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-
-<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
-<html><head><title>Python: module apiclient.ext.appengine</title>
-</head><body bgcolor="#f0f0f8">
-
-<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
-<tr bgcolor="#7799ee">
-<td valign=bottom>&nbsp;<br>
-<font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong><a href="apiclient.html"><font color="#ffffff">apiclient</font></a>.<a href="apiclient.ext.html"><font color="#ffffff">ext</font></a>.appengine</strong></big></big></font></td
-><td align=right valign=bottom
-><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/usr/local/google/home/jcgregorio/projects/apiclient-release/apiclient/ext/appengine.py">/usr/local/google/home/jcgregorio/projects/apiclient-release/apiclient/ext/appengine.py</a></font></td></tr></table>
- <p><tt>Utilities&nbsp;for&nbsp;Google&nbsp;App&nbsp;Engine<br>
-&nbsp;<br>
-Utilities&nbsp;for&nbsp;making&nbsp;it&nbsp;easier&nbsp;to&nbsp;use&nbsp;the<br>
-Google&nbsp;API&nbsp;Client&nbsp;for&nbsp;Python&nbsp;on&nbsp;Google&nbsp;App&nbsp;Engine.</tt></p>
-<p>
-<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
-<tr bgcolor="#aa55cc">
-<td colspan=3 valign=bottom>&nbsp;<br>
-<font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
-
-<tr><td bgcolor="#aa55cc"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
-<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="google.appengine.ext.db.html">google.appengine.ext.db</a><br>
-</td><td width="25%" valign=top><a href="pickle.html">pickle</a><br>
-</td><td width="25%" valign=top></td><td width="25%" valign=top></td></tr></table></td></tr></table><p>
-<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
-<tr bgcolor="#ee77aa">
-<td colspan=3 valign=bottom>&nbsp;<br>
-<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
-
-<tr><td bgcolor="#ee77aa"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
-<td width="100%"><dl>
-<dt><font face="helvetica, arial"><a href="__builtin__.html#object">__builtin__.object</a>
-</font></dt><dd>
-<dl>
-<dt><font face="helvetica, arial"><a href="apiclient.ext.appengine.html#StorageByKeyName">StorageByKeyName</a>
-</font></dt></dl>
-</dd>
-<dt><font face="helvetica, arial"><a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a>(<a href="__builtin__.html#object">__builtin__.object</a>)
-</font></dt><dd>
-<dl>
-<dt><font face="helvetica, arial"><a href="apiclient.ext.appengine.html#FlowThreeLeggedProperty">FlowThreeLeggedProperty</a>
-</font></dt><dt><font face="helvetica, arial"><a href="apiclient.ext.appengine.html#OAuthCredentialsProperty">OAuthCredentialsProperty</a>
-</font></dt></dl>
-</dd>
-</dl>
- <p>
-<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
-<tr bgcolor="#ffc8d8">
-<td colspan=3 valign=bottom>&nbsp;<br>
-<font color="#000000" face="helvetica, arial"><a name="FlowThreeLeggedProperty">class <strong>FlowThreeLeggedProperty</strong></a>(<a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a>)</font></td></tr>
-
-<tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
-<td colspan=2><tt>Utility&nbsp;property&nbsp;that&nbsp;allows&nbsp;easy<br>
-storage&nbsp;and&nbsp;retreival&nbsp;of&nbsp;an<br>
-apiclient.oauth.FlowThreeLegged<br>&nbsp;</tt></td></tr>
-<tr><td>&nbsp;</td>
-<td width="100%"><dl><dt>Method resolution order:</dt>
-<dd><a href="apiclient.ext.appengine.html#FlowThreeLeggedProperty">FlowThreeLeggedProperty</a></dd>
-<dd><a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a></dd>
-<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
-</dl>
-<hr>
-Methods defined here:<br>
-<dl><dt><a name="FlowThreeLeggedProperty-empty"><strong>empty</strong></a>(self, value)</dt></dl>
-
-<dl><dt><a name="FlowThreeLeggedProperty-get_value_for_datastore"><strong>get_value_for_datastore</strong></a>(self, model_instance)</dt><dd><tt>#&nbsp;For&nbsp;writing&nbsp;to&nbsp;datastore.</tt></dd></dl>
-
-<dl><dt><a name="FlowThreeLeggedProperty-make_value_from_datastore"><strong>make_value_from_datastore</strong></a>(self, value)</dt><dd><tt>#&nbsp;For&nbsp;reading&nbsp;from&nbsp;datastore.</tt></dd></dl>
-
-<dl><dt><a name="FlowThreeLeggedProperty-validate"><strong>validate</strong></a>(self, value)</dt></dl>
-
-<hr>
-Data and other attributes defined here:<br>
-<dl><dt><strong>data_type</strong> = &lt;class 'apiclient.oauth.FlowThreeLegged'&gt;<dd><tt>Does&nbsp;the&nbsp;Three&nbsp;Legged&nbsp;Dance&nbsp;for&nbsp;OAuth&nbsp;1.0a.</tt></dl>
-
-<hr>
-Methods inherited from <a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a>:<br>
-<dl><dt><a name="FlowThreeLeggedProperty-__get__"><strong>__get__</strong></a>(self, model_instance, model_class)</dt><dd><tt>Returns&nbsp;the&nbsp;value&nbsp;for&nbsp;this&nbsp;property&nbsp;on&nbsp;the&nbsp;given&nbsp;model&nbsp;instance.<br>
-&nbsp;<br>
-See&nbsp;<a href="http://docs.python.org/ref/descriptors.html">http://docs.python.org/ref/descriptors.html</a>&nbsp;for&nbsp;a&nbsp;description&nbsp;of<br>
-the&nbsp;arguments&nbsp;to&nbsp;this&nbsp;class&nbsp;and&nbsp;what&nbsp;they&nbsp;mean.</tt></dd></dl>
-
-<dl><dt><a name="FlowThreeLeggedProperty-__init__"><strong>__init__</strong></a>(self, verbose_name<font color="#909090">=None</font>, name<font color="#909090">=None</font>, default<font color="#909090">=None</font>, required<font color="#909090">=False</font>, validator<font color="#909090">=None</font>, choices<font color="#909090">=None</font>, indexed<font color="#909090">=True</font>)</dt><dd><tt>Initializes&nbsp;this&nbsp;<a href="google.appengine.ext.db.html#Property">Property</a>&nbsp;with&nbsp;the&nbsp;given&nbsp;options.<br>
-&nbsp;<br>
-Args:<br>
-&nbsp;&nbsp;verbose_name:&nbsp;User&nbsp;friendly&nbsp;name&nbsp;of&nbsp;property.<br>
-&nbsp;&nbsp;name:&nbsp;Storage&nbsp;name&nbsp;for&nbsp;property.&nbsp;&nbsp;By&nbsp;default,&nbsp;uses&nbsp;attribute&nbsp;name<br>
-&nbsp;&nbsp;&nbsp;&nbsp;as&nbsp;it&nbsp;is&nbsp;assigned&nbsp;in&nbsp;the&nbsp;Model&nbsp;sub-class.<br>
-&nbsp;&nbsp;default:&nbsp;Default&nbsp;value&nbsp;for&nbsp;property&nbsp;if&nbsp;none&nbsp;is&nbsp;assigned.<br>
-&nbsp;&nbsp;required:&nbsp;Whether&nbsp;property&nbsp;is&nbsp;required.<br>
-&nbsp;&nbsp;validator:&nbsp;User&nbsp;provided&nbsp;method&nbsp;used&nbsp;for&nbsp;validation.<br>
-&nbsp;&nbsp;choices:&nbsp;User&nbsp;provided&nbsp;set&nbsp;of&nbsp;valid&nbsp;property&nbsp;values.<br>
-&nbsp;&nbsp;indexed:&nbsp;Whether&nbsp;property&nbsp;is&nbsp;indexed.</tt></dd></dl>
-
-<dl><dt><a name="FlowThreeLeggedProperty-__property_config__"><strong>__property_config__</strong></a>(self, model_class, property_name)</dt><dd><tt>Configure&nbsp;property,&nbsp;connecting&nbsp;it&nbsp;to&nbsp;its&nbsp;model.<br>
-&nbsp;<br>
-Configure&nbsp;the&nbsp;property&nbsp;so&nbsp;that&nbsp;it&nbsp;knows&nbsp;its&nbsp;property&nbsp;name&nbsp;and&nbsp;what&nbsp;class<br>
-it&nbsp;belongs&nbsp;to.<br>
-&nbsp;<br>
-Args:<br>
-&nbsp;&nbsp;model_class:&nbsp;Model&nbsp;class&nbsp;which&nbsp;<a href="google.appengine.ext.db.html#Property">Property</a>&nbsp;will&nbsp;belong&nbsp;to.<br>
-&nbsp;&nbsp;property_name:&nbsp;Name&nbsp;of&nbsp;property&nbsp;within&nbsp;Model&nbsp;instance&nbsp;to&nbsp;store&nbsp;property<br>
-&nbsp;&nbsp;&nbsp;&nbsp;values&nbsp;in.&nbsp;&nbsp;By&nbsp;default&nbsp;this&nbsp;will&nbsp;be&nbsp;the&nbsp;property&nbsp;name&nbsp;preceded&nbsp;by<br>
-&nbsp;&nbsp;&nbsp;&nbsp;an&nbsp;underscore,&nbsp;but&nbsp;may&nbsp;change&nbsp;for&nbsp;different&nbsp;subclasses.</tt></dd></dl>
-
-<dl><dt><a name="FlowThreeLeggedProperty-__set__"><strong>__set__</strong></a>(self, model_instance, value)</dt><dd><tt>Sets&nbsp;the&nbsp;value&nbsp;for&nbsp;this&nbsp;property&nbsp;on&nbsp;the&nbsp;given&nbsp;model&nbsp;instance.<br>
-&nbsp;<br>
-See&nbsp;<a href="http://docs.python.org/ref/descriptors.html">http://docs.python.org/ref/descriptors.html</a>&nbsp;for&nbsp;a&nbsp;description&nbsp;of<br>
-the&nbsp;arguments&nbsp;to&nbsp;this&nbsp;class&nbsp;and&nbsp;what&nbsp;they&nbsp;mean.</tt></dd></dl>
-
-<dl><dt><a name="FlowThreeLeggedProperty-datastore_type"><strong>datastore_type</strong></a>(self)</dt><dd><tt>Deprecated&nbsp;backwards-compatible&nbsp;accessor&nbsp;method&nbsp;for&nbsp;self.<strong>data_type</strong>.</tt></dd></dl>
-
-<dl><dt><a name="FlowThreeLeggedProperty-default_value"><strong>default_value</strong></a>(self)</dt><dd><tt>Default&nbsp;value&nbsp;for&nbsp;unassigned&nbsp;values.<br>
-&nbsp;<br>
-Returns:<br>
-&nbsp;&nbsp;Default&nbsp;value&nbsp;as&nbsp;provided&nbsp;by&nbsp;<a href="#FlowThreeLeggedProperty-__init__">__init__</a>(default).</tt></dd></dl>
-
-<dl><dt><a name="FlowThreeLeggedProperty-get_updated_value_for_datastore"><strong>get_updated_value_for_datastore</strong></a>(self, model_instance)</dt><dd><tt>Determine&nbsp;new&nbsp;value&nbsp;for&nbsp;auto-updated&nbsp;property.<br>
-&nbsp;<br>
-Some&nbsp;properies&nbsp;(e.g.&nbsp;DateTimeProperty,&nbsp;UserProperty)&nbsp;optionally&nbsp;update&nbsp;their<br>
-value&nbsp;on&nbsp;every&nbsp;put().&nbsp;This&nbsp;call&nbsp;must&nbsp;return&nbsp;the&nbsp;new&nbsp;desired&nbsp;value&nbsp;for&nbsp;such<br>
-properties.&nbsp;For&nbsp;all&nbsp;other&nbsp;properties,&nbsp;this&nbsp;call&nbsp;must&nbsp;return<br>
-AUTO_UPDATE_UNCHANGED.<br>
-&nbsp;<br>
-Args:<br>
-&nbsp;&nbsp;model_instance:&nbsp;Instance&nbsp;to&nbsp;get&nbsp;new&nbsp;value&nbsp;for.<br>
-&nbsp;<br>
-Returns:<br>
-&nbsp;&nbsp;Datastore&nbsp;representation&nbsp;of&nbsp;the&nbsp;new&nbsp;model&nbsp;value&nbsp;in&nbsp;a&nbsp;form&nbsp;that&nbsp;is<br>
-&nbsp;&nbsp;appropriate&nbsp;for&nbsp;storing&nbsp;in&nbsp;the&nbsp;datastore,&nbsp;or&nbsp;AUTO_UPDATE_UNCHANGED.</tt></dd></dl>
-
-<hr>
-Data descriptors inherited from <a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a>:<br>
-<dl><dt><strong>__dict__</strong></dt>
-<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
-</dl>
-<dl><dt><strong>__weakref__</strong></dt>
-<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
-</dl>
-<hr>
-Data and other attributes inherited from <a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a>:<br>
-<dl><dt><strong>creation_counter</strong> = 0</dl>
-
-</td></tr></table> <p>
-<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
-<tr bgcolor="#ffc8d8">
-<td colspan=3 valign=bottom>&nbsp;<br>
-<font color="#000000" face="helvetica, arial"><a name="OAuthCredentialsProperty">class <strong>OAuthCredentialsProperty</strong></a>(<a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a>)</font></td></tr>
-
-<tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
-<td colspan=2><tt>Utility&nbsp;property&nbsp;that&nbsp;allows&nbsp;easy<br>
-storage&nbsp;and&nbsp;retrieval&nbsp;of<br>
-apiclient.oath.OAuthCredentials<br>&nbsp;</tt></td></tr>
-<tr><td>&nbsp;</td>
-<td width="100%"><dl><dt>Method resolution order:</dt>
-<dd><a href="apiclient.ext.appengine.html#OAuthCredentialsProperty">OAuthCredentialsProperty</a></dd>
-<dd><a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a></dd>
-<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
-</dl>
-<hr>
-Methods defined here:<br>
-<dl><dt><a name="OAuthCredentialsProperty-empty"><strong>empty</strong></a>(self, value)</dt></dl>
-
-<dl><dt><a name="OAuthCredentialsProperty-get_value_for_datastore"><strong>get_value_for_datastore</strong></a>(self, model_instance)</dt><dd><tt>#&nbsp;For&nbsp;writing&nbsp;to&nbsp;datastore.</tt></dd></dl>
-
-<dl><dt><a name="OAuthCredentialsProperty-make_value_from_datastore"><strong>make_value_from_datastore</strong></a>(self, value)</dt><dd><tt>#&nbsp;For&nbsp;reading&nbsp;from&nbsp;datastore.</tt></dd></dl>
-
-<dl><dt><a name="OAuthCredentialsProperty-validate"><strong>validate</strong></a>(self, value)</dt></dl>
-
-<hr>
-Data and other attributes defined here:<br>
-<dl><dt><strong>data_type</strong> = &lt;class 'apiclient.oauth.OAuthCredentials'&gt;<dd><tt>Credentials&nbsp;<a href="__builtin__.html#object">object</a>&nbsp;for&nbsp;OAuth&nbsp;1.0a</tt></dl>
-
-<hr>
-Methods inherited from <a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a>:<br>
-<dl><dt><a name="OAuthCredentialsProperty-__get__"><strong>__get__</strong></a>(self, model_instance, model_class)</dt><dd><tt>Returns&nbsp;the&nbsp;value&nbsp;for&nbsp;this&nbsp;property&nbsp;on&nbsp;the&nbsp;given&nbsp;model&nbsp;instance.<br>
-&nbsp;<br>
-See&nbsp;<a href="http://docs.python.org/ref/descriptors.html">http://docs.python.org/ref/descriptors.html</a>&nbsp;for&nbsp;a&nbsp;description&nbsp;of<br>
-the&nbsp;arguments&nbsp;to&nbsp;this&nbsp;class&nbsp;and&nbsp;what&nbsp;they&nbsp;mean.</tt></dd></dl>
-
-<dl><dt><a name="OAuthCredentialsProperty-__init__"><strong>__init__</strong></a>(self, verbose_name<font color="#909090">=None</font>, name<font color="#909090">=None</font>, default<font color="#909090">=None</font>, required<font color="#909090">=False</font>, validator<font color="#909090">=None</font>, choices<font color="#909090">=None</font>, indexed<font color="#909090">=True</font>)</dt><dd><tt>Initializes&nbsp;this&nbsp;<a href="google.appengine.ext.db.html#Property">Property</a>&nbsp;with&nbsp;the&nbsp;given&nbsp;options.<br>
-&nbsp;<br>
-Args:<br>
-&nbsp;&nbsp;verbose_name:&nbsp;User&nbsp;friendly&nbsp;name&nbsp;of&nbsp;property.<br>
-&nbsp;&nbsp;name:&nbsp;Storage&nbsp;name&nbsp;for&nbsp;property.&nbsp;&nbsp;By&nbsp;default,&nbsp;uses&nbsp;attribute&nbsp;name<br>
-&nbsp;&nbsp;&nbsp;&nbsp;as&nbsp;it&nbsp;is&nbsp;assigned&nbsp;in&nbsp;the&nbsp;Model&nbsp;sub-class.<br>
-&nbsp;&nbsp;default:&nbsp;Default&nbsp;value&nbsp;for&nbsp;property&nbsp;if&nbsp;none&nbsp;is&nbsp;assigned.<br>
-&nbsp;&nbsp;required:&nbsp;Whether&nbsp;property&nbsp;is&nbsp;required.<br>
-&nbsp;&nbsp;validator:&nbsp;User&nbsp;provided&nbsp;method&nbsp;used&nbsp;for&nbsp;validation.<br>
-&nbsp;&nbsp;choices:&nbsp;User&nbsp;provided&nbsp;set&nbsp;of&nbsp;valid&nbsp;property&nbsp;values.<br>
-&nbsp;&nbsp;indexed:&nbsp;Whether&nbsp;property&nbsp;is&nbsp;indexed.</tt></dd></dl>
-
-<dl><dt><a name="OAuthCredentialsProperty-__property_config__"><strong>__property_config__</strong></a>(self, model_class, property_name)</dt><dd><tt>Configure&nbsp;property,&nbsp;connecting&nbsp;it&nbsp;to&nbsp;its&nbsp;model.<br>
-&nbsp;<br>
-Configure&nbsp;the&nbsp;property&nbsp;so&nbsp;that&nbsp;it&nbsp;knows&nbsp;its&nbsp;property&nbsp;name&nbsp;and&nbsp;what&nbsp;class<br>
-it&nbsp;belongs&nbsp;to.<br>
-&nbsp;<br>
-Args:<br>
-&nbsp;&nbsp;model_class:&nbsp;Model&nbsp;class&nbsp;which&nbsp;<a href="google.appengine.ext.db.html#Property">Property</a>&nbsp;will&nbsp;belong&nbsp;to.<br>
-&nbsp;&nbsp;property_name:&nbsp;Name&nbsp;of&nbsp;property&nbsp;within&nbsp;Model&nbsp;instance&nbsp;to&nbsp;store&nbsp;property<br>
-&nbsp;&nbsp;&nbsp;&nbsp;values&nbsp;in.&nbsp;&nbsp;By&nbsp;default&nbsp;this&nbsp;will&nbsp;be&nbsp;the&nbsp;property&nbsp;name&nbsp;preceded&nbsp;by<br>
-&nbsp;&nbsp;&nbsp;&nbsp;an&nbsp;underscore,&nbsp;but&nbsp;may&nbsp;change&nbsp;for&nbsp;different&nbsp;subclasses.</tt></dd></dl>
-
-<dl><dt><a name="OAuthCredentialsProperty-__set__"><strong>__set__</strong></a>(self, model_instance, value)</dt><dd><tt>Sets&nbsp;the&nbsp;value&nbsp;for&nbsp;this&nbsp;property&nbsp;on&nbsp;the&nbsp;given&nbsp;model&nbsp;instance.<br>
-&nbsp;<br>
-See&nbsp;<a href="http://docs.python.org/ref/descriptors.html">http://docs.python.org/ref/descriptors.html</a>&nbsp;for&nbsp;a&nbsp;description&nbsp;of<br>
-the&nbsp;arguments&nbsp;to&nbsp;this&nbsp;class&nbsp;and&nbsp;what&nbsp;they&nbsp;mean.</tt></dd></dl>
-
-<dl><dt><a name="OAuthCredentialsProperty-datastore_type"><strong>datastore_type</strong></a>(self)</dt><dd><tt>Deprecated&nbsp;backwards-compatible&nbsp;accessor&nbsp;method&nbsp;for&nbsp;self.<strong>data_type</strong>.</tt></dd></dl>
-
-<dl><dt><a name="OAuthCredentialsProperty-default_value"><strong>default_value</strong></a>(self)</dt><dd><tt>Default&nbsp;value&nbsp;for&nbsp;unassigned&nbsp;values.<br>
-&nbsp;<br>
-Returns:<br>
-&nbsp;&nbsp;Default&nbsp;value&nbsp;as&nbsp;provided&nbsp;by&nbsp;<a href="#OAuthCredentialsProperty-__init__">__init__</a>(default).</tt></dd></dl>
-
-<dl><dt><a name="OAuthCredentialsProperty-get_updated_value_for_datastore"><strong>get_updated_value_for_datastore</strong></a>(self, model_instance)</dt><dd><tt>Determine&nbsp;new&nbsp;value&nbsp;for&nbsp;auto-updated&nbsp;property.<br>
-&nbsp;<br>
-Some&nbsp;properies&nbsp;(e.g.&nbsp;DateTimeProperty,&nbsp;UserProperty)&nbsp;optionally&nbsp;update&nbsp;their<br>
-value&nbsp;on&nbsp;every&nbsp;put().&nbsp;This&nbsp;call&nbsp;must&nbsp;return&nbsp;the&nbsp;new&nbsp;desired&nbsp;value&nbsp;for&nbsp;such<br>
-properties.&nbsp;For&nbsp;all&nbsp;other&nbsp;properties,&nbsp;this&nbsp;call&nbsp;must&nbsp;return<br>
-AUTO_UPDATE_UNCHANGED.<br>
-&nbsp;<br>
-Args:<br>
-&nbsp;&nbsp;model_instance:&nbsp;Instance&nbsp;to&nbsp;get&nbsp;new&nbsp;value&nbsp;for.<br>
-&nbsp;<br>
-Returns:<br>
-&nbsp;&nbsp;Datastore&nbsp;representation&nbsp;of&nbsp;the&nbsp;new&nbsp;model&nbsp;value&nbsp;in&nbsp;a&nbsp;form&nbsp;that&nbsp;is<br>
-&nbsp;&nbsp;appropriate&nbsp;for&nbsp;storing&nbsp;in&nbsp;the&nbsp;datastore,&nbsp;or&nbsp;AUTO_UPDATE_UNCHANGED.</tt></dd></dl>
-
-<hr>
-Data descriptors inherited from <a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a>:<br>
-<dl><dt><strong>__dict__</strong></dt>
-<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
-</dl>
-<dl><dt><strong>__weakref__</strong></dt>
-<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
-</dl>
-<hr>
-Data and other attributes inherited from <a href="google.appengine.ext.db.html#Property">google.appengine.ext.db.Property</a>:<br>
-<dl><dt><strong>creation_counter</strong> = 0</dl>
-
-</td></tr></table> <p>
-<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
-<tr bgcolor="#ffc8d8">
-<td colspan=3 valign=bottom>&nbsp;<br>
-<font color="#000000" face="helvetica, arial"><a name="StorageByKeyName">class <strong>StorageByKeyName</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
-
-<tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
-<td colspan=2><tt>Store&nbsp;and&nbsp;retrieve&nbsp;a&nbsp;single&nbsp;credential&nbsp;to&nbsp;and&nbsp;from<br>
-the&nbsp;App&nbsp;Engine&nbsp;datastore.<br>
-&nbsp;<br>
-This&nbsp;Storage&nbsp;helper&nbsp;presumes&nbsp;the&nbsp;Credentials<br>
-have&nbsp;been&nbsp;stored&nbsp;as&nbsp;a&nbsp;CredenialsProperty<br>
-on&nbsp;a&nbsp;datastore&nbsp;model&nbsp;class,&nbsp;and&nbsp;that&nbsp;entities<br>
-are&nbsp;stored&nbsp;by&nbsp;key_name.<br>&nbsp;</tt></td></tr>
-<tr><td>&nbsp;</td>
-<td width="100%">Methods defined here:<br>
-<dl><dt><a name="StorageByKeyName-__init__"><strong>__init__</strong></a>(self, model, key_name, property_name)</dt><dd><tt>Constructor&nbsp;for&nbsp;Storage.<br>
-&nbsp;<br>
-Args:<br>
-&nbsp;&nbsp;model:&nbsp;db.Model,&nbsp;model&nbsp;class<br>
-&nbsp;&nbsp;key_name:&nbsp;string,&nbsp;key&nbsp;name&nbsp;for&nbsp;the&nbsp;entity&nbsp;that&nbsp;has&nbsp;the&nbsp;credentials<br>
-&nbsp;&nbsp;property_name:&nbsp;string,&nbsp;name&nbsp;of&nbsp;the&nbsp;property&nbsp;that&nbsp;is&nbsp;a&nbsp;CredentialsProperty</tt></dd></dl>
-
-<dl><dt><a name="StorageByKeyName-get"><strong>get</strong></a>(self)</dt><dd><tt>Retrieve&nbsp;Credential&nbsp;from&nbsp;datastore.<br>
-&nbsp;<br>
-Returns:<br>
-&nbsp;&nbsp;Credentials</tt></dd></dl>
-
-<dl><dt><a name="StorageByKeyName-put"><strong>put</strong></a>(self, credentials)</dt><dd><tt>Write&nbsp;a&nbsp;Credentials&nbsp;to&nbsp;the&nbsp;datastore.<br>
-&nbsp;<br>
-Args:<br>
-&nbsp;&nbsp;credentials:&nbsp;Credentials,&nbsp;the&nbsp;credentials&nbsp;to&nbsp;store.</tt></dd></dl>
-
-<hr>
-Data descriptors defined here:<br>
-<dl><dt><strong>__dict__</strong></dt>
-<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
-</dl>
-<dl><dt><strong>__weakref__</strong></dt>
-<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
-</dl>
-</td></tr></table></td></tr></table><p>
-<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
-<tr bgcolor="#55aa55">
-<td colspan=3 valign=bottom>&nbsp;<br>
-<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr>
-
-<tr><td bgcolor="#55aa55"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
-<td width="100%"><strong>__author__</strong> = 'jcgregorio@google.com (Joe Gregorio)'</td></tr></table><p>
-<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
-<tr bgcolor="#7799ee">
-<td colspan=3 valign=bottom>&nbsp;<br>
-<font color="#ffffff" face="helvetica, arial"><big><strong>Author</strong></big></font></td></tr>
-
-<tr><td bgcolor="#7799ee"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
-<td width="100%">jcgregorio@google.com&nbsp;(Joe&nbsp;Gregorio)</td></tr></table>
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