doc/html/api/lxml.etree.CustomElementClassLookup-class.html

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  45         <a href="lxml-module.html">Package&nbsp;lxml</a> ::
  46         <a href="lxml.etree-module.html">Module&nbsp;etree</a> ::
  47         Class&nbsp;CustomElementClassLookup
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  63 <!-- ==================== CLASS DESCRIPTION ==================== -->
  64 <h1 class="epydoc">Class CustomElementClassLookup</h1><p class="nomargin-top"></p>
  65 <pre class="base-tree">
  66             object --+
  67                      |
  68     <a href="lxml.etree.ElementClassLookup-class.html">ElementClassLookup</a> --+
  69                          |
  70 <a href="lxml.etree.FallbackElementClassLookup-class.html">FallbackElementClassLookup</a> --+
  71                              |
  72                             <strong class="uidshort">CustomElementClassLookup</strong>
  73 </pre>
  74
  75 <dl><dt>Known Subclasses:</dt>
  76 <dd>
  77       <ul class="subclass-list">
  78 <li class="private"><a href="lxml.html.HtmlElementClassLookup-class.html" onclick="show_private();">html.HtmlElementClassLookup</a></li>  </ul>
  79 </dd></dl>
  80
  81 <hr />
  82 <p>CustomElementClassLookup(self, fallback=None)
  83 Element class lookup based on a subclass method.</p>
  84 <p>You can inherit from this class and override the method:</p>
  85 <pre class="rst-literal-block">
  86 lookup(self, type, doc, namespace, name)
  87 </pre>
  88 <p>to lookup the element class for a node. Arguments of the method:
  89 * type:      one of 'element', 'comment', 'PI', 'entity'
  90 * doc:       document that the node is in
  91 * namespace: namespace URI of the node (or None for comments/PIs/entities)
  92 * name:      name of the element/entity, None for comments, target for PIs</p>
  93 <p>If you return None from this method, the fallback will be called.</p>
  94
  95 <!-- ==================== INSTANCE METHODS ==================== -->
  96 <a name="section-InstanceMethods"></a>
  97 <table class="summary" border="1" cellpadding="3"
  98        cellspacing="0" width="100%" bgcolor="white">
  99 <tr bgcolor="#70b0f0" class="table-header">
 100   <td colspan="2" class="table-header">
 101     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 102       <tr valign="top">
 103         <td align="left"><span class="table-header">Instance Methods</span></td>
 104         <td align="right" valign="top"
 105          ><span class="options">[<a href="#section-InstanceMethods"
 106          class="privatelink" onclick="toggle_private();"
 107          >hide private</a>]</span></td>
 108       </tr>
 109     </table>
 110   </td>
 111 </tr>
 112 <tr>
 113     <td width="15%" align="right" valign="top" class="summary">
 114       <span class="summary-type">a new object with type S, a subtype of T</span>
 115     </td><td class="summary">
 116       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 117         <tr>
 118           <td><span class="summary-sig"><a href="lxml.etree.CustomElementClassLookup-class.html#__new__" class="summary-sig-name">__new__</a>(<span class="summary-sig-arg">T</span>,
 119         <span class="summary-sig-arg">S</span>,
 120         <span class="summary-sig-arg">...</span>)</span></td>
 121           <td align="right" valign="top">
 122
 123
 124           </td>
 125         </tr>
 126       </table>
 127
 128     </td>
 129   </tr>
 130 <tr>
 131     <td width="15%" align="right" valign="top" class="summary">
 132       <span class="summary-type">&nbsp;</span>
 133     </td><td class="summary">
 134       <table width="100%" cellpadding="0" cellspacing="0" border="0">
 135         <tr>
 136           <td><span class="summary-sig"><a name="lookup"></a><span class="summary-sig-name">lookup</span>(<span class="summary-sig-arg">self</span>,
 137         <span class="summary-sig-arg">type</span>,
 138         <span class="summary-sig-arg">doc</span>,
 139         <span class="summary-sig-arg">namespace</span>,
 140         <span class="summary-sig-arg">name</span>)</span></td>
 141           <td align="right" valign="top">
 142
 143
 144           </td>
 145         </tr>
 146       </table>
 147
 148     </td>
 149   </tr>
 150   <tr>
 151     <td colspan="2" class="summary">
 152     <p class="indent-wrapped-lines"><b>Inherited from <code><a href="lxml.etree.FallbackElementClassLookup-class.html">FallbackElementClassLookup</a></code></b>:
 153       <code><a href="lxml.etree.FallbackElementClassLookup-class.html#__init__">__init__</a></code>,
 154       <code><a href="lxml.etree.FallbackElementClassLookup-class.html#set_fallback">set_fallback</a></code>
 155       </p>
 156     <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
 157       <code>__delattr__</code>,
 158       <code>__getattribute__</code>,
 159       <code>__hash__</code>,
 160       <code>__reduce__</code>,
 161       <code>__reduce_ex__</code>,
 162       <code>__repr__</code>,
 163       <code>__setattr__</code>,
 164       <code>__str__</code>
 165       </p>
 166     </td>
 167   </tr>
 168 </table>
 169 <!-- ==================== PROPERTIES ==================== -->
 170 <a name="section-Properties"></a>
 171 <table class="summary" border="1" cellpadding="3"
 172        cellspacing="0" width="100%" bgcolor="white">
 173 <tr bgcolor="#70b0f0" class="table-header">
 174   <td colspan="2" class="table-header">
 175     <table border="0" cellpadding="0" cellspacing="0" width="100%">
 176       <tr valign="top">
 177         <td align="left"><span class="table-header">Properties</span></td>
 178         <td align="right" valign="top"
 179          ><span class="options">[<a href="#section-Properties"
 180          class="privatelink" onclick="toggle_private();"
 181          >hide private</a>]</span></td>
 182       </tr>
 183     </table>
 184   </td>
 185 </tr>
 186   <tr>
 187     <td colspan="2" class="summary">
 188     <p class="indent-wrapped-lines"><b>Inherited from <code><a href="lxml.etree.FallbackElementClassLookup-class.html">FallbackElementClassLookup</a></code></b>:
 189       <code><a href="lxml.etree.FallbackElementClassLookup-class.html#fallback">fallback</a></code>
 190       </p>
 191     <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
 192       <code>__class__</code>
 193       </p>
 194     </td>
 195   </tr>
 196 </table>
 197 <!-- ==================== METHOD DETAILS ==================== -->
 198 <a name="section-MethodDetails"></a>
 199 <table class="details" border="1" cellpadding="3"
 200        cellspacing="0" width="100%" bgcolor="white">
 201 <tr bgcolor="#70b0f0" class="table-header">
 202   <td colspan="2" class="table-header">
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 204       <tr valign="top">
 205         <td align="left"><span class="table-header">Method Details</span></td>
 206         <td align="right" valign="top"
 207          ><span class="options">[<a href="#section-MethodDetails"
 208          class="privatelink" onclick="toggle_private();"
 209          >hide private</a>]</span></td>
 210       </tr>
 211     </table>
 212   </td>
 213 </tr>
 214 </table>
 215 <a name="__new__"></a>
 216 <div>
 217 <table class="details" border="1" cellpadding="3"
 218        cellspacing="0" width="100%" bgcolor="white">
 219 <tr><td>
 220   <table width="100%" cellpadding="0" cellspacing="0" border="0">
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 222   <h3 class="epydoc"><span class="sig"><span class="sig-name">__new__</span>(<span class="sig-arg">T</span>,
 223         <span class="sig-arg">S</span>,
 224         <span class="sig-arg">...</span>)</span>
 225   </h3>
 226   </td><td align="right" valign="top"
 227     >&nbsp;
 228     </td>
 229   </tr></table>
 230
 231
 232   <dl class="fields">
 233     <dt>Returns: a new object with type S, a subtype of T</dt>
 234     <dt>Overrides:
 235         object.__new__
 236     </dt>
 237   </dl>
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