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#! /usr/local/bin/python
# "Freeze" a Python script into a binary.
# Usage: see first function below (before the imports!)
# HINTS:
# - Edit the line at XXX below before running!
# - You must have done "make inclinstall libainstall" in the Python
# build directory.
# - The script should not use dynamically loaded modules
# (*.so on most systems).
# XXX Change the following line to point to your Demo/freeze directory!
pack = '/ufs/guido/src/python/Demo/freeze'
# Print usage message and exit
def usage(msg = None):
if msg:
sys.stderr.write(str(msg) + '\n')
sys.stderr.write('usage: freeze [-p prefix] script [module] ...\n')
sys.exit(2)
# Import standard modules
import getopt
import os
import string
import sys
import addpack
# Set the directory to look for the freeze-private modules
dir = os.path.dirname(sys.argv[0])
if dir:
pack = dir
addpack.addpack(pack)
# Import the freeze-private modules
import findmodules
import makeconfig
import makefreeze
import makemakefile
import parsesetup
hint = """
Use the '-p prefix' command line option to specify the prefix used
when you ran 'Make inclinstall libainstall' in the Python build directory.
(Please specify an absolute path.)
"""
# Main program
def main():
# overridable context
prefix = '/usr/local' # settable with -p option
path = sys.path
# output files
frozen_c = 'frozen.c'
config_c = 'config.c'
target = 'a.out' # normally derived from script name
makefile = 'Makefile'
# parse command line
try:
opts, args = getopt.getopt(sys.argv[1:], 'p:')
if not args:
raise getopt.error, 'not enough arguments'
except getopt.error, msg:
usage('getopt error: ' + str(msg))
# proces option arguments
for o, a in opts:
if o == '-p':
prefix = a
# locations derived from options
binlib = os.path.join(prefix, 'lib/python/lib')
incldir = os.path.join(prefix, 'include/Py')
config_c_in = os.path.join(binlib, 'config.c.in')
frozenmain_c = os.path.join(binlib, 'frozenmain.c')
makefile_in = os.path.join(binlib, 'Makefile')
defines = ['-DHAVE_CONFIG_H', '-DUSE_FROZEN', '-DNO_MAIN',
'-DPTHONPATH=\\"$(PYTHONPATH)\\"']
includes = ['-I' + incldir, '-I' + binlib]
# sanity check of locations
for dir in prefix, binlib, incldir:
if not os.path.exists(dir):
usage('needed directory %s not found' % dir + hint)
if not os.path.isdir(dir):
usage('%s: not a directory' % dir)
for file in config_c_in, makefile_in, frozenmain_c:
if not os.path.exists(file):
usage('needed file %s not found' % file)
if not os.path.isfile(file):
usage('%s: not a plain file' % file)
# check that file arguments exist
for arg in args:
if not os.path.exists(arg):
usage('argument %s not found' % arg)
if not os.path.isfile(arg):
usage('%s: not a plain file' % arg)
# process non-option arguments
scriptfile = args[0]
modules = args[1:]
# derive target name from script name
base = os.path.basename(scriptfile)
base, ext = os.path.splitext(base)
if base:
if base != scriptfile:
target = base
else:
target = base + '.bin'
# Actual work starts here...
dict = findmodules.findmodules(scriptfile, modules, path)
builtins = []
for mod in dict.keys():
if dict[mod] == '<builtin>':
builtins.append(mod)
outfp = open(frozen_c, 'w')
try:
makefreeze.makefreeze(outfp, dict)
finally:
outfp.close()
infp = open(config_c_in)
outfp = open(config_c, 'w')
try:
makeconfig.makeconfig(infp, outfp, builtins)
finally:
outfp.close()
infp.close()
cflags = defines + includes + ['$(OPT)']
libs = []
for n in 'Modules', 'Python', 'Objects', 'Parser':
n = 'lib%s.a' % n
n = os.path.join(binlib, n)
libs.append(n)
makevars = parsesetup.getmakevars(makefile_in)
somevars = {}
for key in makevars.keys():
somevars[key] = makevars[key]
somevars['CFLAGS'] = string.join(cflags) # override
files = ['$(OPT)', config_c, frozenmain_c] + libs + \
['$(MODLIBS)', '$(LIBS)', '$(SYSLIBS)']
outfp = open(makefile, 'w')
try:
makemakefile.makemakefile(outfp, somevars, files, target)
finally:
outfp.close()
# Done!
print 'Now run make to build the target:', target
main()
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