Mercurial > piecrust2
view piecrust/processing/compressors.py @ 326:1ecc0c16ba64 2.0.0a6
data: Better error message for old date formats, add `emaildate` filter.
author | Ludovic Chabant <ludovic@chabant.com> |
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date | Mon, 30 Mar 2015 14:43:08 -0700 |
parents | d1490028e211 |
children | 0ab712eab0fb |
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import os import os.path import logging import platform import subprocess from piecrust.processing.base import Processor, SimpleFileProcessor logger = logging.getLogger(__name__) class CleanCssProcessor(Processor): PROCESSOR_NAME = 'cleancss' def __init__(self): super(CleanCssProcessor, self).__init__() self._conf = None def matches(self, path): return path.endswith('.css') def getOutputFilenames(self, filename): self._ensureInitialized() basename, _ = os.path.splitext(filename) return ['%s%s' % (basename, self._conf['out_ext'])] def process(self, path, out_dir): self._ensureInitialized() _, in_name = os.path.split(path) out_name = self.getOutputFilenames(in_name)[0] out_path = os.path.join(out_dir, out_name) args = [self._conf['bin'], '-o', out_path] args += self._conf['options'] args.append(in_path) logger.debug("Cleaning CSS file: %s" % args) # On Windows, we need to run the process in a shell environment # otherwise it looks like `PATH` isn't taken into account. shell = (platform.system() == 'Windows') try: retcode = subprocess.call(args, shell=shell) except FileNotFoundError as ex: logger.error("Tried running CleanCSS processor with command: %s" % args) raise Exception("Error running CleanCSS processor. " "Did you install it?") from ex if retcode != 0: raise Exception("Error occured in CleanCSS. Please check " "log messages above for more information.") return True def _ensureInitialized(self): if self._conf is not None: return self._conf = self.app.config.get('cleancss') or {} self._conf.setdefault('bin', 'cleancss') self._conf.setdefault('options', ['--skip-rebase']) self._conf.setdefault('out_ext', '.css') if len(self._conf['out_ext']) > 0 and self._conf['out_ext'][0] != '.': self._conf['out_ext'] = '.' + self._conf['out_ext'] if not isinstance(self._conf['options'], list): raise Exception("The `cleancss/options` configuration setting " "must be an array of arguments.") class UglifyJSProcessor(SimpleFileProcessor): PROCESSOR_NAME = 'uglifyjs' def __init__(self): super(UglifyJSProcessor, self).__init__({'js': 'js'}) self._conf = None def _doProcess(self, in_path, out_path): self._ensureInitialized() args = [self._conf['bin'], in_path, '-o', out_path] args += self._conf['options'] logger.debug("Uglifying JS file: %s" % args) # On Windows, we need to run the process in a shell environment # otherwise it looks like `PATH` isn't taken into account. shell = (platform.system() == 'Windows') try: retcode = subprocess.call(args, shell=shell) except FileNotFoundError as ex: logger.error("Tried running UglifyJS processor with command: %s" % args) raise Exception("Error running UglifyJS processor. " "Did you install it?") from ex if retcode != 0: raise Exception("Error occured in UglifyJS. Please check " "log messages above for more information.") return True def _ensureInitialized(self): if self._conf is not None: return self._conf = self.app.config.get('uglifyjs') or {} self._conf.setdefault('bin', 'uglifyjs') self._conf.setdefault('options', ['--compress']) if not isinstance(self._conf['options'], list): raise Exception("The `uglify/options` configuration setting " "must be an array of arguments.")