rCSSmin

http://opensource.perlig.de/rcssmin/
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rCSSmin is a fast CSS minifier written in Python that removes spaces, comments, and unnecessary...
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### rcssmin.cssmin

Source: http://opensource.perlig.de/rcssmin

Minifies a given CSS string. It supports an option to preserve comments starting with an exclamation mark.

```APIDOC
## rcssmin.cssmin(_style_ , _keep_bang_comments =False_)

### Description
Minify CSS.

Note:
This is a hand crafted C implementation built on the regex semantics.

### Parameters
#### Parameters
- **style** (str) - CSS to minify
- **keep_bang_comments** (bool) - Keep comments starting with an exclamation mark? (`/*!...*/`)

### Returns
Minified style (str)
```

--------------------------------

### Minify CSS using rcssmin.cssmin function

Source: http://opensource.perlig.de/rcssmin

This is the primary API function for minifying CSS strings. It offers an option to preserve comments starting with an exclamation mark.

```python
rcssmin.cssmin(_style_ , _keep_bang_comments =False_)
```

--------------------------------

### Check Download Integrity with md5sum

Source: http://opensource.perlig.de/rcssmin

Verify the integrity of downloaded source packages using MD5 hashes. Ensure the downloaded file matches the expected hash.

```bash
$ md5sum -c rcssmin-1.2.2.digests
rcssmin-1.2.2.tar.bz2: OK
rcssmin-1.2.2.tar.gz: OK
rcssmin-1.2.2.tar.xz: OK
rcssmin-1.2.2.zip: OK
```

--------------------------------

### Run rCSSmin from Command Line

Source: http://opensource.perlig.de/rcssmin

Use this command to minify CSS directly from your terminal. Options include keeping bang-comments or forcing the Python implementation.

```bash
$ python -mrcssmin <css >minified
```

--------------------------------

### Verify PGP Signature of Digest File

Source: http://opensource.perlig.de/rcssmin

Check the PGP signature of the digest file to ensure its authenticity. This confirms the integrity of the hash values themselves.

```bash
$ gpg --verify rcssmin-1.2.2.digests
gpg: Signature made Sun Oct 12 12:09:25 2025 CEST
gpg:                using RSA key 21B65583FF640D34E8662B6B3DED446369F2EE1A
gpg: Good signature from "André Malo <nd@perlig.de>"
```

--------------------------------

### rCSSmin CSS Analysis Pattern

Source: http://opensource.perlig.de/rcssmin

This is the regular expression pattern used by rCSSmin to analyze CSS input. It is designed to capture various CSS components for minification.

```regex
pattern = (
    r'([^\\"&\047u>@\r\n\f\040\t/;:{}+]+)|(?<=[{}(=:>[,!])((?:[\r\n'
    r'\f\040\t]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))+\\)|(^((?:[\r\n\f\0'
    r'40\t]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))+)|(?<!&)((?:[\r\n\f'
    r'\040\t]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))+)(?=(([:{});=>\],!
    r'])|$)?)|;((?:[\r\n\f\040\t]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*(?:;([\r\n\f\040\t]|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*)*'
    r')(?=(\})?)|(\{)|(\})|((?:(?:\047[^\047\\\r\n\f]*(?:\\(?:[^\r]|\r\n?)[^\047\\\r\n\f]*\047)|(?:"[^"\\\r\n\f]*(?:\\(?:[^\r]|\r\n?)[^"\\\r\n\f]*)*")))|(?<![^\000-\054\056\057\072-\100\133-\136\140\173'
    r'-\177])url\([\r\n\f\040\t]*((?:(?:\047[^\047\\]*(?:\\(?:[^\r]|\r\n?)[^\047\\]*)*\047)|(?:"[^"\\]*(?:\\(?:[^\r]|\r\n?)[^"\\]*)*")))|(?:(?:[^\000-\040"\047()\\\177]*(?:(?:\\(?:[0-9a-fA-F]{1'
    r',6}(?:[\040\n\t\f]|\r\n?)?|[^\n\r\f0-9a-fA-F]))[^\000-\040"\047()\\\177]*)*)(?:(?:[\r\n\f\040\t]+|(?:\\(?:[\n\f]|\r\n?))+)(?:(?:[^\000-\040"\047()\\\177]|(?:\\(?:[0-9a-fA-F]{1,6}(?:[\040\n\t\f]|\r\n?)?|[^\n\r\f0-9a-fA-F]))|(?:\\(?:[\n\f]|\r\n?)))[^\000-\040"\047()\\\177]*(?:(?:\\(?:[0-9a-fA-F]{1,6}(?:[\040\n\t\f]|\r\n?)?|[^\n\r\f0-9a-fA-F]))[^\000-\040"\047()\\\177]*)*'
    r')+)*))([\r\n\f\040\t]*\)|(@(?:[mM][eE][dD][iI][aA]|[sS][uU][pP]'n    r'[pP][oO][rR][tT][sS]|[dD][oO][cC][uU][mM][eE][nN][tT]|(?:-(?:['n    r'wW][eE][bB][kK][iI][tT]|[mM][oO][zZ]|[oO]|[mM][sS])-)?[kK][eE]'n    r'[yY][fF][rR][aA][mM][eE][sS]))(?![^\000-\054\056\057\072-\100'n    r'\133-\136\140\173-\177])|(&)((?:[\r\n\f\040\t]|(?:/\*[^*]*\*+('n    r'?:[^/*][^*]*\*+)*/))+)(?=(.|$))|((?:>/\*\*/))((?:[\r\n\f\040\t'n    r']|(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*)|(:[fF][iI][rR][sS][tT]'n    r'-[lL](?:[iI][nN][eE]|[eE][tT][tT][eE][rR]))((?:[\r\n\f\040\t]|'n    r'(?:/\*[^*]*\*+(?:[^/*][^*]*\*+)*/))*)(?=[{,])|((?:(?:\047[^\04'n    r'7\\]*(?:\\(?:[^\r]|\r\n?)[^\047\\]*)*\047)|(?:"[^"\\]*(?:\\(?:[^\r]|\r\n?)[^"\\]*)*")))|((?:\\(?:[0-'n    r'9a-fA-F]{1,6}(?:[\040\n\t\f]|\r\n?)?|[^\n\r\f0-9a-fA-F]))[^\\"'n    r'\047u>@\r\n\f\040\t/;:{}+]*)'
)
```
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