# $Id: listmodules.py 42172 2006-01-24 16:16:19Z fredrik.lundh $## Locate all standard modules available in this build.## This script is designed to run on Python 1.5.2 and newer.## Written by Fredrik Lundh, January 2005# import imp, sys, os, re, time identifier = "python-%s-%s" % (sys.version[:3], sys.platform)timestamp = time.strftime("%Y%m%dT%H%M%SZ", time.gmtime(time.time())) # known test packagesTEST_PACKAGES = "test.", "bsddb.test.", "distutils.tests." try:    import platform    platform = platform.platform()except:    platform = None # unknown suffixes = imp.get_suffixes() def get_suffix(file):    for suffix in suffixes:        if file[-len(suffix[0]):] == suffix[0]:            return suffix    return None def main():     path = getpath()     modules = {}    for m in sys.builtin_module_names:        modules[m] = None     for p in path:        modules.update(getmodules(p))     keys = modules.keys()    keys.sort()     # filter out known test packages    def cb(m):        for d in TEST_PACKAGES:            if m[:len(d)] == d:                return 0        return 1    keys = filter(cb, keys)     try:        outfile = sys.argv[1]        if outfile == "-":            outfile = None        elif outfile == "-f":            outfile = "modules-" + identifier + ".txt"    except IndexError:        outfile = None     if not outfile:        out = sys.stdout    else:        out = open(outfile, "w")     out.write("# module list (generated by listmodules.py)\n")    out.write("#\n")    out.write("# timestamp=%s\n" % repr(timestamp))    out.write("# sys.version=%s\n" % repr(sys.version))    out.write("# sys.platform=%s\n" % repr(sys.platform))    if platform:        out.write("# platform=%s\n" % repr(platform))    out.write("#\n")     for k in keys:        out.write(k + "\n")     if out is not sys.stdout:        out.close()        print out.name, "ok (%d modules)" % len(modules) def getmodules(p):    # get modules in a given directory    modules = {}    for f in os.listdir(p):        f = os.path.join(p, f)        if os.path.isfile(f):            m, e = os.path.splitext(f)            suffix = get_suffix(f)            if not suffix:                continue            m = os.path.basename(m)            if re.compile("(?i)[a-z_]\w*$").match(m):                if suffix[2] == imp.C_EXTENSION:                    # check that this extension can be imported                    try:                        __import__(m)                    except ImportError:                        continue                modules[m] = f        elif os.path.isdir(f):            m = os.path.basename(f)            if os.path.isfile(os.path.join(f, "__init__.py")):                for mm, f in getmodules(f).items():                    modules[m + "." + mm] = f    return modules def getpath():    path = map(os.path.normcase, map(os.path.abspath, sys.path[:]))    # get rid of site packages    for p in path:        if p[-13:] == "site-packages":            def cb(p, site_package_path=os.path.abspath(p)):                return p[:len(site_package_path)] != site_package_path            path = filter(cb, path)            break    # get rid of non-existent directories and the current directory    def cb(p, cwd=os.path.normcase(os.getcwd())):        return os.path.isdir(p) and p != cwd    path = filter(cb, path)    return path if __name__ == "__main__":    main()