/usr/lib/python3/dist-packages/suds/servicedefinition.py is in python3-suds 0.7~git20150727.94664dd-3.
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# 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{service definition} provides a textual representation of a service.
"""
from suds import *
import suds.metrics as metrics
from suds.sax import Namespace
from logging import getLogger
log = getLogger(__name__)
class ServiceDefinition(UnicodeMixin):
"""
A service definition provides an object used to generate a textual description
of a service.
@ivar wsdl: A wsdl.
@type wsdl: L{wsdl.Definitions}
@ivar service: The service object.
@type service: L{suds.wsdl.Service}
@ivar ports: A list of port-tuple: (port, [(method-name, pdef)])
@type ports: [port-tuple,..]
@ivar prefixes: A list of remapped prefixes.
@type prefixes: [(prefix,uri),..]
@ivar types: A list of type definitions
@type types: [I{Type},..]
"""
def __init__(self, wsdl, service):
"""
@param wsdl: A WSDL object
@type wsdl: L{Definitions}
@param service: A service B{name}.
@type service: str
"""
self.wsdl = wsdl
self.service = service
self.ports = []
self.params = []
self.types = []
self.prefixes = []
self.addports()
self.paramtypes()
self.publictypes()
self.getprefixes()
self.pushprefixes()
def pushprefixes(self):
"""
Add our prefixes to the WSDL so that when users invoke methods
and reference the prefixes, they will resolve properly.
"""
for ns in self.prefixes:
self.wsdl.root.addPrefix(ns[0], ns[1])
def addports(self):
"""
Look through the list of service ports and construct a list of tuples
where each tuple is used to describe a port and its list of methods as:
(port, [method]). Each method is a tuple: (name, [pdef,..]) where each
pdef is a tuple: (param-name, type).
"""
timer = metrics.Timer()
timer.start()
for port in self.service.ports:
p = self.findport(port)
for op in list(port.binding.operations.values()):
m = p[0].method(op.name)
binding = m.binding.input
method = (m.name, binding.param_defs(m))
p[1].append(method)
metrics.log.debug("method '%s' created: %s", m.name, timer)
p[1].sort()
timer.stop()
def findport(self, port):
"""
Find and return a port tuple for the specified port.
Created and added when not found.
@param port: A port.
@type port: I{service.Port}
@return: A port tuple.
@rtype: (port, [method])
"""
for p in self.ports:
if p[0] == p: return p
p = (port, [])
self.ports.append(p)
return p
def getprefixes(self):
"""Add prefixes for each namespace referenced by parameter types."""
namespaces = []
for l in (self.params, self.types):
for t,r in l:
ns = r.namespace()
if ns[1] is None: continue
if ns[1] in namespaces: continue
if Namespace.xs(ns) or Namespace.xsd(ns):
continue
namespaces.append(ns[1])
if t == r: continue
ns = t.namespace()
if ns[1] is None: continue
if ns[1] in namespaces: continue
namespaces.append(ns[1])
i = 0
namespaces.sort()
for u in namespaces:
p = self.nextprefix()
ns = (p, u)
self.prefixes.append(ns)
def paramtypes(self):
"""Get all parameter types."""
for m in [p[1] for p in self.ports]:
for p in [p[1] for p in m]:
for pd in p:
if pd[1] in self.params: continue
item = (pd[1], pd[1].resolve())
self.params.append(item)
def publictypes(self):
"""Get all public types."""
for t in list(self.wsdl.schema.types.values()):
if t in self.params: continue
if t in self.types: continue
item = (t, t)
self.types.append(item)
self.types.sort(key=lambda x: x[0].name)
def nextprefix(self):
"""
Get the next available prefix. This means a prefix starting with 'ns' with
a number appended as (ns0, ns1, ..) that is not already defined in the
WSDL document.
"""
used = [ns[0] for ns in self.prefixes]
used += [ns[0] for ns in list(self.wsdl.root.nsprefixes.items())]
for n in range(0,1024):
p = 'ns%d'%n
if p not in used:
return p
raise Exception('prefixes exhausted')
def getprefix(self, u):
"""
Get the prefix for the specified namespace (URI)
@param u: A namespace URI.
@type u: str
@return: The namspace.
@rtype: (prefix, uri).
"""
for ns in Namespace.all:
if u == ns[1]: return ns[0]
for ns in self.prefixes:
if u == ns[1]: return ns[0]
raise Exception('ns (%s) not mapped' % u)
def xlate(self, type):
"""
Get a (namespace) translated I{qualified} name for specified type.
@param type: A schema type.
@type type: I{suds.xsd.sxbasic.SchemaObject}
@return: A translated I{qualified} name.
@rtype: str
"""
resolved = type.resolve()
name = resolved.name
if type.multi_occurrence():
name += '[]'
ns = resolved.namespace()
if ns[1] == self.wsdl.tns[1]:
return name
prefix = self.getprefix(ns[1])
return ':'.join((prefix, name))
def description(self):
"""
Get a textual description of the service for which this object represents.
@return: A textual description.
@rtype: str
"""
s = []
indent = (lambda n : '\n%*s'%(n*3,' '))
s.append('Service ( %s ) tns="%s"' % (self.service.name, self.wsdl.tns[1]))
s.append(indent(1))
s.append('Prefixes (%d)' % len(self.prefixes))
for p in self.prefixes:
s.append(indent(2))
s.append('%s = "%s"' % p)
s.append(indent(1))
s.append('Ports (%d):' % len(self.ports))
for p in self.ports:
s.append(indent(2))
s.append('(%s)' % p[0].name)
s.append(indent(3))
s.append('Methods (%d):' % len(p[1]))
for m in p[1]:
sig = []
s.append(indent(4))
sig.append(m[0])
sig.append('(')
sig.append(', '.join("%s %s" % (self.xlate(p[1]), p[0]) for p
in m[1]))
sig.append(')')
try:
s.append(''.join(sig))
except Exception:
pass
s.append(indent(3))
s.append('Types (%d):' % len(self.types))
for t in self.types:
s.append(indent(4))
s.append(self.xlate(t[0]))
s.append('\n\n')
return ''.join(s)
def __unicode__(self):
try:
return self.description()
except Exception as e:
log.exception(e)
return tostr(e)
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