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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 )
"""
Provides soap encoded unmarshaller classes.
"""
from logging import getLogger
from suds import *
from suds.umx import *
from suds.umx.typed import Typed
from suds.sax import splitPrefix, Namespace
log = getLogger(__name__)
#
# Add encoded extensions
# aty = The soap (section 5) encoded array type.
#
Content.extensions.append('aty')
class Encoded(Typed):
"""
A SOAP section (5) encoding unmarshaller.
This marshaller supports rpc/encoded soap styles.
"""
def start(self, content):
#
# Grab the array type and continue
#
self.setaty(content)
Typed.start(self, content)
def end(self, content):
#
# Squash soap encoded arrays into python lists. This is
# also where we insure that empty arrays are represented
# as empty python lists.
#
aty = content.aty
if aty is not None:
self.promote(content)
return Typed.end(self, content)
def postprocess(self, content):
#
# Ensure proper rendering of empty arrays.
#
if content.aty is None:
return Typed.postprocess(self, content)
else:
return content.data
def setaty(self, content):
"""
Grab the (aty) soap-enc:arrayType and attach it to the
content for proper array processing later in end().
@param content: The current content being unmarshalled.
@type content: L{Content}
@return: self
@rtype: L{Encoded}
"""
name = 'arrayType'
ns = (None, 'http://schemas.xmlsoap.org/soap/encoding/')
aty = content.node.get(name, ns)
if aty is not None:
content.aty = aty
parts = aty.split('[')
ref = parts[0]
if len(parts) == 2:
self.applyaty(content, ref)
else:
pass # (2) dimensional array
return self
def applyaty(self, content, xty):
"""
Apply the type referenced in the I{arrayType} to the content
(child nodes) of the array. Each element (node) in the array
that does not have an explicit xsi:type attribute is given one
based on the I{arrayType}.
@param content: An array content.
@type content: L{Content}
@param xty: The XSI type reference.
@type xty: str
@return: self
@rtype: L{Encoded}
"""
name = 'type'
ns = Namespace.xsins
parent = content.node
for child in parent.getChildren():
ref = child.get(name, ns)
if ref is None:
parent.addPrefix(ns[0], ns[1])
attr = ':'.join((ns[0], name))
child.set(attr, xty)
return self
def promote(self, content):
"""
Promote (replace) the content.data with the first attribute
of the current content.data that is a I{list}. Note: the
content.data may be empty or contain only _x attributes.
In either case, the content.data is assigned an empty list.
@param content: An array content.
@type content: L{Content}
"""
for n,v in content.data:
if isinstance(v, list):
content.data = v
return
content.data = []
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