(_dir)[0] # Removes "MacOS"

    24     _dir = os.path.join(_dir, 'Resources')

    25     sys.argv.insert(0, '__rawmain__')

    26 else:

    27     _dir = os.path.split(sys.argv[0])[0]

    28 #

    29 # Add the Resources directory to the path. This is where files installed

    30 # by BuildApplet.py with the --extra option show up, and if those files are

    31 # modules this sys.path modification is necessary to be able to import them.

    32 #

    33 sys.path.insert(0, _dir)

    34 #

    35 # Create sys.argv

    36 #

    37 argvemulator.ArgvCollector().mainloop()

    38 #

    39 # Find the real main program to run

    40 #

    41 __file__ = os.path.join(_dir, '__main__.py')

    42 if os.path.exists(__file__):

    43     #

    44     # Setup something resembling a normal environment and go.

    45     #

    46     sys.argv[0] = __file__

    47     del argvemulator, os, sys, _dir

    48     execfile(__file__)

    49 else:

    50     __file__ = os.path.join(_dir, '__main__.pyc')

    51     if os.path.exists(__file__):

    52         #

    53         # If we have only a .pyc file we read the code object from that

    54         #

    55         sys.argv[0] = __file__

    56         _fp = open(__file__, 'rb')

    57         _fp.read(8)

    58         __code__ = marshal.load(_fp)

    59         #

    60         # Again, we create an almost-normal environment (only __code__ is

    61         # funny) and go.

    62         #

    63         del argvemulator, os, sys, marshal, _dir, _fp

    64         exec __code__

    65     else:

    66         sys.stderr.write("%s: neither __main__.py nor __main__.pyc found\n"%sys.argv[0])

    67         sys.exit(1)