1#!/usr/bin/python -u
2#
3# Setup script for libxml2 and libxslt if found
4#
5import sys, os
6from 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.
11ROOT = r'/usr/local'
12
13# Thread-enabled libxml2
14with_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.
20WITHDLLS = 1 and sys.platform.startswith('win')
21
22def missing(file):
23    if os.access(file, os.R_OK) == 0:
24        return 1
25    return 0
26
27try:
28    HOME = os.environ['HOME']
29except:
30    HOME="C:"
31
32if 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
47if sys.platform.startswith('win'):
48    libraryPrefix = 'lib'
49    platformLibs = []
50else:
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
58includes_dir = [
59"/usr/include",
60"/usr/local/include",
61"/opt/include",
62os.path.join(ROOT,'include'),
63HOME
64];
65
66xml_includes=""
67for dir in includes_dir:
68    if not missing(dir + "/libxml2/libxml/tree.h"):
69        xml_includes=dir + "/libxml2"
70        break;
71
72if xml_includes == "":
73    print("failed to find headers for libxml2: update includes_dir")
74    sys.exit(1)
75
76iconv_includes=""
77for dir in includes_dir:
78    if not missing(dir + "/iconv.h"):
79        iconv_includes=dir
80        break;
81
82if 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
87libdirs = [
88os.path.join(ROOT,'lib'),
89]
90
91xml_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
95xslt_files = ["libxslt-api.xml", "libxslt-python-api.xml",
96             "libxslt.c", "libxsl.py", "libxslt_wrap.h",
97             "xsltgenerator.py"]
98
99if 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
124with_xslt=0
125if 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
149else:
150    with_xslt=1
151
152if 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
164descr = "libxml2 package"
165modules = [ 'libxml2', 'drv_libxml2' ]
166if WITHDLLS:
167    modules.append('libxmlmods.__init__')
168c_files = ['libxml2-py.c', 'libxml.c', 'types.c' ]
169includes= [xml_includes, iconv_includes]
170libs    = [libraryPrefix + "xml2"] + platformLibs
171macros  = []
172if with_threads:
173    macros.append(('_REENTRANT','1'))
174if 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
196extens=[Extension('libxml2mod', c_files, include_dirs=includes,
197                  library_dirs=libdirs,
198                  libraries=libs, define_macros=macros)]
199if 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
204if 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
215if 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)]
222else:
223    ext_package = None
224    data_files = []
225
226setup (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
241sys.exit(0)
242
243