python/libxsl.py - master - niceSOFT/libxslt

python/libxsl.py
128 строк4 KB
Yegor Yefremov
python: fix typos
14 окт 2024, 11:20
14 окт 2024, 11:205df9990
#
# Both libxml2mod and libxsltmod have a dependency on libxml2.so
# and they should share the same module, try to convince the python
# loader to work in that mode if feasible
#
import sys
if not hasattr(sys,'getdlopenflags'):
    import libxml2mod
    import libxsltmod
    import libxml2
else:
    try:
        from dl import RTLD_GLOBAL, RTLD_NOW
    except ImportError:
        RTLD_GLOBAL = -1
        RTLD_NOW = -1
        try:
            import os
            osname = os.uname()[0]
            if osname == 'Linux' or osname == 'SunOS':
                RTLD_GLOBAL = 0x00100
                RTLD_NOW = 0x00002
            elif osname == 'Darwin':
                RTLD_GLOBAL = 0x8
                RTLD_NOW = 0x2
            #
            # is there a better method ?
            #
#            else:
#                print "libxslt could not guess RTLD_GLOBAL and RTLD_NOW " + \
#                      "on this platform: %s" % (osname)
        except:
             pass
#            print "libxslt could not guess RTLD_GLOBAL and RTLD_NOW " + \
#                  "on this platform: %s" % (osname)
    except:
        RTLD_GLOBAL = -1
        RTLD_NOW = -1

    if RTLD_GLOBAL != -1 and RTLD_NOW != -1:
        try:
            flags = sys.getdlopenflags() 
            sys.setdlopenflags(RTLD_GLOBAL | RTLD_NOW)
            try:
                import libxml2mod
                import libxsltmod
                import libxml2
            finally:
                sys.setdlopenflags(flags)
        except:
            import libxml2mod
            import libxsltmod
            import libxml2
    else:
        import libxml2mod
        import libxsltmod
        import libxml2


class transformCtxtBase:
    def __init__(self, _obj=None):
        if _obj != None: 
            self._o = _obj;
            return
        self._o = None
    def __hash__(self):
        v = libxsltmod.xsltGetTransformContextHashCode(self._o)
        return v
    def __eq__(self, other):
        if other == None:
            return 0
        v = libxsltmod.xsltCompareTransformContextsEqual(self._o, other._o)
        return v
        
class stylesheetBase:
    def __init__(self, _obj=None):
        if _obj != None: 
            self._o = _obj;
            return
        self._o = None
    def __hash__(self):
        v = libxsltmod.xsltGetStylesheetHashCode(self._o)
        return v
    def __eq__(self, other):
        if other == None:
            return 0
        v = libxsltmod.xsltCompareStylesheetsEqual(self._o, other._o)
        return v

class extensionModule:
    def _styleInit(self, style, URI):
        return self.styleInit(stylesheet(_obj=style), URI)

    def _styleShutdown(self, style, URI, data):
        return self.styleShutdown(stylesheet(_obj=style), URI, data)

    def _ctxtInit(self, ctxt, URI):
        return self.ctxtInit(transformCtxt(_obj=ctxt), URI)

    def _ctxtShutdown(self, ctxt, URI, data):
        return self.ctxtShutdown(transformCtxt(_obj=ctxt), URI, data)

    def styleInit(self, style, URI):
        """Callback function when used in a newly compiled stylesheet,
           the return value is passed in subsequent calls"""
        pass

    def styleShutdown(self, style, URI, data):
        """Callback function when a stylesheet using it is destroyed"""
        pass

    def ctxtInit(self, ctxt, URI):
        """Callback function when used in a new transformation process,
           the return value is passed in subsequent calls"""
        pass

    def ctxtShutdown(self, ctxt, URI, data):
        """Callback function when a transformation using it finishes"""
        pass

def cleanup():
    """Cleanup all libxslt and libxml2 memory allocated"""
    libxsltmod.xsltPythonCleanup()
    libxml2.cleanupParser()

#
# Everything below this point is automatically generated
#