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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 2މ$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙfrom itertools import chain from aioredis.util import wait_convert, wait_ok, _NOTSET class StringCommandsMixin: """String commands mixin. For commands details see: http://redis.io/commands/#string """ SET_IF_NOT_EXIST = 'SET_IF_NOT_EXIST' # NX SET_IF_EXIST = 'SET_IF_EXIST' # XX def append(self, key, value): """Append a value to key.""" return self.execute(b'APPEND', key, value) def bitcount(self, key, start=None, end=None): """Count set bits in a string. :raises TypeError: if only start or end specified. """ if start is None and end is not None: raise TypeError("both start and stop must be specified") elif start is not None and end is None: raise TypeError("both start and stop must be specified") elif start is not None and end is not None: args = (start, end) else: args = () return self.execute(b'BITCOUNT', key, *args) def bitfield(self): raise NotImplementedError() def bitop_and(self, dest, key, *keys): """Perform bitwise AND operations between strings.""" return self.execute(b'BITOP', b'AND', dest, key, *keys) def bitop_or(self, dest, key, *keys): """Perform bitwise OR operations between strings.""" return self.execute(b'BITOP', b'OR', dest, key, *keys) def bitop_xor(self, dest, key, *keys): """Perform bitwise XOR operations between strings.""" return self.execute(b'BITOP', b'XOR', dest, key, *keys) def bitop_not(self, dest, key): """Perform bitwise NOT operations between strings.""" return self.execute(b'BITOP', b'NOT', dest, key) def bitpos(self, key, bit, start=None, end=None): """Find first bit set or clear in a string. :raises ValueError: if bit is not 0 or 1 """ if bit not in (1, 0): raise ValueError("bit argument must be either 1 or 0") bytes_range = [] if start is not None: bytes_range.append(start) if end is not None: if start is None: bytes_range = [0, end] else: bytes_range.append(end) return self.execute(b'BITPOS', key, bit, *bytes_range) def decr(self, key): """Decrement the integer value of a key by one.""" return self.execute(b'DECR', key) def decrby(self, key, decrement): """Decrement the integer value of a key by the given number. :raises TypeError: if decrement is not int """ if not isinstance(decrement, int): raise TypeError("decrement must be of type int") return self.execute(b'DECRBY', key, decrement) def get(self, key, *, encoding=_NOTSET): """Get the value of a key.""" return self.execute(b'GET', key, encoding=encoding) def getbit(self, key, offset): """Returns the bit value at offset in the string value stored at key. :raises TypeError: if offset is not int :raises ValueError: if offset is less than 0 """ if not isinstance(offset, int): raise TypeError("offset argument must be int") if offset < 0: raise ValueError("offset must be greater equal 0") return self.execute(b'GETBIT', key, offset) def getrange(self, key, start, end, *, encoding=_NOTSET): """Get a substring of the string stored at a key. :raises TypeError: if start or end is not int """ if not isinstance(start, int): raise TypeError("start argument must be int") if not isinstance(end, int): raise TypeError("end argument must be int") return self.execute(b'GETRANGE', key, start, end, encoding=encoding) def getset(self, key, value, *, encoding=_NOTSET): """Set the string value of a key and return its old value.""" return self.execute(b'GETSET', key, value, encoding=encoding) def incr(self, key): """Increment the integer value of a key by one.""" return self.execute(b'INCR', key) def incrby(self, key, increment): """Increment the integer value of a key by the given amount. :raises TypeError: if increment is not int """ if not isinstance(increment, int): raise TypeError("increment must be of type int") return self.execute(b'INCRBY', key, increment) def incrbyfloat(self, key, increment): """Increment the float value of a key by the given amount. :raises TypeError: if increment is not int """ if not isinstance(increment, float): raise TypeError("increment must be of type int") fut = self.execute(b'INCRBYFLOAT', key, increment) return wait_convert(fut, float) def mget(self, key, *keys, encoding=_NOTSET): """Get the values of all the given keys.""" return self.execute(b'MGET', key, *keys, encoding=encoding) def mset(self, *args): """Set multiple keys to multiple values or unpack dict to keys & values. :raises TypeError: if len of args is not event number :raises TypeError: if len of args equals 1 and it is not a dict """ data = args if len(args) == 1: if not isinstance(args[0], dict): raise TypeError("if one arg it should be a dict") data = chain.from_iterable(args[0].items()) elif len(args) % 2 != 0: raise TypeError("length of pairs must be even number") fut = self.execute(b'MSET', *data) return wait_ok(fut) def msetnx(self, key, value, *pairs): """Set multiple keys to multiple values, only if none of the keys exist. :raises TypeError: if len of pairs is not event number """ if len(pairs) % 2 != 0: raise TypeError("length of pairs must be even number") return self.execute(b'MSETNX', key, value, *pairs) def psetex(self, key, milliseconds, value): """Set the value and expiration in milliseconds of a key. :raises TypeError: if milliseconds is not int """ if not isinstance(milliseconds, int): raise TypeError("milliseconds argument must be int") fut = self.execute(b'PSETEX', key, milliseconds, value) return wait_ok(fut) def set(self, key, value, *, expire=0, pexpire=0, exist=None): """Set the string value of a key. :raises TypeError: if expire or pexpire is not int """ if expire and not isinstance(expire, int): raise TypeError("expire argument must be int") if pexpire and not isinstance(pexpire, int): raise TypeError("pexpire argument must be int") args = [] if expire: args[:] = [b'EX', expire] if pexpire: args[:] = [b'PX', pexpire] if exist is self.SET_IF_EXIST: args.append(b'XX') elif exist is self.SET_IF_NOT_EXIST: args.append(b'NX') fut = self.execute(b'SET', key, value, *args) return wait_ok(fut) def setbit(self, key, offset, value): """Sets or clears the bit at offset in the string value stored at key. :raises TypeError: if offset is not int :raises ValueError: if offset is less than 0 or value is not 0 or 1 """ if not isinstance(offset, int): raise TypeError("offset argument must be int") if offset < 0: raise ValueError("offset must be greater equal 0") if value not in (0, 1): raise ValueError("value argument must be either 1 or 0") return self.execute(b'SETBIT', key, offset, value) def setex(self, key, seconds, value): """Set the value and expiration of a key. If seconds is float it will be multiplied by 1000 coerced to int and passed to `psetex` method. :raises TypeError: if seconds is neither int nor float """ if isinstance(seconds, float): return self.psetex(key, int(seconds * 1000), value) if not isinstance(seconds, int): raise TypeError("milliseconds argument must be int") fut = self.execute(b'SETEX', key, seconds, value) return wait_ok(fut) def setnx(self, key, value): """Set the value of a key, only if the key does not exist.""" fut = self.execute(b'SETNX', key, value) return wait_convert(fut, bool) def setrange(self, key, offset, value): """Overwrite part of a string at key starting at the specified offset. :raises TypeError: if offset is not int :raises ValueError: if offset less than 0 """ if not isinstance(offset, int): raise TypeError("offset argument must be int") if offset < 0: raise ValueError("offset must be greater equal 0") return self.execute(b'SETRANGE', key, offset, value) def strlen(self, key): """Get the length of the value stored in a key.""" return self.execute(b'STRLEN', key)