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# -*- coding: utf-8 -*-
#!/usr/bin/env python
#
# setup.py
#
# Copyright (C) 2009 Damien Churchill <damoxc@gmail.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA
#
import os
from os.path import exists, join, splitext
from pathlib import Path
import platform
import struct
import subprocess
import sys
from setuptools import setup, Extension
from distutils import log
from distutils.cmd import Command
from distutils.command.clean import clean as _clean
have_c_files = exists('pymssql/_mssql.c') and exists('pymssql/_pymssql.c')
if have_c_files:
from distutils.command.build_ext import build_ext as _build_ext
else:
# Force `setup_requires` stuff like Cython to be installed before proceeding
from setuptools.dist import Distribution
Distribution(dict(setup_requires='Cython>=3.0'))
from Cython.Distutils import build_ext as _build_ext
def check_env(env_name, default):
val = os.getenv(env_name, default)
if val.upper() in ('1', 'YES', 'TRUE'):
return True
elif val.upper() in ('0', 'NO', 'FALSE'):
return False
else:
raise Exception(f"Unsupported environment value {env_name}={val}")
LINK_FREETDS_STATICALLY = check_env('LINK_FREETDS_STATICALLY', 'YES')
LINK_OPENSSL = check_env('LINK_OPENSSL', 'YES')
LINK_KRB5 = check_env('LINK_KRB5', 'YES')
# 32 bit or 64 bit system?
BITNESS = struct.calcsize("P") * 8
WINDOWS = platform.system() == 'Windows'
MACOS = platform.system() == 'Darwin'
include_dirs = []
library_dirs = []
libraries = ['sybdb']
prefix = "/usr/local"
if os.getenv('PYMSSQL_FREETDS'):
prefix = os.path.abspath(os.getenv('PYMSSQL_FREETDS').strip())
elif exists("/usr/local/include/sqlfront.h"):
prefix = "/usr/local"
elif exists("/usr/local/opt/freetds/include/sqlfront.h"): # brew macOS on Intel
prefix = "/usr/local/opt/freetds"
elif exists("/opt/homebrew/opt/freetds/include/sqlfront.h"): # brew macOS on Apple Silicon/ARM
prefix = "/opt/homebrew/opt/freetds"
elif exists("/opt/local/include/sqlfront.h"): # MacPorts
prefix = "/opt/local"
elif exists("/sw/include/sqlfront.h"): # Fink
prefix = "/sw"
print(f"prefix='{prefix}'")
if os.getenv('PYMSSQL_FREETDS_INCLUDEDIR'):
include_dirs = [ os.getenv('PYMSSQL_FREETDS_INCLUDEDIR') ]
else:
include_dirs = [ join(prefix, "include") ]
if os.getenv('PYMSSQL_FREETDS_LIBDIR'):
library_dirs = [ os.getenv('PYMSSQL_FREETDS_LIBDIR') ]
else:
if BITNESS == 64 and exists(join(prefix, "lib64")):
library_dirs = [ join(prefix, "lib64") ]
else:
library_dirs = [ join(prefix, "lib") ]
if MACOS:
pref = subprocess.getoutput('brew --prefix openssl')
print(f"PREFIX={pref}")
include_dirs.append(f"{pref}/include")
library_dirs.append(f"{pref}/lib")
print("setup.py: platform.system() =>", platform.system())
print("setup.py: platform.architecture() =>", platform.architecture())
if not WINDOWS:
print("setup.py: platform.libc_ver() =>", platform.libc_ver())
print("setup.py: include_dirs =>", include_dirs)
print("setup.py: library_dirs =>", library_dirs)
if not WINDOWS and platform.libc_ver()[0] == 'glibc':
# check for clock_gettime, link with librt for glibc<2.17
from dev import ccompiler
ccompiler.check_clock_gettime(libraries)
class build_ext(_build_ext):
"""
Subclass the Cython build_ext command so it:
* Can handle different C compilers on Windows
* Links in the libraries we collected
"""
def build_extensions(self):
global library_dirs, include_dirs, libraries
extra_cc_args = []
if WINDOWS:
# Detect the compiler so we can specify the correct command line switches
# and libraries
from distutils.cygwinccompiler import Mingw32CCompiler
if isinstance(self.compiler, Mingw32CCompiler):
# Compiler is Mingw32
extra_cc_args = [
'-Wl,-allow-multiple-definition',
'-Wl,-subsystem,windows-mthreads',
'-mwindows',
'-Wl,--strip-all'
]
libraries = [
'libiconv', 'iconv',
'sybdb',
'ws2_32', 'wsock32', 'kernel32',
]
else:
# Assume compiler is Visual Studio
if LINK_FREETDS_STATICALLY:
libraries = [
'replacements',
'db-lib', 'tds', 'tdsutils',
'ws2_32', 'wsock32', 'kernel32', 'shell32',
]
if LINK_OPENSSL:
libraries.extend([
'libssl_static', 'libcrypto_static',
'crypt32', 'advapi32', 'gdi32', 'user32',
])
else:
libraries = [
'sybdb',
'ws2_32', 'wsock32', 'kernel32', 'shell32',
]
if LINK_OPENSSL:
libraries.extend(['libssl', 'libcrypto'])
for e in self.extensions:
e.extra_compile_args.extend(extra_cc_args)
e.libraries.extend(libraries)
if LINK_OPENSSL:
if BITNESS == 32:
e.library_dirs.append("c:/Program Files (x86)/OpenSSL-Win32/lib")
else:
e.library_dirs.append("c:/Program Files/OpenSSL/lib")
else:
if LINK_KRB5:
libraries.extend([ 'gssapi_krb5', 'krb5'] )
if LINK_OPENSSL and LINK_FREETDS_STATICALLY:
libraries.extend([ 'ssl', 'crypto' ])
if MACOS:
extra_cc_args = [
'-Wno-unreachable-code-fallthrough',
]
for e in self.extensions:
e.libraries.extend(libraries)
e.extra_compile_args.extend(extra_cc_args)
_build_ext.build_extensions(self)
class clean(_clean):
"""
Subclass clean so it removes all the Cython generated files.
"""
def run(self):
_clean.run(self)
for ext in self.distribution.ext_modules:
cy_sources = [splitext(s)[0] for s in ext.sources]
for cy_source in cy_sources:
# .so/.pyd files are created in place when using 'develop'
for ext in ('.c', '.so', '.pyd'):
generated = cy_source + ext
if exists(generated):
log.info('removing %s', generated)
os.remove(generated)
class release(Command):
"""
Setuptools command to run all the required commands to perform
a release. This acts differently depending on the platform it
is being run on.
"""
description = "Run all the commands required for a release."
user_options = []
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
if WINDOWS:
self.release_windows()
else:
self.release_unix()
def release_windows(self):
# generate windows source distributions
sdist = self.distribution.get_command_obj('sdist')
sdist.formats = 'zip'
sdist.ensure_finalized()
sdist.run()
# generate a windows egg
self.run_command('bdist_egg')
# generate windows installers
bdist = self.reinitialize_command('bdist')
bdist.formats = 'zip,wininst'
bdist.ensure_finalized()
bdist.run()
def release_unix(self):
# generate linux source distributions
sdist = self.distribution.get_command_obj('sdist')
sdist.formats = 'gztar,bztar'
sdist.ensure_finalized()
sdist.run()
def ext_modules():
if have_c_files:
source_extension = 'c'
else:
source_extension = 'pyx'
ext_modules = [
Extension('pymssql._mssql', [join('src', 'pymssql', '_mssql.%s' % source_extension)],
extra_compile_args = [ '-DMSDBLIB' ],
include_dirs = include_dirs,
library_dirs = library_dirs,
),
Extension('pymssql._pymssql', [join('src', 'pymssql', '_pymssql.%s' % source_extension)],
extra_compile_args = [ '-DMSDBLIB' ],
include_dirs = include_dirs,
library_dirs = library_dirs,
),
]
for e in ext_modules:
e.cython_directives = {'language_level': sys.version_info[0]}
return ext_modules
def mk_long_description(numrev=1):
readme = (Path('__file__').parent / 'README.rst').read_text()
chlog = Path('__file__').parent / 'ChangeLog.rst'
lines = []
with chlog.open('r') as f:
count = 0
l = f.readline()
while l:
if l.startswith('Version 2'):
count += 1
if count > numrev:
break
lines.append(l)
l = f.readline()
return readme + "\n\n" + ''.join(lines).strip()
setup(
name = 'pymssql',
use_scm_version = {
"write_to": "src/pymssql/version.h",
"write_to_template": 'const char* PYMSSQL_VERSION = "{version}";',
"local_scheme": "no-local-version",
},
description = 'DB-API interface to Microsoft SQL Server for Python. (new Cython-based version)',
long_description = mk_long_description(2),
long_description_content_type = 'text/x-rst',
author = 'Damien Churchill',
author_email = 'damoxc@gmail.com',
maintainer = 'Mikhail Terekhov',
maintainer_email = 'termim@gmail.com',
license = 'LGPL',
platforms = 'any',
keywords = ['mssql', 'SQL Server', 'database', 'DB-API'],
project_urls={
"Documentation": "http://pymssql.readthedocs.io",
"Source": "https://github.com/pymssql/pymssql",
"Changelog": "https://github.com/pymssql/pymssql/blob/master/ChangeLog.rst",
},
cmdclass = {
'build_ext': build_ext,
'clean': clean,
'release': release,
},
classifiers=[
"Development Status :: 5 - Production/Stable",
"Intended Audience :: Developers",
"License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)",
"Programming Language :: Python",
"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",
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: Implementation :: CPython",
"Topic :: Database",
"Topic :: Database :: Database Engines/Servers",
"Topic :: Software Development :: Libraries :: Python Modules",
"Operating System :: Microsoft :: Windows",
"Operating System :: POSIX",
"Operating System :: Unix",
],
zip_safe = False,
setup_requires=['setuptools_scm[toml]>=5.0,<9.0', 'Cython>=3.0.7'],
tests_require=['psutil<5.9.9', 'pytest', 'pytest-timeout', 'pytest-subtests'],
ext_modules = ext_modules(),
packages = [ 'pymssql'],
package_dir = {'': 'src'},
)
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