qi<dZddlmZddlZGddeZdddZy) zrEnvironment variable helpers. This module provides small, centralized parsing helpers for environment variables. ) annotationsNc$eZdZdZdfd ZxZS)InvalidEnvVarValueErrorz;Raised when an environment variable value cannot be parsed.c bt|d|d|d|d||_||_||_y)z&Initialize an InvalidEnvVarValueError.zInvalid value for env var z: z . Expected .N)super__init__namevalueexpected)selfr r r __class__s C/opt/pipecat/venv/lib/python3.12/site-packages/pipecat/utils/env.pyr z InvalidEnvVarValueError.__init__s> 5dXRy T\S]]^_`    )r strr rr r)__name__ __module__ __qualname____doc__r __classcell__)rs@rrrsE!!rrctj|}||S|jj}|dvry|dvryt ||d)aInterpret an environment variable as a boolean. - If the variable is **not set**, returns `default`. - If the variable is set to a recognized boolean string, returns the parsed value. - Otherwise, raises `InvalidEnvVarValueError`. Recognized values (case-insensitive, whitespace ignored): - Truthy: "1", "true", "yes", "y", "on" - Falsy: "0", "false", "no", "n", "off", "" >1yonyestrueT>0nnoofffalseFz true or false)r r r )osgetenvstriplowerr)r defaultrawvals r env_truthyr*s] ))D/C { ))+   C -- 22 !   r)F)r rr'boolreturnr+)r __future__rr# ValueErrorrr*rrr0s# # !j!r