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+<?xml version="1.0" encoding="ascii"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+          "DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+  <title>django.db.models.fields.subclassing.SubfieldBase</title>
+  <link rel="stylesheet" href="epydoc.css" type="text/css" />
+  <script type="text/javascript" src="epydoc.js"></script>
+</head>
+
+<body bgcolor="white" text="black" link="blue" vlink="#204080"
+      alink="#204080">
+<!-- ==================== NAVIGATION BAR ==================== -->
+<table class="navbar" border="0" width="100%" cellpadding="0"
+       bgcolor="#a0c0ff" cellspacing="0">
+  <tr valign="middle">
+
+  <!-- Tree link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>
+
+  <!-- Index link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>
+
+  <!-- Help link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>
+
+      <th class="navbar" width="100%"></th>
+  </tr>
+</table>
+<table width="100%" cellpadding="0" cellspacing="0">
+  <tr valign="top">
+    <td width="100%">
+      <span class="breadcrumbs">
+        django ::
+        db ::
+        models ::
+        fields ::
+        subclassing ::
+        SubfieldBase ::
+        Class&nbsp;SubfieldBase
+      </span>
+    </td>
+    <td>
+      <table cellpadding="0" cellspacing="0">
+        <!-- hide/show private -->
+        <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink"
+    onclick="toggle_private();">hide&nbsp;private</a>]</span></td></tr>
+        <tr><td align="right"><span class="options"
+            >[<a href="frames.html" target="_top">frames</a
+            >]&nbsp;|&nbsp;<a href="django.db.models.fields.subclassing.SubfieldBase-class.html"
+            target="_top">no&nbsp;frames</a>]</span></td></tr>
+      </table>
+    </td>
+  </tr>
+</table>
+<!-- ==================== TYPE DESCRIPTION ==================== -->
+<h1 class="epydoc">Type SubfieldBase</h1><p class="nomargin-top"></p>
+<center>
+<center>  <map id="uml_class_diagram_for_django_d" name="uml_class_diagram_for_django_d">
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+<area shape="rect" href="javascript:void(0);" title="type.__abstractmethods__" alt="" coords="52,28,183,47"/>
+<area shape="rect" href="javascript:void(0);" title="type.__base__" alt="" coords="52,47,183,65"/>
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+<area shape="rect" href="javascript:void(0);" title="x(...)" alt="" coords="52,255,183,273"/>
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+<area shape="rect" href="javascript:void(0);" title="type.__subclasses__" alt="" coords="52,497,183,516"/>
+<area shape="rect" href="javascript:void(0);" title="return a type&#39;s method resolution order" alt="" coords="52,516,183,535"/>
+<area shape="rect" href="javascript:void(0);" title="type(object) &#45;&gt; the object&#39;s type..." alt="" coords="51,11,184,536"/>
+</map>
+  <img src="uml_class_diagram_for_django_d.gif" alt='' usemap="#uml_class_diagram_for_django_d" ismap="ismap" class="graph-without-title" />
+</center>
+</center>
+<hr />
+<pre class="literalblock">
+
+A metaclass for custom Field subclasses. This ensures the model's attribute
+has the descriptor protocol attached to it.
+
+</pre>
+
+<!-- ==================== INSTANCE METHODS ==================== -->
+<a name="section-InstanceMethods"></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">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Instance Methods</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-InstanceMethods"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+  <tr>
+    <td colspan="2" class="summary">
+    <p class="indent-wrapped-lines"><b>Inherited from <code>type</code></b>:
+      <code>__call__</code>,
+      <code>__delattr__</code>,
+      <code>__eq__</code>,
+      <code>__ge__</code>,
+      <code>__getattribute__</code>,
+      <code>__gt__</code>,
+      <code>__hash__</code>,
+      <code>__init__</code>,
+      <code>__le__</code>,
+      <code>__lt__</code>,
+      <code>__ne__</code>,
+      <code>__repr__</code>,
+      <code>__setattr__</code>,
+      <code>__subclasses__</code>,
+      <code>mro</code>
+      </p>
+    <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
+      <code>__format__</code>,
+      <code>__reduce__</code>,
+      <code>__reduce_ex__</code>,
+      <code>__sizeof__</code>,
+      <code>__str__</code>,
+      <code>__subclasshook__</code>
+      </p>
+    </td>
+  </tr>
+</table>
+<!-- ==================== STATIC METHODS ==================== -->
+<a name="section-StaticMethods"></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">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Static Methods</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-StaticMethods"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type"><pre class="literalblock">
+a new object with type S, a subtype of T
+
+</pre></span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a href="django.db.models.fields.subclassing.SubfieldBase-class.html#__new__" class="summary-sig-name">__new__</a>(<span class="summary-sig-arg">cls</span>,
+        <span class="summary-sig-arg">name</span>,
+        <span class="summary-sig-arg">bases</span>,
+        <span class="summary-sig-arg">attrs</span>)</span></td>
+          <td align="right" valign="top">
+            
+            
+          </td>
+        </tr>
+      </table>
+      
+    </td>
+  </tr>
+</table>
+<!-- ==================== PROPERTIES ==================== -->
+<a name="section-Properties"></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">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Properties</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-Properties"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+  <tr>
+    <td colspan="2" class="summary">
+    <p class="indent-wrapped-lines"><b>Inherited from <code>type</code></b>:
+      <code>__abstractmethods__</code>,
+      <code>__base__</code>,
+      <code>__bases__</code>,
+      <code>__basicsize__</code>,
+      <code>__dictoffset__</code>,
+      <code>__flags__</code>,
+      <code>__instancecheck__</code>,
+      <code>__itemsize__</code>,
+      <code>__mro__</code>,
+      <code>__name__</code>,
+      <code>__subclasscheck__</code>,
+      <code>__weakrefoffset__</code>
+      </p>
+    <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
+      <code>__class__</code>
+      </p>
+    </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">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Method Details</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-MethodDetails"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+</table>
+<a name="__new__"></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">__new__</span>(<span class="sig-arg">cls</span>,
+        <span class="sig-arg">name</span>,
+        <span class="sig-arg">bases</span>,
+        <span class="sig-arg">attrs</span>)</span>
+    <br /><em class="fname">Static Method</em>
+  </h3>
+  </td><td align="right" valign="top"
+    >&nbsp;
+    </td>
+  </tr></table>
+  
+  <pre class="literalblock">
+
+
+</pre>
+  <dl class="fields">
+    <dt>Returns: <pre class="literalblock">
+a new object with type S, a subtype of T
+
+</pre></dt>
+    <dt>Overrides:
+        object.__new__
+        <dd><em class="note">(inherited documentation)</em></dd>
+    </dt>
+  </dl>
+</td></tr></table>
+</div>
+<br />
+<!-- ==================== NAVIGATION BAR ==================== -->
+<table class="navbar" border="0" width="100%" cellpadding="0"
+       bgcolor="#a0c0ff" cellspacing="0">
+  <tr valign="middle">
+
+  <!-- Tree link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>
+
+  <!-- Index link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>
+
+  <!-- Help link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>
+
+      <th class="navbar" width="100%"></th>
+  </tr>
+</table>
+<table border="0" cellpadding="0" cellspacing="0" width="100%%">
+  <tr>
+    <td align="left" class="footer">
+    Generated by Epydoc 3.0.1 on Tue Jun  5 09:03:07 2012
+    </td>
+    <td align="right" class="footer">
+      <a target="mainFrame" href="http://epydoc.sourceforge.net"
+        >http://epydoc.sourceforge.net</a>
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+
+<script type="text/javascript">
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+  // Private objects are initially displayed (because if
+  // javascript is turned off then we want them to be
+  // visible); but by default, we want to hide them.  So hide
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+  checkCookie();
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+</script>
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+</html>