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| Module rcssmin |
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| <!-- ==================== MODULE DESCRIPTION ==================== --> |
| <h1 class="epydoc">Module rcssmin</h1><p class="nomargin-top"><span class="codelink"><a href="rcssmin-pysrc.html">source code</a></span></p> |
| <p>CSS Minifier.</p> |
| <p>The minifier is based on the semantics of the <a class="rst-reference external" href="https://github.com/yui/yuicompressor/" target="_top">YUI compressor</a>, which |
| itself is based on <a class="rst-reference external" href="https://github.com/isaacs/cssmin/" target="_top">the rule list by Isaac Schlueter</a>.</p> |
| <p>This module is a re-implementation aiming for speed instead of maximum |
| compression, so it can be used at runtime (rather than during a preprocessing |
| step). RCSSmin does syntactical compression only (removing spaces, comments |
| and possibly semicolons). It does not provide semantic compression (like |
| removing empty blocks, collapsing redundant properties etc). It does, however, |
| support various CSS hacks (by keeping them working as intended).</p> |
| <p>Here's a feature list:</p> |
| <ul class="rst-simple"> |
| <li>Strings are kept, except that escaped newlines are stripped</li> |
| <li>Space/Comments before the very end or before various characters are |
| stripped: <tt class="rst-docutils literal"><span class="pre">:{});=>+],!</span></tt> (The colon (<tt class="rst-docutils literal">:</tt>) is a special case, a single |
| space is kept if it's outside a ruleset.)</li> |
| <li>Space/Comments at the very beginning or after various characters are |
| stripped: <tt class="rst-docutils literal"><span class="pre">{}(=:>+[,!</span></tt></li> |
| <li>Optional space after unicode escapes is kept, resp. replaced by a simple |
| space</li> |
| <li>whitespaces inside <tt class="rst-docutils literal">url()</tt> definitions are stripped</li> |
| <li>Comments starting with an exclamation mark (<tt class="rst-docutils literal">!</tt>) can be kept optionally.</li> |
| <li>All other comments and/or whitespace characters are replaced by a single |
| space.</li> |
| <li>Multiple consecutive semicolons are reduced to one</li> |
| <li>The last semicolon within a ruleset is stripped</li> |
| <li>CSS Hacks supported:<ul> |
| <li>IE7 hack (<tt class="rst-docutils literal"><span class="pre">>/**/</span></tt>)</li> |
| <li>Mac-IE5 hack (<tt class="rst-docutils literal"><span class="pre">/*\*/.../**/</span></tt>)</li> |
| <li>The boxmodelhack is supported naturally because it relies on valid CSS2 |
| strings</li> |
| <li>Between <tt class="rst-docutils literal"><span class="pre">:first-line</span></tt> and the following comma or curly brace a space is |
| inserted. (apparently it's needed for IE6)</li> |
| <li>Same for <tt class="rst-docutils literal"><span class="pre">:first-letter</span></tt></li> |
| </ul> |
| </li> |
| </ul> |
| <p>rcssmin.c is a reimplementation of rcssmin.py in C and improves runtime up to |
| factor 100 or so (depending on the input). docs/BENCHMARKS in the source |
| distribution contains the details.</p> |
| <p>Both python 2 (>= 2.4) and python 3 are supported.</p> |
| |
| <hr /> |
| <div class="fields"> <p><strong>Copyright:</strong> |
| Copyright 2011 - 2014 |
| André Malo or his licensors, as applicable |
| </p> |
| <p><strong>License:</strong> |
| <p>Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at</p> |
| <blockquote> |
| <a class="rst-reference external" href="http://www.apache.org/licenses/LICENSE-2.0" target="_top">http://www.apache.org/licenses/LICENSE-2.0</a></blockquote> |
| <p>Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License.</p> |
| </p> |
| <p><strong>Version:</strong> |
| 1.0.5 |
| </p> |
| <p><strong>Author:</strong> |
| André Malo |
| </p> |
| </div><!-- ==================== FUNCTIONS ==================== --> |
| <a name="section-Functions"></a> |
| <table class="summary" border="1" cellpadding="3" |
| cellspacing="0" width="100%" bgcolor="white"> |
| <tr bgcolor="#70b0f0" class="table-header"> |
| <td align="left" colspan="2" class="table-header"> |
| <span class="table-header">Functions</span></td> |
| </tr> |
| <tr> |
| <td width="15%" align="right" valign="top" class="summary"> |
| <span class="summary-type"><tt class="rst-docutils literal">str</tt></span> |
| </td><td class="summary"> |
| <table width="100%" cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td><span class="summary-sig"><a href="rcssmin-module.html#cssmin" class="summary-sig-name">cssmin</a>(<span class="summary-sig-arg">style</span>, |
| <span class="summary-sig-arg">keep_bang_comments</span>=<span class="summary-sig-default">False</span>)</span><br /> |
| Minify CSS.</td> |
| <td align="right" valign="top"> |
| <span class="codelink"><a href="rcssmin-pysrc.html#cssmin">source code</a></span> |
| |
| </td> |
| </tr> |
| </table> |
| |
| </td> |
| </tr> |
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| <!-- ==================== FUNCTION DETAILS ==================== --> |
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| <td align="left" colspan="2" class="table-header"> |
| <span class="table-header">Function Details</span></td> |
| </tr> |
| </table> |
| <a name="cssmin"></a> |
| <div> |
| <table class="details" border="1" cellpadding="3" |
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| <tr><td> |
| <table width="100%" cellpadding="0" cellspacing="0" border="0"> |
| <tr valign="top"><td> |
| <h3 class="epydoc"><span class="sig"><span class="sig-name">cssmin</span>(<span class="sig-arg">style</span>, |
| <span class="sig-arg">keep_bang_comments</span>=<span class="sig-default">False</span>)</span> |
| </h3> |
| </td><td align="right" valign="top" |
| ><span class="codelink"><a href="rcssmin-pysrc.html#cssmin">source code</a></span> |
| </td> |
| </tr></table> |
| |
| Minify CSS. |
| <dl class="fields"> |
| <dt>Parameters:</dt> |
| <dd><ul class="nomargin-top"> |
| <li><strong class="pname"><code>style</code></strong> (<tt class="rst-docutils literal">str</tt>) - CSS to minify</li> |
| <li><strong class="pname"><code>keep_bang_comments</code></strong> (<tt class="rst-docutils literal">bool</tt>) - Keep comments starting with an exclamation mark? (<tt class="rst-docutils literal"><span class="pre">/*!...*/</span></tt>)</li> |
| </ul></dd> |
| <dt>Returns: <tt class="rst-docutils literal">str</tt></dt> |
| <dd>Minified style</dd> |
| </dl> |
| </td></tr></table> |
| </div> |
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