forked from Mirrors/btrfs-progs
112 lines
3.2 KiB
Python
112 lines
3.2 KiB
Python
#!/usr/bin/env python3
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# Copyright (C) 2018 Facebook
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#
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# This file is part of libbtrfsutil.
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#
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# libbtrfsutil is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# libbtrfsutil is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with libbtrfsutil. If not, see <http://www.gnu.org/licenses/>.
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import re
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import os
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import os.path
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from setuptools import setup, Extension
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from setuptools.command.build_ext import build_ext
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import subprocess
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def get_version():
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with open('../btrfsutil.h', 'r') as f:
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btrfsutil_h = f.read()
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major = re.search(r'^#define BTRFS_UTIL_VERSION_MAJOR ([0-9]+)$',
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btrfsutil_h, flags=re.MULTILINE).group(1)
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minor = re.search(r'^#define BTRFS_UTIL_VERSION_MINOR ([0-9]+)$',
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btrfsutil_h, flags=re.MULTILINE).group(1)
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patch = re.search(r'^#define BTRFS_UTIL_VERSION_PATCH ([0-9]+)$',
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btrfsutil_h, flags=re.MULTILINE).group(1)
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return major + '.' + minor + '.' + patch
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def out_of_date(dependencies, target):
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dependency_mtimes = [os.path.getmtime(dependency) for dependency in dependencies]
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try:
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target_mtime = os.path.getmtime(target)
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except OSError:
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return True
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return any(dependency_mtime >= target_mtime for dependency_mtime in dependency_mtimes)
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def gen_constants():
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with open('../btrfsutil.h', 'r') as f:
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btrfsutil_h = f.read()
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constants = re.findall(
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r'^\s*(BTRFS_UTIL_ERROR_[a-zA-Z0-9_]+)',
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btrfsutil_h, flags=re.MULTILINE)
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with open('constants.c', 'w') as f:
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f.write("""\
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#include <btrfsutil.h>
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#include "btrfsutilpy.h"
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void add_module_constants(PyObject *m)
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{
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""")
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for constant in constants:
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assert constant.startswith('BTRFS_UTIL_')
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name = constant[len('BTRFS_UTIL_'):]
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f.write('\tPyModule_AddIntConstant(m, "{}", {});\n'.format(name, constant))
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f.write("""\
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}
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""")
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class my_build_ext(build_ext):
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def run(self):
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if out_of_date(['../btrfsutil.h'], 'constants.c'):
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try:
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gen_constants()
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except Exception as e:
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try:
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os.remove('constants.c')
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except OSError:
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pass
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raise e
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super().run()
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module = Extension(
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name='btrfsutil',
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sources=[
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'constants.c',
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'error.c',
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'filesystem.c',
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'module.c',
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'qgroup.c',
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'subvolume.c',
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],
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include_dirs=['..'],
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library_dirs=['../..'],
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libraries=['btrfsutil'],
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)
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setup(
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name='btrfsutil',
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version=get_version(),
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description='Library for managing Btrfs filesystems',
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url='https://github.com/kdave/btrfs-progs',
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license='LGPLv3',
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cmdclass={'build_ext': my_build_ext},
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ext_modules=[module],
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)
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