32 class Bucket:  class
48         """Resets the bucket (unloads the bytecode)."""
73             raise TypeError("can't write empty bucket")
92     these methods are passed a :class:`~jinja2.bccache.Bucket`.
103             def load_bytecode(self, bucket):
104                 filename = path.join(self.directory, bucket.key)
107                         bucket.load_bytecode(f)
109             def dump_bytecode(self, bucket):
110                 filename = path.join(self.directory, bucket.key)
112                     bucket.write_bytecode(f)
118     def load_bytecode(self, bucket):  argument
120         bucket.  If they are not able to find code in the cache for the
121         bucket, it must not do anything.
125     def dump_bytecode(self, bucket):  argument
127         from a bucket back to the cache.  If it unable to do so it must not
153         """Return a cache bucket for the given template.  All arguments are
158         bucket = Bucket(environment, key, checksum)
159         self.load_bytecode(bucket)
160         return bucket
162     def set_bucket(self, bucket):  argument
163         """Put the bucket into the cache."""
164         self.dump_bytecode(bucket)
238     def _get_cache_filename(self, bucket):  argument
239         return os.path.join(self.directory, self.pattern % (bucket.key,))
241     def load_bytecode(self, bucket):  argument
242         f = open_if_exists(self._get_cache_filename(bucket), "rb")
245                 bucket.load_bytecode(f)
249     def dump_bytecode(self, bucket):  argument
250         f = open(self._get_cache_filename(bucket), "wb")
252             bucket.write_bytecode(f)
327     def load_bytecode(self, bucket):  argument
329             code = self.client.get(self.prefix + bucket.key)
335             bucket.bytecode_from_string(code)
337     def dump_bytecode(self, bucket):  argument
338         args = (self.prefix + bucket.key, bucket.bytecode_to_string())