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<a href="lxml-module.html">Package lxml</a> ::
<a href="lxml.objectify-module.html">Module objectify</a> ::
Class PyType
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class PyType</h1><p class="nomargin-top"></p>
<pre class="base-tree">
object --+
|
<strong class="uidshort">PyType</strong>
</pre>
<hr />
<p>PyType(self, name, type_check, type_class, stringify=None)
User defined type.</p>
<p>Named type that contains a type check function, a type class that
inherits from ObjectifiedDataElement and an optional "stringification"
function. The type check must take a string as argument and raise
ValueError or TypeError if it cannot handle the string value. It may be
None in which case it is not considered for type guessing. For registered
named types, the 'stringify' function (or unicode() if None) is used to
convert a Python object with type name 'name' to the string representation
stored in the XML tree.</p>
<p>Example:</p>
<pre class="rst-literal-block">
PyType('int', int, MyIntClass).register()
</pre>
<p>Note that the order in which types are registered matters. The first
matching type will be used.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="lxml.objectify.PyType-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">name</span>,
<span class="summary-sig-arg">type_check</span>,
<span class="summary-sig-arg">type_class</span>,
<span class="summary-sig-arg">stringify</span>=<span class="summary-sig-default">None</span>)</span><br />
x.__init__(...) initializes x; see help(type(x)) for signature</td>
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<span class="summary-type">a new object with type S, a subtype of T</span>
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<td><span class="summary-sig"><a href="lxml.objectify.PyType-class.html#__new__" class="summary-sig-name">__new__</a>(<span class="summary-sig-arg">T</span>,
<span class="summary-sig-arg">S</span>,
<span class="summary-sig-arg">...</span>)</span></td>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="lxml.objectify.PyType-class.html#__repr__" class="summary-sig-name">__repr__</a>(<span class="summary-sig-arg">x</span>)</span><br />
repr(x)</td>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="lxml.objectify.PyType-class.html#register" class="summary-sig-name">register</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">before</span>=<span class="summary-sig-default">None</span>,
<span class="summary-sig-arg">after</span>=<span class="summary-sig-default">None</span>)</span><br />
Register the type.</td>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a name="unregister"></a><span class="summary-sig-name">unregister</span>(<span class="summary-sig-arg">self</span>)</span></td>
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
<code>__format__</code>,
<code>__getattribute__</code>,
<code>__hash__</code>,
<code>__reduce__</code>,
<code>__reduce_ex__</code>,
<code>__setattr__</code>,
<code>__sizeof__</code>,
<code>__str__</code>,
<code>__subclasshook__</code>
</p>
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<span class="summary-type"> </span>
</td><td class="summary">
<a name="name"></a><span class="summary-name">name</span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<a name="stringify"></a><span class="summary-name">stringify</span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<a name="type_check"></a><span class="summary-name">type_check</span>
</td>
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<span class="summary-type"> </span>
</td><td class="summary">
<a href="lxml.objectify.PyType-class.html#xmlSchemaTypes" class="summary-name">xmlSchemaTypes</a><br />
The list of XML Schema datatypes this Python type maps to.
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__class__</code>
</p>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">name</span>,
<span class="sig-arg">type_check</span>,
<span class="sig-arg">type_class</span>,
<span class="sig-arg">stringify</span>=<span class="sig-default">None</span>)</span>
<br /><em class="fname">(Constructor)</em>
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x.__init__(...) initializes x; see help(type(x)) for signature
<dl class="fields">
<dt>Overrides:
object.__init__
</dt>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__new__</span>(<span class="sig-arg">T</span>,
<span class="sig-arg">S</span>,
<span class="sig-arg">...</span>)</span>
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<dl class="fields">
<dt>Returns: a new object with type S, a subtype of T</dt>
<dt>Overrides:
object.__new__
</dt>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__repr__</span>(<span class="sig-arg">x</span>)</span>
<br /><em class="fname">(Representation operator)</em>
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repr(x)
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<dt>Overrides:
object.__repr__
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<h3 class="epydoc"><span class="sig"><span class="sig-name">register</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">before</span>=<span class="sig-default">None</span>,
<span class="sig-arg">after</span>=<span class="sig-default">None</span>)</span>
</h3>
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>
</td>
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<p>Register the type.</p>
<p>The additional keyword arguments 'before' and 'after' accept a
sequence of type names that must appear before/after the new type in
the type list. If any of them is not currently known, it is simply
ignored. Raises ValueError if the dependencies cannot be fulfilled.</p>
<dl class="fields">
</dl>
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<br />
<!-- ==================== PROPERTY DETAILS ==================== -->
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<h3 class="epydoc">xmlSchemaTypes</h3>
<p>The list of XML Schema datatypes this Python type maps to.</p>
<p>Note that this must be set before registering the type!</p>
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