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  <div class="section" id="api">
<h1>API<a class="headerlink" href="#api" title="Permalink to this headline"></a></h1>
<div class="section" id="storage">
<h2>Storage<a class="headerlink" href="#storage" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="limits.storage.Storage">
<em class="property">class </em><code class="descclassname">limits.storage.</code><code class="descname">Storage</code><span class="sig-paren">(</span><em>uri=None</em>, <em>**options</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#Storage"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.Storage" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>Base class to extend when implementing a storage backend.</p>
<dl class="method">
<dt id="limits.storage.Storage.check">
<code class="descname">check</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#Storage.check"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.Storage.check" title="Permalink to this definition"></a></dt>
<dd><p>check if storage is healthy</p>
</dd></dl>

<dl class="method">
<dt id="limits.storage.Storage.get">
<code class="descname">get</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#Storage.get"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.Storage.get" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the counter value for</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.Storage.get_expiry">
<code class="descname">get_expiry</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#Storage.get_expiry"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.Storage.get_expiry" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the expiry for</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.Storage.incr">
<code class="descname">incr</code><span class="sig-paren">(</span><em>key</em>, <em>expiry</em>, <em>elastic_expiry=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#Storage.incr"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.Storage.incr" title="Permalink to this definition"></a></dt>
<dd><p>increments the counter for a given rate limit key</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>key</strong> (<em>str</em>) &#8211; the key to increment</li>
<li><strong>expiry</strong> (<em>int</em>) &#8211; amount in seconds for the key to expire in</li>
<li><strong>elastic_expiry</strong> (<em>bool</em>) &#8211; whether to keep extending the rate limit
window every hit.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.Storage.reset">
<code class="descname">reset</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#Storage.reset"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.Storage.reset" title="Permalink to this definition"></a></dt>
<dd><p>reset storage to clear limits</p>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="limits.storage.MemoryStorage">
<em class="property">class </em><code class="descclassname">limits.storage.</code><code class="descname">MemoryStorage</code><span class="sig-paren">(</span><em>uri=None</em>, <em>**_</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemoryStorage"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemoryStorage" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#limits.storage.Storage" title="limits.storage.Storage"><code class="xref py py-class docutils literal"><span class="pre">limits.storage.Storage</span></code></a></p>
<p>rate limit storage using <code class="xref py py-class docutils literal"><span class="pre">collections.Counter</span></code>
as an in memory storage for fixed and elastic window strategies,
and a simple list to implement moving window strategy.</p>
<dl class="method">
<dt id="limits.storage.MemoryStorage.acquire_entry">
<code class="descname">acquire_entry</code><span class="sig-paren">(</span><em>key</em>, <em>limit</em>, <em>expiry</em>, <em>no_add=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemoryStorage.acquire_entry"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemoryStorage.acquire_entry" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>key</strong> (<em>str</em>) &#8211; rate limit key to acquire an entry in</li>
<li><strong>limit</strong> (<em>int</em>) &#8211; amount of entries allowed</li>
<li><strong>expiry</strong> (<em>int</em>) &#8211; expiry of the entry</li>
<li><strong>no_add</strong> (<em>bool</em>) &#8211; if False an entry is not actually acquired but instead
serves as a &#8216;check&#8217;</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">True/False</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemoryStorage.check">
<code class="descname">check</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemoryStorage.check"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemoryStorage.check" title="Permalink to this definition"></a></dt>
<dd><p>check if storage is healthy</p>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemoryStorage.get">
<code class="descname">get</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemoryStorage.get"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemoryStorage.get" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the counter value for</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemoryStorage.get_expiry">
<code class="descname">get_expiry</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemoryStorage.get_expiry"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemoryStorage.get_expiry" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the expiry for</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemoryStorage.get_moving_window">
<code class="descname">get_moving_window</code><span class="sig-paren">(</span><em>key</em>, <em>limit</em>, <em>expiry</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemoryStorage.get_moving_window"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemoryStorage.get_moving_window" title="Permalink to this definition"></a></dt>
<dd><p>returns the starting point and the number of entries in the moving window</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>key</strong> (<em>str</em>) &#8211; rate limit key</li>
<li><strong>expiry</strong> (<em>int</em>) &#8211; expiry of entry</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemoryStorage.get_num_acquired">
<code class="descname">get_num_acquired</code><span class="sig-paren">(</span><em>key</em>, <em>expiry</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemoryStorage.get_num_acquired"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemoryStorage.get_num_acquired" title="Permalink to this definition"></a></dt>
<dd><p>returns the number of entries already acquired</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>key</strong> (<em>str</em>) &#8211; rate limit key to acquire an entry in</li>
<li><strong>expiry</strong> (<em>int</em>) &#8211; expiry of the entry</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemoryStorage.incr">
<code class="descname">incr</code><span class="sig-paren">(</span><em>key</em>, <em>expiry</em>, <em>elastic_expiry=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemoryStorage.incr"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemoryStorage.incr" title="Permalink to this definition"></a></dt>
<dd><p>increments the counter for a given rate limit key</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>key</strong> (<em>str</em>) &#8211; the key to increment</li>
<li><strong>expiry</strong> (<em>int</em>) &#8211; amount in seconds for the key to expire in</li>
<li><strong>elastic_expiry</strong> (<em>bool</em>) &#8211; whether to keep extending the rate limit
window every hit.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="limits.storage.RedisStorage">
<em class="property">class </em><code class="descclassname">limits.storage.</code><code class="descname">RedisStorage</code><span class="sig-paren">(</span><em>uri</em>, <em>**_</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisStorage"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisStorage" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">limits.storage.RedisInteractor</span></code>, <a class="reference internal" href="#limits.storage.Storage" title="limits.storage.Storage"><code class="xref py py-class docutils literal"><span class="pre">limits.storage.Storage</span></code></a></p>
<p>rate limit storage with redis as backend</p>
<dl class="method">
<dt id="limits.storage.RedisStorage.acquire_entry">
<code class="descname">acquire_entry</code><span class="sig-paren">(</span><em>key</em>, <em>limit</em>, <em>expiry</em>, <em>no_add=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisStorage.acquire_entry"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisStorage.acquire_entry" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>key</strong> (<em>str</em>) &#8211; rate limit key to acquire an entry in</li>
<li><strong>limit</strong> (<em>int</em>) &#8211; amount of entries allowed</li>
<li><strong>expiry</strong> (<em>int</em>) &#8211; expiry of the entry</li>
<li><strong>no_add</strong> (<em>bool</em>) &#8211; if False an entry is not actually acquired but instead
serves as a &#8216;check&#8217;</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">True/False</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.RedisStorage.check">
<code class="descname">check</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisStorage.check"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisStorage.check" title="Permalink to this definition"></a></dt>
<dd><p>check if storage is healthy</p>
</dd></dl>

<dl class="method">
<dt id="limits.storage.RedisStorage.get">
<code class="descname">get</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisStorage.get"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisStorage.get" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the counter value for</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.RedisStorage.get_expiry">
<code class="descname">get_expiry</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisStorage.get_expiry"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisStorage.get_expiry" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the expiry for</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.RedisStorage.incr">
<code class="descname">incr</code><span class="sig-paren">(</span><em>key</em>, <em>expiry</em>, <em>elastic_expiry=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisStorage.incr"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisStorage.incr" title="Permalink to this definition"></a></dt>
<dd><p>increments the counter for a given rate limit key</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>key</strong> (<em>str</em>) &#8211; the key to increment</li>
<li><strong>expiry</strong> (<em>int</em>) &#8211; amount in seconds for the key to expire in</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.RedisStorage.reset">
<code class="descname">reset</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisStorage.reset"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisStorage.reset" title="Permalink to this definition"></a></dt>
<dd><p>WARNING, this operation was designed to be fast, but was not tested
on a large production based system. Be careful with its usage as it
could be slow on very large data sets.</p>
<p>This function calls a Lua Script to delete keys prefixed with &#8216;LIMITER&#8217;
in block of 5000.</p>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="limits.storage.RedisSentinelStorage">
<em class="property">class </em><code class="descclassname">limits.storage.</code><code class="descname">RedisSentinelStorage</code><span class="sig-paren">(</span><em>uri</em>, <em>**options</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisSentinelStorage"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisSentinelStorage" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#limits.storage.RedisStorage" title="limits.storage.RedisStorage"><code class="xref py py-class docutils literal"><span class="pre">limits.storage.RedisStorage</span></code></a></p>
<p>rate limit storage with redis sentinel as backend</p>
<dl class="method">
<dt id="limits.storage.RedisSentinelStorage.check">
<code class="descname">check</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisSentinelStorage.check"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisSentinelStorage.check" title="Permalink to this definition"></a></dt>
<dd><p>check if storage is healthy</p>
</dd></dl>

<dl class="method">
<dt id="limits.storage.RedisSentinelStorage.get">
<code class="descname">get</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisSentinelStorage.get"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisSentinelStorage.get" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the counter value for</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.RedisSentinelStorage.get_expiry">
<code class="descname">get_expiry</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#RedisSentinelStorage.get_expiry"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.RedisSentinelStorage.get_expiry" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the expiry for</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="limits.storage.MemcachedStorage">
<em class="property">class </em><code class="descclassname">limits.storage.</code><code class="descname">MemcachedStorage</code><span class="sig-paren">(</span><em>uri</em>, <em>**options</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemcachedStorage"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemcachedStorage" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#limits.storage.Storage" title="limits.storage.Storage"><code class="xref py py-class docutils literal"><span class="pre">limits.storage.Storage</span></code></a></p>
<p>rate limit storage with memcached as backend</p>
<dl class="method">
<dt id="limits.storage.MemcachedStorage.check">
<code class="descname">check</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemcachedStorage.check"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemcachedStorage.check" title="Permalink to this definition"></a></dt>
<dd><p>check if storage is healthy</p>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemcachedStorage.get">
<code class="descname">get</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemcachedStorage.get"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemcachedStorage.get" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the counter value for</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemcachedStorage.get_client">
<code class="descname">get_client</code><span class="sig-paren">(</span><em>module</em>, <em>hosts</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemcachedStorage.get_client"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemcachedStorage.get_client" title="Permalink to this definition"></a></dt>
<dd><p>returns a memcached client.
:param module: the memcached module
:param hosts: list of memcached hosts
:return:</p>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemcachedStorage.get_expiry">
<code class="descname">get_expiry</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemcachedStorage.get_expiry"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemcachedStorage.get_expiry" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> (<em>str</em>) &#8211; the key to get the expiry for</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.storage.MemcachedStorage.incr">
<code class="descname">incr</code><span class="sig-paren">(</span><em>key</em>, <em>expiry</em>, <em>elastic_expiry=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#MemcachedStorage.incr"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.MemcachedStorage.incr" title="Permalink to this definition"></a></dt>
<dd><p>increments the counter for a given rate limit key</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>key</strong> (<em>str</em>) &#8211; the key to increment</li>
<li><strong>expiry</strong> (<em>int</em>) &#8211; amount in seconds for the key to expire in</li>
<li><strong>elastic_expiry</strong> (<em>bool</em>) &#8211; whether to keep extending the rate limit
window every hit.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="attribute">
<dt id="limits.storage.MemcachedStorage.storage">
<code class="descname">storage</code><a class="headerlink" href="#limits.storage.MemcachedStorage.storage" title="Permalink to this definition"></a></dt>
<dd><p>lazily creates a memcached client instance using a thread local</p>
</dd></dl>

</dd></dl>

<dl class="function">
<dt id="limits.storage.storage_from_string">
<code class="descclassname">limits.storage.</code><code class="descname">storage_from_string</code><span class="sig-paren">(</span><em>storage_string</em>, <em>**options</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/storage.html#storage_from_string"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.storage.storage_from_string" title="Permalink to this definition"></a></dt>
<dd><p>factory function to get an instance of the storage class based
on the uri of the storage</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>storage_string</strong> &#8211; a string of the form method://host:port</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">an instance of <code class="xref py py-class docutils literal"><span class="pre">flask_limiter.storage.Storage</span></code></td>
</tr>
</tbody>
</table>
</dd></dl>

</div>
<div class="section" id="strategies">
<h2>Strategies<a class="headerlink" href="#strategies" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="limits.strategies.RateLimiter">
<em class="property">class </em><code class="descclassname">limits.strategies.</code><code class="descname">RateLimiter</code><span class="sig-paren">(</span><em>storage</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#RateLimiter"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.RateLimiter" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<dl class="method">
<dt id="limits.strategies.RateLimiter.get_window_stats">
<code class="descname">get_window_stats</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#RateLimiter.get_window_stats"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.RateLimiter.get_window_stats" title="Permalink to this definition"></a></dt>
<dd><p>returns the number of requests remaining and reset of this limit.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">tuple (reset time (int), remaining (int))</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.strategies.RateLimiter.hit">
<code class="descname">hit</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#RateLimiter.hit"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.RateLimiter.hit" title="Permalink to this definition"></a></dt>
<dd><p>creates a hit on the rate limit and returns True if successful.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">True/False</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.strategies.RateLimiter.test">
<code class="descname">test</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#RateLimiter.test"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.RateLimiter.test" title="Permalink to this definition"></a></dt>
<dd><p>checks  the rate limit and returns True if it is not
currently exceeded.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">True/False</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="limits.strategies.FixedWindowRateLimiter">
<em class="property">class </em><code class="descclassname">limits.strategies.</code><code class="descname">FixedWindowRateLimiter</code><span class="sig-paren">(</span><em>storage</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#FixedWindowRateLimiter"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.FixedWindowRateLimiter" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#limits.strategies.RateLimiter" title="limits.strategies.RateLimiter"><code class="xref py py-class docutils literal"><span class="pre">limits.strategies.RateLimiter</span></code></a></p>
<p>Reference: <a class="reference internal" href="strategies.html#fixed-window"><span class="std std-ref">Fixed Window</span></a></p>
<dl class="method">
<dt id="limits.strategies.FixedWindowRateLimiter.get_window_stats">
<code class="descname">get_window_stats</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#FixedWindowRateLimiter.get_window_stats"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.FixedWindowRateLimiter.get_window_stats" title="Permalink to this definition"></a></dt>
<dd><p>returns the number of requests remaining and reset of this limit.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">tuple (reset time (int), remaining (int))</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.strategies.FixedWindowRateLimiter.hit">
<code class="descname">hit</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#FixedWindowRateLimiter.hit"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.FixedWindowRateLimiter.hit" title="Permalink to this definition"></a></dt>
<dd><p>creates a hit on the rate limit and returns True if successful.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">True/False</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.strategies.FixedWindowRateLimiter.test">
<code class="descname">test</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#FixedWindowRateLimiter.test"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.FixedWindowRateLimiter.test" title="Permalink to this definition"></a></dt>
<dd><p>checks  the rate limit and returns True if it is not
currently exceeded.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">True/False</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="limits.strategies.FixedWindowElasticExpiryRateLimiter">
<em class="property">class </em><code class="descclassname">limits.strategies.</code><code class="descname">FixedWindowElasticExpiryRateLimiter</code><span class="sig-paren">(</span><em>storage</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#FixedWindowElasticExpiryRateLimiter"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.FixedWindowElasticExpiryRateLimiter" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#limits.strategies.FixedWindowRateLimiter" title="limits.strategies.FixedWindowRateLimiter"><code class="xref py py-class docutils literal"><span class="pre">limits.strategies.FixedWindowRateLimiter</span></code></a></p>
<p>Reference: <a class="reference internal" href="strategies.html#fixed-window-elastic"><span class="std std-ref">Fixed Window with Elastic Expiry</span></a></p>
<dl class="method">
<dt id="limits.strategies.FixedWindowElasticExpiryRateLimiter.hit">
<code class="descname">hit</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#FixedWindowElasticExpiryRateLimiter.hit"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.FixedWindowElasticExpiryRateLimiter.hit" title="Permalink to this definition"></a></dt>
<dd><p>creates a hit on the rate limit and returns True if successful.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">True/False</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="limits.strategies.MovingWindowRateLimiter">
<em class="property">class </em><code class="descclassname">limits.strategies.</code><code class="descname">MovingWindowRateLimiter</code><span class="sig-paren">(</span><em>storage</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#MovingWindowRateLimiter"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.MovingWindowRateLimiter" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#limits.strategies.RateLimiter" title="limits.strategies.RateLimiter"><code class="xref py py-class docutils literal"><span class="pre">limits.strategies.RateLimiter</span></code></a></p>
<p>Reference: <a class="reference internal" href="strategies.html#moving-window"><span class="std std-ref">Moving Window</span></a></p>
<dl class="method">
<dt id="limits.strategies.MovingWindowRateLimiter.get_window_stats">
<code class="descname">get_window_stats</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#MovingWindowRateLimiter.get_window_stats"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.MovingWindowRateLimiter.get_window_stats" title="Permalink to this definition"></a></dt>
<dd><p>returns the number of requests remaining within this limit.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">tuple (reset time (int), remaining (int))</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.strategies.MovingWindowRateLimiter.hit">
<code class="descname">hit</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#MovingWindowRateLimiter.hit"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.MovingWindowRateLimiter.hit" title="Permalink to this definition"></a></dt>
<dd><p>creates a hit on the rate limit and returns True if successful.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">True/False</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.strategies.MovingWindowRateLimiter.test">
<code class="descname">test</code><span class="sig-paren">(</span><em>item</em>, <em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/strategies.html#MovingWindowRateLimiter.test"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.strategies.MovingWindowRateLimiter.test" title="Permalink to this definition"></a></dt>
<dd><p>checks  the rate limit and returns True if it is not
currently exceeded.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>item</strong> &#8211; a <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instance</li>
<li><strong>identifiers</strong> &#8211; variable list of strings to uniquely identify the
limit</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">True/False</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

</div>
<div class="section" id="rate-limits">
<h2>Rate Limits<a class="headerlink" href="#rate-limits" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="limits.RateLimitItem">
<em class="property">class </em><code class="descclassname">limits.</code><code class="descname">RateLimitItem</code><span class="sig-paren">(</span><em>amount</em>, <em>multiples=1</em>, <em>namespace='LIMITER'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItem"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItem" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>defines a Rate limited resource which contains the characteristic
namespace, amount and granularity multiples of the rate limiting window.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>amount</strong> (<em>int</em>) &#8211; the rate limit amount</li>
<li><strong>multiples</strong> (<em>int</em>) &#8211; multiple of the &#8216;per&#8217; granularity (e.g. &#8216;n&#8217; per &#8216;m&#8217; seconds)</li>
<li><strong>namespace</strong> (<em>string</em>) &#8211; category for the specific rate limit</li>
</ul>
</td>
</tr>
</tbody>
</table>
<dl class="classmethod">
<dt id="limits.RateLimitItem.check_granularity_string">
<em class="property">classmethod </em><code class="descname">check_granularity_string</code><span class="sig-paren">(</span><em>granularity_string</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItem.check_granularity_string"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItem.check_granularity_string" title="Permalink to this definition"></a></dt>
<dd><p>checks if this instance matches a granularity string
of type &#8216;n per hour&#8217; etc.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">True/False</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.RateLimitItem.get_expiry">
<code class="descname">get_expiry</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItem.get_expiry"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItem.get_expiry" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">the size of the window in seconds.</td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="method">
<dt id="limits.RateLimitItem.key_for">
<code class="descname">key_for</code><span class="sig-paren">(</span><em>*identifiers</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItem.key_for"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItem.key_for" title="Permalink to this definition"></a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>identifiers</strong> &#8211; a list of strings to append to the key</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">a string key identifying this resource with
each identifier appended with a &#8216;/&#8217; delimiter.</td>
</tr>
</tbody>
</table>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="limits.RateLimitItemPerYear">
<em class="property">class </em><code class="descclassname">limits.</code><code class="descname">RateLimitItemPerYear</code><span class="sig-paren">(</span><em>amount</em>, <em>multiples=1</em>, <em>namespace='LIMITER'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItemPerYear"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItemPerYear" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">limits.limits.RateLimitItem</span></code></p>
<p>per year rate limited resource.</p>
</dd></dl>

<dl class="class">
<dt id="limits.RateLimitItemPerMonth">
<em class="property">class </em><code class="descclassname">limits.</code><code class="descname">RateLimitItemPerMonth</code><span class="sig-paren">(</span><em>amount</em>, <em>multiples=1</em>, <em>namespace='LIMITER'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItemPerMonth"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItemPerMonth" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">limits.limits.RateLimitItem</span></code></p>
<p>per month rate limited resource.</p>
</dd></dl>

<dl class="class">
<dt id="limits.RateLimitItemPerDay">
<em class="property">class </em><code class="descclassname">limits.</code><code class="descname">RateLimitItemPerDay</code><span class="sig-paren">(</span><em>amount</em>, <em>multiples=1</em>, <em>namespace='LIMITER'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItemPerDay"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItemPerDay" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">limits.limits.RateLimitItem</span></code></p>
<p>per day rate limited resource.</p>
</dd></dl>

<dl class="class">
<dt id="limits.RateLimitItemPerHour">
<em class="property">class </em><code class="descclassname">limits.</code><code class="descname">RateLimitItemPerHour</code><span class="sig-paren">(</span><em>amount</em>, <em>multiples=1</em>, <em>namespace='LIMITER'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItemPerHour"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItemPerHour" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">limits.limits.RateLimitItem</span></code></p>
<p>per hour rate limited resource.</p>
</dd></dl>

<dl class="class">
<dt id="limits.RateLimitItemPerMinute">
<em class="property">class </em><code class="descclassname">limits.</code><code class="descname">RateLimitItemPerMinute</code><span class="sig-paren">(</span><em>amount</em>, <em>multiples=1</em>, <em>namespace='LIMITER'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItemPerMinute"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItemPerMinute" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">limits.limits.RateLimitItem</span></code></p>
<p>per minute rate limited resource.</p>
</dd></dl>

<dl class="class">
<dt id="limits.RateLimitItemPerSecond">
<em class="property">class </em><code class="descclassname">limits.</code><code class="descname">RateLimitItemPerSecond</code><span class="sig-paren">(</span><em>amount</em>, <em>multiples=1</em>, <em>namespace='LIMITER'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/limits.html#RateLimitItemPerSecond"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.RateLimitItemPerSecond" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">limits.limits.RateLimitItem</span></code></p>
<p>per second rate limited resource.</p>
</dd></dl>

<dl class="function">
<dt id="limits.parse">
<code class="descclassname">limits.</code><code class="descname">parse</code><span class="sig-paren">(</span><em>limit_string</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/util.html#parse"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.parse" title="Permalink to this definition"></a></dt>
<dd><p>parses a single rate limit in string notation (e.g. &#8216;1/second&#8217; or &#8216;1 per second&#8217;</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>limit_string</strong> (<em>string</em>) &#8211; rate limit string using <a class="reference internal" href="string-notation.html#ratelimit-string"><span class="std std-ref">Rate limit string notation</span></a></td>
</tr>
<tr class="field-even field"><th class="field-name">Raises:</th><td class="field-body"><strong>ValueError</strong> &#8211; if the string notation is invalid.</td>
</tr>
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">an instance of <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a></td>
</tr>
</tbody>
</table>
</dd></dl>

<dl class="function">
<dt id="limits.parse_many">
<code class="descclassname">limits.</code><code class="descname">parse_many</code><span class="sig-paren">(</span><em>limit_string</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/limits/util.html#parse_many"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.parse_many" title="Permalink to this definition"></a></dt>
<dd><p>parses rate limits in string notation containing multiple rate limits
(e.g. &#8216;1/second; 5/minute&#8217;)</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>limit_string</strong> (<em>string</em>) &#8211; rate limit string using <a class="reference internal" href="string-notation.html#ratelimit-string"><span class="std std-ref">Rate limit string notation</span></a></td>
</tr>
<tr class="field-even field"><th class="field-name">Raises:</th><td class="field-body"><strong>ValueError</strong> &#8211; if the string notation is invalid.</td>
</tr>
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">a list of <a class="reference internal" href="#limits.RateLimitItem" title="limits.RateLimitItem"><code class="xref py py-class docutils literal"><span class="pre">RateLimitItem</span></code></a> instances.</td>
</tr>
</tbody>
</table>
</dd></dl>

</div>
<div class="section" id="exceptions">
<h2>Exceptions<a class="headerlink" href="#exceptions" title="Permalink to this headline"></a></h2>
<dl class="exception">
<dt id="limits.errors.ConfigurationError">
<em class="property">exception </em><code class="descclassname">limits.errors.</code><code class="descname">ConfigurationError</code><a class="reference internal" href="_modules/limits/errors.html#ConfigurationError"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#limits.errors.ConfigurationError" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">Exception</span></code></p>
<p>exception raised when a configuration problem
is encountered</p>
</dd></dl>

</div>
</div>


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