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YZ e d j o@ e d d f Z e i e e i d d e i n d S( s9 Simple XML-RPC Server.
This module can be used to create simple XML-RPC servers
by creating a server and either installing functions, a
class instance, or by extending the SimpleXMLRPCServer
class.
It can also be used to handle XML-RPC requests in a CGI
environment using CGIXMLRPCRequestHandler.
A list of possible usage patterns follows:
1. Install functions:
server = SimpleXMLRPCServer(("localhost", 8000))
server.register_function(pow)
server.register_function(lambda x,y: x+y, 'add')
server.serve_forever()
2. Install an instance:
class MyFuncs:
def __init__(self):
# make all of the string functions available through
# string.func_name
import string
self.string = string
def _listMethods(self):
# implement this method so that system.listMethods
# knows to advertise the strings methods
return list_public_methods(self) + ['string.' + method for method in list_public_methods(self.string)]
def pow(self, x, y): return pow(x, y)
def add(self, x, y) : return x + y
server = SimpleXMLRPCServer(("localhost", 8000))
server.register_introspection_functions()
server.register_instance(MyFuncs())
server.serve_forever()
3. Install an instance with custom dispatch method:
class Math:
def _listMethods(self):
# this method must be present for system.listMethods
# to work
return ['add', 'pow']
def _methodHelp(self, method):
# this method must be present for system.methodHelp
# to work
if method == 'add':
return "add(2,3) => 5"
elif method == 'pow':
return "pow(x, y[, z]) => number"
else:
# By convention, return empty
# string if no help is available
return ""
def _dispatch(self, method, params):
if method == 'pow':
return pow(*params)
elif method == 'add':
return params[0] + params[1]
else:
raise 'bad method'
server = SimpleXMLRPCServer(("localhost", 8000))
server.register_introspection_functions()
server.register_instance(Math())
server.serve_forever()
4. Subclass SimpleXMLRPCServer:
class MathServer(SimpleXMLRPCServer):
def _dispatch(self, method, params):
try:
# We are forcing the 'export_' prefix on methods that are
# callable through XML-RPC to prevent potential security
# problems
func = getattr(self, 'export_' + method)
except AttributeError:
raise Exception('method "%s" is not supported' % method)
else:
return func(*params)
def export_add(self, x, y):
return x + y
server = MathServer(("localhost", 8000))
server.serve_forever()
5. CGI script:
server = CGIXMLRPCRequestHandler()
server.register_function(pow)
server.handle_request()
N( s Faultc C sk | o | i d } n
| g } xA | D]9 } | i d o t d | q* t | | } q* W| S( sG resolve_dotted_attribute(a, 'b.c.d') => a.b.c.d
Resolves a dotted attribute name to an object. Raises
an AttributeError if any attribute in the chain starts with a '_'.
If the optional allow_dotted_names argument is false, dots are not
supported and this function operates similar to getattr(obj, attr).
t .t _s( attempt to access private attribute "%s"N( t allow_dotted_namest attrt splitt attrst it
startswitht AttributeErrort getattrt obj( R
R R R R ( ( t* /usr/lib64/python2.4/SimpleXMLRPCServer.pyt resolve_dotted_attributem s c C sP g } t | D]8 } | i d o! t t | | o | | q q ~ S( sk Returns a list of attribute strings, found in the specified
object, which represent callable attributesR N( t _[1]t dirR
t memberR t callableR ( R
R R
( ( R t list_public_methods s c C s+ h } x | D] } d | | <q
W| i S( s remove_duplicates([2,2,2,1,3,3]) => [3,1,2]
Returns a copy of a list without duplicates. Every list
item must be hashable and the order of the items in the
resulting list is not defined.
i N( t ut lstt xt keys( R R R ( ( R t remove_duplicates s t SimpleXMLRPCDispatcherc B sz t Z d Z d Z e d Z e d Z d Z d Z e d Z
d Z d Z d Z
d
Z d Z RS( s Mix-in class that dispatches XML-RPC requests.
This class is used to register XML-RPC method handlers
and then to dispatch them. There should never be any
reason to instantiate this class directly.
c C s h | _ d | _ d S( N( t selft funcst Nonet instance( R ( ( R t __init__ s c C s | | _ | | _ d S( s Registers an instance to respond to XML-RPC requests.
Only one instance can be installed at a time.
If the registered instance has a _dispatch method then that
method will be called with the name of the XML-RPC method and
its parameters as a tuple
e.g. instance._dispatch('add',(2,3))
If the registered instance does not have a _dispatch method
then the instance will be searched to find a matching method
and, if found, will be called. Methods beginning with an '_'
are considered private and will not be called by
SimpleXMLRPCServer.
If a registered function matches a XML-RPC request, then it
will be called instead of the registered instance.
If the optional allow_dotted_names argument is true and the
instance does not have a _dispatch method, method names
containing dots are supported and resolved, as long as none of
the name segments start with an '_'.
*** SECURITY WARNING: ***
Enabling the allow_dotted_names options allows intruders
to access your module's global variables and may allow
intruders to execute arbitrary code on your machine. Only
use this option on a secure, closed network.
N( R R R ( R R R ( ( R t register_instance s c C s+ | d j o
| i } n | | i | <d S( s Registers a function to respond to XML-RPC requests.
The optional name argument can be used to set a Unicode name
for the function.
N( t nameR t functiont __name__R R ( R R R ( ( R t register_function s
c C s8 | i i h d | i <d | i <d | i < d S( s Registers the XML-RPC introspection methods in the system
namespace.
see http://xmlrpc.usefulinc.com/doc/reserved.html
s system.listMethodss system.methodSignatures system.methodHelpN( R R t updatet system_listMethodst system_methodSignaturet system_methodHelp( R ( ( R t register_introspection_functions s c C s | i i h d | i < d S( s Registers the XML-RPC multicall method in the system
namespace.
see http://www.xmlrpc.com/discuss/msgReader$1208s system.multicallN( R R R" t system_multicall( R ( ( R t register_multicall_functions s c C s t i | \ } } yT | d j o | | | } n | i | | } | f } t i
| d d } WnU t j
o } t i
| } n3 t i
t i d d t
i t
i f } n X| S( s Dispatches an XML-RPC method from marshalled (XML) data.
XML-RPC methods are dispatched from the marshalled (XML) data
using the _dispatch method and the result is returned as
marshalled data. For backwards compatibility, a dispatch
function can be provided as an argument (see comment in
SimpleXMLRPCRequestHandler.do_POST) but overriding the
existing method through subclassing is the prefered means
of changing method dispatch behavior.
t methodresponsei s %s:%sN( t xmlrpclibt loadst datat paramst methodt dispatch_methodR t responseR t _dispatcht dumpst Faultt faultt syst exc_typet exc_value( R R, R/ R4 R0 R- R. ( ( R t _marshaled_dispatch s
/c C s | i i } | i d j od t | i d o t | | i i } q t | i d p t | t | i } q n | i
| S( sw system.listMethods() => ['add', 'subtract', 'multiple']
Returns a list of the methods supported by the server.t _listMethodsR1 N( R R R t methodsR R t hasattrR R9 R t sort( R R: ( ( R R# s !
c C s d S( s# system.methodSignature('add') => [double, int, int]
Returns a list describing the signature of the method. In the
above example, the add method takes two integers as arguments
and returns a double result.
This server does NOT support system.methodSignature.s signatures not supportedN( ( R t method_name( ( R R$ s c C s d } | i i | o | i | } n | i d j ot t | i d o | i i | Sq t | i d p6 y t | i | | i
} Wq t j
o q Xq n | d j o d Sn d k } | i
| Sd S( s system.methodHelp('add') => "Adds two integers together"
Returns a string containing documentation for the specified method.t _methodHelpR1 t N( R R. R R t has_keyR= R R; R> R R R t pydoct getdoc( R R= RA R. ( ( R R% - s$
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W| S( s system.multicall([{'methodName': 'add', 'params': [2, 2]}, ...]) => [[4], ...]
Allows the caller to package multiple XML-RPC calls into a single
request.
See http://www.xmlrpc.com/discuss/msgReader$1208
t
methodNameR- t faultCodet faultStringi s %s:%sN( t resultst call_listt callR= R- t appendR R1 R3 R4 RD RE R5 R6 R7 ( R RG R4 RF R= R- RH ( ( R R' M s
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d | d S( s Dispatches the XML-RPC method.
XML-RPC calls are forwarded to a registered function that
matches the called XML-RPC method name. If no such function
exists then the call is forwarded to the registered instance,
if available.
If the registered instance has a _dispatch method then that
method will be called with the name of the XML-RPC method and
its parameters as a tuple
e.g. instance._dispatch('add',(2,3))
If the registered instance does not have a _dispatch method
then the instance will be searched to find a matching method
and, if found, will be called.
Methods beginning with an '_' are considered private and will
not be called.
R1 s method "%s" is not supportedN( R t funcR R R. t KeyErrorR R; R1 R- R R R t Exception( R R. R- RJ ( ( R R1 l s"
( R t
__module__t __doc__R t FalseR R R! R& R( R8 R# R$ R% R' R1 ( ( ( R R s $ !
t SimpleXMLRPCRequestHandlerc B s& t Z d Z d Z d d d Z RS( s Simple XML-RPC request handler class.
Handles all HTTP POST requests and attempts to decode them as
XML-RPC requests.
c C s yD | i i t | i d } | i i | t | d d } Wn | i d | i nq X| i d | i
d d | i
d t t | | i | i i | | i i | i i d d S(
s Handles the HTTP POST request.
Attempts to interpret all HTTP POST requests as XML-RPC calls,
which are forwarded to the server's _dispatch method for handling.
s content-lengthR1 i i s Content-types text/xmls Content-lengthi N( R t rfilet readt intt headersR, t serverR8 R R R0 t
send_responset end_headerst send_headert strt lent wfilet writet flusht
connectiont shutdown( R R, R0 ( ( R t do_POST s %
t -c C s+ | i i o t i i | | | n d S( s$ Selectively log an accepted request.N( R RU t logRequestst BaseHTTPServert BaseHTTPRequestHandlert log_requestt codet size( R Rf Rg ( ( R Re s
( R RM RN R` Re ( ( ( R RP s "t SimpleXMLRPCServerc B s t Z d Z e d d Z RS( sg Simple XML-RPC server.
Simple XML-RPC server that allows functions and a single instance
to be installed to handle requests. The default implementation
attempts to dispatch XML-RPC calls to the functions or instance
installed in the server. Override the _dispatch method inhereted
from SimpleXMLRPCDispatcher to change this behavior.
i c C s0 | | _ t i | t i i | | | d S( N( Rb R R R t SocketServert TCPServert addrt requestHandler( R Rk Rl Rb ( ( R R s
( R RM RN RP R ( ( ( R Rh s t CGIXMLRPCRequestHandlerc B s5 t Z d Z d Z d Z d Z e d Z RS( s3 Simple handler for XML-RPC data passed through CGI.c C s t i | d S( N( R R R ( R ( ( R R s c C s8 | i | } d GHd t | GHHt i i | d S( s Handle a single XML-RPC requests Content-Type: text/xmls Content-Length: %dN( R R8 t request_textR0 RZ R5 t stdoutR\ ( R Rn R0 ( ( R t
handle_xmlrpc s c C s| d } t i i | \ } } t i h d | <d | <d | <} d | | f GHd GHd t | GHHt i
i | d S( s Handle a single HTTP GET request.
Default implementation indicates an error because
XML-RPC uses the POST method.
i Rf t messaget explains
Status: %d %ss Content-Type: text/htmls Content-Length: %dN( Rf Rc Rd t responsesRq Rr t DEFAULT_ERROR_MESSAGER0 RZ R5 Ro R\ ( R Rf Rr R0 Rq ( ( R t
handle_get s (c C sh | d j o* t i i d d d j o | i n. | d j o t i i } n | i
| d S( s Handle a single XML-RPC request passed through a CGI post method.
If no XML data is given then it is read from stdin. The resulting
XML-RPC response is printed to stdout along with the correct HTTP
headers.
t REQUEST_METHODt GETN( Rn R t ost environt getR Ru R5 t stdinRR Rp ( R Rn ( ( R t handle_request s )
( R RM RN R Rp Ru R R| ( ( ( R Rm s
t __main__t localhosti@ c C s | | S( N( R t y( R R ( ( R t <lambda> s t add( RN R* R3 Ri Rc R5 Rx t TrueR R R R Rd RP Rj Rh Rm R RU R! t powt
serve_forever( R Ri RP R3 R* Rh Rm R5 R R Rc R RU Rx ( ( R t ?a s&
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