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import os |
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import inspect |
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import redis, litellm |
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from typing import List, Optional |
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def _get_redis_kwargs(): |
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arg_spec = inspect.getfullargspec(redis.Redis) |
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exclude_args = { |
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"self", |
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"connection_pool", |
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"retry", |
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} |
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include_args = ["url"] |
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available_args = [x for x in arg_spec.args if x not in exclude_args] + include_args |
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return available_args |
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def _get_redis_env_kwarg_mapping(): |
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PREFIX = "REDIS_" |
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return {f"{PREFIX}{x.upper()}": x for x in _get_redis_kwargs()} |
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def _redis_kwargs_from_environment(): |
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mapping = _get_redis_env_kwarg_mapping() |
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return_dict = {} |
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for k, v in mapping.items(): |
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value = litellm.get_secret(k, default_value=None) |
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if value is not None: |
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return_dict[v] = value |
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return return_dict |
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def get_redis_url_from_environment(): |
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if "REDIS_URL" in os.environ: |
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return os.environ["REDIS_URL"] |
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if "REDIS_HOST" not in os.environ or "REDIS_PORT" not in os.environ: |
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raise ValueError( |
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"Either 'REDIS_URL' or both 'REDIS_HOST' and 'REDIS_PORT' must be specified for Redis." |
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) |
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if "REDIS_PASSWORD" in os.environ: |
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redis_password = f":{os.environ['REDIS_PASSWORD']}@" |
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else: |
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redis_password = "" |
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return ( |
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f"redis://{redis_password}{os.environ['REDIS_HOST']}:{os.environ['REDIS_PORT']}" |
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) |
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def get_redis_client(**env_overrides): |
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for k, v in env_overrides.items(): |
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if isinstance(v, str) and v.startswith("os.environ/"): |
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v = v.replace("os.environ/", "") |
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value = litellm.get_secret(v) |
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env_overrides[k] = value |
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redis_kwargs = { |
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**_redis_kwargs_from_environment(), |
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**env_overrides, |
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} |
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if "url" in redis_kwargs and redis_kwargs["url"] is not None: |
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redis_kwargs.pop("host", None) |
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redis_kwargs.pop("port", None) |
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redis_kwargs.pop("db", None) |
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redis_kwargs.pop("password", None) |
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return redis.Redis.from_url(**redis_kwargs) |
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elif "host" not in redis_kwargs or redis_kwargs["host"] is None: |
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raise ValueError("Either 'host' or 'url' must be specified for redis.") |
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litellm.print_verbose(f"redis_kwargs: {redis_kwargs}") |
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return redis.Redis(**redis_kwargs) |
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