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POEclipse+PyDev+GAE memcache error
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  1. POEclipse+PyDev+GAE memcache error
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    copied!<p>I've started using Eclipe+PyDev as an environment for developing my first app for Google App Engine. Eclipse is configured according to <a href="http://code.google.com/appengine/articles/eclipse.html">this tutorial</a>.</p> <p>Everything was working until I start to use memcache. PyDev reports the errors and I don't know how to fix it:</p> <p><a href="http://www.freeimagehosting.net/uploads/fc176c0957.png">alt text http://www.freeimagehosting.net/uploads/fc176c0957.png</a></p> <p>Error: Undefined variable from import: get</p> <p>How to fix this? Sure, it is only PyDev checker problem. Code is correct and run on GAE.</p> <p>UPDATE:</p> <ol> <li>I'm using PyDev 1.5.0 but experienced the same with 1.4.8.</li> <li>My PYTHONPATH includes (set in Project Properties/PyDev - PYTHONPATH): <ul> <li><code>C:\Program Files\Google\google_appengine</code></li> <li><code>C:\Program Files\Google\google_appengine\lib\django</code></li> <li><code>C:\Program Files\Google\google_appengine\lib\webob</code></li> <li><code>C:\Program Files\Google\google_appengine\lib\yaml\lib</code></li> </ul></li> </ol> <p>UPDATE 2:</p> <p>I took a look at <code>C:\Program Files\Google\google_appengine\google\appengine\api\memcache\__init__.py</code> and found <code>get()</code> is not declared as <code>memcache</code> module function. They use the following trick to do that (I didn't hear about such possibility):</p> <pre><code>_CLIENT = None def setup_client(client_obj): """Sets the Client object instance to use for all module-level methods. Use this method if you want to have customer persistent_id() or persistent_load() functions associated with your client. Args: client_obj: Instance of the memcache.Client object. """ global _CLIENT var_dict = globals() _CLIENT = client_obj var_dict['set_servers'] = _CLIENT.set_servers var_dict['disconnect_all'] = _CLIENT.disconnect_all var_dict['forget_dead_hosts'] = _CLIENT.forget_dead_hosts var_dict['debuglog'] = _CLIENT.debuglog var_dict['get'] = _CLIENT.get var_dict['get_multi'] = _CLIENT.get_multi var_dict['set'] = _CLIENT.set var_dict['set_multi'] = _CLIENT.set_multi var_dict['add'] = _CLIENT.add var_dict['add_multi'] = _CLIENT.add_multi var_dict['replace'] = _CLIENT.replace var_dict['replace_multi'] = _CLIENT.replace_multi var_dict['delete'] = _CLIENT.delete var_dict['delete_multi'] = _CLIENT.delete_multi var_dict['incr'] = _CLIENT.incr var_dict['decr'] = _CLIENT.decr var_dict['flush_all'] = _CLIENT.flush_all var_dict['get_stats'] = _CLIENT.get_stats setup_client(Client()) </code></pre> <p>Hmm... Any idea how to force PyDev to recognize that?</p>
 

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