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2019-05-27 23:34:16 +02:00

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<div class="section" id="royalnet-utils">
<h1>royalnet.utils<a class="headerlink" href="#royalnet-utils" title="Permalink to this headline"></a></h1>
<div class="toctree-wrapper compound">
</div>
<span class="target" id="module-royalnet.utils"></span><p>Miscellaneous useful functions and classes.</p>
<dl class="function">
<dt id="royalnet.utils.asyncify">
<code class="descclassname">royalnet.utils.</code><code class="descname">asyncify</code><span class="sig-paren">(</span><em>function: Callable</em>, <em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.asyncify" title="Permalink to this definition"></a></dt>
<dd><p>Convert a function into a coroutine.</p>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>The coroutine cannot be cancelled, and any attempts to do so will result in unexpected outputs.</p>
</div>
</dd></dl>
<dl class="class">
<dt id="royalnet.utils.Call">
<em class="property">class </em><code class="descclassname">royalnet.utils.</code><code class="descname">Call</code><span class="sig-paren">(</span><em>channel, command: Type[royalnet.utils.command.Command], command_args: List[str] = None, **kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.Call" title="Permalink to this definition"></a></dt>
<dd><p>A command call. An abstract class, sub-bots should create a new call class from this.</p>
<dl class="method">
<dt id="royalnet.utils.Call.__init__">
<code class="descname">__init__</code><span class="sig-paren">(</span><em>channel, command: Type[royalnet.utils.command.Command], command_args: List[str] = None, **kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.Call.__init__" title="Permalink to this definition"></a></dt>
<dd><p>Create the call.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>channel</strong> – The channel object this call was sent in.</p></li>
<li><p><strong>command</strong> – The command to be called.</p></li>
<li><p><strong>command_args</strong> – The arguments to be passed to the command</p></li>
<li><p><strong>kwargs</strong> – Additional optional keyword arguments that may be passed to the command, possibly specific to the bot.</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="royalnet.utils.Call._session_init">
<code class="descname">_session_init</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.Call._session_init" title="Permalink to this definition"></a></dt>
<dd><p>If the command requires database access, create a <a class="reference internal" href="database.html#royalnet.database.Alchemy" title="royalnet.database.Alchemy"><code class="xref py py-class docutils literal notranslate"><span class="pre">royalnet.database.Alchemy</span></code></a> session for this call, otherwise, do nothing.</p>
</dd></dl>
<dl class="attribute">
<dt id="royalnet.utils.Call.alchemy">
<code class="descname">alchemy</code><em class="property"> = NotImplemented</em><a class="headerlink" href="#royalnet.utils.Call.alchemy" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="royalnet.utils.Call.get_author">
<code class="descname">get_author</code><span class="sig-paren">(</span><em>error_if_none=False</em><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.Call.get_author" title="Permalink to this definition"></a></dt>
<dd><p>Try to find the universal identifier of the user that sent the message.
That probably means, the database row identifying the user.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>error_if_none</strong> – Raise a <a class="reference internal" href="error.html#royalnet.error.UnregisteredError" title="royalnet.error.UnregisteredError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">royalnet.error.UnregisteredError</span></code></a> if this is True and the call has no author.</p>
</dd>
<dt class="field-even">Raises</dt>
<dd class="field-even"><p><a class="reference internal" href="error.html#royalnet.error.UnregisteredError" title="royalnet.error.UnregisteredError"><strong>royalnet.error.UnregisteredError</strong></a> – </p>
</dd>
</dl>
</dd></dl>
<dl class="attribute">
<dt id="royalnet.utils.Call.interface_name">
<code class="descname">interface_name</code><em class="property"> = NotImplemented</em><a class="headerlink" href="#royalnet.utils.Call.interface_name" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="royalnet.utils.Call.interface_obj">
<code class="descname">interface_obj</code><em class="property"> = NotImplemented</em><a class="headerlink" href="#royalnet.utils.Call.interface_obj" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="royalnet.utils.Call.interface_prefix">
<code class="descname">interface_prefix</code><em class="property"> = NotImplemented</em><a class="headerlink" href="#royalnet.utils.Call.interface_prefix" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="royalnet.utils.Call.net_request">
<code class="descname">net_request</code><span class="sig-paren">(</span><em>message</em>, <em>destination: str</em><span class="sig-paren">)</span> &#x2192; dict<a class="headerlink" href="#royalnet.utils.Call.net_request" title="Permalink to this definition"></a></dt>
<dd><p>Send data through a <a class="reference internal" href="network.html#royalnet.network.RoyalnetLink" title="royalnet.network.RoyalnetLink"><code class="xref py py-class docutils literal notranslate"><span class="pre">royalnet.network.RoyalnetLink</span></code></a> and wait for a <code class="xref py py-class docutils literal notranslate"><span class="pre">royalnet.network.Reply</span></code>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>message</strong> – The data to be sent. Must be <a class="reference external" href="https://docs.python.org/3.7/library/pickle.html#module-pickle" title="(in Python v3.7)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">pickle</span></code></a>-able.</p></li>
<li><p><strong>destination</strong> – </p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="royalnet.utils.Call.reply">
<code class="descname">reply</code><span class="sig-paren">(</span><em>text: str</em><span class="sig-paren">)</span> &#x2192; None<a class="headerlink" href="#royalnet.utils.Call.reply" title="Permalink to this definition"></a></dt>
<dd><p>Send a text message to the channel where the call was made.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>text</strong> – The text to be sent, possibly formatted in the weird undescribed markup that I’m using.</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="royalnet.utils.Call.run">
<code class="descname">run</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.Call.run" title="Permalink to this definition"></a></dt>
<dd><p>Execute the called command, and return the command result.</p>
</dd></dl>
<dl class="method">
<dt id="royalnet.utils.Call.session_end">
<code class="descname">session_end</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.Call.session_end" title="Permalink to this definition"></a></dt>
<dd><p>Close the previously created <a class="reference internal" href="database.html#royalnet.database.Alchemy" title="royalnet.database.Alchemy"><code class="xref py py-class docutils literal notranslate"><span class="pre">royalnet.database.Alchemy</span></code></a> session for this call (if it was created).</p>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="royalnet.utils.Command">
<em class="property">class </em><code class="descclassname">royalnet.utils.</code><code class="descname">Command</code><a class="headerlink" href="#royalnet.utils.Command" title="Permalink to this definition"></a></dt>
<dd><p>A generic command, called from any source.</p>
<dl class="attribute">
<dt id="royalnet.utils.Command.command_description">
<code class="descname">command_description</code><em class="property"> = NotImplemented</em><a class="headerlink" href="#royalnet.utils.Command.command_description" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="royalnet.utils.Command.command_name">
<code class="descname">command_name</code><em class="property"> = NotImplemented</em><a class="headerlink" href="#royalnet.utils.Command.command_name" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="royalnet.utils.Command.command_syntax">
<code class="descname">command_syntax</code><em class="property"> = NotImplemented</em><a class="headerlink" href="#royalnet.utils.Command.command_syntax" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="classmethod">
<dt id="royalnet.utils.Command.common">
<em class="property">classmethod </em><code class="descname">common</code><span class="sig-paren">(</span><em>call: Call</em><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.Command.common" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="classmethod">
<dt id="royalnet.utils.Command.network_handler_dict">
<em class="property">classmethod </em><code class="descname">network_handler_dict</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.Command.network_handler_dict" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="royalnet.utils.Command.network_handlers">
<code class="descname">network_handlers</code><em class="property"> = {}</em><a class="headerlink" href="#royalnet.utils.Command.network_handlers" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="royalnet.utils.Command.require_alchemy_tables">
<code class="descname">require_alchemy_tables</code><em class="property"> = {}</em><a class="headerlink" href="#royalnet.utils.Command.require_alchemy_tables" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="function">
<dt id="royalnet.utils.safeformat">
<code class="descclassname">royalnet.utils.</code><code class="descname">safeformat</code><span class="sig-paren">(</span><em>string: str</em>, <em>**words</em><span class="sig-paren">)</span> &#x2192; str<a class="headerlink" href="#royalnet.utils.safeformat" title="Permalink to this definition"></a></dt>
<dd><p><code class="xref py py-func docutils literal notranslate"><span class="pre">str.format()</span></code> something, but ignore missing keys instead of raising an error.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>string</strong> – The base string to be formatted.</p></li>
<li><p><strong>words</strong> – The words to format the string with.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The formatted string.</p>
</dd>
</dl>
</dd></dl>
<dl class="function">
<dt id="royalnet.utils.cdj">
<code class="descclassname">royalnet.utils.</code><code class="descname">cdj</code><span class="sig-paren">(</span><em>class_</em><span class="sig-paren">)</span> &#x2192; dict<a class="headerlink" href="#royalnet.utils.cdj" title="Permalink to this definition"></a></dt>
<dd><p>Return a dict of the class attributes without the <code class="docutils literal notranslate"><span class="pre">__module__</span></code>, <code class="docutils literal notranslate"><span class="pre">__dict__</span></code>, <code class="docutils literal notranslate"><span class="pre">__weakref__</span></code> and <code class="docutils literal notranslate"><span class="pre">__doc__</span></code> keys, to be used while generating dynamically SQLAlchemy declarative table classes.</p>
</dd></dl>
<dl class="function">
<dt id="royalnet.utils.sleep_until">
<code class="descclassname">royalnet.utils.</code><code class="descname">sleep_until</code><span class="sig-paren">(</span><em>dt: datetime.datetime</em><span class="sig-paren">)</span> &#x2192; None<a class="headerlink" href="#royalnet.utils.sleep_until" title="Permalink to this definition"></a></dt>
<dd><p>Block the call until the specified datetime.</p>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>Accurate only to seconds.</p>
</div>
</dd></dl>
<dl class="function">
<dt id="royalnet.utils.plusformat">
<code class="descclassname">royalnet.utils.</code><code class="descname">plusformat</code><span class="sig-paren">(</span><em>i: int</em><span class="sig-paren">)</span> &#x2192; str<a class="headerlink" href="#royalnet.utils.plusformat" title="Permalink to this definition"></a></dt>
<dd><p>Convert an <a class="reference external" href="https://docs.python.org/3.7/library/functions.html#int" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">int</span></code></a> to a <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>, adding a <code class="docutils literal notranslate"><span class="pre">+</span></code> if they are greater than 0.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>i</strong> – the <a class="reference external" href="https://docs.python.org/3.7/library/functions.html#int" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">int</span></code></a> to convert.</p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The resulting <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>.</p>
</dd>
</dl>
</dd></dl>
<dl class="class">
<dt id="royalnet.utils.CommandArgs">
<em class="property">class </em><code class="descclassname">royalnet.utils.</code><code class="descname">CommandArgs</code><a class="headerlink" href="#royalnet.utils.CommandArgs" title="Permalink to this definition"></a></dt>
<dd><p>The arguments of a command.</p>
<dl class="method">
<dt id="royalnet.utils.CommandArgs.__getitem__">
<code class="descname">__getitem__</code><span class="sig-paren">(</span><em>item</em><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.CommandArgs.__getitem__" title="Permalink to this definition"></a></dt>
<dd><p>Arguments can be accessed with an array notation, such as <code class="docutils literal notranslate"><span class="pre">args[0]</span></code>.</p>
<dl class="field-list simple">
<dt class="field-odd">Raises</dt>
<dd class="field-odd"><p><a class="reference internal" href="error.html#royalnet.error.InvalidInputError" title="royalnet.error.InvalidInputError"><strong>InvalidInputError</strong></a> – </p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="royalnet.utils.CommandArgs.joined">
<code class="descname">joined</code><span class="sig-paren">(</span><em>*</em>, <em>require_at_least=0</em><span class="sig-paren">)</span> &#x2192; str<a class="headerlink" href="#royalnet.utils.CommandArgs.joined" title="Permalink to this definition"></a></dt>
<dd><p>Get the arguments as a space-joined string.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>require_at_least</strong> – the minimum amount of arguments required, will raise <a class="reference internal" href="error.html#royalnet.error.InvalidInputError" title="royalnet.error.InvalidInputError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">royalnet.error.InvalidInputError</span></code></a> if the requirement is not fullfilled.</p>
</dd>
<dt class="field-even">Raises</dt>
<dd class="field-even"><p><a class="reference internal" href="error.html#royalnet.error.InvalidInputError" title="royalnet.error.InvalidInputError"><strong>royalnet.error.InvalidInputError</strong></a> – </p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>The space-joined string.</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="royalnet.utils.CommandArgs.match">
<code class="descname">match</code><span class="sig-paren">(</span><em>pattern: Pattern[AnyStr]</em><span class="sig-paren">)</span> &#x2192; Sequence[AnyStr]<a class="headerlink" href="#royalnet.utils.CommandArgs.match" title="Permalink to this definition"></a></dt>
<dd><p>Match the <code class="xref py py-func docutils literal notranslate"><span class="pre">royalnet.utils.commandargs.joined()</span></code> to a regex pattern.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>pattern</strong> – The regex pattern to be passed to <a class="reference external" href="https://docs.python.org/3.7/library/re.html#re.match" title="(in Python v3.7)"><code class="xref py py-func docutils literal notranslate"><span class="pre">re.match()</span></code></a>.</p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The matched groups, as returned by <code class="xref py py-func docutils literal notranslate"><span class="pre">re.Match.groups()</span></code>.</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="royalnet.utils.CommandArgs.optional">
<code class="descname">optional</code><span class="sig-paren">(</span><em>index: int</em>, <em>default=None</em><span class="sig-paren">)</span><a class="headerlink" href="#royalnet.utils.CommandArgs.optional" title="Permalink to this definition"></a></dt>
<dd><p>Get the argument at a specific index, but don’t raise an error if nothing is found, instead returning the <code class="docutils literal notranslate"><span class="pre">default</span></code> value.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>index</strong> – The index of the argument you want to retrieve.</p></li>
<li><p><strong>default</strong> – The value returned if the argument is missing.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>Either the argument or the <code class="docutils literal notranslate"><span class="pre">default</span></code> value, defaulting to <code class="docutils literal notranslate"><span class="pre">None</span></code>.</p>
</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="royalnet.utils.NetworkHandler">
<em class="property">class </em><code class="descclassname">royalnet.utils.</code><code class="descname">NetworkHandler</code><a class="headerlink" href="#royalnet.utils.NetworkHandler" title="Permalink to this definition"></a></dt>
<dd><p>The NetworkHandler functions are called when a specific Message type is received.</p>
<dl class="attribute">
<dt id="royalnet.utils.NetworkHandler.message_type">
<code class="descname">message_type</code><em class="property"> = NotImplemented</em><a class="headerlink" href="#royalnet.utils.NetworkHandler.message_type" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="function">
<dt id="royalnet.utils.andformat">
<code class="descclassname">royalnet.utils.</code><code class="descname">andformat</code><span class="sig-paren">(</span><em>l: List[str], middle=', ', final=' and '</em><span class="sig-paren">)</span> &#x2192; str<a class="headerlink" href="#royalnet.utils.andformat" title="Permalink to this definition"></a></dt>
<dd><p>Convert a <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#list" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">list</span></code></a> to a <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a> by adding <code class="docutils literal notranslate"><span class="pre">final</span></code> between the last two elements and <code class="docutils literal notranslate"><span class="pre">middle</span></code> between the others.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>l</strong> – the input <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#list" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">list</span></code></a>.</p></li>
<li><p><strong>middle</strong> – the <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a> to be added between the middle elements.</p></li>
<li><p><strong>final</strong> – the <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a> to be added between the last two elements.</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The resulting <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>.</p>
</dd>
</dl>
</dd></dl>
<dl class="function">
<dt>
<code class="descclassname">royalnet.utils.</code><code class="descname">plusformat</code><span class="sig-paren">(</span><em>i: int</em><span class="sig-paren">)</span> &#x2192; str</dt>
<dd><p>Convert an <a class="reference external" href="https://docs.python.org/3.7/library/functions.html#int" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">int</span></code></a> to a <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>, adding a <code class="docutils literal notranslate"><span class="pre">+</span></code> if they are greater than 0.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>i</strong> – the <a class="reference external" href="https://docs.python.org/3.7/library/functions.html#int" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">int</span></code></a> to convert.</p>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>The resulting <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>.</p>
</dd>
</dl>
</dd></dl>
<dl class="function">
<dt id="royalnet.utils.fileformat">
<code class="descclassname">royalnet.utils.</code><code class="descname">fileformat</code><span class="sig-paren">(</span><em>string: str</em><span class="sig-paren">)</span> &#x2192; str<a class="headerlink" href="#royalnet.utils.fileformat" title="Permalink to this definition"></a></dt>
<dd><p>Ensure a string can be used as a filename by replacing all non-word characters with underscores.</p>
</dd></dl>
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