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| google :: |
| appengine :: |
| ext :: |
| db :: |
| PropertiedClass :: |
| Class PropertiedClass |
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| <!-- ==================== TYPE DESCRIPTION ==================== --> |
| <h1 class="epydoc">Type PropertiedClass</h1><p class="nomargin-top"></p> |
| <center> |
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| <pre class="literalblock"> |
| Meta-class for initializing Model classes properties. |
| |
| Used for initializing Properties defined in the context of a model. |
| By using a meta-class much of the configuration of a Property |
| descriptor becomes implicit. By using this meta-class, descriptors |
| that are of class Model are notified about which class they |
| belong to and what attribute they are associated with and can |
| do appropriate initialization via __property_config__. |
| |
| Duplicate properties are not permitted. |
| |
| </pre> |
| |
| <!-- ==================== INSTANCE METHODS ==================== --> |
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| <span class="summary-type"><pre class="literalblock"> |
| the object's type |
| |
| </pre></span> |
| </td><td class="summary"> |
| <table width="100%" cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td><span class="summary-sig"><a href="google.appengine.ext.db.PropertiedClass-class.html#__init__" class="summary-sig-name">__init__</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">dct</span>, |
| <span class="summary-sig-arg">map_kind</span>=<span class="summary-sig-default">True</span>)</span><br /> |
| Initializes a class that might have property definitions.</td> |
| <td align="right" valign="top"> |
| |
| |
| </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>__le__</code>, |
| <code>__lt__</code>, |
| <code>__ne__</code>, |
| <code>__new__</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> |
| <!-- ==================== PROPERTIES ==================== --> |
| <a name="section-Properties"></a> |
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| <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> |
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| </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 ==================== --> |
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| <a name="__init__"></a> |
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| <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">cls</span>, |
| <span class="sig-arg">name</span>, |
| <span class="sig-arg">bases</span>, |
| <span class="sig-arg">dct</span>, |
| <span class="sig-arg">map_kind</span>=<span class="sig-default">True</span>)</span> |
| <br /><em class="fname">(Constructor)</em> |
| </h3> |
| </td><td align="right" valign="top" |
| > |
| </td> |
| </tr></table> |
| |
| <pre class="literalblock"> |
| Initializes a class that might have property definitions. |
| |
| This method is called when a class is created with the PropertiedClass |
| meta-class. |
| |
| Loads all properties for this model and its base classes in to a dictionary |
| for easy reflection via the 'properties' method. |
| |
| Configures each property defined in the new class. |
| |
| Duplicate properties, either defined in the new class or defined separately |
| in two base classes are not permitted. |
| |
| Properties may not assigned to names which are in the list of |
| _RESERVED_WORDS. It is still possible to store a property using a reserved |
| word in the datastore by using the 'name' keyword argument to the Property |
| constructor. |
| |
| Args: |
| cls: Class being initialized. |
| name: Name of new class. |
| bases: Base classes of new class. |
| dct: Dictionary of new definitions for class. |
| |
| Raises: |
| DuplicatePropertyError when a property is duplicated either in the new |
| class or separately in two base classes. |
| ReservedWordError when a property is given a name that is in the list of |
| reserved words, attributes of Model and names of the form '__.*__'. |
| |
| </pre> |
| <dl class="fields"> |
| <dt>Returns: <pre class="literalblock"> |
| the object's type |
| |
| </pre></dt> |
| <dt>Overrides: |
| object.__init__ |
| </dt> |
| </dl> |
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