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        <a href="oauth2client-module.html">Package oauth2client</a> ::
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        Class CredentialsNDBProperty
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<!-- ==================== CLASS DESCRIPTION ==================== -->
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<h1 class="epydoc">Class CredentialsNDBProperty</h1><p class="nomargin-top"><span class="codelink"><a href="oauth2client.appengine-pysrc.html#CredentialsNDBProperty">source code</a></span></p>
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<area shape="rect" id="node1" href="oauth2client.appengine.CredentialsNDBProperty-class.html" title="App Engine NDB datastore Property for Credentials." alt="" coords="5,67,175,109"/>
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<pre class="literalblock">
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App Engine NDB datastore Property for Credentials.
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Serves the same purpose as the DB CredentialsProperty, but for NDB models.
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Since CredentialsProperty stores data as a blob and this inherits from
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BlobProperty, the data in the datastore will be the same as in the DB case.
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Utility property that allows easy storage and retrieval of Credentials and
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subclasses.
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</pre>
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<!-- ==================== INSTANCE METHODS ==================== -->
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<a name="section-InstanceMethods"></a>
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      <span class="summary-type"> </span>
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          <td><span class="summary-sig"><a href="oauth2client.appengine.CredentialsNDBProperty-class.html#_validate" class="summary-sig-name" onclick="show_private();">_validate</a>(<span class="summary-sig-arg">self</span>,
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        <span class="summary-sig-arg">value</span>)</span><br />
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      Validates a value as a proper credentials object.</td>
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          <td align="right" valign="top">
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            <span class="codelink"><a href="oauth2client.appengine-pysrc.html#CredentialsNDBProperty._validate">source code</a></span>
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      <span class="summary-type"> </span>
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        <tr>
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          <td><span class="summary-sig"><a href="oauth2client.appengine.CredentialsNDBProperty-class.html#_to_base_type" class="summary-sig-name" onclick="show_private();">_to_base_type</a>(<span class="summary-sig-arg">self</span>,
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        <span class="summary-sig-arg">value</span>)</span><br />
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      Converts our validated value to a JSON serialized string.</td>
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          <td align="right" valign="top">
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            <span class="codelink"><a href="oauth2client.appengine-pysrc.html#CredentialsNDBProperty._to_base_type">source code</a></span>
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      <span class="summary-type"> </span>
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        <tr>
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          <td><span class="summary-sig"><a href="oauth2client.appengine.CredentialsNDBProperty-class.html#_from_base_type" class="summary-sig-name" onclick="show_private();">_from_base_type</a>(<span class="summary-sig-arg">self</span>,
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        <span class="summary-sig-arg">value</span>)</span><br />
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      Converts our stored JSON string back to the desired type.</td>
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          <td align="right" valign="top">
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            <span class="codelink"><a href="oauth2client.appengine-pysrc.html#CredentialsNDBProperty._from_base_type">source code</a></span>
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  <h3 class="epydoc"><span class="sig"><span class="sig-name">_validate</span>(<span class="sig-arg">self</span>,
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        <span class="sig-arg">value</span>)</span>
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  </td><td align="right" valign="top"
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    ><span class="codelink"><a href="oauth2client.appengine-pysrc.html#CredentialsNDBProperty._validate">source code</a></span> 
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  <pre class="literalblock">
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Validates a value as a proper credentials object.
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Args:
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  value: A value to be set on the property.
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Raises:
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  TypeError if the value is not an instance of Credentials.
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</pre>
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<a name="_to_base_type"></a>
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  <h3 class="epydoc"><span class="sig"><span class="sig-name">_to_base_type</span>(<span class="sig-arg">self</span>,
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        <span class="sig-arg">value</span>)</span>
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  </h3>
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  </td><td align="right" valign="top"
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    ><span class="codelink"><a href="oauth2client.appengine-pysrc.html#CredentialsNDBProperty._to_base_type">source code</a></span> 
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    </td>
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  </tr></table>
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  <pre class="literalblock">
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Converts our validated value to a JSON serialized string.
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Args:
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  value: A value to be set in the datastore.
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Returns:
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  A JSON serialized version of the credential, else '' if value is None.
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</pre>
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  <dl class="fields">
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</td></tr></table>
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<a name="_from_base_type"></a>
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       cellspacing="0" width="100%" bgcolor="white">
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  <h3 class="epydoc"><span class="sig"><span class="sig-name">_from_base_type</span>(<span class="sig-arg">self</span>,
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        <span class="sig-arg">value</span>)</span>
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  </h3>
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  </td><td align="right" valign="top"
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    ><span class="codelink"><a href="oauth2client.appengine-pysrc.html#CredentialsNDBProperty._from_base_type">source code</a></span> 
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    </td>
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  </tr></table>
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  <pre class="literalblock">
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Converts our stored JSON string back to the desired type.
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Args:
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  value: A value from the datastore to be converted to the desired type.
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Returns:
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  A deserialized Credentials (or subclass) object, else None if the
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      value can't be parsed.
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</pre>
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