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"""XML-RPC tool helpers."""
import sys
from xmlrpc.client import (
loads as xmlrpc_loads, dumps as xmlrpc_dumps,
Fault as XMLRPCFault
)
import cherrypy
from cherrypy._cpcompat import ntob
def process_body():
"""Return (params, method) from request body."""
try:
return xmlrpc_loads(cherrypy.request.body.read())
except Exception:
return ('ERROR PARAMS', ), 'ERRORMETHOD'
def patched_path(path):
"""Return 'path', doctored for RPC."""
if not path.endswith('/'):
path += '/'
if path.startswith('/RPC2/'):
# strip the first /rpc2
path = path[5:]
return path
def _set_response(body):
"""Set up HTTP status, headers and body within CherryPy."""
# The XML-RPC spec (http://www.xmlrpc.com/spec) says:
# "Unless there's a lower-level error, always return 200 OK."
# Since Python's xmlrpc_client interprets a non-200 response
# as a "Protocol Error", we'll just return 200 every time.
response = cherrypy.response
response.status = '200 OK'
response.body = ntob(body, 'utf-8')
response.headers['Content-Type'] = 'text/xml'
response.headers['Content-Length'] = len(body)
def respond(body, encoding='utf-8', allow_none=0):
"""Construct HTTP response body."""
if not isinstance(body, XMLRPCFault):
body = (body,)
_set_response(
xmlrpc_dumps(
body, methodresponse=1,
encoding=encoding,
allow_none=allow_none
)
)
def on_error(*args, **kwargs):
"""Construct HTTP response body for an error response."""
body = str(sys.exc_info()[1])
_set_response(xmlrpc_dumps(XMLRPCFault(1, body)))
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