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