mirror of
https://github.com/Mikaela/Limnoria.git
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479 lines
16 KiB
Python
479 lines
16 KiB
Python
"""
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################################################################################
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#
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# SOAPpy - Cayce Ullman (cayce@actzero.com)
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# Brian Matthews (blm@actzero.com)
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# Gregory Warnes (gregory_r_warnes@groton.pfizer.com)
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# Christopher Blunck (blunck@gst.com)
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#
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################################################################################
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# Copyright (c) 2003, Pfizer
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# Copyright (c) 2001, Cayce Ullman.
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# Copyright (c) 2001, Brian Matthews.
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# Neither the name of actzero, inc. nor the names of its contributors may
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# be used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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################################################################################
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"""
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ident = '$Id$'
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from version import __version__
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from __future__ import nested_scopes
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#import xml.sax
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import urllib
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from types import *
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import re
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import base64
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# SOAPpy modules
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from Errors import *
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from Config import Config
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from Parser import parseSOAPRPC
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from SOAPBuilder import buildSOAP
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from Utilities import *
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from Types import faultType, simplify
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################################################################################
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# Client
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################################################################################
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def SOAPUserAgent():
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return "SOAPpy " + __version__ + " (pywebsvcs.sf.net)"
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class SOAPAddress:
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def __init__(self, url, config = Config):
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proto, uri = urllib.splittype(url)
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# apply some defaults
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if uri[0:2] != '//':
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if proto != None:
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uri = proto + ':' + uri
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uri = '//' + uri
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proto = 'http'
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host, path = urllib.splithost(uri)
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try:
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int(host)
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host = 'localhost:' + host
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except:
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pass
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if not path:
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path = '/'
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if proto not in ('http', 'https', 'httpg'):
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raise IOError, "unsupported SOAP protocol"
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if proto == 'httpg' and not config.GSIclient:
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raise AttributeError, \
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"GSI client not supported by this Python installation"
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if proto == 'https' and not config.SSLclient:
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raise AttributeError, \
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"SSL client not supported by this Python installation"
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self.user,host = urllib.splituser(host)
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self.proto = proto
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self.host = host
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self.path = path
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def __str__(self):
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return "%(proto)s://%(host)s%(path)s" % self.__dict__
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__repr__ = __str__
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class HTTPTransport:
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def getNS(self, original_namespace, data):
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"""Extract the (possibly extended) namespace from the returned
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SOAP message."""
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if type(original_namespace) == StringType:
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pattern="xmlns:\w+=['\"](" + original_namespace + "[^'\"]*)['\"]"
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match = re.search(pattern, data)
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if match:
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return match.group(1)
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else:
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return original_namespace
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else:
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return original_namespace
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# Need a Timeout someday?
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def call(self, addr, data, namespace, soapaction = None, encoding = None,
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http_proxy = None, config = Config):
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import httplib
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if not isinstance(addr, SOAPAddress):
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addr = SOAPAddress(addr, config)
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# Build a request
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if http_proxy:
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real_addr = http_proxy
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real_path = addr.proto + "://" + addr.host + addr.path
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else:
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real_addr = addr.host
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real_path = addr.path
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if addr.proto == 'httpg':
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from pyGlobus.io import GSIHTTP
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r = GSIHTTP(real_addr, tcpAttr = config.tcpAttr)
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elif addr.proto == 'https':
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r = httplib.HTTPS(real_addr)
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else:
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r = httplib.HTTP(real_addr)
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r.putrequest("POST", real_path)
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r.putheader("Host", addr.host)
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r.putheader("User-agent", SOAPUserAgent())
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t = 'text/xml';
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if encoding != None:
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t += '; charset="%s"' % encoding
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r.putheader("Content-type", t)
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r.putheader("Content-length", str(len(data)))
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# if user is not a user:passwd format
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# we'll receive a failure from the server. . .I guess (??)
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if addr.user != None:
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val = base64.encodestring(addr.user)
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r.putheader('Authorization','Basic ' + val.replace('\012',''))
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# This fixes sending either "" or "None"
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if soapaction == None or len(soapaction) == 0:
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r.putheader("SOAPAction", "")
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else:
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r.putheader("SOAPAction", '"%s"' % soapaction)
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if config.dumpHeadersOut:
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s = 'Outgoing HTTP headers'
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debugHeader(s)
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print "POST %s %s" % (real_path, r._http_vsn_str)
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print "Host:", addr.host
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print "User-agent: SOAPpy " + __version__ + " (http://pywebsvcs.sf.net)"
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print "Content-type:", t
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print "Content-length:", len(data)
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print 'SOAPAction: "%s"' % soapaction
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debugFooter(s)
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r.endheaders()
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if config.dumpSOAPOut:
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s = 'Outgoing SOAP'
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debugHeader(s)
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print data,
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if data[-1] != '\n':
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print
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debugFooter(s)
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# send the payload
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r.send(data)
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# read response line
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code, msg, headers = r.getreply()
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content_type = headers.get("content-type","text/xml")
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content_length = headers.get("Content-length")
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if content_length == None:
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# No Content-Length provided; just read the whole socket
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# This won't work with HTTP/1.1 chunked encoding
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data = r.getfile().read()
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message_len = len(data)
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else:
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message_len = int(content_length)
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data = r.getfile().read(message_len)
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if(config.debug):
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print "code=",code
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print "msg=", msg
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print "headers=", headers
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print "content-type=", content_type
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print "data=", data
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if config.dumpHeadersIn:
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s = 'Incoming HTTP headers'
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debugHeader(s)
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if headers.headers:
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print "HTTP/1.? %d %s" % (code, msg)
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print "\n".join(map (lambda x: x.strip(), headers.headers))
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else:
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print "HTTP/0.9 %d %s" % (code, msg)
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debugFooter(s)
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def startswith(string, val):
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return string[0:len(val)] == val
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if code == 500 and not \
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( startswith(content_type, "text/xml") and message_len > 0 ):
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raise HTTPError(code, msg)
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if config.dumpSOAPIn:
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s = 'Incoming SOAP'
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debugHeader(s)
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print data,
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if (len(data)>0) and (data[-1] != '\n'):
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print
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debugFooter(s)
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if code not in (200, 500):
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raise HTTPError(code, msg)
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# get the new namespace
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if namespace is None:
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new_ns = None
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else:
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new_ns = self.getNS(namespace, data)
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# return response payload
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return data, new_ns
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################################################################################
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# SOAP Proxy
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################################################################################
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class SOAPProxy:
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def __init__(self, proxy, namespace = None, soapaction = None,
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header = None, methodattrs = None, transport = HTTPTransport,
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encoding = 'UTF-8', throw_faults = 1, unwrap_results = None,
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http_proxy=None, config = Config, noroot = 0,
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simplify_objects=None):
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# Test the encoding, raising an exception if it's not known
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if encoding != None:
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''.encode(encoding)
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# get default values for unwrap_results and simplify_objects
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# from config
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if unwrap_results is None:
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self.unwrap_results=config.unwrap_results
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else:
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self.unwrap_results=unwrap_results
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if simplify_objects is None:
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self.simplify_objects=config.simplify_objects
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else:
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self.simplify_objects=simplify_objects
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self.proxy = SOAPAddress(proxy, config)
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self.namespace = namespace
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self.soapaction = soapaction
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self.header = header
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self.methodattrs = methodattrs
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self.transport = transport()
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self.encoding = encoding
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self.throw_faults = throw_faults
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self.http_proxy = http_proxy
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self.config = config
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self.noroot = noroot
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# GSI Additions
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if hasattr(config, "channel_mode") and \
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hasattr(config, "delegation_mode"):
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self.channel_mode = config.channel_mode
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self.delegation_mode = config.delegation_mode
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#end GSI Additions
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def invoke(self, method, args):
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return self.__call(method, args, {})
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def __call(self, name, args, kw, ns = None, sa = None, hd = None,
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ma = None):
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ns = ns or self.namespace
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ma = ma or self.methodattrs
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if sa: # Get soapaction
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if type(sa) == TupleType:
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sa = sa[0]
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else:
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if self.soapaction:
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sa = self.soapaction
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else:
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sa = name
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if hd: # Get header
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if type(hd) == TupleType:
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hd = hd[0]
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else:
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hd = self.header
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hd = hd or self.header
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if ma: # Get methodattrs
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if type(ma) == TupleType: ma = ma[0]
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else:
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ma = self.methodattrs
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ma = ma or self.methodattrs
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m = buildSOAP(args = args, kw = kw, method = name, namespace = ns,
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header = hd, methodattrs = ma, encoding = self.encoding,
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config = self.config, noroot = self.noroot)
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call_retry = 0
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try:
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r, self.namespace = self.transport.call(self.proxy, m, ns, sa,
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encoding = self.encoding,
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http_proxy = self.http_proxy,
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config = self.config)
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except Exception, ex:
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#
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# Call failed.
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#
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# See if we have a fault handling vector installed in our
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# config. If we do, invoke it. If it returns a true value,
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# retry the call.
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#
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# In any circumstance other than the fault handler returning
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# true, reraise the exception. This keeps the semantics of this
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# code the same as without the faultHandler code.
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#
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if hasattr(self.config, "faultHandler"):
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if callable(self.config.faultHandler):
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call_retry = self.config.faultHandler(self.proxy, ex)
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if not call_retry:
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raise
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else:
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raise
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else:
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raise
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if call_retry:
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r, self.namespace = self.transport.call(self.proxy, m, ns, sa,
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encoding = self.encoding,
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http_proxy = self.http_proxy,
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config = self.config)
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p, attrs = parseSOAPRPC(r, attrs = 1)
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try:
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throw_struct = self.throw_faults and \
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isinstance (p, faultType)
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except:
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throw_struct = 0
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if throw_struct:
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#print p
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raise p
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# If unwrap_results=1 and there is only element in the struct,
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# SOAPProxy will assume that this element is the result
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# and return it rather than the struct containing it.
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# Otherwise SOAPproxy will return the struct with all the
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# elements as attributes.
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if self.unwrap_results:
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try:
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count = 0
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for i in p.__dict__.keys():
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if i[0] != "_": # don't count the private stuff
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count += 1
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t = getattr(p, i)
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if count == 1: # Only one piece of data, bubble it up
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p = t
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except:
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pass
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# Automatically simplfy SOAP complex types into the
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# corresponding python types. (structType --> dict,
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# arrayType --> array, etc.)
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if self.simplify_objects:
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p = simplify(p)
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if self.config.returnAllAttrs:
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return p, attrs
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return p
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def _callWithBody(self, body):
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return self.__call(None, body, {})
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def __getattr__(self, name): # hook to catch method calls
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if name == '__del__':
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raise AttributeError, name
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return self.__Method(self.__call, name, config = self.config)
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# To handle attribute wierdness
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class __Method:
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# Some magic to bind a SOAP method to an RPC server.
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# Supports "nested" methods (e.g. examples.getStateName) -- concept
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# borrowed from xmlrpc/soaplib -- www.pythonware.com
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# Altered (improved?) to let you inline namespaces on a per call
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# basis ala SOAP::LITE -- www.soaplite.com
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def __init__(self, call, name, ns = None, sa = None, hd = None,
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ma = None, config = Config):
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self.__call = call
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self.__name = name
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self.__ns = ns
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self.__sa = sa
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self.__hd = hd
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self.__ma = ma
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self.__config = config
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return
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def __call__(self, *args, **kw):
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if self.__name[0] == "_":
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if self.__name in ["__repr__","__str__"]:
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return self.__repr__()
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else:
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return self.__f_call(*args, **kw)
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else:
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return self.__r_call(*args, **kw)
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def __getattr__(self, name):
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if name == '__del__':
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raise AttributeError, name
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if self.__name[0] == "_":
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# Don't nest method if it is a directive
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return self.__class__(self.__call, name, self.__ns,
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self.__sa, self.__hd, self.__ma)
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return self.__class__(self.__call, "%s.%s" % (self.__name, name),
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self.__ns, self.__sa, self.__hd, self.__ma)
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def __f_call(self, *args, **kw):
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if self.__name == "_ns": self.__ns = args
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elif self.__name == "_sa": self.__sa = args
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elif self.__name == "_hd": self.__hd = args
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elif self.__name == "_ma": self.__ma = args
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return self
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def __r_call(self, *args, **kw):
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return self.__call(self.__name, args, kw, self.__ns, self.__sa,
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self.__hd, self.__ma)
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def __repr__(self):
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return "<%s at %d>" % (self.__class__, id(self))
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