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<section id="module-evennia.utils.inlinefuncs">
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<span id="evennia-utils-inlinefuncs"></span><h1>evennia.utils.inlinefuncs<a class="headerlink" href="#module-evennia.utils.inlinefuncs" title="Permalink to this headline">¶</a></h1>
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<p>Inline functions (nested form).</p>
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<p>This parser accepts nested inlinefunctions on the form</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$funcname(arg, arg, ...)
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</pre></div>
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</div>
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<p>embedded in any text where any arg can be another <strong>$funcname{}</strong> call.
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This functionality is turned off by default - to activate,
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<strong>settings.INLINEFUNC_ENABLED</strong> must be set to <strong>True</strong>.</p>
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<p>Each token starts with <strong>$funcname(</strong> where there must be no space between the
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$funcname and “(”. It ends with a matched ending parentesis “)”.</p>
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<p>Inside the inlinefunc definition, one can use \ to escape. This is
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mainly needed for escaping commas in flowing text (which would
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otherwise be interpreted as an argument separator), or to escape <strong>}</strong>
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when not intended to close the function block. Enclosing text in
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matched <strong>“””</strong> (triple quotes) or <strong>‘’’</strong> (triple single-quotes) will
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also escape <em>everything</em> within without needing to escape individual
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characters.</p>
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<p>The available inlinefuncs are defined as global-level functions in
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modules defined by <strong>settings.INLINEFUNC_MODULES</strong>. They are identified
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by their function name (and ignored if this name starts with <strong>_</strong>). They
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should be on the following form:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="k">def</span> <span class="nf">funcname</span> <span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
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<span class="c1"># ...</span>
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</pre></div>
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</div>
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<p>Here, the arguments given to <strong>$funcname(arg1,arg2)</strong> will appear as the
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<strong>*args</strong> tuple. This will be populated by the arguments given to the
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inlinefunc in-game - the only part that will be available from
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in-game. <strong>**kwargs</strong> are not supported from in-game but are only used
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internally by Evennia to make details about the caller available to
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the function. The kwarg passed to all functions is <strong>session</strong>, the
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Sessionobject for the object seeing the string. This may be <strong>None</strong> if
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the string is sent to a non-puppetable object. The inlinefunc should
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never raise an exception.</p>
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<p>There are two reserved function names:</p>
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<ul class="simple">
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<li><p>“nomatch”: This is called if the user uses a functionname that is
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not registered. The nomatch function will get the name of the
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not-found function as its first argument followed by the normal
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arguments to the given function. If not defined the default effect is
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to print <strong><UNKNOWN></strong> to replace the unknown function.</p></li>
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<li><p>“stackfull”: This is called when the maximum nested function stack is reached.
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When this happens, the original parsed string is returned and the result of
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the <strong>stackfull</strong> inlinefunc is appended to the end. By default this is an
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error message.</p></li>
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</ul>
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<p>Syntax errors, notably not completely closing all inlinefunc blocks, will lead
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to the entire string remaining unparsed.</p>
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<hr class="docutils" />
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<dl class="py function">
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<dt id="evennia.utils.inlinefuncs.random">
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<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">random</code><span class="sig-paren">(</span><em class="sig-param"><span class="o">*</span><span class="n">args</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#random"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.random" title="Permalink to this definition">¶</a></dt>
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<dd><p>Inlinefunc. Returns a random number between
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0 and 1, from 0 to a maximum value, or within a given range (inclusive).</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>minval</strong> (<em>str</em><em>, </em><em>optional</em>) – Minimum value. If not given, assumed 0.</p></li>
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<li><p><strong>maxval</strong> (<em>str</em><em>, </em><em>optional</em>) – Maximum value.</p></li>
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</ul>
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</dd>
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</dl>
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<dl class="simple">
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<dt>Keyword argumuents:</dt><dd><p>session (Session): Session getting the string.</p>
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</dd>
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</dl>
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<p class="rubric">Notes</p>
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<p>If either of the min/maxvalue has a ‘.’ in it, a floating-point random
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value will be returned. Otherwise it will be an integer value in the
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given range.</p>
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<p class="rubric">Example</p>
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<ul class="simple">
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<li><p><strong>$random()</strong></p></li>
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<li><p><strong>$random(5)</strong></p></li>
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<li><p><strong>$random(5, 10)</strong></p></li>
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</ul>
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</dd></dl>
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<dl class="py function">
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<dt id="evennia.utils.inlinefuncs.pad">
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<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">pad</code><span class="sig-paren">(</span><em class="sig-param"><span class="o">*</span><span class="n">args</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#pad"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.pad" title="Permalink to this definition">¶</a></dt>
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<dd><p>Inlinefunc. Pads text to given width.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>text</strong> (<em>str</em><em>, </em><em>optional</em>) – Text to pad.</p></li>
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<li><p><strong>width</strong> (<em>str</em><em>, </em><em>optional</em>) – Will be converted to integer. Width
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of padding.</p></li>
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<li><p><strong>align</strong> (<em>str</em><em>, </em><em>optional</em>) – Alignment of padding; one of ‘c’, ‘l’ or ‘r’.</p></li>
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<li><p><strong>fillchar</strong> (<em>str</em><em>, </em><em>optional</em>) – Character used for padding. Defaults to a
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space.</p></li>
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</ul>
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</dd>
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<dt class="field-even">Keyword Arguments</dt>
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<dd class="field-even"><p><strong>session</strong> (<a class="reference internal" href="evennia.server.session.html#evennia.server.session.Session" title="evennia.server.session.Session"><em>Session</em></a>) – Session performing the pad.</p>
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</dd>
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</dl>
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<p class="rubric">Example</p>
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<p><strong>$pad(text, width, align, fillchar)</strong></p>
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</dd></dl>
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<dl class="py function">
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<dt id="evennia.utils.inlinefuncs.crop">
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<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">crop</code><span class="sig-paren">(</span><em class="sig-param"><span class="o">*</span><span class="n">args</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#crop"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.crop" title="Permalink to this definition">¶</a></dt>
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<dd><p>Inlinefunc. Crops ingoing text to given widths.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>text</strong> (<em>str</em><em>, </em><em>optional</em>) – Text to crop.</p></li>
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<li><p><strong>width</strong> (<em>str</em><em>, </em><em>optional</em>) – Will be converted to an integer. Width of
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crop in characters.</p></li>
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<li><p><strong>suffix</strong> (<em>str</em><em>, </em><em>optional</em>) – End string to mark the fact that a part
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of the string was cropped. Defaults to <strong>[…]</strong>.</p></li>
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</ul>
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</dd>
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<dt class="field-even">Keyword Arguments</dt>
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<dd class="field-even"><p><strong>session</strong> (<a class="reference internal" href="evennia.server.session.html#evennia.server.session.Session" title="evennia.server.session.Session"><em>Session</em></a>) – Session performing the crop.</p>
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</dd>
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</dl>
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<p class="rubric">Example</p>
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<p><strong>$crop(text, width=78, suffix=’[…]’)</strong></p>
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</dd></dl>
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<dl class="py function">
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<dt id="evennia.utils.inlinefuncs.space">
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<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">space</code><span class="sig-paren">(</span><em class="sig-param"><span class="o">*</span><span class="n">args</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#space"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.space" title="Permalink to this definition">¶</a></dt>
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<dd><p>Inlinefunc. Inserts an arbitrary number of spaces. Defaults to 4 spaces.</p>
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><p><strong>spaces</strong> (<em>int</em><em>, </em><em>optional</em>) – The number of spaces to insert.</p>
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</dd>
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<dt class="field-even">Keyword Arguments</dt>
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||
<dd class="field-even"><p><strong>session</strong> (<a class="reference internal" href="evennia.server.session.html#evennia.server.session.Session" title="evennia.server.session.Session"><em>Session</em></a>) – Session performing the crop.</p>
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</dd>
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</dl>
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<p class="rubric">Example</p>
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<p><strong>$space(20)</strong></p>
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</dd></dl>
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<dl class="py function">
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<dt id="evennia.utils.inlinefuncs.clr">
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<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">clr</code><span class="sig-paren">(</span><em class="sig-param"><span class="o">*</span><span class="n">args</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#clr"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.clr" title="Permalink to this definition">¶</a></dt>
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<dd><p>Inlinefunc. Colorizes nested text.</p>
|
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<dl class="field-list simple">
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<dt class="field-odd">Parameters</dt>
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<dd class="field-odd"><ul class="simple">
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<li><p><strong>startclr</strong> (<em>str</em><em>, </em><em>optional</em>) – An ANSI color abbreviation without the
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prefix <strong>|</strong>, such as <strong>r</strong> (red foreground) or <strong>[r</strong> (red background).</p></li>
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<li><p><strong>text</strong> (<em>str</em><em>, </em><em>optional</em>) – Text</p></li>
|
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<li><p><strong>endclr</strong> (<em>str</em><em>, </em><em>optional</em>) – The color to use at the end of the string. Defaults
|
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to <strong>|n</strong> (reset-color).</p></li>
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</ul>
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</dd>
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<dt class="field-even">Keyword Arguments</dt>
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<dd class="field-even"><p><strong>session</strong> (<a class="reference internal" href="evennia.server.session.html#evennia.server.session.Session" title="evennia.server.session.Session"><em>Session</em></a>) – Session object triggering inlinefunc.</p>
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</dd>
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</dl>
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<p class="rubric">Example</p>
|
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<p><strong>$clr(startclr, text, endclr)</strong></p>
|
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</dd></dl>
|
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<dl class="py function">
|
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<dt id="evennia.utils.inlinefuncs.null">
|
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<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">null</code><span class="sig-paren">(</span><em class="sig-param"><span class="o">*</span><span class="n">args</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#null"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.null" title="Permalink to this definition">¶</a></dt>
|
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<dd></dd></dl>
|
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|
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<dl class="py function">
|
||
<dt id="evennia.utils.inlinefuncs.nomatch">
|
||
<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">nomatch</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">name</span></em>, <em class="sig-param"><span class="o">*</span><span class="n">args</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#nomatch"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.nomatch" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Default implementation of nomatch returns the function as-is as a string.</p>
|
||
</dd></dl>
|
||
|
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<dl class="py class">
|
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<dt id="evennia.utils.inlinefuncs.ParseStack">
|
||
<em class="property">class </em><code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">ParseStack</code><span class="sig-paren">(</span><em class="sig-param"><span class="o">*</span><span class="n">args</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#ParseStack"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.ParseStack" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">list</span></code></p>
|
||
<p>Custom stack that always concatenates strings together when the
|
||
strings are added next to one another. Tuples are stored
|
||
separately and None is used to mark that a string should be broken
|
||
up into a new chunk. Below is the resulting stack after separately
|
||
appending 3 strings, None, 2 strings, a tuple and finally 2
|
||
strings:</p>
|
||
<p>[string + string + string,
|
||
None
|
||
string + string,
|
||
tuple,
|
||
string + string]</p>
|
||
<dl class="py method">
|
||
<dt id="evennia.utils.inlinefuncs.ParseStack.__init__">
|
||
<code class="sig-name descname">__init__</code><span class="sig-paren">(</span><em class="sig-param"><span class="o">*</span><span class="n">args</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#ParseStack.__init__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.ParseStack.__init__" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Initialize self. See help(type(self)) for accurate signature.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt id="evennia.utils.inlinefuncs.ParseStack.append">
|
||
<code class="sig-name descname">append</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">item</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#ParseStack.append"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.ParseStack.append" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>The stack will merge strings, add other things as normal</p>
|
||
</dd></dl>
|
||
|
||
</dd></dl>
|
||
|
||
<dl class="py exception">
|
||
<dt id="evennia.utils.inlinefuncs.InlinefuncError">
|
||
<em class="property">exception </em><code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">InlinefuncError</code><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#InlinefuncError"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.InlinefuncError" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">RuntimeError</span></code></p>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt id="evennia.utils.inlinefuncs.parse_inlinefunc">
|
||
<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">parse_inlinefunc</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">string</span></em>, <em class="sig-param"><span class="n">strip</span><span class="o">=</span><span class="default_value">False</span></em>, <em class="sig-param"><span class="n">available_funcs</span><span class="o">=</span><span class="default_value">None</span></em>, <em class="sig-param"><span class="n">stacktrace</span><span class="o">=</span><span class="default_value">False</span></em>, <em class="sig-param"><span class="o">**</span><span class="n">kwargs</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#parse_inlinefunc"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.parse_inlinefunc" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Parse the incoming string.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>string</strong> (<em>str</em>) – The incoming string to parse.</p></li>
|
||
<li><p><strong>strip</strong> (<em>bool</em><em>, </em><em>optional</em>) – Whether to strip function calls rather than
|
||
execute them.</p></li>
|
||
<li><p><strong>available_funcs</strong> (<em>dict</em><em>, </em><em>optional</em>) – Define an alternative source of functions to parse for.
|
||
If unset, use the functions found through <strong>settings.INLINEFUNC_MODULES</strong>.</p></li>
|
||
<li><p><strong>stacktrace</strong> (<em>bool</em><em>, </em><em>optional</em>) – If set, print the stacktrace to log.</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Keyword Arguments</dt>
|
||
<dd class="field-even"><ul class="simple">
|
||
<li><p><strong>session</strong> (<a class="reference internal" href="evennia.server.session.html#evennia.server.session.Session" title="evennia.server.session.Session"><em>Session</em></a>) – This is sent to this function by Evennia when triggering
|
||
it. It is passed to the inlinefunc.</p></li>
|
||
<li><p><strong>kwargs</strong> (<em>any</em>) – All other kwargs are also passed on to the inlinefunc.</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt id="evennia.utils.inlinefuncs.raw">
|
||
<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">raw</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">string</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#raw"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.raw" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Escape all inlinefuncs in a string so they won’t get parsed.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><p><strong>string</strong> (<em>str</em>) – String with inlinefuncs to escape.</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py exception">
|
||
<dt id="evennia.utils.inlinefuncs.NickTemplateInvalid">
|
||
<em class="property">exception </em><code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">NickTemplateInvalid</code><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#NickTemplateInvalid"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.NickTemplateInvalid" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">ValueError</span></code></p>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt id="evennia.utils.inlinefuncs.initialize_nick_templates">
|
||
<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">initialize_nick_templates</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">in_template</span></em>, <em class="sig-param"><span class="n">out_template</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#initialize_nick_templates"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.initialize_nick_templates" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Initialize the nick templates for matching and remapping a string.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>in_template</strong> (<em>str</em>) – The template to be used for nick recognition.</p></li>
|
||
<li><p><strong>out_template</strong> (<em>str</em>) – The template to be used to replace the string
|
||
matched by the <strong>in_template</strong>.</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns</dt>
|
||
<dd class="field-even"><p><em>regex, template (regex, str)</em> – Regex to match against strings and a
|
||
template with markers <strong>{arg1}</strong>, <strong>{arg2}</strong>, etc for replacement using the
|
||
standard <strong>.format</strong> method.</p>
|
||
</dd>
|
||
<dt class="field-odd">Raises</dt>
|
||
<dd class="field-odd"><p><a class="reference internal" href="#evennia.utils.inlinefuncs.NickTemplateInvalid" title="evennia.utils.inlinefuncs.NickTemplateInvalid"><strong>inlinefuncs.NickTemplateInvalid</strong></a> – If the in/out template does not have a matching
|
||
number of $args.</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt id="evennia.utils.inlinefuncs.parse_nick_template">
|
||
<code class="sig-prename descclassname">evennia.utils.inlinefuncs.</code><code class="sig-name descname">parse_nick_template</code><span class="sig-paren">(</span><em class="sig-param"><span class="n">string</span></em>, <em class="sig-param"><span class="n">template_regex</span></em>, <em class="sig-param"><span class="n">outtemplate</span></em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/evennia/utils/inlinefuncs.html#parse_nick_template"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#evennia.utils.inlinefuncs.parse_nick_template" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Parse a text using a template and map it to another template</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>string</strong> (<em>str</em>) – The input string to processj</p></li>
|
||
<li><p><strong>template_regex</strong> (<em>regex</em>) – A template regex created with
|
||
initialize_nick_template.</p></li>
|
||
<li><p><strong>outtemplate</strong> (<em>str</em>) – The template to which to map the matches
|
||
produced by the template_regex. This should have $1, $2,
|
||
etc to match the regex.</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
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