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from redis._parsers.helpers import bool_ok
from ..helpers import get_protocol_version, parse_to_list
from .commands import * # noqa
from .info import BFInfo, CFInfo, CMSInfo, TDigestInfo, TopKInfo
class AbstractBloom:
"""
The client allows to interact with RedisBloom and use all of
it's functionality.
- BF for Bloom Filter
- CF for Cuckoo Filter
- CMS for Count-Min Sketch
- TOPK for TopK Data Structure
- TDIGEST for estimate rank statistics
"""
@staticmethod
def append_items(params, items):
"""Append ITEMS to params."""
params.extend(["ITEMS"])
params += items
@staticmethod
def append_error(params, error):
"""Append ERROR to params."""
if error is not None:
params.extend(["ERROR", error])
@staticmethod
def append_capacity(params, capacity):
"""Append CAPACITY to params."""
if capacity is not None:
params.extend(["CAPACITY", capacity])
@staticmethod
def append_expansion(params, expansion):
"""Append EXPANSION to params."""
if expansion is not None:
params.extend(["EXPANSION", expansion])
@staticmethod
def append_no_scale(params, noScale):
"""Append NONSCALING tag to params."""
if noScale is not None:
params.extend(["NONSCALING"])
@staticmethod
def append_weights(params, weights):
"""Append WEIGHTS to params."""
if len(weights) > 0:
params.append("WEIGHTS")
params += weights
@staticmethod
def append_no_create(params, noCreate):
"""Append NOCREATE tag to params."""
if noCreate is not None:
params.extend(["NOCREATE"])
@staticmethod
def append_items_and_increments(params, items, increments):
"""Append pairs of items and increments to params."""
for i in range(len(items)):
params.append(items[i])
params.append(increments[i])
@staticmethod
def append_values_and_weights(params, items, weights):
"""Append pairs of items and weights to params."""
for i in range(len(items)):
params.append(items[i])
params.append(weights[i])
@staticmethod
def append_max_iterations(params, max_iterations):
"""Append MAXITERATIONS to params."""
if max_iterations is not None:
params.extend(["MAXITERATIONS", max_iterations])
@staticmethod
def append_bucket_size(params, bucket_size):
"""Append BUCKETSIZE to params."""
if bucket_size is not None:
params.extend(["BUCKETSIZE", bucket_size])
class CMSBloom(CMSCommands, AbstractBloom):
def __init__(self, client, **kwargs):
"""Create a new RedisBloom client."""
# Set the module commands' callbacks
_MODULE_CALLBACKS = {
CMS_INITBYDIM: bool_ok,
CMS_INITBYPROB: bool_ok,
# CMS_INCRBY: spaceHolder,
# CMS_QUERY: spaceHolder,
CMS_MERGE: bool_ok,
}
_RESP2_MODULE_CALLBACKS = {
CMS_INFO: CMSInfo,
}
_RESP3_MODULE_CALLBACKS = {}
self.client = client
self.commandmixin = CMSCommands
self.execute_command = client.execute_command
if get_protocol_version(self.client) in ["3", 3]:
_MODULE_CALLBACKS.update(_RESP3_MODULE_CALLBACKS)
else:
_MODULE_CALLBACKS.update(_RESP2_MODULE_CALLBACKS)
for k, v in _MODULE_CALLBACKS.items():
self.client.set_response_callback(k, v)
class TOPKBloom(TOPKCommands, AbstractBloom):
def __init__(self, client, **kwargs):
"""Create a new RedisBloom client."""
# Set the module commands' callbacks
_MODULE_CALLBACKS = {
TOPK_RESERVE: bool_ok,
# TOPK_QUERY: spaceHolder,
# TOPK_COUNT: spaceHolder,
}
_RESP2_MODULE_CALLBACKS = {
TOPK_ADD: parse_to_list,
TOPK_INCRBY: parse_to_list,
TOPK_INFO: TopKInfo,
TOPK_LIST: parse_to_list,
}
_RESP3_MODULE_CALLBACKS = {}
self.client = client
self.commandmixin = TOPKCommands
self.execute_command = client.execute_command
if get_protocol_version(self.client) in ["3", 3]:
_MODULE_CALLBACKS.update(_RESP3_MODULE_CALLBACKS)
else:
_MODULE_CALLBACKS.update(_RESP2_MODULE_CALLBACKS)
for k, v in _MODULE_CALLBACKS.items():
self.client.set_response_callback(k, v)
class CFBloom(CFCommands, AbstractBloom):
def __init__(self, client, **kwargs):
"""Create a new RedisBloom client."""
# Set the module commands' callbacks
_MODULE_CALLBACKS = {
CF_RESERVE: bool_ok,
# CF_ADD: spaceHolder,
# CF_ADDNX: spaceHolder,
# CF_INSERT: spaceHolder,
# CF_INSERTNX: spaceHolder,
# CF_EXISTS: spaceHolder,
# CF_DEL: spaceHolder,
# CF_COUNT: spaceHolder,
# CF_SCANDUMP: spaceHolder,
# CF_LOADCHUNK: spaceHolder,
}
_RESP2_MODULE_CALLBACKS = {
CF_INFO: CFInfo,
}
_RESP3_MODULE_CALLBACKS = {}
self.client = client
self.commandmixin = CFCommands
self.execute_command = client.execute_command
if get_protocol_version(self.client) in ["3", 3]:
_MODULE_CALLBACKS.update(_RESP3_MODULE_CALLBACKS)
else:
_MODULE_CALLBACKS.update(_RESP2_MODULE_CALLBACKS)
for k, v in _MODULE_CALLBACKS.items():
self.client.set_response_callback(k, v)
class TDigestBloom(TDigestCommands, AbstractBloom):
def __init__(self, client, **kwargs):
"""Create a new RedisBloom client."""
# Set the module commands' callbacks
_MODULE_CALLBACKS = {
TDIGEST_CREATE: bool_ok,
# TDIGEST_RESET: bool_ok,
# TDIGEST_ADD: spaceHolder,
# TDIGEST_MERGE: spaceHolder,
}
_RESP2_MODULE_CALLBACKS = {
TDIGEST_BYRANK: parse_to_list,
TDIGEST_BYREVRANK: parse_to_list,
TDIGEST_CDF: parse_to_list,
TDIGEST_INFO: TDigestInfo,
TDIGEST_MIN: float,
TDIGEST_MAX: float,
TDIGEST_TRIMMED_MEAN: float,
TDIGEST_QUANTILE: parse_to_list,
}
_RESP3_MODULE_CALLBACKS = {}
self.client = client
self.commandmixin = TDigestCommands
self.execute_command = client.execute_command
if get_protocol_version(self.client) in ["3", 3]:
_MODULE_CALLBACKS.update(_RESP3_MODULE_CALLBACKS)
else:
_MODULE_CALLBACKS.update(_RESP2_MODULE_CALLBACKS)
for k, v in _MODULE_CALLBACKS.items():
self.client.set_response_callback(k, v)
class BFBloom(BFCommands, AbstractBloom):
def __init__(self, client, **kwargs):
"""Create a new RedisBloom client."""
# Set the module commands' callbacks
_MODULE_CALLBACKS = {
BF_RESERVE: bool_ok,
# BF_ADD: spaceHolder,
# BF_MADD: spaceHolder,
# BF_INSERT: spaceHolder,
# BF_EXISTS: spaceHolder,
# BF_MEXISTS: spaceHolder,
# BF_SCANDUMP: spaceHolder,
# BF_LOADCHUNK: spaceHolder,
# BF_CARD: spaceHolder,
}
_RESP2_MODULE_CALLBACKS = {
BF_INFO: BFInfo,
}
_RESP3_MODULE_CALLBACKS = {}
self.client = client
self.commandmixin = BFCommands
self.execute_command = client.execute_command
if get_protocol_version(self.client) in ["3", 3]:
_MODULE_CALLBACKS.update(_RESP3_MODULE_CALLBACKS)
else:
_MODULE_CALLBACKS.update(_RESP2_MODULE_CALLBACKS)
for k, v in _MODULE_CALLBACKS.items():
self.client.set_response_callback(k, v)
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