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Package flumotion ::
<a href="flumotion.worker-module.html">Package worker</a> ::
<a href="flumotion.worker.worker-module.html">Module worker</a> ::
Class WorkerBrain
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class WorkerBrain</h1><p class="nomargin-top"><span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain">source code</a></span></p>
<pre class="base-tree">
<a href="flumotion.extern.log.log.Loggable-class.html">extern.log.log.Loggable</a> --+
|
<strong class="uidshort">WorkerBrain</strong>
</pre>
<hr />
<p>I am the main object in the worker process, managing jobs and
everything related. I live in the main worker process.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="flumotion.worker.worker.WorkerBrain-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">options</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.__init__">source code</a></span>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a name="_installHUPHandler"></a><span class="summary-sig-name">_installHUPHandler</span>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain._installHUPHandler">source code</a></span>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="flumotion.worker.worker.WorkerBrain-class.html#listen" class="summary-sig-name">listen</a>(<span class="summary-sig-arg">self</span>)</span><br />
Start listening on FeedServer (incoming eater requests) and JobServer
(through which we communicate with our children) ports</td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.listen">source code</a></span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="flumotion.worker.worker.WorkerBrain-class.html#_makeFeedServer" class="summary-sig-name" onclick="show_private();">_makeFeedServer</a>(<span class="summary-sig-arg">self</span>)</span><br />
Returns:
<a href="flumotion.worker.feedserver.FeedServer-class.html"
class="link">flumotion.worker.feedserver.FeedServer</a></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain._makeFeedServer">source code</a></span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="login"></a><span class="summary-sig-name">login</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">managerConnectionInfo</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.login">source code</a></span>
</td>
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</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
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<td><span class="summary-sig"><a name="callRemote"></a><span class="summary-sig-name">callRemote</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">methodName</span>,
<span class="summary-sig-arg">*args</span>,
<span class="summary-sig-arg">**kwargs</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.callRemote">source code</a></span>
</td>
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</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a name="shutdownHandler"></a><span class="summary-sig-name">shutdownHandler</span>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.shutdownHandler">source code</a></span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="flumotion.worker.worker.WorkerBrain-class.html#feedToFD" class="summary-sig-name">feedToFD</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">componentId</span>,
<span class="summary-sig-arg">feedName</span>,
<span class="summary-sig-arg">fd</span>,
<span class="summary-sig-arg">eaterId</span>)</span><br />
Called from the FeedAvatar to pass a file descriptor on to the job
running the component for this feeder.</td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.feedToFD">source code</a></span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
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<td><span class="summary-sig"><a href="flumotion.worker.worker.WorkerBrain-class.html#eatFromFD" class="summary-sig-name">eatFromFD</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">componentId</span>,
<span class="summary-sig-arg">eaterAlias</span>,
<span class="summary-sig-arg">fd</span>,
<span class="summary-sig-arg">feedId</span>)</span><br />
Called from the FeedAvatar to pass a file descriptor on to the job
running the given component.</td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.eatFromFD">source code</a></span>
</td>
</tr>
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</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a name="getPorts"></a><span class="summary-sig-name">getPorts</span>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.getPorts">source code</a></span>
</td>
</tr>
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</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="getFeedServerPort"></a><span class="summary-sig-name">getFeedServerPort</span>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.getFeedServerPort">source code</a></span>
</td>
</tr>
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</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="create"></a><span class="summary-sig-name">create</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">avatarId</span>,
<span class="summary-sig-arg">type</span>,
<span class="summary-sig-arg">moduleName</span>,
<span class="summary-sig-arg">methodName</span>,
<span class="summary-sig-arg">nice</span>,
<span class="summary-sig-arg">conf</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.create">source code</a></span>
</td>
</tr>
</table>
</td>
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<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="runCheck"></a><span class="summary-sig-name">runCheck</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">module</span>,
<span class="summary-sig-arg">function</span>,
<span class="summary-sig-arg">*args</span>,
<span class="summary-sig-arg">**kwargs</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.runCheck">source code</a></span>
</td>
</tr>
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</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="getComponents"></a><span class="summary-sig-name">getComponents</span>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.getComponents">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="killJob"></a><span class="summary-sig-name">killJob</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">avatarId</span>,
<span class="summary-sig-arg">signum</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.killJob">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="flumotion.worker.worker.WorkerBrain-class.html#__provides__" class="summary-sig-name">__provides__</a>(<span class="summary-sig-arg">...</span>)</span><br />
Special descriptor for class __provides__</td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="flumotion.extern.log.log.Loggable-class.html">extern.log.log.Loggable</a></code></b>:
<code><a href="flumotion.extern.log.log.Loggable-class.html#__providedBy__">__providedBy__</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#debug">debug</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#doLog">doLog</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#error">error</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#info">info</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#log">log</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#logFunction">logFunction</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#logObjectName">logObjectName</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#warning">warning</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#warningFailure">warningFailure</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#writeMarker">writeMarker</a></code>
</p>
</td>
</tr>
</table>
<!-- ==================== CLASS VARIABLES ==================== -->
<a name="section-ClassVariables"></a>
<table class="summary" border="1" cellpadding="3"
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<tr bgcolor="#70b0f0" class="table-header">
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<span class="summary-type"> </span>
</td><td class="summary">
<a name="logCategory"></a><span class="summary-name">logCategory</span> = <code title="'workerbrain'"><code class="variable-quote">'</code><code class="variable-string">workerbrain</code><code class="variable-quote">'</code></code><br />
Implementors can provide a category to log their messages under.
</td>
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<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<a href="flumotion.worker.worker.WorkerBrain-class.html#__implemented__" class="summary-name">__implemented__</a> = <code title="<implementedBy flumotion.worker.worker.WorkerBrain>"><implementedBy flumotion.worker.worker.Worke<code class="variable-ellipsis">...</code></code>
</td>
</tr>
</table>
<!-- ==================== INSTANCE VARIABLES ==================== -->
<a name="section-InstanceVariables"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td colspan="2" class="table-header">
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<td align="left"><span class="table-header">Instance Variables</span></td>
<td align="right" valign="top"
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class="privatelink" onclick="toggle_private();"
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<a name="authenticator"></a><span class="summary-name">authenticator</span><br />
authenticator worker used to log in to manager @type authenticator
<a href="flumotion.twisted.pb.Authenticator-class.html"
class="link">flumotion.twisted.pb.Authenticator</a>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="flumotion.worker.job.CheckJobHeaven-class.html"
class="link">job.CheckJobHeaven</a></span>
</td><td class="summary">
<a name="checkHeaven"></a><span class="summary-name">checkHeaven</span>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">int</span>
</td><td class="summary">
<a name="feedServerPort"></a><span class="summary-name">feedServerPort</span><br />
TCP port the Feed Server is listening on
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="flumotion.worker.job.ComponentJobHeaven-class.html"
class="link">job.ComponentJobHeaven</a></span>
</td><td class="summary">
<a name="jobHeaven"></a><span class="summary-name">jobHeaven</span>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="flumotion.worker.medium.WorkerMedium-class.html"
class="link">medium.WorkerMedium</a></span>
</td><td class="summary">
<a name="medium"></a><span class="summary-name">medium</span>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="flumotion.worker.medium.WorkerClientFactory-class.html"
class="link">medium.WorkerClientFactory</a></span>
</td><td class="summary">
<a name="workerClientFactory"></a><span class="summary-name">workerClientFactory</span>
</td>
</tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
<a name="section-MethodDetails"></a>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
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<td align="left"><span class="table-header">Method Details</span></td>
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><span class="options">[<a href="#section-MethodDetails"
class="privatelink" onclick="toggle_private();"
>hide private</a>]</span></td>
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<a name="__init__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">options</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.__init__">source code</a></span>
</td>
</tr></table>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>options</code></strong> (an object with attributes) - the optparsed dictionary of command-line options</li>
</ul></dd>
</dl>
</td></tr></table>
</div>
<a name="listen"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">listen</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.listen">source code</a></span>
</td>
</tr></table>
<p>Start listening on FeedServer (incoming eater requests) and JobServer
(through which we communicate with our children) ports</p>
<dl class="fields">
<dt>Returns:</dt>
<dd>True if we successfully listened on both ports</dd>
</dl>
</td></tr></table>
</div>
<a name="_makeFeedServer"></a>
<div class="private">
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">_makeFeedServer</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain._makeFeedServer">source code</a></span>
</td>
</tr></table>
<dl class="fields">
<dt>Returns:</dt>
<dd><a href="flumotion.worker.feedserver.FeedServer-class.html"
class="link">flumotion.worker.feedserver.FeedServer</a></dd>
</dl>
</td></tr></table>
</div>
<a name="feedToFD"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">feedToFD</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">componentId</span>,
<span class="sig-arg">feedName</span>,
<span class="sig-arg">fd</span>,
<span class="sig-arg">eaterId</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.feedToFD">source code</a></span>
</td>
</tr></table>
<p>Called from the FeedAvatar to pass a file descriptor on to the job
running the component for this feeder.</p>
<dl class="fields">
<dt>Returns:</dt>
<dd>whether the fd was successfully handed off to the component.</dd>
</dl>
</td></tr></table>
</div>
<a name="eatFromFD"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">eatFromFD</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">componentId</span>,
<span class="sig-arg">eaterAlias</span>,
<span class="sig-arg">fd</span>,
<span class="sig-arg">feedId</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="flumotion.worker.worker-pysrc.html#WorkerBrain.eatFromFD">source code</a></span>
</td>
</tr></table>
<p>Called from the FeedAvatar to pass a file descriptor on to the job
running the given component.</p>
<dl class="fields">
<dt>Returns:</dt>
<dd>whether the fd was successfully handed off to the component.</dd>
</dl>
</td></tr></table>
</div>
<a name="__provides__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__provides__</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>
</td>
</tr></table>
<pre class="literalblock">
Special descriptor for class __provides__
The descriptor caches the implementedBy info, so that
we can get declarations for objects without instance-specific
interfaces a bit quicker.
For example:
>>> from zope.interface import Interface
>>> class IFooFactory(Interface):
... pass
>>> class IFoo(Interface):
... pass
>>> class C(object):
... implements(IFoo)
... classProvides(IFooFactory)
>>> [i.getName() for i in C.__provides__]
['IFooFactory']
>>> [i.getName() for i in C().__provides__]
['IFoo']
</pre>
<dl class="fields">
<dt>Overrides:
<a href="flumotion.extern.log.log.Loggable-class.html#__provides__">extern.log.log.Loggable.__provides__</a>
</dt>
</dl>
</td></tr></table>
</div>
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<!-- ==================== CLASS VARIABLE DETAILS ==================== -->
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<h3 class="epydoc">__implemented__</h3>
<dl class="fields">
</dl>
<dl class="fields">
<dt>Value:</dt>
<dd><table><tr><td><pre class="variable">
<implementedBy flumotion.worker.worker.WorkerBrain>
</pre></td></tr></table>
</dd>
</dl>
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