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# This program is free software; you can redistribute it and/or modify
# it under the terms of the (LGPL) GNU Lesser General Public License as
# published by the Free Software Foundation; either version 3 of the 
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU Library Lesser General Public License for more details at
# ( http://www.gnu.org/licenses/lgpl.html ).
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# written by: Jeff Ortel ( jortel@redhat.com )

The I{builder} module provides an wsdl/xsd defined types factory

from logging import getLogger
from suds import *
from suds.sudsobject import Factory

log = getLogger(__name__)

00028 class Builder:
    """ Builder used to construct an object for types defined in the schema """
00031     def __init__(self, resolver):
        @param resolver: A schema object name resolver.
        @type resolver: L{resolver.Resolver}
        self.resolver = resolver
00038     def build(self, name):
        """ build a an object for the specified typename as defined in the schema """
        if isinstance(name, basestring):
            type = self.resolver.find(name)
            if type is None:
                raise TypeNotFound(name)
            type = name
        cls = type.name
        if len(type):
            data = Factory.object(cls)
            data = Factory.property(cls)
        resolved = type.resolve()
        md = data.__metadata__
        md.sxtype = resolved
        md.ordering = self.ordering(resolved)
        history = []
        self.add_attributes(data, resolved)
        for child, ancestry in type.children():
            if self.skip_child(child, ancestry):
            self.process(data, child, history[:])
        return data
00063     def process(self, data, type, history):
        """ process the specified type then process its children """
        if type in history:
        if type.enum():
        resolved = type.resolve()
        value = None
        if type.unbounded():
            value = []
            if len(resolved) > 0:
                value = Factory.object(resolved.name)
                md = value.__metadata__
                md.sxtype = resolved
                md.ordering = self.ordering(resolved)
        setattr(data, type.name, value)
        if value is not None:
            data = value
        if not isinstance(data, list):
            self.add_attributes(data, resolved)
            for child, ancestry in resolved.children():
                if self.skip_child(child, ancestry):
                self.process(data, child, history[:])

00090     def add_attributes(self, data, type):
        """ add required attributes """
        for attr, ancestry in type.attributes():
            name = '_%s' % attr.name
            value = attr.get_default()
            setattr(data, name, value)
00097     def skip_child(self, child, ancestry):
        """ get whether or not to skip the specified child """
        if child.any(): return True
        for x in ancestry:
            if x.choice():
                return True
        return False
00105     def ordering(self, type):
        """ get the ordering """
        result = []
        for child, ancestry in type.resolve():
            name = child.name
            if child.name is None:
            if child.isattr():
                name = '_%s' % child.name
        return result

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