47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
import os
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import socket
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from django.core.cache import get_cache
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from django.utils.encoding import smart_str
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from django.utils.hashcompat import sha_constructor
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from compressor.conf import settings
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def get_hexdigest(plaintext, length=None):
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digest = sha_constructor(smart_str(plaintext)).hexdigest()
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if length:
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return digest[:length]
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return digest
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def get_mtime_cachekey(filename):
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return "django_compressor.mtime.%s.%s" % (socket.gethostname(),
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get_hexdigest(filename))
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def get_offline_cachekey(source):
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return ("django_compressor.offline.%s.%s" %
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(socket.gethostname(),
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get_hexdigest("".join(smart_str(s) for s in source))))
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def get_mtime(filename):
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if settings.COMPRESS_MTIME_DELAY:
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key = get_mtime_cachekey(filename)
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mtime = cache.get(key)
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if mtime is None:
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mtime = os.path.getmtime(filename)
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cache.set(key, mtime, settings.COMPRESS_MTIME_DELAY)
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return mtime
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return os.path.getmtime(filename)
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def get_hashed_mtime(filename, length=12):
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filename = os.path.realpath(filename)
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mtime = str(int(get_mtime(filename)))
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return get_hexdigest(mtime, length)
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cache = get_cache(settings.COMPRESS_CACHE_BACKEND)
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