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[Misc] Use from_env to initialize the configuration #47

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[Misc] Use from_env to initialize the configuration #47

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a3dede7
use from_env to initialize the configuration
ApostaC Dec 13, 2024
b768b49
Merge branch 'dev' into localdev/env-configurations
ApostaC Jan 6, 2025
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21 changes: 21 additions & 0 deletions lmcache_vllm/vllm_adapter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,27 @@ def create_model_input_subset(
return model_input_subset


def lmcache_get_config() -> LMCacheEngineConfig:
"""Get the LMCache configuration from the environment variable
`LMCACHE_CONFIG_FILE`. If the environment variable is not set, this
function will return the default configuration.
"""
if hasattr(lmcache_get_config, "cached_config"):
return lmcache_get_config.cached_config

if "LMCACHE_CONFIG_FILE" not in os.environ:
logger.warn("No LMCache configuration file is set. Trying to read"
" configurations from the environment variables.")
logger.warn("You can set the configuration file through "
"the environment variable: LMCACHE_CONFIG_FILE")
config = LMCacheEngineConfig.from_env()
else:
config_file = os.environ["LMCACHE_CONFIG_FILE"]
logger.info(f"Loading LMCache config file {config_file}")
config = LMCacheEngineConfig.from_file(config_file)

lmcache_get_config.cached_config = config
return config


def lmcache_remove_request_id_indices(request_id):
Expand Down