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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙfrom aioredis.util import wait_convert, wait_ok, _NOTSET, _ScanIter class GenericCommandsMixin: """Generic commands mixin. For commands details see: http://redis.io/commands/#generic """ def delete(self, key, *keys): """Delete a key.""" fut = self.execute(b'DEL', key, *keys) return wait_convert(fut, int) def dump(self, key): """Dump a key.""" return self.execute(b'DUMP', key) def exists(self, key, *keys): """Check if key(s) exists. .. versionchanged:: v0.2.9 Accept multiple keys; **return** type **changed** from bool to int. """ return self.execute(b'EXISTS', key, *keys) def expire(self, key, timeout): """Set a timeout on key. if timeout is float it will be multiplied by 1000 coerced to int and passed to `pexpire` method. Otherwise raises TypeError if timeout argument is not int. """ if isinstance(timeout, float): return self.pexpire(key, int(timeout * 1000)) if not isinstance(timeout, int): raise TypeError( "timeout argument must be int, not {!r}".format(timeout)) fut = self.execute(b'EXPIRE', key, timeout) return wait_convert(fut, bool) def expireat(self, key, timestamp): """Set expire timestamp on a key. if timeout is float it will be multiplied by 1000 coerced to int and passed to `pexpireat` method. Otherwise raises TypeError if timestamp argument is not int. """ if isinstance(timestamp, float): return self.pexpireat(key, int(timestamp * 1000)) if not isinstance(timestamp, int): raise TypeError("timestamp argument must be int, not {!r}" .format(timestamp)) fut = self.execute(b'EXPIREAT', key, timestamp) return wait_convert(fut, bool) def keys(self, pattern, *, encoding=_NOTSET): """Returns all keys matching pattern.""" return self.execute(b'KEYS', pattern, encoding=encoding) def migrate(self, host, port, key, dest_db, timeout, *, copy=False, replace=False): """Atomically transfer a key from a Redis instance to another one.""" if not isinstance(host, str): raise TypeError("host argument must be str") if not isinstance(timeout, int): raise TypeError("timeout argument must be int") if not isinstance(dest_db, int): raise TypeError("dest_db argument must be int") if not host: raise ValueError("Got empty host") if dest_db < 0: raise ValueError("dest_db must be greater equal 0") if timeout < 0: raise ValueError("timeout must be greater equal 0") flags = [] if copy: flags.append(b'COPY') if replace: flags.append(b'REPLACE') fut = self.execute(b'MIGRATE', host, port, key, dest_db, timeout, *flags) return wait_ok(fut) def migrate_keys(self, host, port, keys, dest_db, timeout, *, copy=False, replace=False): """Atomically transfer keys from one Redis instance to another one. Keys argument must be list/tuple of keys to migrate. """ if not isinstance(host, str): raise TypeError("host argument must be str") if not isinstance(timeout, int): raise TypeError("timeout argument must be int") if not isinstance(dest_db, int): raise TypeError("dest_db argument must be int") if not isinstance(keys, (list, tuple)): raise TypeError("keys argument must be list or tuple") if not host: raise ValueError("Got empty host") if dest_db < 0: raise ValueError("dest_db must be greater equal 0") if timeout < 0: raise ValueError("timeout must be greater equal 0") if not keys: raise ValueError("keys must not be empty") flags = [] if copy: flags.append(b'COPY') if replace: flags.append(b'REPLACE') flags.append(b'KEYS') flags.extend(keys) fut = self.execute(b'MIGRATE', host, port, "", dest_db, timeout, *flags) return wait_ok(fut) def move(self, key, db): """Move key from currently selected database to specified destination. :raises TypeError: if db is not int :raises ValueError: if db is less than 0 """ if not isinstance(db, int): raise TypeError("db argument must be int, not {!r}".format(db)) if db < 0: raise ValueError("db argument must be not less than 0, {!r}" .format(db)) fut = self.execute(b'MOVE', key, db) return wait_convert(fut, bool) def object_refcount(self, key): """Returns the number of references of the value associated with the specified key (OBJECT REFCOUNT). """ return self.execute(b'OBJECT', b'REFCOUNT', key) def object_encoding(self, key): """Returns the kind of internal representation used in order to store the value associated with a key (OBJECT ENCODING). """ return self.execute(b'OBJECT', b'ENCODING', key, encoding='utf-8') def object_idletime(self, key): """Returns the number of seconds since the object is not requested by read or write operations (OBJECT IDLETIME). """ return self.execute(b'OBJECT', b'IDLETIME', key) def persist(self, key): """Remove the existing timeout on key.""" fut = self.execute(b'PERSIST', key) return wait_convert(fut, bool) def pexpire(self, key, timeout): """Set a milliseconds timeout on key. :raises TypeError: if timeout is not int """ if not isinstance(timeout, int): raise TypeError("timeout argument must be int, not {!r}" .format(timeout)) fut = self.execute(b'PEXPIRE', key, timeout) return wait_convert(fut, bool) def pexpireat(self, key, timestamp): """Set expire timestamp on key, timestamp in milliseconds. :raises TypeError: if timeout is not int """ if not isinstance(timestamp, int): raise TypeError("timestamp argument must be int, not {!r}" .format(timestamp)) fut = self.execute(b'PEXPIREAT', key, timestamp) return wait_convert(fut, bool) def pttl(self, key): """Returns time-to-live for a key, in milliseconds. Special return values (starting with Redis 2.8): * command returns -2 if the key does not exist. * command returns -1 if the key exists but has no associated expire. """ # TODO: maybe convert negative values to: # -2 to None - no key # -1 to False - no expire return self.execute(b'PTTL', key) def randomkey(self, *, encoding=_NOTSET): """Return a random key from the currently selected database.""" return self.execute(b'RANDOMKEY', encoding=encoding) def rename(self, key, newkey): """Renames key to newkey. :raises ValueError: if key == newkey """ if key == newkey: raise ValueError("key and newkey are the same") fut = self.execute(b'RENAME', key, newkey) return wait_ok(fut) def renamenx(self, key, newkey): """Renames key to newkey only if newkey does not exist. :raises ValueError: if key == newkey """ if key == newkey: raise ValueError("key and newkey are the same") fut = self.execute(b'RENAMENX', key, newkey) return wait_convert(fut, bool) def restore(self, key, ttl, value): """Creates a key associated with a value that is obtained via DUMP.""" return self.execute(b'RESTORE', key, ttl, value) def scan(self, cursor=0, match=None, count=None): """Incrementally iterate the keys space. Usage example: >>> match = 'something*' >>> cur = b'0' >>> while cur: ... cur, keys = await redis.scan(cur, match=match) ... for key in keys: ... print('Matched:', key) """ args = [] if match is not None: args += [b'MATCH', match] if count is not None: args += [b'COUNT', count] fut = self.execute(b'SCAN', cursor, *args) return wait_convert(fut, lambda o: (int(o[0]), o[1])) def iscan(self, *, match=None, count=None): """Incrementally iterate the keys space using async for. Usage example: >>> async for key in redis.iscan(match='something*'): ... print('Matched:', key) """ return _ScanIter(lambda cur: self.scan(cur, match=match, count=count)) def sort(self, key, *get_patterns, by=None, offset=None, count=None, asc=None, alpha=False, store=None): """Sort the elements in a list, set or sorted set.""" args = [] if by is not None: args += [b'BY', by] if offset is not None and count is not None: args += [b'LIMIT', offset, count] if get_patterns: args += sum(([b'GET', pattern] for pattern in get_patterns), []) if asc is not None: args += [asc is True and b'ASC' or b'DESC'] if alpha: args += [b'ALPHA'] if store is not None: args += [b'STORE', store] return self.execute(b'SORT', key, *args) def touch(self, key, *keys): """Alters the last access time of a key(s). Returns the number of keys that were touched. """ return self.execute(b'TOUCH', key, *keys) def ttl(self, key): """Returns time-to-live for a key, in seconds. Special return values (starting with Redis 2.8): * command returns -2 if the key does not exist. * command returns -1 if the key exists but has no associated expire. """ # TODO: maybe convert negative values to: # -2 to None - no key # -1 to False - no expire return self.execute(b'TTL', key) def type(self, key): """Returns the string representation of the value's type stored at key. """ # NOTE: for non-existent keys TYPE returns b'none' return self.execute(b'TYPE', key) def unlink(self, key, *keys): """Delete a key asynchronously in another thread.""" return wait_convert(self.execute(b'UNLINK', key, *keys), int) def wait(self, numslaves, timeout): """Wait for the synchronous replication of all the write commands sent in the context of the current connection. """ return self.execute(b'WAIT', numslaves, timeout)