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121 lines
4.1 KiB
121 lines
4.1 KiB
# This program is free software; you can redistribute it and/or modify
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# it under the terms of the (LGPL) GNU Lesser General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Library Lesser General Public License for more details at
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# ( http://www.gnu.org/licenses/lgpl.html ).
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# written by: Jeff Ortel ( jortel@redhat.com )
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"""
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The I{builder} module provides an wsdl/xsd defined types factory
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"""
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from logging import getLogger
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from suds import *
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from suds.sudsobject import Factory
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log = getLogger(__name__)
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class Builder:
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""" Builder used to construct an object for types defined in the schema """
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def __init__(self, resolver):
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"""
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@param resolver: A schema object name resolver.
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@type resolver: L{resolver.Resolver}
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"""
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self.resolver = resolver
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def build(self, name):
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""" build a an object for the specified typename as defined in the schema """
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if isinstance(name, basestring):
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type = self.resolver.find(name)
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if type is None:
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raise TypeNotFound(name)
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else:
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type = name
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cls = type.name
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if type.mixed():
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data = Factory.property(cls)
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else:
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data = Factory.object(cls)
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resolved = type.resolve()
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md = data.__metadata__
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md.sxtype = resolved
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md.ordering = self.ordering(resolved)
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history = []
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self.add_attributes(data, resolved)
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for child, ancestry in type.children():
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if self.skip_child(child, ancestry):
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continue
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self.process(data, child, history[:])
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return data
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def process(self, data, type, history):
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""" process the specified type then process its children """
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if type in history:
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return
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if type.enum():
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return
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history.append(type)
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resolved = type.resolve()
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value = None
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if type.unbounded():
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value = []
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else:
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if len(resolved) > 0:
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if resolved.mixed():
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value = Factory.property(resolved.name)
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md = value.__metadata__
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md.sxtype = resolved
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else:
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value = Factory.object(resolved.name)
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md = value.__metadata__
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md.sxtype = resolved
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md.ordering = self.ordering(resolved)
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setattr(data, type.name, value)
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if value is not None:
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data = value
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if not isinstance(data, list):
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self.add_attributes(data, resolved)
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for child, ancestry in resolved.children():
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if self.skip_child(child, ancestry):
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continue
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self.process(data, child, history[:])
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def add_attributes(self, data, type):
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""" add required attributes """
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for attr, ancestry in type.attributes():
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name = '_%s' % attr.name
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value = attr.get_default()
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setattr(data, name, value)
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def skip_child(self, child, ancestry):
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""" get whether or not to skip the specified child """
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if child.any(): return True
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for x in ancestry:
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if x.choice():
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return True
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return False
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def ordering(self, type):
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""" get the ordering """
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result = []
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for child, ancestry in type.resolve():
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name = child.name
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if child.name is None:
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continue
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if child.isattr():
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name = '_%s' % child.name
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result.append(name)
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return result
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