# Autodetecting setup.py script for building the Python extensions # # To be fixed: # Implement --disable-modules setting # __version__ = "$Revision$" import sys, os, getopt from distutils import sysconfig from distutils.errors import * from distutils.core import Extension, setup from distutils.command.build_ext import build_ext # This global variable is used to hold the list of modules to be disabled. disabled_module_list = [] def find_file(filename, std_dirs, paths): """Searches for the directory where a given file is located, and returns a possibly-empty list of additional directories, or None if the file couldn't be found at all. 'filename' is the name of a file, such as readline.h or libcrypto.a. 'std_dirs' is the list of standard system directories; if the file is found in one of them, no additional directives are needed. 'paths' is a list of additional locations to check; if the file is found in one of them, the resulting list will contain the directory. """ # Check the standard locations for dir in std_dirs: f = os.path.join(dir, filename) if os.path.exists(f): return [] # Check the additional directories for dir in paths: f = os.path.join(dir, filename) if os.path.exists(f): return [dir] # Not found anywhere return None def find_library_file(compiler, libname, std_dirs, paths): filename = compiler.library_filename(libname, lib_type='shared') result = find_file(filename, std_dirs, paths) if result is not None: return result filename = compiler.library_filename(libname, lib_type='static') result = find_file(filename, std_dirs, paths) return result def module_enabled(extlist, modname): """Returns whether the module 'modname' is present in the list of extensions 'extlist'.""" extlist = [ext for ext in extlist if ext.name == modname] return len(extlist) class PyBuildExt(build_ext): def build_extensions(self): # Detect which modules should be compiled self.detect_modules() # Remove modules that are present on the disabled list self.extensions = [ext for ext in self.extensions if ext.name not in disabled_module_list] # Fix up the autodetected modules, prefixing all the source files # with Modules/ and adding Python's include directory to the path. (srcdir,) = sysconfig.get_config_vars('srcdir') # Figure out the location of the source code for extension modules moddir = os.path.join(os.getcwd(), srcdir, 'Modules') moddir = os.path.normpath(moddir) srcdir, tail = os.path.split(moddir) srcdir = os.path.normpath(srcdir) moddir = os.path.normpath(moddir) for ext in self.extensions[:]: ext.sources = [ os.path.join(moddir, filename) for filename in ext.sources ] ext.include_dirs.append( '.' ) # to get config.h ext.include_dirs.append( os.path.join(srcdir, './Include') ) # If a module has already been built statically, # don't build it here if ext.name in sys.builtin_module_names: self.extensions.remove(ext) # When you run "make CC=altcc" or something similar, you really want # those environment variables passed into the setup.py phase. Here's # a small set of useful ones. compiler = os.environ.get('CC') linker_so = os.environ.get('LDSHARED') args = {} # unfortunately, distutils doesn't let us provide separate C and C++ # compilers if compiler is not None: args['compiler_so'] = compiler if linker_so is not None: args['linker_so'] = linker_so + ' -shared' self.compiler.set_executables(**args) build_ext.build_extensions(self) def build_extension(self, ext): try: build_ext.build_extension(self, ext) except (CCompilerError, DistutilsError), why: self.announce('WARNING: building of extension "%s" failed: %s' % (ext.name, sys.exc_info()[1])) def get_platform (self): # Get value of sys.platform platform = sys.platform if platform[:6] =='cygwin': platform = 'cygwin' return platform def detect_modules(self): # Ensure that /usr/local is always used if '/usr/local/lib' not in self.compiler.library_dirs: self.compiler.library_dirs.append('/usr/local/lib') if '/usr/local/include' not in self.compiler.include_dirs: self.compiler.include_dirs.append( '/usr/local/include' ) # lib_dirs and inc_dirs are used to search for files; # if a file is found in one of those directories, it can # be assumed that no additional -I,-L directives are needed. lib_dirs = self.compiler.library_dirs + ['/lib', '/usr/lib'] inc_dirs = ['/usr/include'] + self.compiler.include_dirs exts = [] platform = self.get_platform() # Check for MacOS X, which doesn't need libm.a at all math_libs = ['m'] if platform == 'Darwin1.2': math_libs = [] # XXX Omitted modules: gl, pure, dl, SGI-specific modules # # The following modules are all pretty straightforward, and compile # on pretty much any POSIXish platform. # # Some modules that are normally always on: exts.append( Extension('regex', ['regexmodule.c', 'regexpr.c']) ) exts.append( Extension('pcre', ['pcremodule.c', 'pypcre.c']) ) exts.append( Extension('_weakref', ['_weakref.c']) ) exts.append( Extension('_symtable', ['symtablemodule.c']) ) exts.append( Extension('xreadlines', ['xreadlinesmodule.c']) ) # array objects exts.append( Extension('array', ['arraymodule.c']) ) # complex math library functions exts.append( Extension('cmath', ['cmathmodule.c'], libraries=math_libs) ) # math library functions, e.g. sin() exts.append( Extension('math', ['mathmodule.c'], libraries=math_libs) ) # fast string operations implemented in C exts.append( Extension('strop', ['stropmodule.c']) ) # time operations and variables exts.append( Extension('time', ['timemodule.c'], libraries=math_libs) ) # operator.add() and similar goodies exts.append( Extension('operator', ['operator.c']) ) # access to the builtin codecs and codec registry exts.append( Extension('_codecs', ['_codecsmodule.c']) ) # Python C API test module exts.append( Extension('_testcapi', ['_testcapimodule.c']) ) # static Unicode character database exts.append( Extension('unicodedata', ['unicodedata.c']) ) # access to ISO C locale support exts.append( Extension('_locale', ['_localemodule.c']) ) # Modules with some UNIX dependencies -- on by default: # (If you have a really backward UNIX, select and socket may not be # supported...) # fcntl(2) and ioctl(2) exts.append( Extension('fcntl', ['fcntlmodule.c']) ) # pwd(3) exts.append( Extension('pwd', ['pwdmodule.c']) ) # grp(3) exts.append( Extension('grp', ['grpmodule.c']) ) # posix (UNIX) errno values exts.append( Extension('errno', ['errnomodule.c']) ) # select(2); not on ancient System V exts.append( Extension('select', ['selectmodule.c']) ) # The md5 module implements the RSA Data Security, Inc. MD5 # Message-Digest Algorithm, described in RFC 1321. The necessary files # md5c.c and md5.h are included here. exts.append( Extension('md5', ['md5module.c', 'md5c.c']) ) # The sha module implements the SHA checksum algorithm. # (NIST's Secure Hash Algorithm.) exts.append( Extension('sha', ['shamodule.c']) ) # Tommy Burnette's 'new' module (creates new empty objects of certain # kinds): exts.append( Extension('new', ['newmodule.c']) ) # Helper module for various ascii-encoders exts.append( Extension('binascii', ['binascii.c']) ) # Fred Drake's interface to the Python parser exts.append( Extension('parser', ['parsermodule.c']) ) # Digital Creations' cStringIO and cPickle exts.append( Extension('cStringIO', ['cStringIO.c']) ) exts.append( Extension('cPickle', ['cPickle.c']) ) # Memory-mapped files (also works on Win32). exts.append( Extension('mmap', ['mmapmodule.c']) ) # Lance Ellinghaus's modules: # enigma-inspired encryption exts.append( Extension('rotor', ['rotormodule.c']) ) # syslog daemon interface exts.append( Extension('syslog', ['syslogmodule.c']) ) # George Neville-Neil's timing module: exts.append( Extension('timing', ['timingmodule.c']) ) # # Here ends the simple stuff. From here on, modules need certain # libraries, are platform-specific, or present other surprises. # # Multimedia modules # These don't work for 64-bit platforms!!! # These represent audio samples or images as strings: # Disabled on 64-bit platforms if sys.maxint != 9223372036854775807L: # Operations on audio samples exts.append( Extension('audioop', ['audioop.c']) ) # Operations on images exts.append( Extension('imageop', ['imageop.c']) ) # Read SGI RGB image files (but coded portably) exts.append( Extension('rgbimg', ['rgbimgmodule.c']) ) # readline if self.compiler.find_library_file(lib_dirs, 'readline'): readline_libs = ['readline'] if self.compiler.find_library_file(lib_dirs + ['/usr/lib/termcap'], 'termcap'): readline_libs.append('termcap') exts.append( Extension('readline', ['readline.c'], library_dirs=['/usr/lib/termcap'], libraries=readline_libs) ) # The crypt module is now disabled by default because it breaks builds # on many systems (where -lcrypt is needed), e.g. Linux (I believe). if self.compiler.find_library_file(lib_dirs, 'crypt'): libs = ['crypt'] else: libs = [] exts.append( Extension('crypt', ['cryptmodule.c'], libraries=libs) ) # socket(2) # Detect SSL support for the socket module ssl_incs = find_file('openssl/ssl.h', inc_dirs, ['/usr/local/ssl/include', '/usr/contrib/ssl/include/' ] ) ssl_libs = find_library_file(self.compiler, 'ssl',lib_dirs, ['/usr/local/ssl/lib', '/usr/contrib/ssl/lib/' ] ) if (ssl_incs is not None and ssl_libs is not None): exts.append( Extension('_socket', ['socketmodule.c'], include_dirs = ssl_incs, library_dirs = ssl_libs, libraries = ['ssl', 'crypto'], define_macros = [('USE_SSL',1)] ) ) else: exts.append( Extension('_socket', ['socketmodule.c']) ) # Modules that provide persistent dictionary-like semantics. You will # probably want to arrange for at least one of them to be available on # your machine, though none are defined by default because of library # dependencies. The Python module anydbm.py provides an # implementation independent wrapper for these; dumbdbm.py provides # similar functionality (but slower of course) implemented in Python. # The standard Unix dbm module: if platform not in ['cygwin']: if (self.compiler.find_library_file(lib_dirs, 'ndbm')): exts.append( Extension('dbm', ['dbmmodule.c'], libraries = ['ndbm'] ) ) else: exts.append( Extension('dbm', ['dbmmodule.c']) ) # Anthony Baxter's gdbm module. GNU dbm(3) will require -lgdbm: if (self.compiler.find_library_file(lib_dirs, 'gdbm')): exts.append( Extension('gdbm', ['gdbmmodule.c'], libraries = ['gdbm'] ) ) # Berkeley DB interface. # # This requires the Berkeley DB code, see # ftp://ftp.cs.berkeley.edu/pub/4bsd/db.1.85.tar.gz # # Edit the variables DB and DBPORT to point to the db top directory # and the subdirectory of PORT where you built it. # # (See http://electricrain.com/greg/python/bsddb3/ for an interface to # BSD DB 3.x.) # Note: If a db.h file is found by configure, bsddb will be enabled # automatically via Setup.config.in. It only needs to be enabled here # if it is not automatically enabled there; check the generated # Setup.config before enabling it here. db_incs = find_file('db_185.h', inc_dirs, []) if (db_incs is not None and self.compiler.find_library_file(lib_dirs, 'db') ): exts.append( Extension('bsddb', ['bsddbmodule.c'], include_dirs = db_incs, libraries = ['db'] ) ) # The mpz module interfaces to the GNU Multiple Precision library. # You need to ftp the GNU MP library. # This was originally written and tested against GMP 1.2 and 1.3.2. # It has been modified by Rob Hooft to work with 2.0.2 as well, but I # haven't tested it recently. For a more complete module, # refer to pympz.sourceforge.net. # A compatible MP library unencombered by the GPL also exists. It was # posted to comp.sources.misc in volume 40 and is widely available from # FTP archive sites. One URL for it is: # ftp://gatekeeper.dec.com/.b/usenet/comp.sources.misc/volume40/fgmp/part01.Z # Anthony Baxter's gdbm module. GNU dbm(3) will require -lgdbm: if (self.compiler.find_library_file(lib_dirs, 'gmp')): exts.append( Extension('mpz', ['mpzmodule.c'], libraries = ['gmp'] ) ) # Unix-only modules if platform not in ['mac', 'win32']: # Steen Lumholt's termios module exts.append( Extension('termios', ['termios.c']) ) # Jeremy Hylton's rlimit interface if platform not in ['cygwin']: exts.append( Extension('resource', ['resource.c']) ) if (self.compiler.find_library_file(lib_dirs, 'nsl')): exts.append( Extension('nis', ['nismodule.c'], libraries = ['nsl']) ) # Curses support, requring the System V version of curses, often # provided by the ncurses library. if platform == 'sunos4': include_dirs += ['/usr/5include'] lib_dirs += ['/usr/5lib'] if (self.compiler.find_library_file(lib_dirs, 'ncurses')): curses_libs = ['ncurses'] exts.append( Extension('_curses', ['_cursesmodule.c'], libraries = curses_libs) ) elif (self.compiler.find_library_file(lib_dirs, 'curses')): if (self.compiler.find_library_file(lib_dirs, 'terminfo')): curses_libs = ['curses', 'terminfo'] else: curses_libs = ['curses', 'termcap'] exts.append( Extension('_curses', ['_cursesmodule.c'], libraries = curses_libs) ) # If the curses module is enabled, check for the panel module if (os.path.exists('Modules/_curses_panel.c') and module_enabled(exts, '_curses') and self.compiler.find_library_file(lib_dirs, 'panel')): exts.append( Extension('_curses_panel', ['_curses_panel.c'], libraries = ['panel'] + curses_libs) ) # Lee Busby's SIGFPE modules. # The library to link fpectl with is platform specific. # Choose *one* of the options below for fpectl: if platform == 'irix5': # For SGI IRIX (tested on 5.3): exts.append( Extension('fpectl', ['fpectlmodule.c'], libraries=['fpe']) ) elif 0: # XXX how to detect SunPro? # For Solaris with SunPro compiler (tested on Solaris 2.5 with SunPro C 4.2): # (Without the compiler you don't have -lsunmath.) #fpectl fpectlmodule.c -R/opt/SUNWspro/lib -lsunmath -lm pass else: # For other systems: see instructions in fpectlmodule.c. #fpectl fpectlmodule.c ... exts.append( Extension('fpectl', ['fpectlmodule.c']) ) # Andrew Kuchling's zlib module. # This require zlib 1.1.3 (or later). # See http://www.cdrom.com/pub/infozip/zlib/ if (self.compiler.find_library_file(lib_dirs, 'z')): exts.append( Extension('zlib', ['zlibmodule.c'], libraries = ['z']) ) # Interface to the Expat XML parser # # Expat is written by James Clark and must be downloaded separately # (see below). The pyexpat module was written by Paul Prescod after a # prototype by Jack Jansen. # # The Expat dist includes Windows .lib and .dll files. Home page is # at http://www.jclark.com/xml/expat.html, the current production # release is always ftp://ftp.jclark.com/pub/xml/expat.zip. # # EXPAT_DIR, below, should point to the expat/ directory created by # unpacking the Expat source distribution. # # Note: the expat build process doesn't yet build a libexpat.a; you # can do this manually while we try convince the author to add it. To # do so, cd to EXPAT_DIR, run "make" if you have not done so, then # run: # # ar cr libexpat.a xmltok/*.o xmlparse/*.o # expat_defs = [] expat_incs = find_file('expat.h', inc_dirs, []) if expat_incs is not None: # expat.h was found expat_defs = [('HAVE_EXPAT_H', 1)] else: expat_incs = find_file('xmlparse.h', inc_dirs, []) if (expat_incs is not None and self.compiler.find_library_file(lib_dirs, 'expat')): exts.append( Extension('pyexpat', ['pyexpat.c'], define_macros = expat_defs, libraries = ['expat']) ) # Platform-specific libraries if platform == 'linux2': # Linux-specific modules exts.append( Extension('linuxaudiodev', ['linuxaudiodev.c']) ) if platform == 'sunos5': # SunOS specific modules exts.append( Extension('sunaudiodev', ['sunaudiodev.c']) ) self.extensions.extend(exts) # Call the method for detecting whether _tkinter can be compiled self.detect_tkinter(inc_dirs, lib_dirs) def detect_tkinter(self, inc_dirs, lib_dirs): # The _tkinter module. # # The command for _tkinter is long and site specific. Please # uncomment and/or edit those parts as indicated. If you don't have a # specific extension (e.g. Tix or BLT), leave the corresponding line # commented out. (Leave the trailing backslashes in! If you # experience strange errors, you may want to join all uncommented # lines and remove the backslashes -- the backslash interpretation is # done by the shell's "read" command and it may not be implemented on # every system. # Assume we haven't found any of the libraries or include files tcllib = tklib = tcl_includes = tk_includes = None for version in ['8.4', '8.3', '8.2', '8.1', '8.0']: tklib = self.compiler.find_library_file(lib_dirs, 'tk' + version ) tcllib = self.compiler.find_library_file(lib_dirs, 'tcl' + version ) if tklib and tcllib: # Exit the loop when we've found the Tcl/Tk libraries break # Now check for the header files if tklib and tcllib: # Check for the include files on Debian, where # they're put in /usr/include/{tcl,tk}X.Y debian_tcl_include = ( '/usr/include/tcl' + version ) debian_tk_include = ( '/usr/include/tk' + version ) tcl_includes = find_file('tcl.h', inc_dirs, [debian_tcl_include] ) tk_includes = find_file('tk.h', inc_dirs, [debian_tk_include] ) if (tcllib is None or tklib is None and tcl_includes is None or tk_includes is None): # Something's missing, so give up return # OK... everything seems to be present for Tcl/Tk. include_dirs = [] ; libs = [] ; defs = [] ; added_lib_dirs = [] for dir in tcl_includes + tk_includes: if dir not in include_dirs: include_dirs.append(dir) # Check for various platform-specific directories platform = self.get_platform() if platform == 'sunos5': include_dirs.append('/usr/openwin/include') added_lib_dirs.append('/usr/openwin/lib') elif os.path.exists('/usr/X11R6/include'): include_dirs.append('/usr/X11R6/include') added_lib_dirs.append('/usr/X11R6/lib') elif os.path.exists('/usr/X11R5/include'): include_dirs.append('/usr/X11R5/include') added_lib_dirs.append('/usr/X11R5/lib') else: # Assume default location for X11 include_dirs.append('/usr/X11/include') added_lib_dirs.append('/usr/X11/lib') # Check for Tix extension if self.compiler.find_library_file(lib_dirs + added_lib_dirs, 'tix4.1.8.0'): defs.append( ('WITH_TIX', 1) ) libs.append('tix4.1.8.0') # Check for BLT extension if self.compiler.find_library_file(lib_dirs + added_lib_dirs, 'BLT8.0'): defs.append( ('WITH_BLT', 1) ) libs.append('BLT8.0') # Add the Tcl/Tk libraries libs.append('tk'+version) libs.append('tcl'+version) if platform in ['aix3', 'aix4']: libs.append('ld') # Finally, link with the X11 libraries libs.append('X11') ext = Extension('_tkinter', ['_tkinter.c', 'tkappinit.c'], define_macros=[('WITH_APPINIT', 1)] + defs, include_dirs = include_dirs, libraries = libs, library_dirs = added_lib_dirs, ) self.extensions.append(ext) # XXX handle these, but how to detect? # *** Uncomment and edit for PIL (TkImaging) extension only: # -DWITH_PIL -I../Extensions/Imaging/libImaging tkImaging.c \ # *** Uncomment and edit for TOGL extension only: # -DWITH_TOGL togl.c \ # *** Uncomment these for TOGL extension only: # -lGL -lGLU -lXext -lXmu \ def main(): setup(name = 'Python standard library', version = '%d.%d' % sys.version_info[:2], cmdclass = {'build_ext':PyBuildExt}, # The struct module is defined here, because build_ext won't be # called unless there's at least one extension module defined. ext_modules=[Extension('struct', ['structmodule.c'])] ) # --install-platlib if __name__ == '__main__': sysconfig.set_python_build() main()