mirror of
https://gitlab.gnome.org/GNOME/libxslt
synced 2025-06-13 23:21:33 +03:00
build: Add a distutils-based build system for the Python bits
This is a streamlined version of the libxml2 setup.py.in that is adapted for libxslt so that one can build the Python bindings and build wheels easily, especially for Windows builds. This will bundle the libxslt and libexslt DLLs, which matters more for Python 3.8.x and later on Windows, where the dependent DLLs need to be found at where the .pyd files are located unless one uses os.add_dll_directory(); the libxml2 (and its dependent DLLs) should be located with the libxml2-python package.
This commit is contained in:
Chun-wei Fan
committed by
Chun-wei Fan
Chun-wei Fan
parent
ece1f846f4
commit
e85d9dc54f
@ -13,7 +13,8 @@ EXTRA_DIST = \
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libxml_wrap.h \
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libxslt_wrap.h \
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libxsl.py \
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libxslt-python-api.xml
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libxslt-python-api.xml \
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setup.py.in
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if WITH_PYTHON
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203
python/setup.py.in
Normal file
203
python/setup.py.in
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@ -0,0 +1,203 @@
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#!/usr/bin/python -u
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#
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# Setup script for libxml2 and libxslt if found
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#
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import sys, os, subprocess
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try:
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import setuptools
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except ImportError:
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pass
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from distutils.core import setup, Extension
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# Below ROOT, we expect to find include, include/libxml2, lib and bin.
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# On *nix, it is not needed (but should not harm),
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# on Windows, it is set by configure.js.
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ROOT = r'@prefix@'
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# If this flag is set (windows only),
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# a private copy of the dlls are included in the package.
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# If this flag is not set, the libxml2 and libxslt
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# dlls must be found somewhere in the PATH at runtime.
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WITHDLLS = 1 and sys.platform.startswith('win')
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def missing(file):
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if os.access(file, os.R_OK) == 0:
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return 1
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return 0
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try:
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HOME = os.environ['HOME']
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except:
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HOME="C:"
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if sys.platform.startswith('win'):
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libraryPrefix = 'lib'
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platformLibs = []
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else:
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libraryPrefix = ''
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platformLibs = ["m","z"]
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# those are examined to find
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# - libxslt/xsltconfig.h
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includes_dir = [
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"/usr/include",
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"/usr/local/include",
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"/opt/include",
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os.path.join(ROOT,'include'),
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HOME
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];
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# those are added in the linker search path for libraries
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libdirs = [
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os.path.join(ROOT,'lib'),
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]
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xslt_files = ["libxslt-api.xml", "libxslt-python-api.xml",
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"libxslt.c", "libxsl.py", "libxslt_wrap.h",
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"generator.py"]
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if WITHDLLS:
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def altImport(s):
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s = s.replace("import libxml2mod","from libxmlmods import libxml2mod")
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s = s.replace("import libxsltmod","from libxsltmods import libxsltmod")
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return s
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if missing("libxslt-py.c") or missing("libxslt.py"):
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if missing("generator.py") or missing(os.path.join("..", "doc", "libxslt-api.xml")):
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print("libxslt stub generator not found, libxslt not built")
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else:
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try:
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if hasattr(subprocess, 'run'):
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subprocess.run([sys.executable,
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'generator.py',
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os.path.join('..', 'doc', 'libxslt-api.xml'),
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'libxslt-python-api.xml'
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], check=True)
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else:
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subprocess.check_output([sys.executable,
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'generator.py',
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os.path.join('..', 'doc', 'libxslt-api.xml'),
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'libxslt-python-api.xml'])
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except:
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print("failed to generate stubs for libxslt, aborting ...")
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print(sys.exc_info()[0], sys.exc_info()[1])
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else:
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head = open("libxsl.py", "r")
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generated = open("libxsltclass.py", "r")
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result = open("libxslt.py", "w")
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for line in head.readlines():
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if WITHDLLS:
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result.write(altImport(line))
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else:
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result.write(line)
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for line in generated.readlines():
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result.write(line)
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head.close()
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generated.close()
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result.close()
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xml_includes=""
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for dir in includes_dir:
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if not missing(dir + "/libxml2/libxml/tree.h"):
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xml_includes=dir + "/libxml2"
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break;
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if xml_includes == "":
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print("failed to find headers for libxml2: update includes_dir")
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sys.exit(1)
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xslt_includes=""
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for dir in includes_dir:
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if not missing(dir + "/libxslt/xsltconfig.h"):
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xslt_includes=dir + "/libxslt"
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break;
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if xslt_includes == "":
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print("failed to find headers for libxslt: update includes_dir")
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if WITHDLLS:
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# libxslt dlls (expected in ROOT/bin)
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dlls = ['libxslt.dll','libexslt.dll']
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packaged_dlls = [os.path.join(ROOT,'bin',dll) for dll in dlls]
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# create __init__.py for the libxsltmods package
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if not os.path.exists("libxsltmods"):
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os.mkdir("libxsltmods")
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open("libxsltmods/__init__.py","w").close()
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packaged_dlls = [os.path.join(ROOT,'bin',dll) for dll in dlls]
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descr = "libxslt package"
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modules = [ 'libxslt']
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if WITHDLLS:
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modules.append('libxsltmods.__init__')
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c_files = []
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includes= [xslt_includes, xml_includes]
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libs = platformLibs
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macros = []
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descr = "libxslt package"
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if not sys.platform.startswith('win'):
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#
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# We are gonna build 2 identical shared libs with merge initializing
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# both libxml2mod and libxsltmod
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#
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c_files = c_files + ['libxslt-py.c', 'libxslt.c']
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xslt_c_files = c_files
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else:
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#
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# On windows the MERGED_MODULE option is not needed
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# (and does not work)
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#
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xslt_c_files = ['libxslt-py.c', 'libxslt.c', 'types.c']
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libs.insert(0, libraryPrefix + 'exslt')
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libs.insert(0, libraryPrefix + 'xslt')
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libs.insert(0, libraryPrefix + 'xml2')
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includes.append(xslt_includes)
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modules.append('libxslt')
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extens=[Extension('libxsltmod', xslt_c_files, include_dirs=includes,
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library_dirs=libdirs,
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libraries=libs, define_macros=macros)]
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if missing("MANIFEST"):
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manifest = open("MANIFEST", "w")
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manifest.write("setup.py\n")
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for file in xslt_files:
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manifest.write(file + "\n")
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manifest.close()
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if WITHDLLS:
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ext_package = "libxsltmods"
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if sys.version >= "2.2":
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base = "lib/site-packages/"
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else:
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base = ""
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data_files = [(base+ext_package,packaged_dlls)]
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else:
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ext_package = None
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data_files = []
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setup (name = "libxslt-python",
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# On *nix, the version number is created from setup.py.in
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# On windows, it is set by configure.js
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version = "@VERSION@",
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description = descr,
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author = "Daniel Veillard",
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author_email = "veillard@redhat.com",
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url = "https://gitlab.gnome.org/GNOME/libxslt",
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licence="MIT Licence",
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py_modules=modules,
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ext_modules=extens,
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ext_package=ext_package,
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data_files=data_files,
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install_requires=['libxml2_python>=@LIBXML_REQUIRED_VERSION@'],
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)
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sys.exit(0)
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