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df1eec3dae
* gh-65701: document that freeze doesn't work with framework builds on macOS The framework install is inherently incompatible with freeze. Document that that freeze doesn't work with framework builds and bail out early when trying to run freeze anyway. Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
495 lines
17 KiB
Python
Executable File
495 lines
17 KiB
Python
Executable File
#! /usr/bin/env python3
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"""Freeze a Python script into a binary.
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usage: freeze [options...] script [module]...
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Options:
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-p prefix: This is the prefix used when you ran ``make install''
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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 whatever sys.prefix evaluates to.
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It can also be the top directory of the Python source
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tree; then -P must point to the build tree.
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-P exec_prefix: Like -p but this is the 'exec_prefix', used to
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install objects etc. The default is whatever sys.exec_prefix
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evaluates to, or the -p argument if given.
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If -p points to the Python source tree, -P must point
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to the build tree, if different.
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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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On Windows, the name of a .INI file describing one
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or more extensions is passed.
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More than one -e option may be given.
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-o dir: Directory where the output files are created; default '.'.
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-m: Additional arguments are module names instead of filenames.
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-a package=dir: Additional directories to be added to the package's
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__path__. Used to simulate directories added by the
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package at runtime (eg, by OpenGL and win32com).
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More than one -a option may be given for each package.
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-l file: Pass the file to the linker (windows only)
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-d: Debugging mode for the module finder.
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-q: Make the module finder totally quiet.
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-h: Print this help message.
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-x module Exclude the specified module. It will still be imported
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by the frozen binary if it exists on the host system.
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-X module Like -x, except the module can never be imported by
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the frozen binary.
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-E: Freeze will fail if any modules can't be found (that
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were not excluded using -x or -X).
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-i filename: Include a file with additional command line options. Used
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to prevent command lines growing beyond the capabilities of
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the shell/OS. All arguments specified in filename
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are read and the -i option replaced with the parsed
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params (note - quoting args in this file is NOT supported)
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-s subsystem: Specify the subsystem (For Windows only.);
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'console' (default), 'windows', 'service' or 'com_dll'
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-w: Toggle Windows (NT or 95) behavior.
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(For debugging only -- on a win32 platform, win32 behavior
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is automatic.)
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-r prefix=f: Replace path prefix.
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Replace prefix with f in the source path references
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contained in the resulting binary.
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Arguments:
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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. If -m is specified, these are
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module names that are search in the path instead.
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NOTES:
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In order to use freeze successfully, you must have built Python and
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installed it ("make install").
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The script should not use modules provided only as shared libraries;
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if it does, the resulting binary is not self-contained.
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"""
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# Import standard modules
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import modulefinder
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import getopt
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import os
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import sys
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import sysconfig
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# Import the freeze-private modules
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import checkextensions
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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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import bkfile
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# Main program
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def main():
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# overridable context
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prefix = None # settable with -p option
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exec_prefix = None # settable with -P option
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extensions = []
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exclude = [] # settable with -x option
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addn_link = [] # settable with -l, but only honored under Windows.
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path = sys.path[:]
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modargs = 0
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debug = 1
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odir = ''
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win = sys.platform[:3] == 'win'
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replace_paths = [] # settable with -r option
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error_if_any_missing = 0
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# default the exclude list for each platform
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if win: exclude = exclude + [
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'dos', 'dospath', 'mac', 'macfs', 'MACFS', 'posix', ]
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fail_import = exclude[:]
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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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subsystem = 'console'
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if sys.platform == "darwin" and sysconfig.get_config_var("PYTHONFRAMEWORK"):
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print(f"{sys.argv[0]} cannot be used with framework builds of Python", file=sys.stderr)
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sys.exit(1)
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# parse command line by first replacing any "-i" options with the
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# file contents.
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pos = 1
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while pos < len(sys.argv)-1:
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# last option can not be "-i", so this ensures "pos+1" is in range!
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if sys.argv[pos] == '-i':
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try:
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with open(sys.argv[pos+1]) as infp:
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options = infp.read().split()
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except IOError as why:
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usage("File name '%s' specified with the -i option "
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"can not be read - %s" % (sys.argv[pos+1], why) )
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# Replace the '-i' and the filename with the read params.
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sys.argv[pos:pos+2] = options
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pos = pos + len(options) - 1 # Skip the name and the included args.
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pos = pos + 1
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# Now parse the command line with the extras inserted.
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try:
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opts, args = getopt.getopt(sys.argv[1:], 'r:a:dEe:hmo:p:P:qs:wX:x:l:')
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except getopt.error as msg:
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usage('getopt error: ' + str(msg))
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# process option arguments
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for o, a in opts:
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if o == '-h':
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print(__doc__)
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return
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if o == '-d':
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debug = debug + 1
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if o == '-e':
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extensions.append(a)
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if o == '-m':
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modargs = 1
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if o == '-o':
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odir = a
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if o == '-p':
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prefix = a
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if o == '-P':
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exec_prefix = a
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if o == '-q':
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debug = 0
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if o == '-w':
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win = not win
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if o == '-s':
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if not win:
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usage("-s subsystem option only on Windows")
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subsystem = a
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if o == '-x':
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exclude.append(a)
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if o == '-X':
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exclude.append(a)
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fail_import.append(a)
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if o == '-E':
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error_if_any_missing = 1
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if o == '-l':
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addn_link.append(a)
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if o == '-a':
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modulefinder.AddPackagePath(*a.split("=", 2))
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if o == '-r':
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f,r = a.split("=", 2)
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replace_paths.append( (f,r) )
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# modules that are imported by the Python runtime
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implicits = []
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for module in ('site', 'warnings', 'encodings.utf_8', 'encodings.latin_1'):
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if module not in exclude:
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implicits.append(module)
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# default prefix and exec_prefix
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if not exec_prefix:
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if prefix:
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exec_prefix = prefix
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else:
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exec_prefix = sys.exec_prefix
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if not prefix:
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prefix = sys.prefix
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# determine whether -p points to the Python source tree
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ishome = os.path.exists(os.path.join(prefix, 'Python', 'ceval.c'))
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# locations derived from options
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version = '%d.%d' % sys.version_info[:2]
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if hasattr(sys, 'abiflags'):
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flagged_version = version + sys.abiflags
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else:
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flagged_version = version
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if win:
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extensions_c = 'frozen_extensions.c'
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if ishome:
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print("(Using Python source directory)")
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configdir = exec_prefix
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incldir = os.path.join(prefix, 'Include')
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config_h_dir = exec_prefix
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config_c_in = os.path.join(prefix, 'Modules', 'config.c.in')
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frozenmain_c = os.path.join(prefix, 'Python', 'frozenmain.c')
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makefile_in = os.path.join(exec_prefix, 'Makefile')
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if win:
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frozendllmain_c = os.path.join(exec_prefix, 'Pc\\frozen_dllmain.c')
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else:
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configdir = sysconfig.get_config_var('LIBPL')
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incldir = os.path.join(prefix, 'include', 'python%s' % flagged_version)
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config_h_dir = os.path.join(exec_prefix, 'include',
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'python%s' % flagged_version)
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config_c_in = os.path.join(configdir, 'config.c.in')
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frozenmain_c = os.path.join(configdir, 'frozenmain.c')
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makefile_in = os.path.join(configdir, 'Makefile')
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frozendllmain_c = os.path.join(configdir, 'frozen_dllmain.c')
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libdir = sysconfig.get_config_var('LIBDIR')
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supp_sources = []
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defines = []
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includes = ['-I' + incldir, '-I' + config_h_dir]
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# sanity check of directories and files
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check_dirs = [prefix, exec_prefix, configdir, incldir]
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if not win:
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# These are not directories on Windows.
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check_dirs = check_dirs + extensions
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for dir in check_dirs:
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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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if win:
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files = supp_sources + extensions # extensions are files on Windows.
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else:
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files = [config_c_in, makefile_in] + supp_sources
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for file in supp_sources:
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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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if not win:
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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 arg == '-m':
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break
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# if user specified -m on the command line before _any_
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# file names, then nothing should be checked (as the
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# very first file should be a module name)
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if modargs:
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break
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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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# handle -o option
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base_frozen_c = frozen_c
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base_config_c = config_c
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base_target = target
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if odir and not os.path.isdir(odir):
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try:
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os.mkdir(odir)
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print("Created output directory", odir)
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except OSError as msg:
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usage('%s: mkdir failed (%s)' % (odir, str(msg)))
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base = ''
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if odir:
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base = os.path.join(odir, '')
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frozen_c = os.path.join(odir, frozen_c)
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config_c = os.path.join(odir, config_c)
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target = os.path.join(odir, target)
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makefile = os.path.join(odir, makefile)
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if win: extensions_c = os.path.join(odir, extensions_c)
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# Handle special entry point requirements
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# (on Windows, some frozen programs do not use __main__, but
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# import the module directly. Eg, DLLs, Services, etc
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custom_entry_point = None # Currently only used on Windows
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python_entry_is_main = 1 # Is the entry point called __main__?
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# handle -s option on Windows
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if win:
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import winmakemakefile
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try:
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custom_entry_point, python_entry_is_main = \
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winmakemakefile.get_custom_entry_point(subsystem)
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except ValueError as why:
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usage(why)
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# Actual work starts here...
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# collect all modules of the program
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dir = os.path.dirname(scriptfile)
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path[0] = dir
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mf = modulefinder.ModuleFinder(path, debug, exclude, replace_paths)
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if win and subsystem=='service':
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# If a Windows service, then add the "built-in" module.
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mod = mf.add_module("servicemanager")
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mod.__file__="dummy.pyd" # really built-in to the resulting EXE
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for mod in implicits:
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mf.import_hook(mod)
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for mod in modules:
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if mod == '-m':
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modargs = 1
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continue
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if modargs:
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if mod[-2:] == '.*':
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mf.import_hook(mod[:-2], None, ["*"])
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else:
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mf.import_hook(mod)
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else:
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mf.load_file(mod)
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# Add the main script as either __main__, or the actual module name.
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if python_entry_is_main:
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mf.run_script(scriptfile)
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else:
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mf.load_file(scriptfile)
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if debug > 0:
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mf.report()
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print()
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dict = mf.modules
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if error_if_any_missing:
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missing = mf.any_missing()
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if missing:
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sys.exit("There are some missing modules: %r" % missing)
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# generate output for frozen modules
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files = makefreeze.makefreeze(base, dict, debug, custom_entry_point,
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fail_import)
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# look for unfrozen modules (builtin and of unknown origin)
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builtins = []
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unknown = []
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mods = sorted(dict.keys())
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for mod in mods:
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if dict[mod].__code__:
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continue
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if not dict[mod].__file__:
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builtins.append(mod)
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else:
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unknown.append(mod)
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# search for unknown modules in extensions directories (not on Windows)
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addfiles = []
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frozen_extensions = [] # Windows list of modules.
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if unknown or (not win and builtins):
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if not win:
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addfiles, addmods = \
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checkextensions.checkextensions(unknown+builtins,
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extensions)
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for mod in addmods:
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if mod in unknown:
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unknown.remove(mod)
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builtins.append(mod)
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else:
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# Do the windows thang...
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import checkextensions_win32
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# Get a list of CExtension instances, each describing a module
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# (including its source files)
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frozen_extensions = checkextensions_win32.checkextensions(
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unknown, extensions, prefix)
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for mod in frozen_extensions:
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unknown.remove(mod.name)
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# report unknown modules
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if unknown:
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sys.stderr.write('Warning: unknown modules remain: %s\n' %
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' '.join(unknown))
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# windows gets different treatment
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if win:
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# Taking a shortcut here...
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import winmakemakefile, checkextensions_win32
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checkextensions_win32.write_extension_table(extensions_c,
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frozen_extensions)
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# Create a module definition for the bootstrap C code.
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xtras = [frozenmain_c, os.path.basename(frozen_c),
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frozendllmain_c, os.path.basename(extensions_c)] + files
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maindefn = checkextensions_win32.CExtension( '__main__', xtras )
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frozen_extensions.append( maindefn )
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with open(makefile, 'w') as outfp:
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winmakemakefile.makemakefile(outfp,
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locals(),
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frozen_extensions,
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os.path.basename(target))
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return
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# generate config.c and Makefile
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builtins.sort()
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with open(config_c_in) as infp, bkfile.open(config_c, 'w') as outfp:
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makeconfig.makeconfig(infp, outfp, builtins)
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cflags = ['$(OPT)']
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cppflags = defines + includes
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libs = [os.path.join(libdir, '$(LDLIBRARY)')]
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somevars = {}
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if os.path.exists(makefile_in):
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makevars = parsesetup.getmakevars(makefile_in)
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for key in makevars:
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somevars[key] = makevars[key]
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somevars['CFLAGS'] = ' '.join(cflags) # override
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somevars['CPPFLAGS'] = ' '.join(cppflags) # override
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files = [base_config_c, base_frozen_c] + \
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files + supp_sources + addfiles + libs + \
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['$(MODLIBS)', '$(LIBS)', '$(SYSLIBS)']
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with bkfile.open(makefile, 'w') as outfp:
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makemakefile.makemakefile(outfp, somevars, files, base_target)
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# Done!
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if odir:
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print('Now run "make" in', odir, end=' ')
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print('to build the target:', base_target)
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else:
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print('Now run "make" to build the target:', base_target)
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# Print usage message and exit
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def usage(msg):
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sys.stdout = sys.stderr
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print("Error:", msg)
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print("Use ``%s -h'' for help" % sys.argv[0])
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sys.exit(2)
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main()
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