37 class Bucket(object):  class
53         """Resets the bucket (unloads the bytecode)."""
78             raise TypeError("can't write empty bucket")
97     these methods are passed a :class:`~jinja2.bccache.Bucket`.
108             def load_bytecode(self, bucket):
109                 filename = path.join(self.directory, bucket.key)
112                         bucket.load_bytecode(f)
114             def dump_bytecode(self, bucket):
115                 filename = path.join(self.directory, bucket.key)
117                     bucket.write_bytecode(f)
123     def load_bytecode(self, bucket):  argument
125         bucket.  If they are not able to find code in the cache for the
126         bucket, it must not do anything.
130     def dump_bytecode(self, bucket):  argument
132         from a bucket back to the cache.  If it unable to do so it must not
158         """Return a cache bucket for the given template.  All arguments are
163         bucket = Bucket(environment, key, checksum)
164         self.load_bytecode(bucket)
165         return bucket
167     def set_bucket(self, bucket):  argument
168         """Put the bucket into the cache."""
169         self.dump_bytecode(bucket)
243     def _get_cache_filename(self, bucket):  argument
244         return path.join(self.directory, self.pattern % bucket.key)
246     def load_bytecode(self, bucket):  argument
247         f = open_if_exists(self._get_cache_filename(bucket), "rb")
250                 bucket.load_bytecode(f)
254     def dump_bytecode(self, bucket):  argument
255         f = open(self._get_cache_filename(bucket), "wb")
257             bucket.write_bytecode(f)
332     def load_bytecode(self, bucket):  argument
334             code = self.client.get(self.prefix + bucket.key)
340             bucket.bytecode_from_string(code)
342     def dump_bytecode(self, bucket):  argument
343         args = (self.prefix + bucket.key, bucket.bytecode_to_string())