/usr/lib/python3/dist-packages/Cython/Build/BuildExecutable.py is in cython3 0.25.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | """
Compile a Python script into an executable that embeds CPython and run it.
Requires CPython to be built as a shared library ('libpythonX.Y').
Basic usage:
python cythonrun somefile.py [ARGS]
"""
from __future__ import absolute_import
DEBUG = True
import sys
import os
from distutils import sysconfig
def get_config_var(name, default=''):
return sysconfig.get_config_var(name) or default
INCDIR = sysconfig.get_python_inc()
LIBDIR1 = get_config_var('LIBDIR')
LIBDIR2 = get_config_var('LIBPL')
PYLIB = get_config_var('LIBRARY')
PYLIB_DYN = get_config_var('LDLIBRARY')
if PYLIB_DYN == PYLIB:
# no shared library
PYLIB_DYN = ''
else:
PYLIB_DYN = os.path.splitext(PYLIB_DYN[3:])[0] # 'lib(XYZ).so' -> XYZ
CC = get_config_var('CC', os.environ.get('CC', ''))
CFLAGS = get_config_var('CFLAGS') + ' ' + os.environ.get('CFLAGS', '')
LINKCC = get_config_var('LINKCC', os.environ.get('LINKCC', CC))
LINKFORSHARED = get_config_var('LINKFORSHARED')
LIBS = get_config_var('LIBS')
SYSLIBS = get_config_var('SYSLIBS')
EXE_EXT = sysconfig.get_config_var('EXE')
def _debug(msg, *args):
if DEBUG:
if args:
msg = msg % args
sys.stderr.write(msg + '\n')
def dump_config():
_debug('INCDIR: %s', INCDIR)
_debug('LIBDIR1: %s', LIBDIR1)
_debug('LIBDIR2: %s', LIBDIR2)
_debug('PYLIB: %s', PYLIB)
_debug('PYLIB_DYN: %s', PYLIB_DYN)
_debug('CC: %s', CC)
_debug('CFLAGS: %s', CFLAGS)
_debug('LINKCC: %s', LINKCC)
_debug('LINKFORSHARED: %s', LINKFORSHARED)
_debug('LIBS: %s', LIBS)
_debug('SYSLIBS: %s', SYSLIBS)
_debug('EXE_EXT: %s', EXE_EXT)
def runcmd(cmd, shell=True):
if shell:
cmd = ' '.join(cmd)
_debug(cmd)
else:
_debug(' '.join(cmd))
try:
import subprocess
except ImportError: # Python 2.3 ...
returncode = os.system(cmd)
else:
returncode = subprocess.call(cmd, shell=shell)
if returncode:
sys.exit(returncode)
def clink(basename):
runcmd([LINKCC, '-o', basename + EXE_EXT, basename+'.o', '-L'+LIBDIR1, '-L'+LIBDIR2]
+ [PYLIB_DYN and ('-l'+PYLIB_DYN) or os.path.join(LIBDIR1, PYLIB)]
+ LIBS.split() + SYSLIBS.split() + LINKFORSHARED.split())
def ccompile(basename):
runcmd([CC, '-c', '-o', basename+'.o', basename+'.c', '-I' + INCDIR] + CFLAGS.split())
def cycompile(input_file, options=()):
from ..Compiler import Version, CmdLine, Main
options, sources = CmdLine.parse_command_line(list(options or ()) + ['--embed', input_file])
_debug('Using Cython %s to compile %s', Version.version, input_file)
result = Main.compile(sources, options)
if result.num_errors > 0:
sys.exit(1)
def exec_file(program_name, args=()):
runcmd([os.path.abspath(program_name)] + list(args), shell=False)
def build(input_file, compiler_args=(), force=False):
"""
Build an executable program from a Cython module.
Returns the name of the executable file.
"""
basename = os.path.splitext(input_file)[0]
exe_file = basename + EXE_EXT
if not force and os.path.abspath(exe_file) == os.path.abspath(input_file):
raise ValueError("Input and output file names are the same, refusing to overwrite")
if (not force and os.path.exists(exe_file) and os.path.exists(input_file)
and os.path.getmtime(input_file) <= os.path.getmtime(exe_file)):
_debug("File is up to date, not regenerating %s", exe_file)
return exe_file
cycompile(input_file, compiler_args)
ccompile(basename)
clink(basename)
return exe_file
def build_and_run(args):
"""
Build an executable program from a Cython module and runs it.
Arguments after the module name will be passed verbatimely to the
program.
"""
cy_args = []
last_arg = None
for i, arg in enumerate(args):
if arg.startswith('-'):
cy_args.append(arg)
elif last_arg in ('-X', '--directive'):
cy_args.append(arg)
else:
input_file = arg
args = args[i+1:]
break
last_arg = arg
else:
raise ValueError('no input file provided')
program_name = build(input_file, cy_args)
exec_file(program_name, args)
if __name__ == '__main__':
build_and_run(sys.argv[1:])
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