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| 55 | <H2><A NAME="SECTION00132270000000000000000"> | |
| 56 | 11.22.7 MultiCall Objects</A> | |
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| 58 | ||
| 59 | <P> | |
| 60 | ||
| 61 | <span class="versionnote">New in version 2.4.</span> | |
| 62 | ||
| 63 | <P> | |
| 64 | In <a class="url" href="http://www.xmlrpc.com/discuss/msgReader%241208">http://www.xmlrpc.com/discuss/msgReader%241208</a>, an approach | |
| 65 | is presented to encapsulate multiple calls to a remote server into a | |
| 66 | single request. | |
| 67 | ||
| 68 | <P> | |
| 69 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 70 | <td><nobr><b><span class="typelabel">class</span> <tt id='l2h-3714' xml:id='l2h-3714' class="class">MultiCall</tt></b>(</nobr></td> | |
| 71 | <td><var>server</var>)</td></tr></table></dt> | |
| 72 | <dd> | |
| 73 | ||
| 74 | <P> | |
| 75 | Create an object used to boxcar method calls. <var>server</var> is the | |
| 76 | eventual target of the call. Calls can be made to the result object, | |
| 77 | but they will immediately return <var>None</var>, and only store the | |
| 78 | call name and parameters in the <tt class="class">MultiCall</tt> object. Calling | |
| 79 | the object itself causes all stored calls to be transmitted as | |
| 80 | a single <code>system.multicall</code> request. The result of this call | |
| 81 | is a generator; iterating over this generator yields the individual | |
| 82 | results. | |
| 83 | ||
| 84 | <P> | |
| 85 | </dl> | |
| 86 | ||
| 87 | <P> | |
| 88 | A usage example of this class is | |
| 89 | ||
| 90 | <P> | |
| 91 | <div class="verbatim"><pre> | |
| 92 | multicall = MultiCall(server_proxy) | |
| 93 | multicall.add(2,3) | |
| 94 | multicall.get_address("Guido") | |
| 95 | add_result, address = multicall() | |
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