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#
# Copyright 2013-2020 The py-lmdb authors, all rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted only as authorized by the OpenLDAP
# Public License.
#
# A copy of this license is available in the file LICENSE in the
# top-level directory of the distribution or, alternatively, at
# <http://www.OpenLDAP.org/license.html>.
#
# OpenLDAP is a registered trademark of the OpenLDAP Foundation.
#
# Individual files and/or contributed packages may be copyright by
# other parties and/or subject to additional restrictions.
#
# This work also contains materials derived from public sources.
#
# Additional information about OpenLDAP can be obtained at
# <http://www.openldap.org/>.
#
from __future__ import absolute_import
from __future__ import with_statement
import os
import sys
import shutil
import platform
from setuptools import Extension
from setuptools import setup
try:
import memsink
except ImportError:
memsink = None
if hasattr(platform, 'python_implementation'):
use_cpython = platform.python_implementation() == 'CPython'
else:
use_cpython = True
if os.getenv('LMDB_FORCE_CFFI') is not None:
use_cpython = False
if sys.version[:3] < '2.7' or (3, 0) < sys.version_info[:2] < (3, 4):
sys.stderr.write('Error: py-lmdb requires at least CPython 2.7 or 3.4\n')
raise SystemExit(1)
#
# Figure out which LMDB implementation to use.
#
if os.getenv('LMDB_INCLUDEDIR'):
extra_include_dirs = [os.getenv('LMDB_INCLUDEDIR')]
else:
extra_include_dirs = []
if os.getenv('LMDB_LIBDIR'):
extra_library_dirs = [os.getenv('LMDB_LIBDIR')]
else:
extra_library_dirs = []
extra_include_dirs += ['lib/py-lmdb']
extra_compile_args = []
patch_lmdb_source = False
if os.getenv('LMDB_FORCE_SYSTEM') is not None:
print('py-lmdb: Using system version of liblmdb.')
extra_sources = []
extra_include_dirs += []
libraries = ['lmdb']
elif os.getenv('LMDB_PURE') is not None:
print('py-lmdb: Using bundled unmodified liblmdb; override with LMDB_FORCE_SYSTEM=1.')
extra_sources = ['lib/mdb.c', 'lib/midl.c']
extra_include_dirs += ['lib']
libraries = []
else:
print('py-lmdb: Using bundled liblmdb with py-lmdb patches; override with LMDB_FORCE_SYSTEM=1 or LMDB_PURE=1.')
extra_sources = ['build/lib/mdb.c', 'build/lib/midl.c']
extra_include_dirs += ['build/lib']
extra_compile_args += ['-DHAVE_PATCHED_LMDB=1']
libraries = []
patch_lmdb_source = True
if patch_lmdb_source:
if sys.platform.startswith('win'):
try:
import patch_ng as patch
except ImportError:
raise Exception('Building py-lmdb from source on Windows requires the "patch-ng" python module.')
# Clean out any previously patched files
dest = 'build' + os.sep + 'lib'
try:
os.mkdir('build')
except Exception:
pass
try:
shutil.rmtree(dest)
except Exception:
pass
shutil.copytree('lib', dest)
# Copy away the lmdb source then patch it
if sys.platform.startswith('win'):
patchfile = 'lib' + os.sep + 'py-lmdb' + os.sep + 'env-copy-txn.patch'
patchset = patch.fromfile(patchfile)
rv = patchset.apply(3, root=dest)
if not rv:
raise Exception('Applying patch failed')
else:
rv = os.system('/usr/bin/patch -N -p3 -d build/lib < lib/py-lmdb/env-copy-txn.patch')
if rv:
raise Exception('Applying patch failed')
# distutils perplexingly forces NDEBUG for package code!
extra_compile_args += ['-UNDEBUG']
# Disable some Clang/GCC warnings.
if not os.getenv('LMDB_MAINTAINER'):
extra_compile_args += ['-w']
# Microsoft Visual Studio 9 ships with neither inttypes.h, stdint.h, or a sane
# definition for ssize_t, so here we add lib/win32 to the search path, which
# contains emulation header files provided by a third party. We force-include
# Python.h everywhere since it has a portable definition of ssize_t, which
# inttypes.h and stdint.h lack, and to avoid having to modify the LMDB source
# code. Advapi32 is needed for LMDB's use of Windows security APIs.
p = sys.version.find('MSC v.')
msvc_ver = int(sys.version[p + 6: p + 10]) if p != -1 else None
if sys.platform.startswith('win'):
# If running on Visual Studio<=2010 we must provide <stdint.h>. Newer
# versions provide it out of the box.
if msvc_ver and not msvc_ver >= 1600:
extra_include_dirs += ['lib\\win32-stdint']
extra_include_dirs += ['lib\\win32']
extra_compile_args += [r'/FIPython.h']
libraries += ['Advapi32']
# Capture setup.py configuration for later use by cffi, otherwise the
# configuration may differ, forcing a recompile (and therefore likely compile
# errors). This happens even when `use_cpython` since user might want to
# LMDB_FORCE_CFFI=1 during testing.
with open('lmdb/_config.py', 'w') as fp:
fp.write('CONFIG = dict(%r)\n\n' % ((
('extra_compile_args', extra_compile_args),
('extra_sources', extra_sources),
('extra_library_dirs', extra_library_dirs),
('extra_include_dirs', extra_include_dirs),
('libraries', libraries),
),))
if use_cpython:
print('py-lmdb: Using CPython extension; override with LMDB_FORCE_CFFI=1.')
install_requires = []
if memsink:
extra_compile_args += ['-DHAVE_MEMSINK',
'-I' + os.path.dirname(memsink.__file__)]
ext_modules = [Extension(
name='cpython',
sources=['lmdb/cpython.c'] + extra_sources,
extra_compile_args=extra_compile_args,
libraries=libraries,
include_dirs=extra_include_dirs,
library_dirs=extra_library_dirs
)]
else:
print('Using cffi extension.')
install_requires = ['cffi>=0.8']
try:
import lmdb.cffi
ext_modules = [lmdb.cffi._ffi.verifier.get_extension()]
except ImportError:
sys.stderr.write('Could not import lmdb; ensure cffi is installed!\n')
ext_modules = []
def grep_version():
path = os.path.join(os.path.dirname(__file__), 'lmdb/__init__.py')
with open(path) as fp:
for line in fp:
if line.startswith('__version__'):
return eval(line.split()[-1])
setup(
name='lmdb',
version=grep_version(),
description="Universal Python binding for the LMDB 'Lightning' Database",
long_description="Universal Python binding for the LMDB 'Lightning' Database",
long_description_content_type="text/plain",
author='David Wilson',
maintainer='Nic Watson',
license='OLDAP-2.8',
url='http://github.com/jnwatson/py-lmdb/',
packages=['lmdb'],
classifiers=[
"Programming Language :: Python",
"Programming Language :: Python :: Implementation :: CPython",
"Programming Language :: Python :: Implementation :: PyPy",
"Programming Language :: Python :: 2",
"Programming Language :: Python :: 2.7",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.4",
"Programming Language :: Python :: 3.5",
"Programming Language :: Python :: 3.6",
"Programming Language :: Python :: 3.7",
"Programming Language :: Python :: 3.8",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
"Programming Language :: Python :: 3.11",
"Topic :: Database",
"Topic :: Database :: Database Engines/Servers",
],
ext_package='lmdb',
ext_modules=ext_modules,
install_requires=install_requires,
)
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