Minify on backend

libs/cssutils/scripts/cssparse.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+"""utility script to parse given filenames or string
+"""
+__docformat__ = 'restructuredtext'
+__version__ = '$Id$'
+
+import cssutils
+import logging
+import optparse
+import sys
+
+def main(args=None):
+    """
+    Parses given filename(s) or string or URL (using optional encoding) and 
+    prints the parsed style sheet to stdout.
+
+    Redirect stdout to save CSS. Redirect stderr to save parser log infos.
+    """
+    usage = """usage: %prog [options] filename1.css [filename2.css ...]
+        [>filename_combined.css] [2>parserinfo.log] """
+    p = optparse.OptionParser(usage=usage)
+    p.add_option('-s', '--string', action='store_true', dest='string',
+        help='parse given string')
+    p.add_option('-u', '--url', action='store', dest='url',
+        help='parse given url')
+    p.add_option('-e', '--encoding', action='store', dest='encoding',
+        help='encoding of the file or override encoding found')
+    p.add_option('-m', '--minify', action='store_true', dest='minify',
+        help='minify parsed CSS', default=False)
+    p.add_option('-d', '--debug', action='store_true', dest='debug',
+        help='activate debugging output')
+
+    (options, params) = p.parse_args(args)
+
+    if not params and not options.url:
+        p.error("no filename given")
+
+    if options.debug:
+        p = cssutils.CSSParser(loglevel=logging.DEBUG)
+    else:
+        p = cssutils.CSSParser()
+
+    if options.minify:
+        cssutils.ser.prefs.useMinified()
+
+    if options.string:
+        sheet = p.parseString(u''.join(params), encoding=options.encoding)
+        print sheet.cssText
+    elif options.url:
+        sheet = p.parseUrl(options.url, encoding=options.encoding)
+        print sheet.cssText
+    else:
+        for filename in params:
+            sys.stderr.write('=== CSS FILE: "%s" ===\n' % filename)
+            sheet = p.parseFile(filename, encoding=options.encoding)
+            print sheet.cssText
+            print
+            sys.stderr.write('\n')
+
+
+if __name__ == "__main__":
+     sys.exit(main())