mirror of https://github.com/python/cpython
Get rid of it totally
This commit is contained in:
Guido van Rossum
parent
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commit
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#! /usr/local/bin/python
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# WARNING: this is an unsupported variant of freeze.py -- see README
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# "Freeze" a Python script into a binary.
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# Usage: see variable usage_msg below (before the imports!)
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# This version builds the frozen binary in a temporary directory;
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# courtesy Jaap Vermeulen. Use the -l option to get the functionality
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# of the standard version.
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# HINTS:
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# - Edit the lines marked XXX below to localize.
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# - You must have done "make inclinstall libainstall" in the Python
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# build directory.
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# - The script should not use dynamically loaded modules
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# (*.so on most systems).
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# Usage message
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usage_msg = """
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usage: freeze [-p prefix] [-e extension] [-l] ... script [module] ...
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-p prefix: This is the prefix used when you ran
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'Make inclinstall libainstall' in the Python build directory.
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(If you never ran this, freeze won't work.)
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The default is /usr/local.
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-e extension: A directory containing additional .o files that
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may be used to resolve modules. This directory
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should also have a Setup file describing the .o files.
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More than one -e option may be given.
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-l: Local compilation. Instead of using a temporary directory
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that is removed after succesful compilation, the current
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directory is used and temporary files are not removed.
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script: The Python script to be executed by the resulting binary.
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module ...: Additional Python modules (referenced by pathname)
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that will be included in the resulting binary. These
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may be .py or .pyc files.
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"""
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# XXX Change the following line to point to your Tools/freeze directory
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PACK = '/ufs/guido/src/python/Tools/freeze'
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# XXX Change the following line to point to your install prefix
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PREFIX = '/usr/local'
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# XXX Change the following line to point to your favority temporary directory
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TMPDIR = '/usr/tmp'
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# Import standard modules
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import cmp
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import getopt
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import os
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import string
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import sys
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import addpack
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# Set the directory to look for the freeze-private modules
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dir = os.path.dirname(sys.argv[0])
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if dir:
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pack = dir
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else:
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pack = PACK
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addpack.addpack(pack)
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# Establish temporary directory name
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tmpdir = os.path.join(TMPDIR, 'freeze.' + `os.getpid()`)
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# Import the freeze-private modules
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import checkextensions
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import findmodules
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import makeconfig
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import makefreeze
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import makemakefile
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import parsesetup
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# Main program
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def main():
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# module variable
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global tmpdir
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# overridable context
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prefix = PREFIX # settable with -p option
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extensions = []
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path = sys.path
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# output files
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frozen_c = 'frozen.c'
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config_c = 'config.c'
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target = 'a.out' # normally derived from script name
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makefile = 'Makefile'
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# parse command line
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try:
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opts, args = getopt.getopt(sys.argv[1:], 'e:p:l')
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except getopt.error, msg:
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usage('getopt error: ' + str(msg))
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# proces option arguments
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for o, a in opts:
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if o == '-e':
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extensions.append(a)
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if o == '-l':
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tmpdir = None
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if o == '-p':
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prefix = a
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# locations derived from options
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binlib = os.path.join(prefix, 'lib/python/lib')
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incldir = os.path.join(prefix, 'include/Py')
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config_c_in = os.path.join(binlib, 'config.c.in')
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frozenmain_c = os.path.join(binlib, 'frozenmain.c')
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makefile_in = os.path.join(binlib, 'Makefile')
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defines = ['-DHAVE_CONFIG_H', '-DUSE_FROZEN', '-DNO_MAIN',
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'-DPYTHONPATH=\\"$(PYTHONPATH)\\"']
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includes = ['-I' + incldir, '-I' + binlib]
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# sanity check of directories and files
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for dir in [prefix, binlib, incldir] + extensions:
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if not os.path.exists(dir):
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usage('needed directory %s not found' % dir)
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if not os.path.isdir(dir):
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usage('%s: not a directory' % dir)
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for file in config_c_in, makefile_in, frozenmain_c:
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if not os.path.exists(file):
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usage('needed file %s not found' % file)
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if not os.path.isfile(file):
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usage('%s: not a plain file' % file)
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for dir in extensions:
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setup = os.path.join(dir, 'Setup')
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if not os.path.exists(setup):
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usage('needed file %s not found' % setup)
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if not os.path.isfile(setup):
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usage('%s: not a plain file' % setup)
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# check that enough arguments are passed
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if not args:
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usage('at least one filename argument required')
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# check that file arguments exist
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for arg in args:
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if not os.path.exists(arg):
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usage('argument %s not found' % arg)
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if not os.path.isfile(arg):
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usage('%s: not a plain file' % arg)
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# process non-option arguments
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scriptfile = args[0]
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modules = args[1:]
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# derive target name from script name
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base = os.path.basename(scriptfile)
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base, ext = os.path.splitext(base)
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if base:
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if base != scriptfile:
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target = base
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else:
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target = base + '.bin'
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# use temporary directory
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if tmpdir:
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try: os.mkdir(tmpdir, 0700)
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except os.error, errmsg:
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sys.stderr.write('mkdir: (%s) %s\n' % errmsg)
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sys.stderr.write('Error: cannot create temporary directory: %s\n' % (tmpdir,))
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sys.exit(2)
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frozen_c = os.path.join(tmpdir, frozen_c)
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config_c = os.path.join(tmpdir, config_c)
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makefile = os.path.join(tmpdir, makefile)
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dict = findmodules.findmodules(scriptfile, modules, path)
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# Actual work starts here...
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backup = frozen_c + '~'
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try:
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os.rename(frozen_c, backup)
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except os.error:
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backup = None
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outfp = open(frozen_c, 'w')
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try:
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makefreeze.makefreeze(outfp, dict)
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finally:
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outfp.close()
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if backup:
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if cmp.cmp(backup, frozen_c):
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sys.stderr.write('%s not changed, not written\n' %
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frozen_c)
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os.rename(backup, frozen_c)
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builtins = []
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unknown = []
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mods = dict.keys()
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mods.sort()
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for mod in mods:
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if dict[mod] == '<builtin>':
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builtins.append(mod)
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elif dict[mod] == '<unknown>':
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unknown.append(mod)
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addfiles = []
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if unknown:
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addfiles, addmods = \
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checkextensions.checkextensions(unknown, extensions)
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for mod in addmods:
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unknown.remove(mod)
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builtins = builtins + addmods
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if unknown:
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sys.stderr.write('Warning: unknown modules remain: %s\n' %
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string.join(unknown))
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builtins.sort()
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infp = open(config_c_in)
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backup = config_c + '~'
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try:
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os.rename(config_c, backup)
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except os.error:
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backup = None
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outfp = open(config_c, 'w')
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try:
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makeconfig.makeconfig(infp, outfp, builtins)
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finally:
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outfp.close()
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infp.close()
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if backup:
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if cmp.cmp(backup, config_c):
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sys.stderr.write('%s not changed, not written\n' %
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config_c)
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os.rename(backup, config_c)
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cflags = defines + includes + ['$(OPT)']
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libs = []
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for n in 'Modules', 'Python', 'Objects', 'Parser':
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n = 'lib%s.a' % n
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n = os.path.join(binlib, n)
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libs.append(n)
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makevars = parsesetup.getmakevars(makefile_in)
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somevars = {}
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for key in makevars.keys():
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somevars[key] = makevars[key]
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somevars['CFLAGS'] = string.join(cflags) # override
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files = ['$(OPT)', config_c, frozen_c, frozenmain_c] + \
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addfiles + libs + \
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['$(MODLIBS)', '$(LIBS)', '$(SYSLIBS)']
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backup = makefile + '~'
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try:
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os.rename(makefile, backup)
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except os.error:
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backup = None
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outfp = open(makefile, 'w')
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try:
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makemakefile.makemakefile(outfp, somevars, files, target)
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finally:
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outfp.close()
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if backup:
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if not cmp.cmp(backup, makefile):
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print 'previous Makefile saved as', backup
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# Done!
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if tmpdir:
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# Run make
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curdir = os.getcwd()
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os.chdir(tmpdir)
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status = os.system('make > /dev/null')
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os.chdir(curdir)
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if status:
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sys.stderr.write('Compilation failed. Files left in %s\n' %
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(tmpdir,))
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else:
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tmptarget = os.path.join(tmpdir, target)
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try: os.rename(tmptarget, target)
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except os.error:
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os.system('cp %s %s' % (tmptarget, target))
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os.system('rm -rf %s' % (tmpdir,))
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print 'Frozen target:', target
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tmpdir = None
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else:
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print 'Now run make to build the target:', target
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# Print usage message and exit
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def usage(msg = None):
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if msg:
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sys.stderr.write(str(msg) + '\n')
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sys.stderr.write(usage_msg)
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sys.exit(2)
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try: main()
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finally:
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if tmpdir:
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os.system('rm -rf %s' % (tmpdir,))
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