env-validator

A lightweight Python package for validating required environment variables.

Why?

Applications often depend on environment variables such as:

• AWS credentials
• Database connection strings
• API keys
• Application configuration

This package helps ensure all required variables are present before your application starts.

Installation

pip install env-validator

Usage

from env_validator import validate_env

validate_env([
    "AWS_REGION",
    "DB_HOST",
    "DB_USER"
])

Successful Validation

validate_env(["TEST_VAR"])

Returns:

True

Missing Variables

validate_env([
    "AWS_REGION",
    "DB_HOST"
])

Raises:

MissingEnvironmentVariableError

Example:

from env_validator import (
    validate_env,
    MissingEnvironmentVariableError
)

try:
    validate_env(["DB_HOST"])
except MissingEnvironmentVariableError as e:
    print(e)

Output:

Missing environment variables: DB_HOST

Running Tests

pytest -v

License

MIT