mirror of
https://gitlab.gnome.org/GNOME/libxml2.git
synced 2024-10-26 20:25:14 +03:00
2b32e6f34c
* python/generator.py: fixed a problem in the generator where the way functions are remapped as methods on classes was not symetric and dependant on python internal hash order, as reported by Stphane Bidoul Daniel
1133 lines
40 KiB
Python
Executable File
1133 lines
40 KiB
Python
Executable File
#!/usr/bin/python -u
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#
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# generate python wrappers from the XML API description
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#
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functions = {}
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import sys
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import string
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#######################################################################
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#
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# That part if purely the API acquisition phase from the
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# XML API description
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#
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#######################################################################
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import os
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import xmllib
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try:
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import sgmlop
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except ImportError:
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sgmlop = None # accelerator not available
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debug = 0
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if sgmlop:
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class FastParser:
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"""sgmlop based XML parser. this is typically 15x faster
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than SlowParser..."""
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def __init__(self, target):
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# setup callbacks
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self.finish_starttag = target.start
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self.finish_endtag = target.end
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self.handle_data = target.data
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# activate parser
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self.parser = sgmlop.XMLParser()
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self.parser.register(self)
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self.feed = self.parser.feed
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self.entity = {
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"amp": "&", "gt": ">", "lt": "<",
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"apos": "'", "quot": '"'
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}
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def close(self):
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try:
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self.parser.close()
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finally:
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self.parser = self.feed = None # nuke circular reference
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def handle_entityref(self, entity):
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# <string> entity
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try:
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self.handle_data(self.entity[entity])
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except KeyError:
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self.handle_data("&%s;" % entity)
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else:
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FastParser = None
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class SlowParser(xmllib.XMLParser):
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"""slow but safe standard parser, based on the XML parser in
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Python's standard library."""
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def __init__(self, target):
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self.unknown_starttag = target.start
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self.handle_data = target.data
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self.unknown_endtag = target.end
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xmllib.XMLParser.__init__(self)
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def getparser(target = None):
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# get the fastest available parser, and attach it to an
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# unmarshalling object. return both objects.
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if target is None:
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target = docParser()
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if FastParser:
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return FastParser(target), target
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return SlowParser(target), target
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class docParser:
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def __init__(self):
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self._methodname = None
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self._data = []
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self.in_function = 0
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def close(self):
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if debug:
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print "close"
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def getmethodname(self):
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return self._methodname
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def data(self, text):
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if debug:
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print "data %s" % text
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self._data.append(text)
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def start(self, tag, attrs):
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if debug:
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print "start %s, %s" % (tag, attrs)
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if tag == 'function':
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self._data = []
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self.in_function = 1
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self.function = None
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self.function_args = []
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self.function_descr = None
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self.function_return = None
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self.function_file = None
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if attrs.has_key('name'):
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self.function = attrs['name']
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if attrs.has_key('file'):
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self.function_file = attrs['file']
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elif tag == 'info':
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self._data = []
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elif tag == 'arg':
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if self.in_function == 1:
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self.function_arg_name = None
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self.function_arg_type = None
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self.function_arg_info = None
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if attrs.has_key('name'):
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self.function_arg_name = attrs['name']
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if attrs.has_key('type'):
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self.function_arg_type = attrs['type']
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if attrs.has_key('info'):
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self.function_arg_info = attrs['info']
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elif tag == 'return':
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if self.in_function == 1:
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self.function_return_type = None
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self.function_return_info = None
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self.function_return_field = None
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if attrs.has_key('type'):
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self.function_return_type = attrs['type']
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if attrs.has_key('info'):
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self.function_return_info = attrs['info']
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if attrs.has_key('field'):
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self.function_return_field = attrs['field']
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def end(self, tag):
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if debug:
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print "end %s" % tag
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if tag == 'function':
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if self.function != None:
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function(self.function, self.function_descr,
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self.function_return, self.function_args,
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self.function_file)
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self.in_function = 0
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elif tag == 'arg':
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if self.in_function == 1:
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self.function_args.append([self.function_arg_name,
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self.function_arg_type,
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self.function_arg_info])
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elif tag == 'return':
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if self.in_function == 1:
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self.function_return = [self.function_return_type,
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self.function_return_info,
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self.function_return_field]
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elif tag == 'info':
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str = ''
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for c in self._data:
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str = str + c
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if self.in_function == 1:
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self.function_descr = str
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def function(name, desc, ret, args, file):
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global functions
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functions[name] = (desc, ret, args, file)
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#######################################################################
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#
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# Some filtering rukes to drop functions/types which should not
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# be exposed as-is on the Python interface
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#
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#######################################################################
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skipped_modules = {
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'xmlmemory': None,
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'DOCBparser': None,
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'SAX': None,
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'hash': None,
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'list': None,
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'threads': None,
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# 'xpointer': None,
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}
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skipped_types = {
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'int *': "usually a return type",
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'xmlSAXHandlerPtr': "not the proper interface for SAX",
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'htmlSAXHandlerPtr': "not the proper interface for SAX",
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'xmlRMutexPtr': "thread specific, skipped",
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'xmlMutexPtr': "thread specific, skipped",
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'xmlGlobalStatePtr': "thread specific, skipped",
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'xmlListPtr': "internal representation not suitable for python",
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'xmlBufferPtr': "internal representation not suitable for python",
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'FILE *': None,
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}
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#######################################################################
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#
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# Table of remapping to/from the python type or class to the C
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# counterpart.
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#
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#######################################################################
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py_types = {
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'void': (None, None, None, None),
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'int': ('i', None, "int", "int"),
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'long': ('i', None, "int", "int"),
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'double': ('d', None, "double", "double"),
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'unsigned int': ('i', None, "int", "int"),
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'xmlChar': ('c', None, "int", "int"),
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'unsigned char *': ('z', None, "charPtr", "char *"),
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'char *': ('z', None, "charPtr", "char *"),
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'const char *': ('z', None, "charPtrConst", "const char *"),
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'xmlChar *': ('z', None, "xmlCharPtr", "xmlChar *"),
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'const xmlChar *': ('z', None, "xmlCharPtrConst", "const xmlChar *"),
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'xmlNodePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const xmlNodePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'xmlNode *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const xmlNode *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'xmlDtdPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const xmlDtdPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'xmlDtd *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const xmlDtd *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'xmlAttrPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const xmlAttrPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'xmlAttr *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const xmlAttr *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'xmlEntityPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const xmlEntityPtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'xmlEntity *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const xmlEntity *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'xmlElementPtr': ('O', "xmlElement", "xmlElementPtr", "xmlElementPtr"),
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'const xmlElementPtr': ('O', "xmlElement", "xmlElementPtr", "xmlElementPtr"),
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'xmlElement *': ('O', "xmlElement", "xmlElementPtr", "xmlElementPtr"),
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'const xmlElement *': ('O', "xmlElement", "xmlElementPtr", "xmlElementPtr"),
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'xmlAttributePtr': ('O', "xmlAttribute", "xmlAttributePtr", "xmlAttributePtr"),
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'const xmlAttributePtr': ('O', "xmlAttribute", "xmlAttributePtr", "xmlAttributePtr"),
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'xmlAttribute *': ('O', "xmlAttribute", "xmlAttributePtr", "xmlAttributePtr"),
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'const xmlAttribute *': ('O', "xmlAttribute", "xmlAttributePtr", "xmlAttributePtr"),
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'xmlNsPtr': ('O', "xmlNode", "xmlNsPtr", "xmlNsPtr"),
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'const xmlNsPtr': ('O', "xmlNode", "xmlNsPtr", "xmlNsPtr"),
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'xmlNs *': ('O', "xmlNode", "xmlNsPtr", "xmlNsPtr"),
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'const xmlNs *': ('O', "xmlNode", "xmlNsPtr", "xmlNsPtr"),
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'xmlDocPtr': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
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'const xmlDocPtr': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
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'xmlDoc *': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
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'const xmlDoc *': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
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'htmlDocPtr': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
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'const htmlDocPtr': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
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'htmlDoc *': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
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'const htmlDoc *': ('O', "xmlNode", "xmlDocPtr", "xmlDocPtr"),
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'htmlNodePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const htmlNodePtr': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'htmlNode *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'const htmlNode *': ('O', "xmlNode", "xmlNodePtr", "xmlNodePtr"),
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'xmlXPathContextPtr': ('O', "xmlXPathContext", "xmlXPathContextPtr", "xmlXPathContextPtr"),
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'xmlXPathContext *': ('O', "xpathContext", "xmlXPathContextPtr", "xmlXPathContextPtr"),
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'xmlXPathParserContextPtr': ('O', "xmlXPathParserContext", "xmlXPathParserContextPtr", "xmlXPathParserContextPtr"),
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'xmlParserCtxtPtr': ('O', "parserCtxt", "xmlParserCtxtPtr", "xmlParserCtxtPtr"),
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'xmlParserCtxt *': ('O', "parserCtxt", "xmlParserCtxtPtr", "xmlParserCtxtPtr"),
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'htmlParserCtxtPtr': ('O', "parserCtxt", "xmlParserCtxtPtr", "xmlParserCtxtPtr"),
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'htmlParserCtxt *': ('O', "parserCtxt", "xmlParserCtxtPtr", "xmlParserCtxtPtr"),
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'xmlCatalogPtr': ('O', "catalog", "xmlCatalogPtr", "xmlCatalogPtr"),
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'FILE *': ('O', "File", "FILEPtr", "FILE *"),
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'xmlURIPtr': ('O', "URI", "xmlURIPtr", "xmlURIPtr"),
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'xmlOutputBufferPtr': ('O', "outputBuffer", "xmlOutputBufferPtr", "xmlOutputBufferPtr"),
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'xmlParserInputBufferPtr': ('O', "inputBuffer", "xmlParserInputBufferPtr", "xmlParserInputBufferPtr"),
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'xmlRegexpPtr': ('O', "xmlReg", "xmlRegexpPtr", "xmlRegexpPtr"),
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'xmlTextReaderLocatorPtr': ('O', "xmlTextReaderLocator", "xmlTextReaderLocatorPtr", "xmlTextReaderLocatorPtr"),
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'xmlTextReaderPtr': ('O', "xmlTextReader", "xmlTextReaderPtr", "xmlTextReaderPtr"),
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'xmlRelaxNGPtr': ('O', "relaxNgSchema", "xmlRelaxNGPtr", "xmlRelaxNGPtr"),
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'xmlRelaxNGParserCtxtPtr': ('O', "relaxNgParserCtxt", "xmlRelaxNGParserCtxtPtr", "xmlRelaxNGParserCtxtPtr"),
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'xmlRelaxNGValidCtxtPtr': ('O', "relaxNgValidCtxt", "xmlRelaxNGValidCtxtPtr", "xmlRelaxNGValidCtxtPtr"),
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}
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py_return_types = {
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'xmlXPathObjectPtr': ('O', "foo", "xmlXPathObjectPtr", "xmlXPathObjectPtr"),
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}
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unknown_types = {}
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#######################################################################
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#
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# This part writes the C <-> Python stubs libxml2-py.[ch] and
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# the table libxml2-export.c to add when registrering the Python module
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#
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#######################################################################
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def skip_function(name):
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if name[0:12] == "xmlXPathWrap":
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return 1
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if name == "xmlFreeParserCtxt":
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return 1
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if name == "xmlFreeTextReader":
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return 1
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# if name[0:11] == "xmlXPathNew":
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# return 1
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return 0
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def print_function_wrapper(name, output, export, include):
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global py_types
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global unknown_types
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global functions
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global skipped_modules
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try:
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(desc, ret, args, file) = functions[name]
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except:
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print "failed to get function %s infos"
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return
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if skipped_modules.has_key(file):
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return 0
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if skip_function(name) == 1:
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return 0
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c_call = "";
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format=""
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format_args=""
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c_args=""
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c_return=""
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c_convert=""
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for arg in args:
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# This should be correct
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if arg[1][0:6] == "const ":
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arg[1] = arg[1][6:]
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c_args = c_args + " %s %s;\n" % (arg[1], arg[0])
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if py_types.has_key(arg[1]):
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(f, t, n, c) = py_types[arg[1]]
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if f != None:
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format = format + f
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if t != None:
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format_args = format_args + ", &pyobj_%s" % (arg[0])
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c_args = c_args + " PyObject *pyobj_%s;\n" % (arg[0])
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c_convert = c_convert + \
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" %s = (%s) Py%s_Get(pyobj_%s);\n" % (arg[0],
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arg[1], t, arg[0]);
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else:
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format_args = format_args + ", &%s" % (arg[0])
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if c_call != "":
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c_call = c_call + ", ";
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c_call = c_call + "%s" % (arg[0])
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else:
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if skipped_types.has_key(arg[1]):
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return 0
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if unknown_types.has_key(arg[1]):
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lst = unknown_types[arg[1]]
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lst.append(name)
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else:
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unknown_types[arg[1]] = [name]
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return -1
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if format != "":
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format = format + ":%s" % (name)
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if ret[0] == 'void':
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if file == "python_accessor":
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if args[1][1] == "char *" or args[1][1] == "xmlChar *":
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c_call = "\n if (%s->%s != NULL) xmlFree(%s->%s);\n" % (
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args[0][0], args[1][0], args[0][0], args[1][0])
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c_call = c_call + " %s->%s = xmlStrdup((const xmlChar *)%s);\n" % (args[0][0],
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args[1][0], args[1][0])
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else:
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c_call = "\n %s->%s = %s;\n" % (args[0][0], args[1][0],
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args[1][0])
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else:
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c_call = "\n %s(%s);\n" % (name, c_call);
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ret_convert = " Py_INCREF(Py_None);\n return(Py_None);\n"
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elif py_types.has_key(ret[0]):
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(f, t, n, c) = py_types[ret[0]]
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c_return = " %s c_retval;\n" % (ret[0])
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if file == "python_accessor" and ret[2] != None:
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c_call = "\n c_retval = %s->%s;\n" % (args[0][0], ret[2])
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else:
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c_call = "\n c_retval = %s(%s);\n" % (name, c_call);
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ret_convert = " py_retval = libxml_%sWrap((%s) c_retval);\n" % (n,c)
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ret_convert = ret_convert + " return(py_retval);\n"
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elif py_return_types.has_key(ret[0]):
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(f, t, n, c) = py_return_types[ret[0]]
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c_return = " %s c_retval;\n" % (ret[0])
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c_call = "\n c_retval = %s(%s);\n" % (name, c_call);
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ret_convert = " py_retval = libxml_%sWrap((%s) c_retval);\n" % (n,c)
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ret_convert = ret_convert + " return(py_retval);\n"
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else:
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if skipped_types.has_key(ret[0]):
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return 0
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if unknown_types.has_key(ret[0]):
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lst = unknown_types[ret[0]]
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lst.append(name)
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else:
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unknown_types[ret[0]] = [name]
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return -1
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if file == "debugXML":
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include.write("#ifdef LIBXML_DEBUG_ENABLED\n");
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export.write("#ifdef LIBXML_DEBUG_ENABLED\n");
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output.write("#ifdef LIBXML_DEBUG_ENABLED\n");
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elif file == "HTMLtree" or file == "HTMLparser":
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include.write("#ifdef LIBXML_HTML_ENABLED\n");
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export.write("#ifdef LIBXML_HTML_ENABLED\n");
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output.write("#ifdef LIBXML_HTML_ENABLED\n");
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elif file == "c14n":
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include.write("#ifdef LIBXML_C14N_ENABLED\n");
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export.write("#ifdef LIBXML_C14N_ENABLED\n");
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output.write("#ifdef LIBXML_C14N_ENABLED\n");
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elif file == "xpathInternals" or file == "xpath":
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include.write("#ifdef LIBXML_XPATH_ENABLED\n");
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export.write("#ifdef LIBXML_XPATH_ENABLED\n");
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output.write("#ifdef LIBXML_XPATH_ENABLED\n");
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elif file == "xpointer":
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include.write("#ifdef LIBXML_XPTR_ENABLED\n");
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export.write("#ifdef LIBXML_XPTR_ENABLED\n");
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output.write("#ifdef LIBXML_XPTR_ENABLED\n");
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elif file == "xinclude":
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include.write("#ifdef LIBXML_XINCLUDE_ENABLED\n");
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export.write("#ifdef LIBXML_XINCLUDE_ENABLED\n");
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output.write("#ifdef LIBXML_XINCLUDE_ENABLED\n");
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elif file == "xmlregexp":
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include.write("#ifdef LIBXML_REGEXP_ENABLED\n");
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export.write("#ifdef LIBXML_REGEXP_ENABLED\n");
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output.write("#ifdef LIBXML_REGEXP_ENABLED\n");
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elif file == "xmlschemas" or file == "xmlschemastypes" or \
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file == "relaxng":
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include.write("#ifdef LIBXML_SCHEMAS_ENABLED\n");
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export.write("#ifdef LIBXML_SCHEMAS_ENABLED\n");
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output.write("#ifdef LIBXML_SCHEMAS_ENABLED\n");
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include.write("PyObject * ")
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include.write("libxml_%s(PyObject *self, PyObject *args);\n" % (name));
|
|
|
|
export.write(" { (char *)\"%s\", libxml_%s, METH_VARARGS, NULL },\n" %
|
|
(name, name))
|
|
|
|
if file == "python":
|
|
# Those have been manually generated
|
|
return 1
|
|
if file == "python_accessor" and ret[0] != "void" and ret[2] is None:
|
|
# Those have been manually generated
|
|
return 1
|
|
|
|
output.write("PyObject *\n")
|
|
output.write("libxml_%s(ATTRIBUTE_UNUSED PyObject *self," % (name))
|
|
if format == "":
|
|
output.write("ATTRIBUTE_UNUSED ")
|
|
output.write(" PyObject *args) {\n")
|
|
if ret[0] != 'void':
|
|
output.write(" PyObject *py_retval;\n")
|
|
if c_return != "":
|
|
output.write(c_return)
|
|
if c_args != "":
|
|
output.write(c_args)
|
|
if format != "":
|
|
output.write("\n if (!PyArg_ParseTuple(args, (char *)\"%s\"%s))\n" %
|
|
(format, format_args))
|
|
output.write(" return(NULL);\n")
|
|
if c_convert != "":
|
|
output.write(c_convert)
|
|
|
|
output.write(c_call)
|
|
output.write(ret_convert)
|
|
output.write("}\n\n")
|
|
if file == "debugXML":
|
|
include.write("#endif /* LIBXML_DEBUG_ENABLED */\n");
|
|
export.write("#endif /* LIBXML_DEBUG_ENABLED */\n");
|
|
output.write("#endif /* LIBXML_DEBUG_ENABLED */\n");
|
|
elif file == "HTMLtree" or file == "HTMLparser":
|
|
include.write("#endif /* LIBXML_HTML_ENABLED */\n");
|
|
export.write("#endif /* LIBXML_HTML_ENABLED */\n");
|
|
output.write("#endif /* LIBXML_HTML_ENABLED */\n");
|
|
elif file == "c14n":
|
|
include.write("#endif /* LIBXML_C14N_ENABLED */\n");
|
|
export.write("#endif /* LIBXML_C14N_ENABLED */\n");
|
|
output.write("#endif /* LIBXML_C14N_ENABLED */\n");
|
|
elif file == "xpathInternals" or file == "xpath":
|
|
include.write("#endif /* LIBXML_XPATH_ENABLED */\n");
|
|
export.write("#endif /* LIBXML_XPATH_ENABLED */\n");
|
|
output.write("#endif /* LIBXML_XPATH_ENABLED */\n");
|
|
elif file == "xpointer":
|
|
include.write("#endif /* LIBXML_XPTR_ENABLED */\n");
|
|
export.write("#endif /* LIBXML_XPTR_ENABLED */\n");
|
|
output.write("#endif /* LIBXML_XPTR_ENABLED */\n");
|
|
elif file == "xinclude":
|
|
include.write("#endif /* LIBXML_XINCLUDE_ENABLED */\n");
|
|
export.write("#endif /* LIBXML_XINCLUDE_ENABLED */\n");
|
|
output.write("#endif /* LIBXML_XINCLUDE_ENABLED */\n");
|
|
elif file == "xmlregexp":
|
|
include.write("#endif /* LIBXML_REGEXP_ENABLED */\n");
|
|
export.write("#endif /* LIBXML_REGEXP_ENABLED */\n");
|
|
output.write("#endif /* LIBXML_REGEXP_ENABLED */\n");
|
|
elif file == "xmlschemas" or file == "xmlschemastypes" or \
|
|
file == "relaxng":
|
|
include.write("#endif /* LIBXML_SCHEMAS_ENABLED */\n");
|
|
export.write("#endif /* LIBXML_SCHEMAS_ENABLED */\n");
|
|
output.write("#endif /* LIBXML_SCHEMAS_ENABLED */\n");
|
|
return 1
|
|
|
|
def buildStubs():
|
|
global py_types
|
|
global py_return_types
|
|
global unknown_types
|
|
|
|
try:
|
|
f = open("libxml2-api.xml")
|
|
data = f.read()
|
|
(parser, target) = getparser()
|
|
parser.feed(data)
|
|
parser.close()
|
|
except IOError, msg:
|
|
try:
|
|
f = open("../doc/libxml2-api.xml")
|
|
data = f.read()
|
|
(parser, target) = getparser()
|
|
parser.feed(data)
|
|
parser.close()
|
|
except IOError, msg:
|
|
print file, ":", msg
|
|
sys.exit(1)
|
|
|
|
n = len(functions.keys())
|
|
print "Found %d functions in libxml2-api.xml" % (n)
|
|
|
|
py_types['pythonObject'] = ('O', "pythonObject", "pythonObject", "pythonObject")
|
|
try:
|
|
f = open("libxml2-python-api.xml")
|
|
data = f.read()
|
|
(parser, target) = getparser()
|
|
parser.feed(data)
|
|
parser.close()
|
|
except IOError, msg:
|
|
print file, ":", msg
|
|
|
|
|
|
print "Found %d functions in libxml2-python-api.xml" % (
|
|
len(functions.keys()) - n)
|
|
nb_wrap = 0
|
|
failed = 0
|
|
skipped = 0
|
|
|
|
include = open("libxml2-py.h", "w")
|
|
include.write("/* Generated */\n\n")
|
|
export = open("libxml2-export.c", "w")
|
|
export.write("/* Generated */\n\n")
|
|
wrapper = open("libxml2-py.c", "w")
|
|
wrapper.write("/* Generated */\n\n")
|
|
wrapper.write("#include <Python.h>\n")
|
|
# wrapper.write("#include \"config.h\"\n")
|
|
wrapper.write("#include <libxml/xmlversion.h>\n")
|
|
wrapper.write("#include <libxml/tree.h>\n")
|
|
wrapper.write("#include \"libxml_wrap.h\"\n")
|
|
wrapper.write("#include \"libxml2-py.h\"\n\n")
|
|
for function in functions.keys():
|
|
ret = print_function_wrapper(function, wrapper, export, include)
|
|
if ret < 0:
|
|
failed = failed + 1
|
|
del functions[function]
|
|
if ret == 0:
|
|
skipped = skipped + 1
|
|
del functions[function]
|
|
if ret == 1:
|
|
nb_wrap = nb_wrap + 1
|
|
include.close()
|
|
export.close()
|
|
wrapper.close()
|
|
|
|
print "Generated %d wrapper functions, %d failed, %d skipped\n" % (nb_wrap,
|
|
failed, skipped);
|
|
print "Missing type converters: "
|
|
for type in unknown_types.keys():
|
|
print "%s:%d " % (type, len(unknown_types[type])),
|
|
print
|
|
|
|
#######################################################################
|
|
#
|
|
# This part writes part of the Python front-end classes based on
|
|
# mapping rules between types and classes and also based on function
|
|
# renaming to get consistent function names at the Python level
|
|
#
|
|
#######################################################################
|
|
|
|
#
|
|
# The type automatically remapped to generated classes
|
|
#
|
|
classes_type = {
|
|
"xmlNodePtr": ("._o", "xmlNode(_obj=%s)", "xmlNode"),
|
|
"xmlNode *": ("._o", "xmlNode(_obj=%s)", "xmlNode"),
|
|
"xmlDocPtr": ("._o", "xmlDoc(_obj=%s)", "xmlDoc"),
|
|
"xmlDocPtr *": ("._o", "xmlDoc(_obj=%s)", "xmlDoc"),
|
|
"htmlDocPtr": ("._o", "xmlDoc(_obj=%s)", "xmlDoc"),
|
|
"htmlxmlDocPtr *": ("._o", "xmlDoc(_obj=%s)", "xmlDoc"),
|
|
"xmlAttrPtr": ("._o", "xmlAttr(_obj=%s)", "xmlAttr"),
|
|
"xmlAttr *": ("._o", "xmlAttr(_obj=%s)", "xmlAttr"),
|
|
"xmlNsPtr": ("._o", "xmlNs(_obj=%s)", "xmlNs"),
|
|
"xmlNs *": ("._o", "xmlNs(_obj=%s)", "xmlNs"),
|
|
"xmlDtdPtr": ("._o", "xmlDtd(_obj=%s)", "xmlDtd"),
|
|
"xmlDtd *": ("._o", "xmlDtd(_obj=%s)", "xmlDtd"),
|
|
"xmlEntityPtr": ("._o", "xmlEntity(_obj=%s)", "xmlEntity"),
|
|
"xmlEntity *": ("._o", "xmlEntity(_obj=%s)", "xmlEntity"),
|
|
"xmlElementPtr": ("._o", "xmlElement(_obj=%s)", "xmlElement"),
|
|
"xmlElement *": ("._o", "xmlElement(_obj=%s)", "xmlElement"),
|
|
"xmlAttributePtr": ("._o", "xmlAttribute(_obj=%s)", "xmlAttribute"),
|
|
"xmlAttribute *": ("._o", "xmlAttribute(_obj=%s)", "xmlAttribute"),
|
|
"xmlXPathContextPtr": ("._o", "xpathContext(_obj=%s)", "xpathContext"),
|
|
"xmlXPathContext *": ("._o", "xpathContext(_obj=%s)", "xpathContext"),
|
|
"xmlXPathParserContext *": ("._o", "xpathParserContext(_obj=%s)", "xpathParserContext"),
|
|
"xmlXPathParserContextPtr": ("._o", "xpathParserContext(_obj=%s)", "xpathParserContext"),
|
|
"xmlParserCtxtPtr": ("._o", "parserCtxt(_obj=%s)", "parserCtxt"),
|
|
"xmlParserCtxt *": ("._o", "parserCtxt(_obj=%s)", "parserCtxt"),
|
|
"htmlParserCtxtPtr": ("._o", "parserCtxt(_obj=%s)", "parserCtxt"),
|
|
"htmlParserCtxt *": ("._o", "parserCtxt(_obj=%s)", "parserCtxt"),
|
|
"xmlCatalogPtr": ("._o", "catalog(_obj=%s)", "catalog"),
|
|
"xmlURIPtr": ("._o", "URI(_obj=%s)", "URI"),
|
|
"xmlOutputBufferPtr": ("._o", "outputBuffer(_obj=%s)", "outputBuffer"),
|
|
"xmlParserInputBufferPtr": ("._o", "inputBuffer(_obj=%s)", "inputBuffer"),
|
|
"xmlRegexpPtr": ("._o", "xmlReg(_obj=%s)", "xmlReg"),
|
|
"xmlTextReaderLocatorPtr": ("._o", "xmlTextReaderLocator(_obj=%s)", "xmlTextReaderLocator"),
|
|
"xmlTextReaderPtr": ("._o", "xmlTextReader(_obj=%s)", "xmlTextReader"),
|
|
'xmlRelaxNGPtr': ('._o', "relaxNgSchema(_obj=%s)", "relaxNgSchema"),
|
|
'xmlRelaxNGParserCtxtPtr': ('._o', "relaxNgParserCtxt(_obj=%s)", "relaxNgParserCtxt"),
|
|
'xmlRelaxNGValidCtxtPtr': ('._o', "relaxNgValidCtxt(_obj=%s)", "relaxNgValidCtxt"),
|
|
}
|
|
|
|
converter_type = {
|
|
"xmlXPathObjectPtr": "xpathObjectRet(%s)",
|
|
}
|
|
|
|
primary_classes = ["xmlNode", "xmlDoc"]
|
|
|
|
classes_ancestor = {
|
|
"xmlNode" : "xmlCore",
|
|
"xmlDtd" : "xmlNode",
|
|
"xmlDoc" : "xmlNode",
|
|
"xmlAttr" : "xmlNode",
|
|
"xmlNs" : "xmlNode",
|
|
"xmlEntity" : "xmlNode",
|
|
"xmlElement" : "xmlNode",
|
|
"xmlAttribute" : "xmlNode",
|
|
"outputBuffer": "ioWriteWrapper",
|
|
"inputBuffer": "ioReadWrapper",
|
|
"parserCtxt": "parserCtxtCore",
|
|
"xmlTextReader": "xmlTextReaderCore",
|
|
}
|
|
classes_destructors = {
|
|
"parserCtxt": "xmlFreeParserCtxt",
|
|
"catalog": "xmlFreeCatalog",
|
|
"URI": "xmlFreeURI",
|
|
# "outputBuffer": "xmlOutputBufferClose",
|
|
"inputBuffer": "xmlFreeParserInputBuffer",
|
|
"xmlReg": "xmlRegFreeRegexp",
|
|
"xmlTextReader": "xmlFreeTextReader",
|
|
"relaxNgSchema": "xmlRelaxNGFree",
|
|
"relaxNgParserCtxt": "xmlRelaxNGFreeParserCtxt",
|
|
"relaxNgValidCtxt": "xmlRelaxNGFreeValidCtxt",
|
|
}
|
|
|
|
functions_noexcept = {
|
|
"xmlHasProp": 1,
|
|
"xmlHasNsProp": 1,
|
|
"xmlDocSetRootElement": 1,
|
|
}
|
|
|
|
reference_keepers = {
|
|
"xmlTextReader": [('inputBuffer', 'input')],
|
|
"relaxNgValidCtxt": [('relaxNgSchema', 'schema')],
|
|
}
|
|
|
|
function_classes = {}
|
|
|
|
function_classes["None"] = []
|
|
|
|
def nameFixup(name, classe, type, file):
|
|
listname = classe + "List"
|
|
ll = len(listname)
|
|
l = len(classe)
|
|
if name[0:l] == listname:
|
|
func = name[l:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:12] == "xmlParserGet" and file == "python_accessor":
|
|
func = name[12:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:12] == "xmlParserSet" and file == "python_accessor":
|
|
func = name[12:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:10] == "xmlNodeGet" and file == "python_accessor":
|
|
func = name[10:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:9] == "xmlURIGet" and file == "python_accessor":
|
|
func = name[9:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:9] == "xmlURISet" and file == "python_accessor":
|
|
func = name[6:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:17] == "xmlXPathParserGet" and file == "python_accessor":
|
|
func = name[17:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:11] == "xmlXPathGet" and file == "python_accessor":
|
|
func = name[11:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:11] == "xmlXPathSet" and file == "python_accessor":
|
|
func = name[8:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:15] == "xmlOutputBuffer" and file != "python":
|
|
func = name[15:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:20] == "xmlParserInputBuffer" and file != "python":
|
|
func = name[20:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:9] == "xmlRegexp" and file == "xmlregexp":
|
|
func = "regexp" + name[9:]
|
|
elif name[0:6] == "xmlReg" and file == "xmlregexp":
|
|
func = "regexp" + name[6:]
|
|
elif name[0:20] == "xmlTextReaderLocator" and file == "xmlreader":
|
|
func = name[20:]
|
|
elif name[0:13] == "xmlTextReader" and file == "xmlreader":
|
|
func = name[13:]
|
|
elif name[0:11] == "xmlACatalog":
|
|
func = name[11:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:l] == classe:
|
|
func = name[l:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:7] == "libxml_":
|
|
func = name[7:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:6] == "xmlGet":
|
|
func = name[6:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
elif name[0:3] == "xml":
|
|
func = name[3:]
|
|
func = string.lower(func[0:1]) + func[1:]
|
|
else:
|
|
func = name
|
|
if func[0:5] == "xPath":
|
|
func = "xpath" + func[5:]
|
|
elif func[0:4] == "xPtr":
|
|
func = "xpointer" + func[4:]
|
|
elif func[0:8] == "xInclude":
|
|
func = "xinclude" + func[8:]
|
|
elif func[0:2] == "iD":
|
|
func = "ID" + func[2:]
|
|
elif func[0:3] == "uRI":
|
|
func = "URI" + func[3:]
|
|
elif func[0:4] == "uTF8":
|
|
func = "UTF8" + func[4:]
|
|
elif func[0:3] == 'sAX':
|
|
func = "SAX" + func[3:]
|
|
return func
|
|
|
|
|
|
def functionCompare(info1, info2):
|
|
(index1, func1, name1, ret1, args1, file1) = info1
|
|
(index2, func2, name2, ret2, args2, file2) = info2
|
|
if file1 == file2:
|
|
if func1 < func2:
|
|
return -1
|
|
if func1 > func2:
|
|
return 1
|
|
if file1 == "python_accessor":
|
|
return -1
|
|
if file2 == "python_accessor":
|
|
return 1
|
|
if file1 < file2:
|
|
return -1
|
|
if file1 > file2:
|
|
return 1
|
|
return 0
|
|
|
|
def writeDoc(name, args, indent, output):
|
|
if functions[name][0] is None or functions[name][0] == "":
|
|
return
|
|
val = functions[name][0]
|
|
val = string.replace(val, "NULL", "None");
|
|
output.write(indent)
|
|
output.write('"""')
|
|
while len(val) > 60:
|
|
str = val[0:60]
|
|
i = string.rfind(str, " ");
|
|
if i < 0:
|
|
i = 60
|
|
str = val[0:i]
|
|
val = val[i:]
|
|
output.write(str)
|
|
output.write('\n ');
|
|
output.write(indent)
|
|
output.write(val);
|
|
output.write(' """\n')
|
|
|
|
def buildWrappers():
|
|
global ctypes
|
|
global py_types
|
|
global py_return_types
|
|
global unknown_types
|
|
global functions
|
|
global function_classes
|
|
global classes_type
|
|
global classes_list
|
|
global converter_type
|
|
global primary_classes
|
|
global converter_type
|
|
global classes_ancestor
|
|
global converter_type
|
|
global primary_classes
|
|
global classes_ancestor
|
|
global classes_destructors
|
|
global functions_noexcept
|
|
|
|
for type in classes_type.keys():
|
|
function_classes[classes_type[type][2]] = []
|
|
|
|
#
|
|
# Build the list of C types to look for ordered to start
|
|
# with primary classes
|
|
#
|
|
ctypes = []
|
|
classes_list = []
|
|
ctypes_processed = {}
|
|
classes_processed = {}
|
|
for classe in primary_classes:
|
|
classes_list.append(classe)
|
|
classes_processed[classe] = ()
|
|
for type in classes_type.keys():
|
|
tinfo = classes_type[type]
|
|
if tinfo[2] == classe:
|
|
ctypes.append(type)
|
|
ctypes_processed[type] = ()
|
|
for type in classes_type.keys():
|
|
if ctypes_processed.has_key(type):
|
|
continue
|
|
tinfo = classes_type[type]
|
|
if not classes_processed.has_key(tinfo[2]):
|
|
classes_list.append(tinfo[2])
|
|
classes_processed[tinfo[2]] = ()
|
|
|
|
ctypes.append(type)
|
|
ctypes_processed[type] = ()
|
|
|
|
for name in functions.keys():
|
|
found = 0;
|
|
(desc, ret, args, file) = functions[name]
|
|
for type in ctypes:
|
|
classe = classes_type[type][2]
|
|
|
|
if name[0:3] == "xml" and len(args) >= 1 and args[0][1] == type:
|
|
found = 1
|
|
func = nameFixup(name, classe, type, file)
|
|
info = (0, func, name, ret, args, file)
|
|
function_classes[classe].append(info)
|
|
elif name[0:3] == "xml" and len(args) >= 2 and args[1][1] == type \
|
|
and file != "python_accessor":
|
|
found = 1
|
|
func = nameFixup(name, classe, type, file)
|
|
info = (1, func, name, ret, args, file)
|
|
function_classes[classe].append(info)
|
|
elif name[0:4] == "html" and len(args) >= 1 and args[0][1] == type:
|
|
found = 1
|
|
func = nameFixup(name, classe, type, file)
|
|
info = (0, func, name, ret, args, file)
|
|
function_classes[classe].append(info)
|
|
elif name[0:4] == "html" and len(args) >= 2 and args[1][1] == type \
|
|
and file != "python_accessor":
|
|
found = 1
|
|
func = nameFixup(name, classe, type, file)
|
|
info = (1, func, name, ret, args, file)
|
|
function_classes[classe].append(info)
|
|
if found == 1:
|
|
continue
|
|
if name[0:8] == "xmlXPath":
|
|
continue
|
|
if name[0:6] == "xmlStr":
|
|
continue
|
|
if name[0:10] == "xmlCharStr":
|
|
continue
|
|
func = nameFixup(name, "None", file, file)
|
|
info = (0, func, name, ret, args, file)
|
|
function_classes['None'].append(info)
|
|
|
|
classes = open("libxml2class.py", "w")
|
|
txt = open("libxml2class.txt", "w")
|
|
txt.write(" Generated Classes for libxml2-python\n\n")
|
|
|
|
txt.write("#\n# Global functions of the module\n#\n\n")
|
|
if function_classes.has_key("None"):
|
|
flist = function_classes["None"]
|
|
flist.sort(functionCompare)
|
|
oldfile = ""
|
|
for info in flist:
|
|
(index, func, name, ret, args, file) = info
|
|
if file != oldfile:
|
|
classes.write("#\n# Functions from module %s\n#\n\n" % file)
|
|
txt.write("\n# functions from module %s\n" % file)
|
|
oldfile = file
|
|
classes.write("def %s(" % func)
|
|
txt.write("%s()\n" % func);
|
|
n = 0
|
|
for arg in args:
|
|
if n != 0:
|
|
classes.write(", ")
|
|
classes.write("%s" % arg[0])
|
|
n = n + 1
|
|
classes.write("):\n")
|
|
writeDoc(name, args, ' ', classes);
|
|
|
|
for arg in args:
|
|
if classes_type.has_key(arg[1]):
|
|
classes.write(" if %s is None: %s__o = None\n" %
|
|
(arg[0], arg[0]))
|
|
classes.write(" else: %s__o = %s%s\n" %
|
|
(arg[0], arg[0], classes_type[arg[1]][0]))
|
|
if ret[0] != "void":
|
|
classes.write(" ret = ");
|
|
else:
|
|
classes.write(" ");
|
|
classes.write("libxml2mod.%s(" % name)
|
|
n = 0
|
|
for arg in args:
|
|
if n != 0:
|
|
classes.write(", ");
|
|
classes.write("%s" % arg[0])
|
|
if classes_type.has_key(arg[1]):
|
|
classes.write("__o");
|
|
n = n + 1
|
|
classes.write(")\n");
|
|
if ret[0] != "void":
|
|
if classes_type.has_key(ret[0]):
|
|
#
|
|
# Raise an exception
|
|
#
|
|
if functions_noexcept.has_key(name):
|
|
classes.write(" if ret is None:return None\n");
|
|
elif string.find(name, "URI") >= 0:
|
|
classes.write(
|
|
" if ret is None:raise uriError('%s() failed')\n"
|
|
% (name))
|
|
elif string.find(name, "XPath") >= 0:
|
|
classes.write(
|
|
" if ret is None:raise xpathError('%s() failed')\n"
|
|
% (name))
|
|
elif string.find(name, "Parse") >= 0:
|
|
classes.write(
|
|
" if ret is None:raise parserError('%s() failed')\n"
|
|
% (name))
|
|
else:
|
|
classes.write(
|
|
" if ret is None:raise treeError('%s() failed')\n"
|
|
% (name))
|
|
classes.write(" return ");
|
|
classes.write(classes_type[ret[0]][1] % ("ret"));
|
|
classes.write("\n");
|
|
else:
|
|
classes.write(" return ret\n");
|
|
classes.write("\n");
|
|
|
|
txt.write("\n\n#\n# Set of classes of the module\n#\n\n")
|
|
for classname in classes_list:
|
|
if classname == "None":
|
|
pass
|
|
else:
|
|
if classes_ancestor.has_key(classname):
|
|
txt.write("\n\nClass %s(%s)\n" % (classname,
|
|
classes_ancestor[classname]))
|
|
classes.write("class %s(%s):\n" % (classname,
|
|
classes_ancestor[classname]))
|
|
classes.write(" def __init__(self, _obj=None):\n")
|
|
if reference_keepers.has_key(classname):
|
|
rlist = reference_keepers[classname]
|
|
for ref in rlist:
|
|
classes.write(" self.%s = None\n" % ref[1])
|
|
classes.write(" self._o = None\n")
|
|
classes.write(" %s.__init__(self, _obj=_obj)\n\n" % (
|
|
classes_ancestor[classname]))
|
|
if classes_ancestor[classname] == "xmlCore" or \
|
|
classes_ancestor[classname] == "xmlNode":
|
|
classes.write(" def __repr__(self):\n")
|
|
format = "<%s (%%s) object at 0x%%x>" % (classname)
|
|
classes.write(" return \"%s\" %% (self.name, id (self))\n\n" % (
|
|
format))
|
|
else:
|
|
txt.write("Class %s()\n" % (classname))
|
|
classes.write("class %s:\n" % (classname))
|
|
classes.write(" def __init__(self, _obj=None):\n")
|
|
if reference_keepers.has_key(classname):
|
|
list = reference_keepers[classname]
|
|
for ref in list:
|
|
classes.write(" self.%s = None\n" % ref[1])
|
|
classes.write(" if _obj != None:self._o = _obj;return\n")
|
|
classes.write(" self._o = None\n\n");
|
|
if classes_destructors.has_key(classname):
|
|
classes.write(" def __del__(self):\n")
|
|
classes.write(" if self._o != None:\n")
|
|
classes.write(" libxml2mod.%s(self._o)\n" %
|
|
classes_destructors[classname]);
|
|
classes.write(" self._o = None\n\n");
|
|
flist = function_classes[classname]
|
|
flist.sort(functionCompare)
|
|
oldfile = ""
|
|
for info in flist:
|
|
(index, func, name, ret, args, file) = info
|
|
if file != oldfile:
|
|
if file == "python_accessor":
|
|
classes.write(" # accessors for %s\n" % (classname))
|
|
txt.write(" # accessors\n")
|
|
else:
|
|
classes.write(" #\n")
|
|
classes.write(" # %s functions from module %s\n" % (
|
|
classname, file))
|
|
txt.write("\n # functions from module %s\n" % file)
|
|
classes.write(" #\n\n")
|
|
oldfile = file
|
|
classes.write(" def %s(self" % func)
|
|
txt.write(" %s()\n" % func);
|
|
n = 0
|
|
for arg in args:
|
|
if n != index:
|
|
classes.write(", %s" % arg[0])
|
|
n = n + 1
|
|
classes.write("):\n")
|
|
writeDoc(name, args, ' ', classes);
|
|
n = 0
|
|
for arg in args:
|
|
if classes_type.has_key(arg[1]):
|
|
if n != index:
|
|
classes.write(" if %s is None: %s__o = None\n" %
|
|
(arg[0], arg[0]))
|
|
classes.write(" else: %s__o = %s%s\n" %
|
|
(arg[0], arg[0], classes_type[arg[1]][0]))
|
|
n = n + 1
|
|
if ret[0] != "void":
|
|
classes.write(" ret = ");
|
|
else:
|
|
classes.write(" ");
|
|
classes.write("libxml2mod.%s(" % name)
|
|
n = 0
|
|
for arg in args:
|
|
if n != 0:
|
|
classes.write(", ");
|
|
if n != index:
|
|
classes.write("%s" % arg[0])
|
|
if classes_type.has_key(arg[1]):
|
|
classes.write("__o");
|
|
else:
|
|
classes.write("self");
|
|
if classes_type.has_key(arg[1]):
|
|
classes.write(classes_type[arg[1]][0])
|
|
n = n + 1
|
|
classes.write(")\n");
|
|
if ret[0] != "void":
|
|
if classes_type.has_key(ret[0]):
|
|
#
|
|
# Raise an exception
|
|
#
|
|
if functions_noexcept.has_key(name):
|
|
classes.write(
|
|
" if ret is None:return None\n");
|
|
elif string.find(name, "URI") >= 0:
|
|
classes.write(
|
|
" if ret is None:raise uriError('%s() failed')\n"
|
|
% (name))
|
|
elif string.find(name, "XPath") >= 0:
|
|
classes.write(
|
|
" if ret is None:raise xpathError('%s() failed')\n"
|
|
% (name))
|
|
elif string.find(name, "Parse") >= 0:
|
|
classes.write(
|
|
" if ret is None:raise parserError('%s() failed')\n"
|
|
% (name))
|
|
else:
|
|
classes.write(
|
|
" if ret is None:raise treeError('%s() failed')\n"
|
|
% (name))
|
|
|
|
#
|
|
# generate the returned class wrapper for the object
|
|
#
|
|
classes.write(" __tmp = ");
|
|
classes.write(classes_type[ret[0]][1] % ("ret"));
|
|
classes.write("\n");
|
|
|
|
#
|
|
# Sometime one need to keep references of the source
|
|
# class in the returned class object.
|
|
# See reference_keepers for the list
|
|
#
|
|
tclass = classes_type[ret[0]][2]
|
|
if reference_keepers.has_key(tclass):
|
|
list = reference_keepers[tclass]
|
|
for pref in list:
|
|
if pref[0] == classname:
|
|
classes.write(" __tmp.%s = self\n" %
|
|
pref[1])
|
|
#
|
|
# return the class
|
|
#
|
|
classes.write(" return __tmp\n");
|
|
elif converter_type.has_key(ret[0]):
|
|
#
|
|
# Raise an exception
|
|
#
|
|
if functions_noexcept.has_key(name):
|
|
classes.write(
|
|
" if ret is None:return None");
|
|
elif string.find(name, "URI") >= 0:
|
|
classes.write(
|
|
" if ret is None:raise uriError('%s() failed')\n"
|
|
% (name))
|
|
elif string.find(name, "XPath") >= 0:
|
|
classes.write(
|
|
" if ret is None:raise xpathError('%s() failed')\n"
|
|
% (name))
|
|
elif string.find(name, "Parse") >= 0:
|
|
classes.write(
|
|
" if ret is None:raise parserError('%s() failed')\n"
|
|
% (name))
|
|
else:
|
|
classes.write(
|
|
" if ret is None:raise treeError('%s() failed')\n"
|
|
% (name))
|
|
classes.write(" return ");
|
|
classes.write(converter_type[ret[0]] % ("ret"));
|
|
classes.write("\n");
|
|
else:
|
|
classes.write(" return ret\n");
|
|
classes.write("\n");
|
|
|
|
txt.close()
|
|
classes.close()
|
|
|
|
|
|
buildStubs()
|
|
buildWrappers()
|