60 class Bucket(object):  class
76         """Resets the bucket (unloads the bytecode)."""
101             raise TypeError('can\'t write empty bucket')
120     these methods are passed a :class:`~jinja2.bccache.Bucket`.
131             def load_bytecode(self, bucket):
132                 filename = path.join(self.directory, bucket.key)
135                         bucket.load_bytecode(f)
137             def dump_bytecode(self, bucket):
138                 filename = path.join(self.directory, bucket.key)
140                     bucket.write_bytecode(f)
146     def load_bytecode(self, bucket):  argument
148         bucket.  If they are not able to find code in the cache for the
149         bucket, it must not do anything.
153     def dump_bytecode(self, bucket):  argument
155         from a bucket back to the cache.  If it unable to do so it must not
181         """Return a cache bucket for the given template.  All arguments are
186         bucket = Bucket(environment, key, checksum)
187         self.load_bytecode(bucket)
188         return bucket
190     def set_bucket(self, bucket):  argument
191         """Put the bucket into the cache."""
192         self.dump_bytecode(bucket)
260     def _get_cache_filename(self, bucket):  argument
261         return path.join(self.directory, self.pattern % bucket.key)
263     def load_bytecode(self, bucket):  argument
264         f = open_if_exists(self._get_cache_filename(bucket), 'rb')
267                 bucket.load_bytecode(f)
271     def dump_bytecode(self, bucket):  argument
272         f = open(self._get_cache_filename(bucket), 'wb')
274             bucket.write_bytecode(f)
344     def load_bytecode(self, bucket):  argument
346             code = self.client.get(self.prefix + bucket.key)
352             bucket.bytecode_from_string(code)
354     def dump_bytecode(self, bucket):  argument
355         args = (self.prefix + bucket.key, bucket.bytecode_to_string())