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comparison piecrust/processing/compressors.py @ 315:d1490028e211

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cleancss: Add option to specify an output extension, like `.min.css`.
author Ludovic Chabant <ludovic@chabant.com>
date Fri, 27 Mar 2015 20:47:31 -0700
parents cba781477bd0
children 0ab712eab0fb
comparison
equal deleted inserted replaced
314:1ddd18ad5e76 315:d1490028e211
1 import os 1 import os
2 import os.path 2 import os.path
3 import logging 3 import logging
4 import platform 4 import platform
5 import subprocess 5 import subprocess
6 from piecrust.processing.base import SimpleFileProcessor 6 from piecrust.processing.base import Processor, SimpleFileProcessor
7 7
8 8
9 logger = logging.getLogger(__name__) 9 logger = logging.getLogger(__name__)
10 10
11 11
12 class CleanCssProcessor(SimpleFileProcessor): 12 class CleanCssProcessor(Processor):
13 PROCESSOR_NAME = 'cleancss' 13 PROCESSOR_NAME = 'cleancss'
14 14
15 def __init__(self): 15 def __init__(self):
16 super(CleanCssProcessor, self).__init__({'css': 'css'}) 16 super(CleanCssProcessor, self).__init__()
17 self._conf = None 17 self._conf = None
18 18
19 def _doProcess(self, in_path, out_path): 19 def matches(self, path):
20 return path.endswith('.css')
21
22 def getOutputFilenames(self, filename):
20 self._ensureInitialized() 23 self._ensureInitialized()
24 basename, _ = os.path.splitext(filename)
25 return ['%s%s' % (basename, self._conf['out_ext'])]
26
27 def process(self, path, out_dir):
28 self._ensureInitialized()
29
30 _, in_name = os.path.split(path)
31 out_name = self.getOutputFilenames(in_name)[0]
32 out_path = os.path.join(out_dir, out_name)
21 33
22 args = [self._conf['bin'], '-o', out_path] 34 args = [self._conf['bin'], '-o', out_path]
23 args += self._conf['options'] 35 args += self._conf['options']
24 args.append(in_path) 36 args.append(in_path)
25 logger.debug("Cleaning CSS file: %s" % args) 37 logger.debug("Cleaning CSS file: %s" % args)
44 return 56 return
45 57
46 self._conf = self.app.config.get('cleancss') or {} 58 self._conf = self.app.config.get('cleancss') or {}
47 self._conf.setdefault('bin', 'cleancss') 59 self._conf.setdefault('bin', 'cleancss')
48 self._conf.setdefault('options', ['--skip-rebase']) 60 self._conf.setdefault('options', ['--skip-rebase'])
61 self._conf.setdefault('out_ext', '.css')
62 if len(self._conf['out_ext']) > 0 and self._conf['out_ext'][0] != '.':
63 self._conf['out_ext'] = '.' + self._conf['out_ext']
49 if not isinstance(self._conf['options'], list): 64 if not isinstance(self._conf['options'], list):
50 raise Exception("The `cleancss/options` configuration setting " 65 raise Exception("The `cleancss/options` configuration setting "
51 "must be an array of arguments.") 66 "must be an array of arguments.")
52 67
53 68