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# +-----------------------------------------------+
# | |
# | Give Feedback / Get Help |
# | https://github.com/BerriAI/litellm/issues/new |
# | |
# +-----------------------------------------------+
#
# Thank you users! We ❤️ you! - Krrish & Ishaan
# s/o [@Frank Colson](https://www.linkedin.com/in/frank-colson-422b9b183/) for this redis implementation
import os
import inspect
import redis, litellm
from typing import List, Optional
def _get_redis_kwargs():
arg_spec = inspect.getfullargspec(redis.Redis)
# Only allow primitive arguments
exclude_args = {
"self",
"connection_pool",
"retry",
}
include_args = ["url"]
available_args = [x for x in arg_spec.args if x not in exclude_args] + include_args
return available_args
def _get_redis_env_kwarg_mapping():
PREFIX = "REDIS_"
return {f"{PREFIX}{x.upper()}": x for x in _get_redis_kwargs()}
def _redis_kwargs_from_environment():
mapping = _get_redis_env_kwarg_mapping()
return_dict = {}
for k, v in mapping.items():
value = litellm.get_secret(k, default_value=None) # check os.environ/key vault
if value is not None:
return_dict[v] = value
return return_dict
def get_redis_url_from_environment():
if "REDIS_URL" in os.environ:
return os.environ["REDIS_URL"]
if "REDIS_HOST" not in os.environ or "REDIS_PORT" not in os.environ:
raise ValueError(
"Either 'REDIS_URL' or both 'REDIS_HOST' and 'REDIS_PORT' must be specified for Redis."
)
if "REDIS_PASSWORD" in os.environ:
redis_password = f":{os.environ['REDIS_PASSWORD']}@"
else:
redis_password = ""
return (
f"redis://{redis_password}{os.environ['REDIS_HOST']}:{os.environ['REDIS_PORT']}"
)
def get_redis_client(**env_overrides):
### check if "os.environ/<key-name>" passed in
for k, v in env_overrides.items():
if isinstance(v, str) and v.startswith("os.environ/"):
v = v.replace("os.environ/", "")
value = litellm.get_secret(v)
env_overrides[k] = value
redis_kwargs = {
**_redis_kwargs_from_environment(),
**env_overrides,
}
if "url" in redis_kwargs and redis_kwargs["url"] is not None:
redis_kwargs.pop("host", None)
redis_kwargs.pop("port", None)
redis_kwargs.pop("db", None)
redis_kwargs.pop("password", None)
return redis.Redis.from_url(**redis_kwargs)
elif "host" not in redis_kwargs or redis_kwargs["host"] is None:
raise ValueError("Either 'host' or 'url' must be specified for redis.")
litellm.print_verbose(f"redis_kwargs: {redis_kwargs}")
return redis.Redis(**redis_kwargs)
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