apps/compress/filters/csstidy/__init__.py

   1 import os
   2 import warnings
   3 import tempfile
   4
   5 from django.conf import settings
   6
   7 from compress.filter_base import FilterBase
   8
   9 BINARY = getattr(settings, 'CSSTIDY_BINARY', 'csstidy')
  10 ARGUMENTS = getattr(settings, 'CSSTIDY_ARGUMENTS', '--template=highest')
  11
  12 warnings.simplefilter('ignore', RuntimeWarning)
  13
  14
  15 class CSSTidyFilter(FilterBase):
  16
  17     def filter_css(self, css):
  18         tmp_file = tempfile.NamedTemporaryFile(mode='w+b')
  19         tmp_file.write(css)
  20         tmp_file.flush()
  21
  22         output_file = tempfile.NamedTemporaryFile(mode='w+b')
  23
  24         command = '%s %s %s %s' % (BINARY, tmp_file.name, ARGUMENTS, output_file.name)
  25
  26         command_output = os.popen(command).read()
  27
  28         filtered_css = output_file.read()
  29         output_file.close()
  30         tmp_file.close()
  31
  32         if self.verbose:
  33             print command_output
  34
  35         return filtered_css