83 lines
3.5 KiB
Python
83 lines
3.5 KiB
Python
import fnmatch
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import os
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from optparse import make_option
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from django.core.management.base import NoArgsCommand, CommandError
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from compressor.conf import settings
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from compressor.cache import cache, get_mtime, get_mtime_cachekey
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class Command(NoArgsCommand):
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help = "Add or remove all mtime values from the cache"
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option_list = NoArgsCommand.option_list + (
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make_option('-i', '--ignore', action='append', default=[],
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dest='ignore_patterns', metavar='PATTERN',
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help="Ignore files or directories matching this glob-style "
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"pattern. Use multiple times to ignore more."),
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make_option('--no-default-ignore', action='store_false',
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dest='use_default_ignore_patterns', default=True,
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help="Don't ignore the common private glob-style patterns 'CVS', "
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"'.*' and '*~'."),
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make_option('--follow-links', dest='follow_links', action='store_true',
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help="Follow symlinks when traversing the COMPRESS_ROOT "
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"(which defaults to STATIC_ROOT). Be aware that using this "
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"can lead to infinite recursion if a link points to a parent "
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"directory of itself."),
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make_option('-c', '--clean', dest='clean', action='store_true',
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help="Remove all items"),
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make_option('-a', '--add', dest='add', action='store_true',
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help="Add all items"),
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)
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def is_ignored(self, path):
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"""
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Return True or False depending on whether the ``path`` should be
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ignored (if it matches any pattern in ``ignore_patterns``).
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"""
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for pattern in self.ignore_patterns:
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if fnmatch.fnmatchcase(path, pattern):
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return True
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return False
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def handle_noargs(self, **options):
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ignore_patterns = options['ignore_patterns']
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if options['use_default_ignore_patterns']:
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ignore_patterns += ['CVS', '.*', '*~']
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options['ignore_patterns'] = ignore_patterns
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self.ignore_patterns = ignore_patterns
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if (options['add'] and options['clean']) or (not options['add'] and not options['clean']):
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raise CommandError('Please specify either "--add" or "--clean"')
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if not settings.COMPRESS_MTIME_DELAY:
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raise CommandError('mtime caching is currently disabled. Please '
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'set the COMPRESS_MTIME_DELAY setting to a number of seconds.')
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files_to_add = set()
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keys_to_delete = set()
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for root, dirs, files in os.walk(settings.COMPRESS_ROOT, followlinks=options['follow_links']):
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for dir_ in dirs:
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if self.is_ignored(dir_):
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dirs.remove(dir_)
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for filename in files:
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common = "".join(root.split(settings.COMPRESS_ROOT))
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if common.startswith(os.sep):
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common = common[len(os.sep):]
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if self.is_ignored(os.path.join(common, filename)):
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continue
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filename = os.path.join(root, filename)
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keys_to_delete.add(get_mtime_cachekey(filename))
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if options['add']:
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files_to_add.add(filename)
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if keys_to_delete:
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cache.delete_many(list(keys_to_delete))
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print("Deleted mtimes of %d files from the cache." % len(keys_to_delete))
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if files_to_add:
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for filename in files_to_add:
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get_mtime(filename)
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print("Added mtimes of %d files to cache." % len(files_to_add))
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