/usr/lib/python3/dist-packages/suds/plugin.py is in python3-suds 0.7~git20150727.94664dd-3.
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# 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 plugin module provides suds plugin implementation classes.
"""
from suds import *
from logging import getLogger
import collections
log = getLogger(__name__)
class Context(object):
"""Plugin context."""
pass
class InitContext(Context):
"""
Init Context.
@ivar wsdl: The WSDL.
@type wsdl: L{wsdl.Definitions}
"""
pass
class DocumentContext(Context):
"""
The XML document load context.
@ivar url: The URL.
@type url: str
@ivar document: Either the XML text or the B{parsed} document root.
@type document: (str|L{sax.element.Element})
"""
pass
class MessageContext(Context):
"""
The context for sending the SOAP envelope.
@ivar envelope: The SOAP envelope to be sent.
@type envelope: (str|L{sax.element.Element})
@ivar reply: The reply.
@type reply: (str|L{sax.element.Element}|object)
"""
pass
class Plugin:
"""Plugin base."""
pass
class InitPlugin(Plugin):
"""Base class for all suds I{init} plugins."""
def initialized(self, context):
"""
Suds client initialization.
Called after WSDL the has been loaded. Provides the plugin with the
opportunity to inspect/modify the WSDL.
@param context: The init context.
@type context: L{InitContext}
"""
pass
class DocumentPlugin(Plugin):
"""Base class for suds I{document} plugins."""
def loaded(self, context):
"""
Suds has loaded a WSDL/XSD document.
Provides the plugin with an opportunity to inspect/modify the unparsed
document. Called after each WSDL/XSD document is loaded.
@param context: The document context.
@type context: L{DocumentContext}
"""
pass
def parsed(self, context):
"""
Suds has parsed a WSDL/XSD document.
Provides the plugin with an opportunity to inspect/modify the parsed
document. Called after each WSDL/XSD document is parsed.
@param context: The document context.
@type context: L{DocumentContext}
"""
pass
class MessagePlugin(Plugin):
"""Base class for suds I{SOAP message} plugins."""
def marshalled(self, context):
"""
Suds is about to send the specified SOAP envelope.
Provides the plugin with the opportunity to inspect/modify the envelope
Document before it is sent.
@param context: The send context.
The I{envelope} is the envelope document.
@type context: L{MessageContext}
"""
pass
def sending(self, context):
"""
Suds is about to send the specified SOAP envelope.
Provides the plugin with the opportunity to inspect/modify the message
text before it is sent.
@param context: The send context.
The I{envelope} is the envelope text.
@type context: L{MessageContext}
"""
pass
def received(self, context):
"""
Suds has received the specified reply.
Provides the plugin with the opportunity to inspect/modify the received
XML text before it is SAX parsed.
@param context: The reply context.
The I{reply} is the raw text.
@type context: L{MessageContext}
"""
pass
def parsed(self, context):
"""
Suds has SAX parsed the received reply.
Provides the plugin with the opportunity to inspect/modify the SAX
parsed DOM tree for the reply before it is unmarshalled.
@param context: The reply context.
The I{reply} is DOM tree.
@type context: L{MessageContext}
"""
pass
def unmarshalled(self, context):
"""
Suds has unmarshalled the received reply.
Provides the plugin with the opportunity to inspect/modify the
unmarshalled reply object before it is returned.
@param context: The reply context.
The I{reply} is unmarshalled suds object.
@type context: L{MessageContext}
"""
pass
class PluginContainer:
"""
Plugin container provides easy method invocation.
@ivar plugins: A list of plugin objects.
@type plugins: [L{Plugin},]
@cvar ctxclass: A dict of plugin method / context classes.
@type ctxclass: dict
"""
domains = {
'init': (InitContext, InitPlugin),
'document': (DocumentContext, DocumentPlugin),
'message': (MessageContext, MessagePlugin)}
def __init__(self, plugins):
"""
@param plugins: A list of plugin objects.
@type plugins: [L{Plugin},]
"""
self.plugins = plugins
def __getattr__(self, name):
domain = self.domains.get(name)
if not domain:
raise Exception('plugin domain (%s), invalid' % (name,))
ctx, pclass = domain
plugins = [p for p in self.plugins if isinstance(p, pclass)]
return PluginDomain(ctx, plugins)
class PluginDomain:
"""
The plugin domain.
@ivar ctx: A context.
@type ctx: L{Context}
@ivar plugins: A list of plugins (targets).
@type plugins: list
"""
def __init__(self, ctx, plugins):
self.ctx = ctx
self.plugins = plugins
def __getattr__(self, name):
return Method(name, self)
class Method:
"""
Plugin method.
@ivar name: The method name.
@type name: str
@ivar domain: The plugin domain.
@type domain: L{PluginDomain}
"""
def __init__(self, name, domain):
"""
@param name: The method name.
@type name: str
@param domain: A plugin domain.
@type domain: L{PluginDomain}
"""
self.name = name
self.domain = domain
def __call__(self, **kwargs):
ctx = self.domain.ctx()
ctx.__dict__.update(kwargs)
for plugin in self.domain.plugins:
method = getattr(plugin, self.name, None)
if method and isinstance(method, collections.Callable):
method(ctx)
return ctx
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