twisted.cred.service.Service.html [plain text]
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<a href="twisted.html">Package twisted</a> ::
<a href="twisted.cred.html">Package cred</a> ::
<a href="twisted.cred.service.html">Module service</a> ::
Class Service
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<!-- =========== START OF CLASS DESCRIPTION =========== -->
<h2 class="class">Class Service</h2>
<pre class="base-tree">
<a href="twisted.python.reflect.Accessor.html"><code>Accessor</code></a> --+
|
<a href="twisted.persisted.styles.Versioned.html"><code>Versioned</code></a> --+
|
<a href="twisted.internet.app.ApplicationService.html"><code>ApplicationService</code></a> --+
|
<b>Service</b>
</pre><br />
<dl><dt><b>Known Subclasses:</b></dt>
<dd>
<a href="twisted.spread.pb.Service.html"><code>Service</code></a></dd></dl>
<hr/>
<p>I am a service that internet applications interact with.</p>
I represent a set of abstractions which users may interact with over a
specified protocol.
<hr/>
<p><b>See Also:</b> <a href="twisted.spread.pb.Service.html"
class="link"><code>twisted.spread.pb.Service</code></a>
</p>
<!-- =========== START OF METHOD SUMMARY =========== -->
<table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
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<th colspan="2">Method Summary</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#__init__" class="summary-sig-name"><code>__init__</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>serviceName</span>,
<span class=summary-sig-arg>serviceParent</span>,
<span class=summary-sig-arg>authorizer</span>,
<span class=summary-sig-arg>application</span>)</span></code>
<br />
Create me, attached to the given application.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#addPerspective" class="summary-sig-name"><code>addPerspective</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>perspective</span>)</span></code>
<br />
Add a perspective to this Service.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#cachePerspective" class="summary-sig-name"><code>cachePerspective</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>perspective</span>)</span></code>
<br />
Cache a perspective loaded from an external data source.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#createPerspective" class="summary-sig-name"><code>createPerspective</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>name</span>)</span></code>
<br />
Create a perspective from self.perspectiveClass and add it to this
service.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#getPerspectiveForIdentity" class="summary-sig-name"><code>getPerspectiveForIdentity</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>name</span>,
<span class=summary-sig-arg>identity</span>)</span></code>
<br />
A hook to use if the identity is required when getting the
perspective.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#getPerspectiveNamed" class="summary-sig-name"><code>getPerspectiveNamed</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>name</span>)</span></code>
<br />
Return a perspective that represents a user for this service.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#getPerspectiveRequest" class="summary-sig-name"><code>getPerspectiveRequest</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>name</span>)</span></code>
<br />
Return a Deferred which is a request for a perspective on this
service.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#getServiceName" class="summary-sig-name"><code>getServiceName</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
The name of this service.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#getServiceType" class="summary-sig-name"><code>getServiceType</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Get a string describing the type of this service.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> Deferred Perspective
</font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#loadPerspective" class="summary-sig-name"><code>loadPerspective</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>name</span>)</span></code>
<br />
Load a perspective from an external data-source.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><a name="setServiceParent"></a><span class="summary-sig"><span class="summary-sig-name">setServiceParent</span>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>parent</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.cred.service.Service.html#uncachePerspective" class="summary-sig-name"><code>uncachePerspective</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>perspective</span>)</span></code>
<br />
Uncache a perspective loaded from an external data source.</td></tr>
<tr bgcolor="#e8f0f8" class="group">
<th colspan="2"> Inherited from ApplicationService</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.app.ApplicationService.html#disownServiceParent" class="summary-sig-name"><code>disownServiceParent</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Have my parent disown me.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.app.ApplicationService.html#get_application" class="summary-sig-name"><code>get_application</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.app.ApplicationService.html#set_application" class="summary-sig-name"><code>set_application</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>application</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.app.ApplicationService.html#set_application" class="summary-sig-name"><code>setApplication</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>application</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.app.ApplicationService.html#startService" class="summary-sig-name"><code>startService</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
This call is made as a service starts up.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.app.ApplicationService.html#stopService" class="summary-sig-name"><code>stopService</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
This call is made before shutdown.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.app.ApplicationService.html#upgradeToVersion1" class="summary-sig-name"><code>upgradeToVersion1</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
</td></tr>
<tr bgcolor="#e8f0f8" class="group">
<th colspan="2"> Inherited from Accessor</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.python.reflect.Accessor.html#__delattr__" class="summary-sig-name"><code>__delattr__</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>k</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.python.reflect.Accessor.html#__getattr__" class="summary-sig-name"><code>__getattr__</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>k</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.python.reflect.Accessor.html#__setattr__" class="summary-sig-name"><code>__setattr__</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>k</span>,
<span class=summary-sig-arg>v</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.python.reflect.Accessor.html#reallyDel" class="summary-sig-name"><code>reallyDel</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>k</span>)</span></code>
<br />
*actually* del self.k without incurring side-effects.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.python.reflect.Accessor.html#reallySet" class="summary-sig-name"><code>reallySet</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>k</span>,
<span class=summary-sig-arg>v</span>)</span></code>
<br />
*actually* set self.k to v without incurring side-effects.</td></tr>
<tr bgcolor="#e8f0f8" class="group">
<th colspan="2"> Inherited from Versioned</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.persisted.styles.Versioned.html#__getstate__" class="summary-sig-name"><code>__getstate__</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>dict</span>)</span></code>
<br />
Get state, adding a version number to it on its way out.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.persisted.styles.Versioned.html#__setstate__" class="summary-sig-name"><code>__setstate__</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>state</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.persisted.styles.Versioned.html#versionUpgrade" class="summary-sig-name"><code>versionUpgrade</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
(internal) Do a version upgrade.</td></tr>
</table><br />
<!-- =========== START OF CLASS VARIABLE SUMMARY =========== -->
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<th colspan="2">Class Variable Summary</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>class</code></font></td>
<td><a name="__implements__"></a><b><code>__implements__</code></b> = <a href="twisted.cred.service.IService.html"><code>twisted.cred.service.IService</code></a></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>class</code></font></td>
<td><a name="perspectiveClass"></a><b><code>perspectiveClass</code></b> = <a href="twisted.cred.perspective.Perspective.html"><code>twisted.cred.perspective.Perspective</code></a></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>NoneType</code></font></td>
<td><b><a href="twisted.cred.service.Service.html#serviceName"><code>serviceName</code></a></b> = <span title="None">None </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>NoneType</code></font></td>
<td><b><a href="twisted.cred.service.Service.html#serviceType"><code>serviceType</code></a></b> = <span title="None">None </span></td></tr>
<tr bgcolor="#e8f0f8" class="group">
<th colspan="2"> Inherited from ApplicationService</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.app.ApplicationService.html#persistenceVersion"><code>persistenceVersion</code></a></b> = <span title="1">1 </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>NoneType</code></font></td>
<td><b><a href="twisted.internet.app.ApplicationService.html#serviceParent"><code>serviceParent</code></a></b> = <span title="None">None </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.app.ApplicationService.html#serviceRunning"><code>serviceRunning</code></a></b> = <span title="0">0 </span></td></tr>
<tr bgcolor="#e8f0f8" class="group">
<th colspan="2"> Inherited from Versioned</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>tuple</code></font></td>
<td><b><a href="twisted.persisted.styles.Versioned.html#persistenceForgets"><code>persistenceForgets</code></a></b> = <span title="()"><code>() </code>
</span></td></tr>
</table><br />
<!-- =========== START OF METHOD DETAILS =========== -->
<table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="details">
<th colspan="2">Method Details</th></tr>
</table>
<a name="__init__"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">__init__</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>serviceName</span>,
<span class=sig-arg>serviceParent</span>=<span class=sig-default>None</span>,
<span class=sig-arg>authorizer</span>=<span class=sig-default>None</span>,
<span class=sig-arg>application</span>=<span class=sig-default>None</span>)</span>
<br /><i>(Constructor)</i>
</h3>
<p>Create me, attached to the given application.</p>
Arguments: application, a twisted.internet.app.Application
instance.
<dl><dt></dt><dd>
<dl><dt><b>Overrides:</b></dt>
<dd><a href="twisted.internet.app.ApplicationService.html#__init__"><code>twisted.internet.app.ApplicationService.__init__</code></a></dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="addPerspective"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">addPerspective</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>perspective</span>)</span>
</h3>
Add a perspective to this Service.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="cachePerspective"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">cachePerspective</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>perspective</span>)</span>
</h3>
<p>Cache a perspective loaded from an external data source.</p>
Perspectives that were 'loaded' from memory will not be
uncached.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="createPerspective"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">createPerspective</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>name</span>)</span>
</h3>
Create a perspective from self.perspectiveClass and add it to this
service.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="getPerspectiveForIdentity"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">getPerspectiveForIdentity</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>name</span>,
<span class=sig-arg>identity</span>)</span>
</h3>
A hook to use if the identity is required when getting the
perspective.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="getPerspectiveNamed"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">getPerspectiveNamed</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>name</span>)</span>
</h3>
<p>Return a perspective that represents a user for this service.
(DEPRECATED)</p>
Raises a KeyError if no such user exists. Override this method to
provide dynamic instantiation of perspectives. It is only deprecated to
call this method directly, not to override it; when you need to get a
Perspective, call getPerspectiveRequest.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="getPerspectiveRequest"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">getPerspectiveRequest</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>name</span>)</span>
</h3>
Return a Deferred which is a request for a perspective on this
service.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="getServiceName"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">getServiceName</span>(<span class=sig-arg>self</span>)</span>
</h3>
The name of this service.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="getServiceType"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">getServiceType</span>(<span class=sig-arg>self</span>)</span>
</h3>
Get a string describing the type of this service.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="loadPerspective"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">loadPerspective</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>name</span>)</span>
</h3>
<p>Load a perspective from an external data-source.</p>
If no such data-source exists, return None. Implement this if you
want to load your perspectives from somewhere else (e.g. LDAP or a
database). It is not recommended to call this directly, since
getPerspectiveRequest provides management of caching perspectives.
<dl><dt></dt><dd>
<dl><dt><b>Returns:</b></dt>
<dd>
Deferred Perspective
</dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="uncachePerspective"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">uncachePerspective</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>perspective</span>)</span>
</h3>
<p>Uncache a perspective loaded from an external data source.</p>
Perspectives that were 'loaded' from memory will not be
uncached.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<br />
<!-- =========== START OF CLASS VARIABLE DETAILS =========== -->
<table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="details">
<th colspan="2">Class Variable Details</th></tr>
</table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="serviceName"></a>
<h3>serviceName</h3>
<dl>
<dt></dt>
<dd>
<dl>
<dt><b>Type:</b></dt>
<dd>
<code>NoneType</code>
</dd>
<span title="None"> <dt><b>Value:</b></dt>
<dd><table><tr><td>
<pre class="variable">
None </pre>
</td></tr></table></dd>
</span> </dl>
</dd>
</dl></td></tr></table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="serviceType"></a>
<h3>serviceType</h3>
<dl>
<dt></dt>
<dd>
<dl>
<dt><b>Type:</b></dt>
<dd>
<code>NoneType</code>
</dd>
<span title="None"> <dt><b>Value:</b></dt>
<dd><table><tr><td>
<pre class="variable">
None </pre>
</td></tr></table></dd>
</span> </dl>
</dd>
</dl></td></tr></table>
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