Exemplo n.º 1
0
 def parse(self, elt, ps):
     href = _find_href(elt)
     if href:
         if _children(elt):
             raise EvaluateException('Array has content and HREF',
                     ps.Backtrace(elt))
         elt = ps.FindLocalHREF(href, elt)
     if self.nilled(elt, ps): return None
     if not _find_arraytype(elt) and not self.undeclared:
         raise EvaluateException('Array expected', ps.Backtrace(elt))
     t = _find_type(elt)
     if t:
         pass # XXX should check the type, but parsing that is hairy.
     offset = self.parse_offset(elt, ps)
     v, vlen = [], 0
     if offset and not self.sparse:
         while vlen < offset:
             vlen += 1
             v.append(self.fill)
     for c in _child_elements(elt):
         item = self.ofwhat.parse(c, ps)
         position = self.parse_position(c, ps) or offset
         if self.sparse:
             v.append((position, item))
         else:
             while offset < position:
                 offset += 1
                 v.append(self.fill)
             v.append(item)
         offset += 1
     return v
Exemplo n.º 2
0
 def parse(self, elt, ps):
     (ns,type) = self.checkname(elt, ps)
     if not type and self.nilled(elt, ps): return None
     if len(_children(elt)) == 0:
         href = _find_href(elt)
         if not href:
             if self.optional: return None
             raise EvaluateException('Non-optional Any missing',
                     ps.Backtrace(elt))
         elt = ps.FindLocalHREF(href, elt)
         (ns,type) = self.checktype(elt, ps)
     if not type and elt.namespaceURI == SOAP.ENC:
         ns,type = SOAP.ENC, elt.localName
     if not type or (ns,type) == (SOAP.ENC,'Array'):
         if self.aslist or _find_arraytype(elt):
             return [ Any(aslist=self.aslist).parse(e, ps)
                         for e in _child_elements(elt) ]
         if len(_child_elements(elt)) == 0:
             raise EvaluateException("Any cannot parse untyped element",
                     ps.Backtrace(elt))
         return self.parse_into_dict_or_list(elt, ps)
     parser = Any.parsemap.get((ns,type))
     if not parser and _is_xsd_or_soap_ns(ns):
         parser = Any.parsemap.get((None,type))
     if not parser:
         raise EvaluateException('''Any can't parse element''',
                 ps.Backtrace(elt))
     return parser.parse(elt, ps)
Exemplo n.º 3
0
 def parse(self, elt, ps):
     href = _find_href(elt)
     if href:
         if _children(elt):
             raise EvaluateException('Array has content and HREF',
                     ps.Backtrace(elt))
         elt = ps.FindLocalHREF(href, elt)
     if self.nilled(elt, ps): return Nilled
     if not _find_arraytype(elt) and self.undeclared is False:
         raise EvaluateException('Array expected', ps.Backtrace(elt))
     t = _find_type(elt)
     if t:
         pass # XXX should check the type, but parsing that is hairy.
     offset = self.parse_offset(elt, ps)
     v, vlen = [], 0
     if offset and not self.sparse:
         while vlen < offset:
             vlen += 1
             v.append(self.fill)
     for c in _child_elements(elt):
         item = self.ofwhat.parse(c, ps)
         position = self.parse_position(c, ps) or offset
         if self.sparse:
             v.append((position, item))
         else:
             while offset < position:
                 offset += 1
                 v.append(self.fill)
             v.append(item)
         offset += 1
     return v
Exemplo n.º 4
0
 def SimpleHREF(self, elt, ps, tag):
     '''Simple HREF for non-string and non-struct and non-array.
     '''
     if len(_children(elt)): return elt
     href = _find_href(elt)
     if not href:
         if self.optional: return None
         raise EvaluateException('Non-optional ' + tag + ' missing',
                 ps.Backtrace(elt))
     return ps.FindLocalHREF(href, elt, 0)
Exemplo n.º 5
0
 def parse_into_dict_or_list(self, elt, ps):
     c = _child_elements(elt)
     count = len(c)
     v = {}
     if count == 0:
         href = _find_href(elt)
         if not href: return v
         elt = ps.FindLocalHREF(href, elt)
         self.checktype(elt, ps)
         c = _child_elements(elt)
         count = len(c)
         if count == 0: return self.listify(v)
     if self.nilled(elt, ps): return None
     for c_elt in c:
         v[str(c_elt.nodeName)] = self.parse(c_elt, ps)
     return self.listify(v)
Exemplo n.º 6
0
 def parse(self, elt, ps):
     self.checkname(elt, ps)
     if len(_children(elt)) == 0:
         href = _find_href(elt)
         if not href:
             if _find_nil(elt) not in [ "true",  "1"]:
                 # No content, no HREF, not NIL:  empty string
                 return ""
             # No content, no HREF, and is NIL...
             if self.optional: return None
             raise EvaluateException('Non-optional string missing',
                     ps.Backtrace(elt))
         if href[0] != '#':
             return ps.ResolveHREF(href, self)
         elt = ps.FindLocalHREF(href, elt)
         self.checktype(elt, ps)
     if self.nilled(elt, ps): return None
     if len(_children(elt)) == 0: return ''
     v = self.simple_value(elt, ps)
     if self.strip: v = v.strip()
     return v
Exemplo n.º 7
0
 def parse(self, elt, ps):
     if not self.wrapped:
         return elt
     c = _child_elements(elt)
     if not c:
         href = _find_href(elt)
         if not href:
             if self.optional: return None
             raise EvaluateException('Embedded XML document missing',
                     ps.Backtrace(elt))
         if href[0] != '#':
             return ps.ResolveHREF(href, self)
         elt = ps.FindLocalHREF(href, elt)
         c = _child_elements(elt)
     if _find_encstyle(elt) != "":
         #raise EvaluateException('Embedded XML has unknown encodingStyle',
         #       ps.Backtrace(elt)
         pass
     if len(c) != 1:
         raise EvaluateException('Embedded XML has more than one child',
                 ps.Backtrace(elt))
     if self.copyit: return c[0].cloneNode(1)
     return c[0]
Exemplo n.º 8
0
    def parse(self, elt, ps):
        debug = self.logger.debugOn()
        debug and self.logger.debug('parse')

        xtype = self.checkname(elt, ps)
        if self.type and xtype not in [self.type, (None, None)]:
            if not isinstance(self, TypeDefinition):
                raise EvaluateException(\
                    'ComplexType for %s has wrong type(%s), looking for %s' %
                        (self.pname, self.checktype(elt,ps), self.type),
                                        ps.Backtrace(elt))
            else:
                #TODO: mabye change MRO to handle this
                debug and self.logger.debug('delegate to substitute type')
                what = TypeDefinition.getSubstituteType(self, elt, ps)
                return what.parse(elt, ps)

        href = _find_href(elt)
        if href:
            if _children(elt):
                raise EvaluateException('Struct has content and HREF',
                                        ps.Backtrace(elt))
            elt = ps.FindLocalHREF(href, elt)
        c = _child_elements(elt)
        count = len(c)
        if self.nilled(elt, ps): return Nilled

        # Create the object.
        if self.pyclass:
            # type definition must be informed of element tag (nspname,pname),
            # element declaration is initialized with a tag.
            try:
                pyobj = self.pyclass()
            except Exception, e:
                raise TypeError("Constructing element (%s,%s) with pyclass(%s), %s" \
                    %(self.nspname, self.pname, self.pyclass.__name__, str(e)))
Exemplo n.º 9
0
    def parse(self, elt, ps):
        debug = self.logger.debugOn()
        debug and self.logger.debug('parse')
        
        xtype = self.checkname(elt, ps)
        if self.type and xtype not in [ self.type, (None,None) ]:
            if not isinstance(self, TypeDefinition):
                raise EvaluateException(\
                    'ComplexType for %s has wrong type(%s), looking for %s' %
                        (self.pname, self.checktype(elt,ps), self.type), 
                                        ps.Backtrace(elt))
            else:
                #TODO: mabye change MRO to handle this 
                debug and self.logger.debug('delegate to substitute type')
                what = TypeDefinition.getSubstituteType(self, elt, ps)
                return what.parse(elt, ps)
            
        href = _find_href(elt)
        if href:
            if _children(elt):
                raise EvaluateException('Struct has content and HREF',
                        ps.Backtrace(elt))
            elt = ps.FindLocalHREF(href, elt)
        c = _child_elements(elt)
        count = len(c)
        if self.nilled(elt, ps): return Nilled

        # Create the object.
        if self.pyclass: 
            # type definition must be informed of element tag (nspname,pname),
            # element declaration is initialized with a tag.
            try:
                pyobj = self.pyclass()
            except Exception, e:
                raise TypeError("Constructing element (%s,%s) with pyclass(%s), %s" \
                    %(self.nspname, self.pname, self.pyclass.__name__, str(e)))
Exemplo n.º 10
0
    def parse(self, elt, ps):
        #if elt.localName != self.pname:
        #    elt = elt.getElementsByTagName(self.pname)[0]
        self.checkname(elt, ps)
        if self.type and \
        self.checktype(elt, ps) not in [ self.type, (None,None) ]:
            raise EvaluateException('Struct has wrong type', ps.Backtrace(elt))
        href = _find_href(elt)
        if href:
            if _children(elt):
                raise EvaluateException('Struct has content and HREF',
                        ps.Backtrace(elt))
            elt = ps.FindLocalHREF(href, elt)
        c = _child_elements(elt)
        count = len(c)
        if self.nilled(elt, ps): return None
        repeatable_args = False
        for tc in self.ofwhat:
            if tc.repeatable:
                repeatable_args = True
                break

        if not repeatable_args:
            if count > len(self.ofwhat) and not self.hasextras:
                raise EvaluateException('Too many sub-elements', ps.Backtrace(elt))

        # Create the object.
        v = {}

        # Clone list of kids (we null it out as we process)
        c, crange = c[:], range(len(c))
        # Loop over all items we're expecting
        for i,what in [ (i, self.ofwhat[i]) for i in range(len(self.ofwhat)) ]:
            # Loop over all available kids
            for j,c_elt in [ (j, c[j]) for j in crange if c[j] ]:
                if what.name_match(c_elt):
                    # Parse value, and mark this one done.
                    try:
                        value = what.parse(c_elt, ps)
                    except EvaluateException, e:
                        e.str = '%s.%s: %s' % \
                                (self.pname or '?', what.aname or '?', e.str)
                        raise e
                    if what.repeatable:
                        if v.has_key(what.aname):
                            v[what.aname].append(value)
                        else:
                            v[what.aname] = [value]
                        c[j] = None
                        continue
                    else:
                        v[what.aname] = value
                    c[j] = None
                    break
                # No match; if it was supposed to be here, that's an error.
                if self.inorder and i == j:
                    raise EvaluateException('Out of order struct',
                            ps.Backtrace(c_elt))
            else:
                if not what.optional and not v.has_key(what.aname):
                    raise EvaluateException('Element "' + what.aname + \
                        '" missing from struct', ps.Backtrace(elt))
                if hasattr(what, 'default'):
                    v[what.aname] = what.default
Exemplo n.º 11
0
    def parse(self, elt, ps):
        debug = self.logger.debugOn()
        debug and self.logger.debug('parse')
        
        xtype = self.checkname(elt, ps)
        if self.type and xtype not in [ self.type, (None,None) ]:
            if not isinstance(self, TypeDefinition):
                raise EvaluateException(\
                    'ComplexType for %s has wrong type(%s), looking for %s' %
                        (self.pname, self.checktype(elt,ps), self.type), 
                                        ps.Backtrace(elt))
            else:
                #TODO: mabye change MRO to handle this 
                debug and self.logger.debug('delegate to substitute type')
                what = TypeDefinition.getSubstituteType(self, elt, ps)
                return what.parse(elt, ps)
            
        href = _find_href(elt)
        if href:
            if _children(elt):
                raise EvaluateException('Struct has content and HREF',
                        ps.Backtrace(elt))
            elt = ps.FindLocalHREF(href, elt)
        c = _child_elements(elt)
        count = len(c)
        if self.nilled(elt, ps): return Nilled

        # Create the object.
        v = {}

        # parse all attributes contained in attribute_typecode_dict (user-defined attributes),
        # the values (if not None) will be keyed in self.attributes dictionary.
        attributes = self.parse_attributes(elt, ps)
        if attributes:
            v[self.attrs_aname] = attributes

        #MIXED
        if self.mixed is True:
            v[self.mixed_aname] = self.simple_value(elt,ps, mixed=True)

        # Clone list of kids (we null it out as we process)
        c, crange = c[:], range(len(c))
        # Loop over all items we're expecting
        
        if debug:
            self.logger.debug("ofwhat: %s",str(self.ofwhat))
            
        any = None
        for i,what in [ (i, self.ofwhat[i]) for i in range(len(self.ofwhat)) ]:
            
            # retrieve typecode if it is hidden
            if callable(what): what = what()
            
            # Loop over all available kids
            if debug: 
                self.logger.debug("what: (%s,%s)", what.nspname, what.pname)
                
            for j,c_elt in [ (j, c[j]) for j in crange if c[j] ]:
                if debug:
                    self.logger.debug("child node: (%s,%s)", c_elt.namespaceURI, 
                                      c_elt.tagName)
                if what.name_match(c_elt):
                    # Parse value, and mark this one done. 
                    try:
                        value = what.parse(c_elt, ps)
                    except EvaluateException, e:
                        #what = _get_substitute_element(c_elt, what)
                        #value = what.parse(c_elt, ps)
                        raise
                    if what.maxOccurs > 1:
                        if v.has_key(what.aname):
                            v[what.aname].append(value)
                        else:
                            v[what.aname] = [value]
                        c[j] = None
                        continue
                    else:
                        v[what.aname] = value
                    c[j] = None
                    break
                else:
                    if debug:
                        self.logger.debug("no element (%s,%s)",
                                          what.nspname, what.pname)

                # No match; if it was supposed to be here, that's an error.
                if self.inorder is True and i == j:
                    raise EvaluateException('Out of order complexType',
                            ps.Backtrace(c_elt))
            else:
                # only supporting 1 <any> declaration in content.
                if isinstance(what,AnyElement):
                    any = what
                elif hasattr(what, 'default'):
                    v[what.aname] = what.default
                elif what.minOccurs > 0 and not v.has_key(what.aname):
                    raise EvaluateException('Element "' + what.aname + \
                        '" missing from complexType', ps.Backtrace(elt))
Exemplo n.º 12
0
    def parse(self, elt, ps):
        debug = self.logger.debugOn()
        debug and self.logger.debug('parse')
        
        xtype = self.checkname(elt, ps)
        if self.type and xtype not in [ self.type, (None,None) ]:
            if not isinstance(self, TypeDefinition):
                raise EvaluateException(\
                    'ComplexType for %s has wrong type(%s), looking for %s' %
                        (self.pname, self.checktype(elt,ps), self.type), 
                                        ps.Backtrace(elt))
            else:
                #TODO: mabye change MRO to handle this 
                debug and self.logger.debug('delegate to substitute type')
                what = TypeDefinition.getSubstituteType(self, elt, ps)
                return what.parse(elt, ps)
            
        href = _find_href(elt)
        if href:
            if _children(elt):
                raise EvaluateException('Struct has content and HREF',
                        ps.Backtrace(elt))
            elt = ps.FindLocalHREF(href, elt)
        c = _child_elements(elt)
        count = len(c)
        if self.nilled(elt, ps): return Nilled

        # Create the object.
        v = {}

        # parse all attributes contained in attribute_typecode_dict (user-defined attributes),
        # the values (if not None) will be keyed in self.attributes dictionary.
        attributes = self.parse_attributes(elt, ps)
        if attributes:
            v[self.attrs_aname] = attributes

        #MIXED
        if self.mixed is True:
            v[self.mixed_aname] = self.simple_value(elt,ps, mixed=True)

        # Clone list of kids (we null it out as we process)
        c, crange = c[:], range(len(c))
        # Loop over all items we're expecting
        
        if debug:
            self.logger.debug("ofwhat: %s",str(self.ofwhat))
            
        any = None
        for i,what in [ (i, self.ofwhat[i]) for i in range(len(self.ofwhat)) ]:
            
            # retrieve typecode if it is hidden
            if callable(what): what = what()
            
            # Loop over all available kids
            if debug: 
                self.logger.debug("what: (%s,%s)", what.nspname, what.pname)
                
            for j,c_elt in [ (j, c[j]) for j in crange if c[j] ]:
                if debug:
                    self.logger.debug("child node: (%s,%s)", c_elt.namespaceURI, 
                                      c_elt.tagName)
                if what.name_match(c_elt):
                    # Parse value, and mark this one done. 
                    try:
                        value = what.parse(c_elt, ps)
                    except EvaluateException, e:
                        #what = _get_substitute_element(c_elt, what)
                        #value = what.parse(c_elt, ps)
                        raise
                    if what.maxOccurs > 1:
                        if v.has_key(what.aname):
                            v[what.aname].append(value)
                        else:
                            v[what.aname] = [value]
                        c[j] = None
                        continue
                    else:
                        v[what.aname] = value
                    c[j] = None
                    break
                else:
                    if debug:
                        self.logger.debug("no element (%s,%s)",
                                          what.nspname, what.pname)

                # No match; if it was supposed to be here, that's an error.
                if self.inorder is True and i == j:
                    raise EvaluateException('Out of order complexType',
                            ps.Backtrace(c_elt))
            else:
                # only supporting 1 <any> declaration in content.
                if isinstance(what,AnyElement):
                    any = what
                elif hasattr(what, 'default'):
                    v[what.aname] = what.default
                elif what.minOccurs > 0 and not v.has_key(what.aname):
                    raise EvaluateException('Element "' + what.aname + \
                        '" missing from complexType', ps.Backtrace(elt))
Exemplo n.º 13
0
    def parse(self, elt, ps):
        debug = self.logger.debugOn()
        debug and self.logger.debug('parse')

        xtype = self.checkname(elt, ps)
        if self.type and xtype not in [self.type, (None, None)]:
            if not isinstance(self, TypeDefinition):
                raise EvaluateException(\
                    'ComplexType for %s has wrong type(%s), looking for %s' %
                        (self.pname, self.checktype(elt,ps), self.type),
                                        ps.Backtrace(elt))
            else:
                #TODO: mabye change MRO to handle this
                debug and self.logger.debug('delegate to substitute type')
                what = TypeDefinition.getSubstituteType(self, elt, ps)
                return what.parse(elt, ps)

        href = _find_href(elt)
        if href:
            if _children(elt):
                raise EvaluateException('Struct has content and HREF',
                                        ps.Backtrace(elt))
            elt = ps.FindLocalHREF(href, elt)
        c = _child_elements(elt)
        count = len(c)
        if self.nilled(elt, ps): return Nilled

        # Create the object.
        v = {}

        # parse all attributes contained in attribute_typecode_dict (user-defined attributes),
        # the values (if not None) will be keyed in self.attributes dictionary.
        attributes = self.parse_attributes(elt, ps)
        if attributes:
            v[self.attrs_aname] = attributes

        #MIXED
        if self.mixed is True:
            v[self.mixed_aname] = self.simple_value(elt, ps, mixed=True)

        # Clone list of kids (we null it out as we process)
        c, crange = c[:], range(len(c))
        # Loop over all items we're expecting

        if debug:
            self.logger.debug("ofwhat: %s", str(self.ofwhat))

        any = None
        for i, what in [(i, self.ofwhat[i]) for i in range(len(self.ofwhat))]:

            # retrieve typecode if it is hidden
            if callable(what): what = what()

            # Loop over all available kids
            if debug:
                self.logger.debug("what: (%s,%s)", what.nspname, what.pname)

            for j, c_elt in [(j, c[j]) for j in crange if c[j]]:
                # Parse value, and mark this one done.
                if debug:
                    self.logger.debug("child node: (%s,%s)",
                                      c_elt.namespaceURI, c_elt.tagName)

                match = False
                if what.name_match(c_elt):
                    match = True
                    value = what.parse(c_elt, ps)
                else:
                    # substitutionGroup head must be a global element declaration
                    # if successful delegate to matching GED
                    subwhat = _get_substitute_element(what, c_elt, ps)
                    if subwhat:
                        match = True
                        value = subwhat.parse(c_elt, ps)

                    if debug:
                        self.logger.debug("substitutionGroup: %s", subwhat)

                if match:
                    if what.maxOccurs > 1:
                        if v.has_key(what.aname):
                            v[what.aname].append(value)
                        else:
                            v[what.aname] = [value]
                        c[j] = None
                        continue
                    else:
                        v[what.aname] = value
                    c[j] = None
                    break

                if debug:
                    self.logger.debug("no element (%s,%s)", what.nspname,
                                      what.pname)

                # No match; if it was supposed to be here, that's an error.
                if self.inorder is True and i == j:
                    raise EvaluateException('Out of order complexType',
                                            ps.Backtrace(c_elt))
            else:
                # only supporting 1 <any> declaration in content.
                if isinstance(what, AnyElement):
                    any = what
                elif hasattr(what, 'default'):
                    v[what.aname] = what.default
                elif what.minOccurs > 0 and not v.has_key(what.aname):
                    raise EvaluateException('Element "' + what.aname + \
                        '" missing from complexType', ps.Backtrace(elt))

        # Look for wildcards and unprocessed children
        # XXX Stick all this stuff in "any", hope for no collisions
        if any is not None:
            occurs = 0
            v[any.aname] = []
            for j, c_elt in [(j, c[j]) for j in crange if c[j]]:
                value = any.parse(c_elt, ps)
                if any.maxOccurs == UNBOUNDED or any.maxOccurs > 1:
                    v[any.aname].append(value)
                else:
                    v[any.aname] = value

                occurs += 1

            # No such thing as nillable <any>
            if any.maxOccurs == 1 and occurs == 0:
                v[any.aname] = None
            elif occurs < any.minOccurs or (any.maxOccurs != UNBOUNDED
                                            and any.maxOccurs < occurs):
                raise EvaluateException(
                    'occurances of <any> elements(#%d) bound by (%d,%s)' %
                    (occurs, any.minOccurs, str(any.maxOccurs)),
                    ps.Backtrace(elt))

        if not self.pyclass:
            return v

        # type definition must be informed of element tag (nspname,pname),
        # element declaration is initialized with a tag.
        try:
            pyobj = self.pyclass()
        except Exception, e:
            raise TypeError("Constructing element (%s,%s) with pyclass(%s), %s" \
                %(self.nspname, self.pname, self.pyclass.__name__, str(e)))
Exemplo n.º 14
0
    def parse(self, elt, ps):
        debug = self.logger.debugOn()
        debug and self.logger.debug('parse')
        
        xtype = self.checkname(elt, ps)
        if self.type and xtype not in [ self.type, (None,None) ]:
            if not isinstance(self, TypeDefinition):
                raise EvaluateException(\
                    'ComplexType for %s has wrong type(%s), looking for %s' %
                        (self.pname, self.checktype(elt,ps), self.type), 
                                        ps.Backtrace(elt))
            else:
                #TODO: mabye change MRO to handle this 
                debug and self.logger.debug('delegate to substitute type')
                what = TypeDefinition.getSubstituteType(self, elt, ps)
                return what.parse(elt, ps)
            
        href = _find_href(elt)
        if href:
            if _children(elt):
                raise EvaluateException('Struct has content and HREF',
                        ps.Backtrace(elt))
            elt = ps.FindLocalHREF(href, elt)
        c = _child_elements(elt)
        count = len(c)
        if self.nilled(elt, ps): return Nilled

        # Create the object.
        v = {}

        # parse all attributes contained in attribute_typecode_dict (user-defined attributes),
        # the values (if not None) will be keyed in self.attributes dictionary.
        attributes = self.parse_attributes(elt, ps)
        if attributes:
            v[self.attrs_aname] = attributes

        #MIXED
        if self.mixed is True:
            v[self.mixed_aname] = self.simple_value(elt,ps, mixed=True)

        # Clone list of kids (we null it out as we process)
        c, crange = c[:], range(len(c))
        # Loop over all items we're expecting
        
        if debug:
            self.logger.debug("ofwhat: %s",str(self.ofwhat))
            
        any = None
        for i,what in [ (i, self.ofwhat[i]) for i in range(len(self.ofwhat)) ]:
            
            # retrieve typecode if it is hidden
            if callable(what): what = what()
            
            # Loop over all available kids
            if debug: 
                self.logger.debug("what: (%s,%s)", what.nspname, what.pname)
                
            for j,c_elt in [ (j, c[j]) for j in crange if c[j] ]:
                # Parse value, and mark this one done. 
                if debug:
                    self.logger.debug("child node: (%s,%s)", c_elt.namespaceURI, c_elt.tagName)

                match = False
                if what.name_match(c_elt):
                    match = True
                    value = what.parse(c_elt, ps)
                else:
                    # substitutionGroup head must be a global element declaration
                    # if successful delegate to matching GED
                    subwhat = _get_substitute_element(what, c_elt, ps)
                    if subwhat:
                        match = True
                        value = subwhat.parse(c_elt, ps)

                    if debug: 
                        self.logger.debug("substitutionGroup: %s", subwhat)

                if match:
                    if what.maxOccurs > 1:
                        if v.has_key(what.aname):
                            v[what.aname].append(value)
                        else:
                            v[what.aname] = [value]
                        c[j] = None
                        continue
                    else:
                        v[what.aname] = value
                    c[j] = None
                    break

                if debug:
                    self.logger.debug("no element (%s,%s)", what.nspname, what.pname)

                # No match; if it was supposed to be here, that's an error.
                if self.inorder is True and i == j:
                    raise EvaluateException('Out of order complexType',
                            ps.Backtrace(c_elt))
            else:
                # only supporting 1 <any> declaration in content.
                if isinstance(what,AnyElement):
                    any = what
                elif hasattr(what, 'default'):
                    v[what.aname] = what.default
                elif what.minOccurs > 0 and not v.has_key(what.aname):
                    raise EvaluateException('Element "' + what.aname + \
                        '" missing from complexType', ps.Backtrace(elt))

        # Look for wildcards and unprocessed children
        # XXX Stick all this stuff in "any", hope for no collisions
        if any is not None:
            occurs = 0
            v[any.aname] = []
            for j,c_elt in [ (j, c[j]) for j in crange if c[j] ]:
                value = any.parse(c_elt, ps)
                if any.maxOccurs == UNBOUNDED or any.maxOccurs > 1:
                    v[any.aname].append(value)
                else:
                    v[any.aname] = value

                occurs += 1

            # No such thing as nillable <any>
            if any.maxOccurs == 1 and occurs == 0:
                v[any.aname] = None
            elif occurs < any.minOccurs or (any.maxOccurs!=UNBOUNDED and any.maxOccurs<occurs):
                raise EvaluateException('occurances of <any> elements(#%d) bound by (%d,%s)' %(
                    occurs, any.minOccurs,str(any.maxOccurs)), ps.Backtrace(elt))

        if not self.pyclass: 
            return v

        # type definition must be informed of element tag (nspname,pname),
        # element declaration is initialized with a tag.
        try:
            pyobj = self.pyclass()
        except Exception, e:
            raise TypeError("Constructing element (%s,%s) with pyclass(%s), %s" \
                %(self.nspname, self.pname, self.pyclass.__name__, str(e)))
Exemplo n.º 15
0
    def parse(self, elt, ps):
        debug = self.logger.debugOn()
        debug and self.logger.debug('parse')

        xtype = self.checkname(elt, ps)
        if self.type and xtype not in [self.type, (None, None)]:
            if not isinstance(self, TypeDefinition):
                raise EvaluateException(\
                    'ComplexType for %s has wrong type(%s), looking for %s' %
                        (self.pname, self.checktype(elt,ps), self.type),
                                        ps.Backtrace(elt))
            else:
                #TODO: mabye change MRO to handle this
                debug and self.logger.debug('delegate to substitute type')
                what = TypeDefinition.getSubstituteType(self, elt, ps)
                return what.parse(elt, ps)

        href = _find_href(elt)
        if href:
            if _children(elt):
                raise EvaluateException('Struct has content and HREF',
                                        ps.Backtrace(elt))
            elt = ps.FindLocalHREF(href, elt)
        c = _child_elements(elt)
        if self.nilled(elt, ps): return Nilled

        # Create the object.
        if self.pyclass:
            # type definition must be informed of element tag (nspname,pname),
            # element declaration is initialized with a tag.
            try:
                pyobj = self.pyclass()
            except Exception as e:
                raise TypeError("Constructing element (%s,%s) with pyclass(%s), %s" \
                    %(self.nspname, self.pname, self.pyclass.__name__, str(e)))
        else:
            pyobj = ComplexType._DictHolder()

        # parse all attributes contained in attribute_typecode_dict (user-defined attributes),
        # the values (if not None) will be keyed in self.attributes dictionary.
        attributes = self.parse_attributes(elt, ps)
        if attributes:
            setattr(pyobj, self.attrs_aname, attributes)

        #MIXED
        if self.mixed is True:
            setattr(pyobj, self.mixed_aname,
                    self.simple_value(elt, ps, mixed=True))

        # Clone list of kids (we null it out as we process)
        c, crange = c[:], list(range(len(c)))
        # Loop over all items we're expecting

        for j, c_elt in [(j, c[j]) for j in crange if c[j]]:

            for i, what in [(i, self.ofwhat[i])
                            for i in range(len(self.ofwhat))]:

                # retrieve typecode if it is hidden
                if callable(what): what = what()

                # Loop over all available kids
                # if debug:
                #     self.logger.debug("what: (%s,%s)", what.nspname, what.pname)

                # Parse value, and mark this one done.
                # if debug:
                #     self.logger.debug("child node: (%s,%s)", c_elt.namespaceURI, c_elt.tagName)
                match = False
                if what.name_match(c_elt):
                    match = True
                    value = what.parse(c_elt, ps)
                elif isinstance(what, AnyElement):
                    match = True
                    value = what.parse(c_elt, ps)
                else:
                    # substitutionGroup head must be a global element declaration
                    # if successful delegate to matching GED
                    subwhat = _get_substitute_element(what, c_elt, ps)
                    if subwhat:
                        match = True
                        value = subwhat.parse(c_elt, ps)

                    if debug:
                        self.logger.debug("substitutionGroup: %s", subwhat)

                if match:
                    if what.maxOccurs > 1:
                        attr = getattr(pyobj, what.aname, None)
                        if attr is not None:
                            attr.append(value)
                        else:
                            setattr(pyobj, what.aname, [value])
                        c[j] = None
                        continue
                    else:
                        setattr(pyobj, what.aname, value)
                    c[j] = None
                    break

                if debug:
                    self.logger.debug("no element (%s,%s)", what.nspname,
                                      what.pname)

                # No match; if it was supposed to be here, that's an error.
                if self.inorder is True and i == j:
                    raise EvaluateException('Out of order complexType',
                                            ps.Backtrace(c_elt))
                else:
                    if hasattr(what, 'default'):
                        setattr(pyobj, what.aname, what.default)
                    # elif what.minOccurs > 0 and not hasattr(pyobj, what.aname):
                    #     raise EvaluateException('Element "' + what.aname + '" missing from complexType', ps.Backtrace(elt))

        if isinstance(pyobj, ComplexType._DictHolder):
            return pyobj.__dict__

        return pyobj