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setup.py
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setup.py
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#!/usr/bin/env python3
import os
import platform
import re
import subprocess
import sys
from packaging import version
from setuptools import Extension, setup
from setuptools.command.build_ext import build_ext
# Environment variables:
# - `USE_CUDA=0` disables building CUDA components
# - `USE_KENLM=0` disables building KenLM
# - `USE_MKL=1` enables MKL (may cause errors)
def check_env_flag(name, default=""):
return os.getenv(name, default).upper() in ["ON", "1", "YES", "TRUE", "Y"]
def check_negative_env_flag(name, default=""):
return os.getenv(name, default).upper() in ["OFF", "0", "NO", "FALSE", "N"]
class CMakeExtension(Extension):
def __init__(self, name):
Extension.__init__(self, name, sources=[])
class CMakeBuild(build_ext):
def run(self):
try:
out = subprocess.check_output(["cmake", "--version"])
except OSError:
raise RuntimeError(
"CMake must be installed to build the following extensions: "
+ ", ".join(e.name for e in self.extensions)
)
cmake_version = re.search(r"version\s*([\d.]+)", out.decode().lower()).group(1)
if version.parse(cmake_version) < version.parse("3.5.1"):
raise RuntimeError("CMake >= 3.5.1 is required to build wav2letter")
# our CMakeLists builds all the extensions at once
self.build_extensions()
def build_extensions(self):
extdir = os.path.abspath("wav2letter")
sourcedir = os.path.abspath("../..")
use_cuda = "OFF" if check_negative_env_flag("USE_CUDA") else "ON"
use_kenlm = "OFF" if check_negative_env_flag("USE_KENLM") else "ON"
use_mkl = "ON" if check_env_flag("USE_MKL") else "OFF"
cmake_args = [
"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=" + extdir,
"-DPYTHON_EXECUTABLE=" + sys.executable,
"-DW2L_BUILD_LIBRARIES_ONLY=ON",
"-DW2L_BUILD_FOR_PYTHON=ON",
"-DW2L_LIBRARIES_USE_CUDA=" + use_cuda,
"-DW2L_LIBRARIES_USE_KENLM=" + use_kenlm,
"-DW2L_LIBRARIES_USE_MKL=" + use_mkl,
]
cfg = "Debug" if self.debug else "Release"
build_args = ["--config", cfg]
if platform.system() == "Windows":
# cmake_args += [
# "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_{}={}".format(cfg.upper(), extdir)
# ]
# if sys.maxsize > 2 ** 32:
# cmake_args += ["-A", "x64"]
# build_args += ["--", "/m"]
raise RuntimeError("wav2letter doesn't support building on Windows yet")
else:
cmake_args += ["-DCMAKE_BUILD_TYPE=" + cfg]
build_args += ["--", "-j4"]
env = os.environ.copy()
env["CXXFLAGS"] = '{} -DVERSION_INFO=\\"{}\\"'.format(
env.get("CXXFLAGS", ""), self.distribution.get_version()
)
if not os.path.exists(self.build_temp):
os.makedirs(self.build_temp)
subprocess.check_call(
["cmake", sourcedir] + cmake_args, cwd=self.build_temp, env=env
)
subprocess.check_call(
["cmake", "--build", "."] + build_args, cwd=self.build_temp
)
setup(
name="wav2letter",
version="0.0.1",
author="Jeff Cai",
author_email="jcai@fb.com",
description="wav2letter bindings for python",
long_description="",
ext_modules=[
CMakeExtension("wav2letter._common"),
CMakeExtension("wav2letter._criterion"),
CMakeExtension("wav2letter._decoder"),
CMakeExtension("wav2letter._feature"),
],
cmdclass={"build_ext": CMakeBuild},
zip_safe=False,
)