Imported Upstream version 2.3.5
[platform/upstream/python-lxml.git] / doc / html / api / lxml.etree.ElementBase-class.html
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44       <span class="breadcrumbs">
45         <a href="lxml-module.html">Package&nbsp;lxml</a> ::
46         <a href="lxml.etree-module.html">Module&nbsp;etree</a> ::
47         Class&nbsp;ElementBase
48       </span>
49     </td>
50     <td>
51       <table cellpadding="0" cellspacing="0">
52         <!-- hide/show private -->
53         <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink"
54     onclick="toggle_private();">hide&nbsp;private</a>]</span></td></tr>
55         <tr><td align="right"><span class="options"
56             >[<a href="frames.html" target="_top">frames</a
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60     </td>
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62 </table>
63 <!-- ==================== CLASS DESCRIPTION ==================== -->
64 <h1 class="epydoc">Class ElementBase</h1><p class="nomargin-top"></p>
65 <pre class="base-tree">
66 object --+    
67          |    
68   <a href="lxml.etree._Element-class.html" onclick="show_private();">_Element</a> --+
69              |
70             <strong class="uidshort">ElementBase</strong>
71 </pre>
72
73 <dl><dt>Known Subclasses:</dt>
74 <dd>
75       <ul class="subclass-list">
76 <li><a href="lxml.objectify.ObjectifiedElement-class.html">objectify.ObjectifiedElement</a></li><li>, <a href="lxml.tests.test_nsclasses.ETreeNamespaceClassesTestCase.bluff_class-class.html">tests.test_nsclasses.ETreeNamespaceClassesTestCase.bluff_class</a></li><li>, <a href="lxml.tests.test_nsclasses.ETreeNamespaceClassesTestCase.default_class-class.html">tests.test_nsclasses.ETreeNamespaceClassesTestCase.default_class</a></li><li>, <a href="lxml.tests.test_nsclasses.ETreeNamespaceClassesTestCase.maeh_class-class.html">tests.test_nsclasses.ETreeNamespaceClassesTestCase.maeh_class</a></li><li class="private">, <a href="lxml.html.HtmlElement-class.html" onclick="show_private();">html.HtmlElement</a></li>  </ul>
77 </dd></dl>
78
79 <hr />
80 <p>ElementBase(<a href="#id1"><span class="rst-rst-rst-problematic rst-rst-problematic rst-problematic" id="rst-rst-rst-id2">*</span></a>children, attrib=None, nsmap=None, <a href="#id3"><span class="rst-rst-rst-problematic rst-rst-problematic rst-problematic" id="rst-rst-rst-id4">**</span></a>_extra)</p>
81 <p>The public Element class.  All custom Element classes must inherit
82 from this one.  To create an Element, use the <a href="lxml.etree-module.html#Element" class="link">Element()</a> factory.</p>
83 <p>BIG FAT WARNING: Subclasses <em>must not</em> override __init__ or
84 __new__ as it is absolutely undefined when these objects will be
85 created or destroyed.  All persistent state of Elements must be
86 stored in the underlying XML.  If you really need to initialize
87 the object after creation, you can implement an <tt class="rst-docutils literal">_init(self)</tt>
88 method that will be called directly after object creation.</p>
89 <p>Subclasses of this class can be instantiated to create a new
90 Element.  By default, the tag name will be the class name and the
91 namespace will be empty.  You can modify this with the following
92 class attributes:</p>
93 <ul class="rst-simple">
94 <li>TAG - the tag name, possibly containing a namespace in Clark
95 notation</li>
96 <li>NAMESPACE - the default namespace URI, unless provided as part
97 of the TAG attribute.</li>
98 <li>HTML - flag if the class is an HTML tag, as opposed to an XML
99 tag.  This only applies to un-namespaced tags and defaults to
100 false (i.e. XML).</li>
101 <li>PARSER - the parser that provides the configuration for the
102 newly created document.  Providing an HTML parser here will
103 default to creating an HTML element.</li>
104 </ul>
105 <p>In user code, the latter three are commonly inherited in class
106 hierarchies that implement a common namespace.</p>
107
108 <!-- ==================== INSTANCE METHODS ==================== -->
109 <a name="section-InstanceMethods"></a>
110 <table class="summary" border="1" cellpadding="3"
111        cellspacing="0" width="100%" bgcolor="white">
112 <tr bgcolor="#70b0f0" class="table-header">
113   <td colspan="2" class="table-header">
114     <table border="0" cellpadding="0" cellspacing="0" width="100%">
115       <tr valign="top">
116         <td align="left"><span class="table-header">Instance Methods</span></td>
117         <td align="right" valign="top"
118          ><span class="options">[<a href="#section-InstanceMethods"
119          class="privatelink" onclick="toggle_private();"
120          >hide private</a>]</span></td>
121       </tr>
122     </table>
123   </td>
124 </tr>
125 <tr>
126     <td width="15%" align="right" valign="top" class="summary">
127       <span class="summary-type">&nbsp;</span>
128     </td><td class="summary">
129       <table width="100%" cellpadding="0" cellspacing="0" border="0">
130         <tr>
131           <td><span class="summary-sig"><a href="lxml.etree.ElementBase-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">attrib</span>=<span class="summary-sig-default">None</span>,
132         <span class="summary-sig-arg">nsmap</span>=<span class="summary-sig-default">None</span>,
133         <span class="summary-sig-arg">*children</span>,
134         <span class="summary-sig-arg">**_extra</span>)</span><br />
135       x.__init__(...) initializes x; see help(type(x)) for signature</td>
136           <td align="right" valign="top">
137             
138             
139           </td>
140         </tr>
141       </table>
142       
143     </td>
144   </tr>
145 <tr>
146     <td width="15%" align="right" valign="top" class="summary">
147       <span class="summary-type">a new object with type S, a subtype of T</span>
148     </td><td class="summary">
149       <table width="100%" cellpadding="0" cellspacing="0" border="0">
150         <tr>
151           <td><span class="summary-sig"><a href="lxml.etree.ElementBase-class.html#__new__" class="summary-sig-name">__new__</a>(<span class="summary-sig-arg">T</span>,
152         <span class="summary-sig-arg">S</span>,
153         <span class="summary-sig-arg">...</span>)</span></td>
154           <td align="right" valign="top">
155             
156             
157           </td>
158         </tr>
159       </table>
160       
161     </td>
162   </tr>
163   <tr>
164     <td colspan="2" class="summary">
165     <p class="indent-wrapped-lines"><b>Inherited from <code><a href="lxml.etree._Element-class.html" onclick="show_private();">_Element</a></code></b>:
166       <code><a href="lxml.etree._Element-class.html#__contains__">__contains__</a></code>,
167       <code><a href="lxml.etree._Element-class.html#__copy__">__copy__</a></code>,
168       <code><a href="lxml.etree._Element-class.html#__deepcopy__">__deepcopy__</a></code>,
169       <code><a href="lxml.etree._Element-class.html#__delitem__">__delitem__</a></code>,
170       <code><a href="lxml.etree._Element-class.html#__getitem__">__getitem__</a></code>,
171       <code><a href="lxml.etree._Element-class.html#__iter__">__iter__</a></code>,
172       <code><a href="lxml.etree._Element-class.html#__len__">__len__</a></code>,
173       <code><a href="lxml.etree._Element-class.html#__nonzero__">__nonzero__</a></code>,
174       <code><a href="lxml.etree._Element-class.html#__repr__">__repr__</a></code>,
175       <code><a href="lxml.etree._Element-class.html#__reversed__">__reversed__</a></code>,
176       <code><a href="lxml.etree._Element-class.html#__setitem__">__setitem__</a></code>,
177       <code><a href="lxml.etree._Element-class.html#addnext">addnext</a></code>,
178       <code><a href="lxml.etree._Element-class.html#addprevious">addprevious</a></code>,
179       <code><a href="lxml.etree._Element-class.html#append">append</a></code>,
180       <code><a href="lxml.etree._Element-class.html#clear">clear</a></code>,
181       <code><a href="lxml.etree._Element-class.html#extend">extend</a></code>,
182       <code><a href="lxml.etree._Element-class.html#find">find</a></code>,
183       <code><a href="lxml.etree._Element-class.html#findall">findall</a></code>,
184       <code><a href="lxml.etree._Element-class.html#findtext">findtext</a></code>,
185       <code><a href="lxml.etree._Element-class.html#get">get</a></code>,
186       <code><a href="lxml.etree._Element-class.html#getchildren">getchildren</a></code>,
187       <code><a href="lxml.etree._Element-class.html#getiterator">getiterator</a></code>,
188       <code><a href="lxml.etree._Element-class.html#getnext">getnext</a></code>,
189       <code><a href="lxml.etree._Element-class.html#getparent">getparent</a></code>,
190       <code><a href="lxml.etree._Element-class.html#getprevious">getprevious</a></code>,
191       <code><a href="lxml.etree._Element-class.html#getroottree">getroottree</a></code>,
192       <code><a href="lxml.etree._Element-class.html#index">index</a></code>,
193       <code><a href="lxml.etree._Element-class.html#insert">insert</a></code>,
194       <code><a href="lxml.etree._Element-class.html#items">items</a></code>,
195       <code><a href="lxml.etree._Element-class.html#iter">iter</a></code>,
196       <code><a href="lxml.etree._Element-class.html#iterancestors">iterancestors</a></code>,
197       <code><a href="lxml.etree._Element-class.html#iterchildren">iterchildren</a></code>,
198       <code><a href="lxml.etree._Element-class.html#iterdescendants">iterdescendants</a></code>,
199       <code><a href="lxml.etree._Element-class.html#iterfind">iterfind</a></code>,
200       <code><a href="lxml.etree._Element-class.html#itersiblings">itersiblings</a></code>,
201       <code><a href="lxml.etree._Element-class.html#itertext">itertext</a></code>,
202       <code><a href="lxml.etree._Element-class.html#keys">keys</a></code>,
203       <code><a href="lxml.etree._Element-class.html#makeelement">makeelement</a></code>,
204       <code><a href="lxml.etree._Element-class.html#remove">remove</a></code>,
205       <code><a href="lxml.etree._Element-class.html#replace">replace</a></code>,
206       <code><a href="lxml.etree._Element-class.html#set">set</a></code>,
207       <code><a href="lxml.etree._Element-class.html#values">values</a></code>,
208       <code><a href="lxml.etree._Element-class.html#xpath">xpath</a></code>
209       </p>
210     <div class="private">    <p class="indent-wrapped-lines"><b>Inherited from <code><a href="lxml.etree._Element-class.html" onclick="show_private();">_Element</a></code></b> (private):
211       <code><a href="lxml.etree._Element-class.html#_init" onclick="show_private();">_init</a></code>
212       </p></div>
213     <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
214       <code>__delattr__</code>,
215       <code>__format__</code>,
216       <code>__getattribute__</code>,
217       <code>__hash__</code>,
218       <code>__reduce__</code>,
219       <code>__reduce_ex__</code>,
220       <code>__setattr__</code>,
221       <code>__sizeof__</code>,
222       <code>__str__</code>,
223       <code>__subclasshook__</code>
224       </p>
225     </td>
226   </tr>
227 </table>
228 <!-- ==================== PROPERTIES ==================== -->
229 <a name="section-Properties"></a>
230 <table class="summary" border="1" cellpadding="3"
231        cellspacing="0" width="100%" bgcolor="white">
232 <tr bgcolor="#70b0f0" class="table-header">
233   <td colspan="2" class="table-header">
234     <table border="0" cellpadding="0" cellspacing="0" width="100%">
235       <tr valign="top">
236         <td align="left"><span class="table-header">Properties</span></td>
237         <td align="right" valign="top"
238          ><span class="options">[<a href="#section-Properties"
239          class="privatelink" onclick="toggle_private();"
240          >hide private</a>]</span></td>
241       </tr>
242     </table>
243   </td>
244 </tr>
245   <tr>
246     <td colspan="2" class="summary">
247     <p class="indent-wrapped-lines"><b>Inherited from <code><a href="lxml.etree._Element-class.html" onclick="show_private();">_Element</a></code></b>:
248       <code><a href="lxml.etree._Element-class.html#attrib">attrib</a></code>,
249       <code><a href="lxml.etree._Element-class.html#base">base</a></code>,
250       <code><a href="lxml.etree._Element-class.html#nsmap">nsmap</a></code>,
251       <code><a href="lxml.etree._Element-class.html#prefix">prefix</a></code>,
252       <code><a href="lxml.etree._Element-class.html#sourceline">sourceline</a></code>,
253       <code><a href="lxml.etree._Element-class.html#tag">tag</a></code>,
254       <code><a href="lxml.etree._Element-class.html#tail">tail</a></code>,
255       <code><a href="lxml.etree._Element-class.html#text">text</a></code>
256       </p>
257     <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
258       <code>__class__</code>
259       </p>
260     </td>
261   </tr>
262 </table>
263 <!-- ==================== METHOD DETAILS ==================== -->
264 <a name="section-MethodDetails"></a>
265 <table class="details" border="1" cellpadding="3"
266        cellspacing="0" width="100%" bgcolor="white">
267 <tr bgcolor="#70b0f0" class="table-header">
268   <td colspan="2" class="table-header">
269     <table border="0" cellpadding="0" cellspacing="0" width="100%">
270       <tr valign="top">
271         <td align="left"><span class="table-header">Method Details</span></td>
272         <td align="right" valign="top"
273          ><span class="options">[<a href="#section-MethodDetails"
274          class="privatelink" onclick="toggle_private();"
275          >hide private</a>]</span></td>
276       </tr>
277     </table>
278   </td>
279 </tr>
280 </table>
281 <a name="__init__"></a>
282 <div>
283 <table class="details" border="1" cellpadding="3"
284        cellspacing="0" width="100%" bgcolor="white">
285 <tr><td>
286   <table width="100%" cellpadding="0" cellspacing="0" border="0">
287   <tr valign="top"><td>
288   <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">attrib</span>=<span class="sig-default">None</span>,
289         <span class="sig-arg">nsmap</span>=<span class="sig-default">None</span>,
290         <span class="sig-arg">*children</span>,
291         <span class="sig-arg">**_extra</span>)</span>
292     <br /><em class="fname">(Constructor)</em>
293   </h3>
294   </td><td align="right" valign="top"
295     >&nbsp;
296     </td>
297   </tr></table>
298   
299   x.__init__(...) initializes x; see help(type(x)) for signature
300   <dl class="fields">
301     <dt>Overrides:
302         object.__init__
303     </dt>
304   </dl>
305 </td></tr></table>
306 </div>
307 <a name="__new__"></a>
308 <div>
309 <table class="details" border="1" cellpadding="3"
310        cellspacing="0" width="100%" bgcolor="white">
311 <tr><td>
312   <table width="100%" cellpadding="0" cellspacing="0" border="0">
313   <tr valign="top"><td>
314   <h3 class="epydoc"><span class="sig"><span class="sig-name">__new__</span>(<span class="sig-arg">T</span>,
315         <span class="sig-arg">S</span>,
316         <span class="sig-arg">...</span>)</span>
317   </h3>
318   </td><td align="right" valign="top"
319     >&nbsp;
320     </td>
321   </tr></table>
322   
323   
324   <dl class="fields">
325     <dt>Returns: a new object with type S, a subtype of T</dt>
326     <dt>Overrides:
327         object.__new__
328     </dt>
329   </dl>
330 </td></tr></table>
331 </div>
332 <br />
333 <!-- ==================== NAVIGATION BAR ==================== -->
334 <table class="navbar" border="0" width="100%" cellpadding="0"
335        bgcolor="#a0c0ff" cellspacing="0">
336   <tr valign="middle">
337   <!-- Home link -->
338       <th>&nbsp;&nbsp;&nbsp;<a
339         href="lxml-module.html">Home</a>&nbsp;&nbsp;&nbsp;</th>
340
341   <!-- Tree link -->
342       <th>&nbsp;&nbsp;&nbsp;<a
343         href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>
344
345   <!-- Index link -->
346       <th>&nbsp;&nbsp;&nbsp;<a
347         href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>
348
349   <!-- Help link -->
350       <th>&nbsp;&nbsp;&nbsp;<a
351         href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>
352
353   <!-- Project homepage -->
354       <th class="navbar" align="right" width="100%">
355         <table border="0" cellpadding="0" cellspacing="0">
356           <tr><th class="navbar" align="center"
357             ><a class="navbar" target="_top" href="/">lxml API</a></th>
358           </tr></table></th>
359   </tr>
360 </table>
361 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
362   <tr>
363     <td align="left" class="footer">
364     Generated by Epydoc 3.0.1 on Tue Jul 31 10:14:18 2012
365     </td>
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369     </td>
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371 </table>
372
373 <script type="text/javascript">
374   <!--
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379   checkCookie();
380   // -->
381 </script>
382 </body>
383 </html>