mirror of https://github.com/python/cpython
Added docstring by Neal Norwitz. This closes SF bug #450981.
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Fred Drake
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121
Lib/xmlrpclib.py
121
Lib/xmlrpclib.py
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@ -2,17 +2,6 @@
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# XML-RPC CLIENT LIBRARY
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# $Id$
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#
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# an XML-RPC client interface for Python.
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#
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# the marshalling and response parser code can also be used to
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# implement XML-RPC servers.
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#
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# Notes:
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# this version is designed to work with Python 1.5.2 or newer.
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# unicode encoding support requires at least Python 1.6.
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# experimental HTTPS requires Python 2.0 built with SSL sockets.
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# expat parser support requires Python 2.0 with pyexpat support.
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#
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# History:
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# 1999-01-14 fl Created
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# 1999-01-15 fl Changed dateTime to use localtime
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@ -87,6 +76,61 @@
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# TODO: authentication plugins
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# TODO: memo problem (see HP's mail)
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"""
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An XML-RPC client interface for Python.
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The marshalling and response parser code can also be used to
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implement XML-RPC servers.
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Notes:
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This version is designed to work with Python 1.5.2 or newer.
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Unicode encoding support requires at least Python 1.6.
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Experimental HTTPS requires Python 2.0 built with SSL sockets.
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Expat parser support requires Python 2.0 with pyexpat support.
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Exported exceptions:
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Error Base class for client errors
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ProtocolError Indicates an HTTP protocol error
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ResponseError Indicates a broken response package
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Fault Indicates a XML-RPC fault package
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Exported classes:
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Boolean boolean wrapper to generate a "boolean" XML-RPC value
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DateTime dateTime wrapper for an ISO 8601 string or time tuple or
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localtime integer value to generate a "dateTime.iso8601"
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XML-RPC value
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Binary binary data wrapper
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SlowParser Slow but safe standard parser
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Marshaller Generate an XML-RPC params chunk from a Python data structure
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Unmarshaller Unmarshal an XML-RPC response from incoming XML event message
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Transport Handles an HTTP transaction to an XML-RPC server
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SafeTransport Handles an HTTPS transaction to an XML-RPC server
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ServerProxy Connect to a server through a proxy
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Server Same as ServerProxy
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Exported constants:
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True
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False
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Exported functions:
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boolean Convert any Python value to an XML-RPC boolean
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datetime Convert value to an XML-RPC datetime
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binary Convert value to an XML-RPC binary value
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getparser Create instance of the fastest available parser & attach
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to an unmarshalling object
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dumps Convert an argument tuple or a Fault instance to an XML-RPC
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request (or response, if the methodresponse option is used).
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loads Convert an XML-RPC packet to unmarshalled data plus a method
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name (None if not present).
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"""
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import re, string, time, operator
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import urllib, xmllib
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from types import *
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@ -120,11 +164,11 @@ __version__ = "1.0b3"
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# Exceptions
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class Error(Exception):
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# base class for client errors
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"""Base class for client errors."""
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pass
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class ProtocolError(Error):
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# indicates an HTTP protocol error
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"""Indicates an HTTP protocol error."""
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def __init__(self, url, errcode, errmsg, headers):
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self.url = url
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self.errcode = errcode
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@ -137,11 +181,11 @@ class ProtocolError(Error):
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)
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class ResponseError(Error):
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# indicates a broken response package
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"""Indicates a broken response package"""
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pass
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class Fault(Error):
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# indicates a XML-RPC fault package
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"""indicates a XML-RPC fault package"""
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def __init__(self, faultCode, faultString, **extra):
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self.faultCode = faultCode
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self.faultString = faultString
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@ -154,10 +198,12 @@ class Fault(Error):
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# --------------------------------------------------------------------
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# Special values
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# boolean wrapper
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# use True or False to generate a "boolean" XML-RPC value
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class Boolean:
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"""Boolean-value wrapper.
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Use True or False to generate a "boolean" XML-RPC value.
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"""
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def __init__(self, value = 0):
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self.value = operator.truth(value)
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@ -185,7 +231,7 @@ class Boolean:
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True, False = Boolean(1), Boolean(0)
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def boolean(value, truefalse=(False, True)):
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# convert any Python value to XML-RPC boolean
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"""Convert any Python value to XML-RPC boolean."""
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return truefalse[operator.truth(value)]
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#
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@ -194,6 +240,9 @@ def boolean(value, truefalse=(False, True)):
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# in this class to generate a "dateTime.iso8601" XML-RPC value
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class DateTime:
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"""DataTime wrapper for an ISO 8601 string or time tuple or
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localtime integer value to generate a 'dateTime.iso8601' XML-RPC
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value."""
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def __init__(self, value=0):
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if not isinstance(value, StringType):
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@ -225,10 +274,9 @@ def datetime(data):
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value.decode(data)
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return value
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#
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# binary data wrapper
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class Binary:
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"""Wrapper for binary data."""
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def __init__(self, data=None):
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self.data = data
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@ -344,9 +392,11 @@ else:
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del self._target, self._parser # get rid of circular references
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class SlowParser(xmllib.XMLParser):
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# slow but safe standard parser, based on the XML parser in
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# Python's standard library. this is about 10 times slower
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# than sgmlop, on roundtrip testing.
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"""XML parser using xmllib.XMLParser.
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This is about 10 times slower than sgmlop on roundtrip testing.
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"""
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def __init__(self, target):
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self.handle_xml = target.xml
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self.unknown_starttag = target.start
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@ -359,13 +409,14 @@ class SlowParser(xmllib.XMLParser):
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# XML-RPC marshalling and unmarshalling code
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class Marshaller:
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"""Generate an XML-RPC params chunk from a Python data structure"""
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"""Generate an XML-RPC params chunk from a Python data structure.
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# USAGE: create a marshaller instance for each set of parameters,
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# and use "dumps" to convert your data (represented as a tuple) to
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# a XML-RPC params chunk. to write a fault response, pass a Fault
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# instance instead. you may prefer to use the "dumps" convenience
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# function for this purpose (see below).
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Create a marshaller instance for each set of parameters, and use
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"dumps" method to convert your data (represented as a tuple) to a
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XML-RPC params chunk. to write a fault response, pass a Fault
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instance instead. You may prefer to use the "dumps" convenience
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function for this purpose (see below).
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"""
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# by the way, if you don't understand what's going on in here,
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# that's perfectly ok.
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@ -469,13 +520,13 @@ class Marshaller:
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dispatch[InstanceType] = dump_instance
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class Unmarshaller:
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"""Unmarshal an XML-RPC response, based on incoming XML event
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messages (start, data, end). Call close() to get the resulting
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data structure.
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# unmarshal an XML-RPC response, based on incoming XML event
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# messages (start, data, end). call close to get the resulting
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# data structure
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# note that this reader is fairly tolerant, and gladly accepts
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# bogus XML-RPC data without complaining (but not bogus XML).
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Note that this reader is fairly tolerant, and gladly accepts
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bogus XML-RPC data without complaining (but not bogus XML).
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"""
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# and again, if you don't understand what's going on in here,
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# that's perfectly ok.
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