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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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# 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__)
class Builder:
""" Builder used to construct an object for types defined in the schema """
def __init__(self, resolver):
"""
@param resolver: A schema object name resolver.
@type resolver: L{resolver.Resolver}
"""
self.resolver = resolver
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)
else:
type = name
cls = type.name
if type.mixed():
data = Factory.property(cls)
else:
data = Factory.object(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):
continue
self.process(data, child, history[:])
return data
def process(self, data, type, history):
""" process the specified type then process its children """
if type in history:
return
if type.enum():
return
history.append(type)
resolved = type.resolve()
value = None
if type.unbounded():
value = []
else:
if len(resolved) > 0:
if resolved.mixed():
value = Factory.property(resolved.name)
md = value.__metadata__
md.sxtype = resolved
else:
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):
continue
self.process(data, child, history[:])
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)
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
def ordering(self, type):
""" get the ordering """
result = []
for child, ancestry in type.resolve():
name = child.name
if child.name is None:
continue
if child.isattr():
name = '_%s' % child.name
result.append(name)
return result
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