change cssmin compressor

docs/compressors.rst

@@ -158,18 +158,29 @@ To us it for your stylesheets add this to your ``PIPELINE_CSS_COMPRESSOR`` ::
 
   Default to ``'--template=highest'``
 
-cssmin compressor
+CSSMin compressor
 =================
 
-The cssmin compressor uses the `cssmin <http://pypi.python.org/pypi/cssmin/>`_
-Python library to compress stylesheets. To use it, specify this
-``PIPELINE_CSS_COMPRESSOR`` ::
+The cssmin compressor uses the `cssmin <https://github.com/jbleuzen/node-cssmin>`_
+command to compress stylesheets. To use it, add this to your ``PIPELINE_CSS_COMPRESSOR`` ::
 
-  PIPELINE_CSS_COMPRESSOR = 'pipeline.compressors.cssmin.CssminCompressor'
+  PIPELINE_CSS_COMPRESSOR = 'pipeline.compressors.cssmin.CSSMinCompressor'
 
-Install the cssmin library with your favorite Python package manager. E.g. ::
+``PIPELINE_CSSMIN_BINARY``
+---------------------------
+
+  Command line to execute for cssmin program.
+  You will most likely change this to the location of cssmin on your system.
+
+  Defaults to ``'/usr/bin/env cssmin'``
+
+``PIPELINE_CSSMIN_ARGUMENTS``
+------------------------------
+
+  Additional arguments to use when cssmin is called.
+
+  Default to ``''``
 
-  pip install cssmin
 
 Write your own compressor class
 ===============================

pipeline/compressors/cssmin.py

-from __future__ import absolute_import
+from pipeline.conf import settings
+from pipeline.compressors import SubProcessCompressor
 
-from pipeline.compressors import CompressorBase
 
-
-class CssminCompressor(CompressorBase):
-    """
-    CSS compressor based on the Python library cssmin
-    (http://pypi.python.org/pypi/cssmin/).
-    """
+class CSSMinCompressor(SubProcessCompressor):
     def compress_css(self, css):
-        from cssmin import cssmin
-        return cssmin(css)
+        command = "%s %s" % (settings.PIPELINE_CSSMIN_BINARY, settings.PIPELINE_CSSMIN_ARGUMENTS)
+        return self.execute_command(command, css)

pipeline/conf/settings.py

@@ -37,6 +37,9 @@ PIPELINE_CLOSURE_ARGUMENTS = getattr(settings, 'PIPELINE_CLOSURE_ARGUMENTS', '')
 PIPELINE_UGLIFYJS_BINARY = getattr(settings, 'PIPELINE_UGLIFYJS_BINARY', '/usr/bin/env uglifyjs')
 PIPELINE_UGLIFYJS_ARGUMENTS = getattr(settings, 'PIPELINE_UGLIFYJS_ARGUMENTS', '')
 
+PIPELINE_CSSMIN_BINARY = getattr(settings, 'PIPELINE_CSSMIN_BINARY', '/usr/bin/env cssmin')
+PIPELINE_CSSMIN_ARGUMENTS = getattr(settings, 'PIPELINE_CSSMIN_ARGUMENTS', '')
+
 PIPELINE_COFFEE_SCRIPT_BINARY = getattr(settings, 'PIPELINE_COFFEE_SCRIPT_BINARY', '/usr/bin/env coffee')
 PIPELINE_COFFEE_SCRIPT_ARGUMENTS = getattr(settings, 'PIPELINE_COFFEE_SCRIPT_ARGUMENTS', '')