python/setup.py

   1 #!/usr/bin/python -u
   2 #
   3 # Setup script for libxml2 and libxslt if found
   4 #
   5 import sys, os
   6 from distutils.core import setup, Extension
   7
   8 # Below ROOT, we expect to find include, include/libxml2, lib and bin.
   9 # On *nix, it is not needed (but should not harm),
  10 # on Windows, it is set by configure.js.
  11 ROOT = r'/usr'
  12
  13 # Thread-enabled libxml2
  14 with_threads = 1
  15
  16 # If this flag is set (windows only),
  17 # a private copy of the dlls are included in the package.
  18 # If this flag is not set, the libxml2 and libxslt
  19 # dlls must be found somewhere in the PATH at runtime.
  20 WITHDLLS = 1 and sys.platform.startswith('win')
  21
  22 def missing(file):
  23     if os.access(file, os.R_OK) == 0:
  24         return 1
  25     return 0
  26
  27 try:
  28     HOME = os.environ['HOME']
  29 except:
  30     HOME="C:"
  31
  32 if WITHDLLS:
  33     # libxml dlls (expected in ROOT/bin)
  34     dlls = [ 'iconv.dll','libxml2.dll','libxslt.dll','libexslt.dll' ]
  35     dlls = [os.path.join(ROOT,'bin',dll) for dll in dlls]
  36
  37     # create __init__.py for the libxmlmods package
  38     if not os.path.exists("libxmlmods"):
  39         os.mkdir("libxmlmods")
  40         open("libxmlmods/__init__.py","w").close()
  41
  42     def altImport(s):
  43         s = s.replace("import libxml2mod","from libxmlmods import libxml2mod")
  44         s = s.replace("import libxsltmod","from libxmlmods import libxsltmod")
  45         return s
  46
  47 if sys.platform.startswith('win'):
  48     libraryPrefix = 'lib'
  49     platformLibs = []
  50 else:
  51     libraryPrefix = ''
  52     platformLibs = ["m","z"]
  53
  54 # those are examined to find
  55 # - libxml2/libxml/tree.h
  56 # - iconv.h
  57 # - libxslt/xsltconfig.h
  58 includes_dir = [
  59 "/usr/include",
  60 "/usr/local/include",
  61 "/opt/include",
  62 os.path.join(ROOT,'include'),
  63 HOME
  64 ];
  65
  66 xml_includes=""
  67 for dir in includes_dir:
  68     if not missing(dir + "/libxml2/libxml/tree.h"):
  69         xml_includes=dir + "/libxml2"
  70         break;
  71
  72 if xml_includes == "":
  73     print("failed to find headers for libxml2: update includes_dir")
  74     sys.exit(1)
  75
  76 iconv_includes=""
  77 for dir in includes_dir:
  78     if not missing(dir + "/iconv.h"):
  79         iconv_includes=dir
  80         break;
  81
  82 if iconv_includes == "":
  83     print("failed to find headers for libiconv: update includes_dir")
  84     sys.exit(1)
  85
  86 # those are added in the linker search path for libraries
  87 libdirs = [
  88 os.path.join(ROOT,'lib'),
  89 ]
  90
  91 xml_files = ["libxml2-api.xml", "libxml2-python-api.xml",
  92              "libxml.c", "libxml.py", "libxml_wrap.h", "types.c",
  93              "xmlgenerator.py", "README", "TODO", "drv_libxml2.py"]
  94
  95 xslt_files = ["libxslt-api.xml", "libxslt-python-api.xml",
  96              "libxslt.c", "libxsl.py", "libxslt_wrap.h",
  97              "xsltgenerator.py"]
  98
  99 if missing("libxml2-py.c") or missing("libxml2.py"):
 100     try:
 101         try:
 102             import xmlgenerator
 103         except:
 104             import generator
 105     except:
 106         print("failed to find and generate stubs for libxml2, aborting ...")
 107         print(sys.exc_info()[0], sys.exc_info()[1])
 108         sys.exit(1)
 109
 110     head = open("libxml.py", "r")
 111     generated = open("libxml2class.py", "r")
 112     result = open("libxml2.py", "w")
 113     for line in head.readlines():
 114         if WITHDLLS:
 115             result.write(altImport(line))
 116         else:
 117             result.write(line)
 118     for line in generated.readlines():
 119         result.write(line)
 120     head.close()
 121     generated.close()
 122     result.close()
 123
 124 with_xslt=0
 125 if missing("libxslt-py.c") or missing("libxslt.py"):
 126     if missing("xsltgenerator.py") or missing("libxslt-api.xml"):
 127         print("libxslt stub generator not found, libxslt not built")
 128     else:
 129         try:
 130             import xsltgenerator
 131         except:
 132             print("failed to generate stubs for libxslt, aborting ...")
 133             print(sys.exc_info()[0], sys.exc_info()[1])
 134         else:
 135             head = open("libxsl.py", "r")
 136             generated = open("libxsltclass.py", "r")
 137             result = open("libxslt.py", "w")
 138             for line in head.readlines():
 139                 if WITHDLLS:
 140                     result.write(altImport(line))
 141                 else:
 142                     result.write(line)
 143             for line in generated.readlines():
 144                 result.write(line)
 145             head.close()
 146             generated.close()
 147             result.close()
 148             with_xslt=1
 149 else:
 150     with_xslt=1
 151
 152 if with_xslt == 1:
 153     xslt_includes=""
 154     for dir in includes_dir:
 155         if not missing(dir + "/libxslt/xsltconfig.h"):
 156             xslt_includes=dir + "/libxslt"
 157             break;
 158
 159     if xslt_includes == "":
 160         print("failed to find headers for libxslt: update includes_dir")
 161         with_xslt = 0
 162
 163
 164 descr = "libxml2 package"
 165 modules = [ 'libxml2', 'drv_libxml2' ]
 166 if WITHDLLS:
 167     modules.append('libxmlmods.__init__')
 168 c_files = ['libxml2-py.c', 'libxml.c', 'types.c' ]
 169 includes= [xml_includes, iconv_includes]
 170 libs    = [libraryPrefix + "xml2"] + platformLibs
 171 macros  = []
 172 if with_threads:
 173     macros.append(('_REENTRANT','1'))
 174 if with_xslt == 1:
 175     descr = "libxml2 and libxslt package"
 176     if not sys.platform.startswith('win'):
 177         #
 178         # We are gonna build 2 identical shared libs with merge initializing
 179         # both libxml2mod and libxsltmod
 180         #
 181         c_files = c_files + ['libxslt-py.c', 'libxslt.c']
 182         xslt_c_files = c_files
 183         macros.append(('MERGED_MODULES', '1'))
 184     else:
 185         #
 186         # On windows the MERGED_MODULE option is not needed
 187         # (and does not work)
 188         #
 189         xslt_c_files = ['libxslt-py.c', 'libxslt.c', 'types.c']
 190     libs.insert(0, libraryPrefix + 'exslt')
 191     libs.insert(0, libraryPrefix + 'xslt')
 192     includes.append(xslt_includes)
 193     modules.append('libxslt')
 194
 195
 196 extens=[Extension('libxml2mod', c_files, include_dirs=includes,
 197                   library_dirs=libdirs,
 198                   libraries=libs, define_macros=macros)]
 199 if with_xslt == 1:
 200     extens.append(Extension('libxsltmod', xslt_c_files, include_dirs=includes,
 201                             library_dirs=libdirs,
 202                             libraries=libs, define_macros=macros))
 203
 204 if missing("MANIFEST"):
 205
 206     manifest = open("MANIFEST", "w")
 207     manifest.write("setup.py\n")
 208     for file in xml_files:
 209         manifest.write(file + "\n")
 210     if with_xslt == 1:
 211         for file in xslt_files:
 212             manifest.write(file + "\n")
 213     manifest.close()
 214
 215 if WITHDLLS:
 216     ext_package = "libxmlmods"
 217     if sys.version >= "2.2":
 218         base = "lib/site-packages/"
 219     else:
 220         base = ""
 221     data_files = [(base+"libxmlmods",dlls)]
 222 else:
 223     ext_package = None
 224     data_files = []
 225
 226 setup (name = "libxml2-python",
 227        # On *nix, the version number is created from setup.py.in
 228        # On windows, it is set by configure.js
 229        version = "2.9.4",
 230        description = descr,
 231        author = "Daniel Veillard",
 232        author_email = "veillard@redhat.com",
 233        url = "http://xmlsoft.org/python.html",
 234        licence="MIT Licence",
 235        py_modules=modules,
 236        ext_modules=extens,
 237        ext_package=ext_package,
 238        data_files=data_files,
 239        )
 240
 241 sys.exit(0)
 242