You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
3.4 KiB
120 lines
3.4 KiB
"""Script to build and install decoder package."""
|
|
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import print_function
|
|
|
|
from setuptools import setup, Extension, distutils
|
|
import glob
|
|
import platform
|
|
import os, sys
|
|
import multiprocessing.pool
|
|
import argparse
|
|
|
|
parser = argparse.ArgumentParser(description=__doc__)
|
|
parser.add_argument(
|
|
"--num_processes",
|
|
default=1,
|
|
type=int,
|
|
help="Number of cpu processes to build package. (default: %(default)d)")
|
|
args = parser.parse_known_args()
|
|
|
|
# reconstruct sys.argv to pass to setup below
|
|
sys.argv = [sys.argv[0]] + args[1]
|
|
|
|
|
|
# monkey-patch for parallel compilation
|
|
# See: https://stackoverflow.com/a/13176803
|
|
def parallelCCompile(self,
|
|
sources,
|
|
output_dir=None,
|
|
macros=None,
|
|
include_dirs=None,
|
|
debug=0,
|
|
extra_preargs=None,
|
|
extra_postargs=None,
|
|
depends=None):
|
|
# those lines are copied from distutils.ccompiler.CCompiler directly
|
|
macros, objects, extra_postargs, pp_opts, build = self._setup_compile(
|
|
output_dir, macros, include_dirs, sources, depends, extra_postargs)
|
|
cc_args = self._get_cc_args(pp_opts, debug, extra_preargs)
|
|
|
|
# parallel code
|
|
def _single_compile(obj):
|
|
try:
|
|
src, ext = build[obj]
|
|
except KeyError:
|
|
return
|
|
self._compile(obj, src, ext, cc_args, extra_postargs, pp_opts)
|
|
|
|
# convert to list, imap is evaluated on-demand
|
|
thread_pool = multiprocessing.pool.ThreadPool(args[0].num_processes)
|
|
list(thread_pool.imap(_single_compile, objects))
|
|
return objects
|
|
|
|
|
|
def compile_test(header, library):
|
|
dummy_path = os.path.join(os.path.dirname(__file__), "dummy")
|
|
command = "bash -c \"g++ -include " + header \
|
|
+ " -l" + library + " -x c++ - <<<'int main() {}' -o " \
|
|
+ dummy_path + " >/dev/null 2>/dev/null && rm " \
|
|
+ dummy_path + " 2>/dev/null\""
|
|
return os.system(command) == 0
|
|
|
|
|
|
# hack compile to support parallel compiling
|
|
distutils.ccompiler.CCompiler.compile = parallelCCompile
|
|
|
|
FILES = glob.glob('kenlm/util/*.cc') \
|
|
+ glob.glob('kenlm/lm/*.cc') \
|
|
+ glob.glob('kenlm/util/double-conversion/*.cc')
|
|
|
|
FILES += glob.glob('openfst-1.6.3/src/lib/*.cc')
|
|
|
|
FILES = [
|
|
fn for fn in FILES
|
|
if not (fn.endswith('main.cc') or fn.endswith('test.cc') or fn.endswith(
|
|
'unittest.cc'))
|
|
]
|
|
|
|
LIBS = ['stdc++']
|
|
if platform.system() != 'Darwin':
|
|
LIBS.append('rt')
|
|
|
|
ARGS = ['-O3', '-DNDEBUG', '-DKENLM_MAX_ORDER=6', '-std=c++11']
|
|
|
|
if compile_test('zlib.h', 'z'):
|
|
ARGS.append('-DHAVE_ZLIB')
|
|
LIBS.append('z')
|
|
|
|
if compile_test('bzlib.h', 'bz2'):
|
|
ARGS.append('-DHAVE_BZLIB')
|
|
LIBS.append('bz2')
|
|
|
|
if compile_test('lzma.h', 'lzma'):
|
|
ARGS.append('-DHAVE_XZLIB')
|
|
LIBS.append('lzma')
|
|
|
|
os.system('swig -python -c++ ./decoders.i')
|
|
|
|
decoders_module = [
|
|
Extension(
|
|
name='_swig_decoders',
|
|
sources=FILES + glob.glob('*.cxx') + glob.glob('*.cpp'),
|
|
language='c++',
|
|
include_dirs=[
|
|
'.',
|
|
'kenlm',
|
|
'openfst-1.6.3/src/include',
|
|
'ThreadPool',
|
|
],
|
|
libraries=LIBS,
|
|
extra_compile_args=ARGS)
|
|
]
|
|
|
|
setup(
|
|
name='swig_decoders',
|
|
version='1.1',
|
|
description="""CTC decoders""",
|
|
ext_modules=decoders_module,
|
|
py_modules=['swig_decoders'], )
|