47 lines
1.8 KiB
Python
47 lines
1.8 KiB
Python
from argparse import ArgumentParser
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from typing import Optional
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import os
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class AmanuensisConfig:
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"""Base config type. Defines config keys for subclasses to override."""
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# If CONFIG_FILE is defined, the config file it points to may override
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# config values defined on the config object itself.
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CONFIG_FILE: Optional[str] = None
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STATIC_ROOT: Optional[str] = "../resources"
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SECRET_KEY: Optional[str] = "secret"
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DATABASE_URI: Optional[str] = "sqlite:///:memory:"
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TESTING: bool = False
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class EnvironmentConfig(AmanuensisConfig):
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"""Loads config values from environment variables."""
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CONFIG_FILE = os.environ.get("AMANUENSIS_CONFIG_FILE", AmanuensisConfig.CONFIG_FILE)
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STATIC_ROOT = os.environ.get("AMANUENSIS_STATIC_ROOT", AmanuensisConfig.STATIC_ROOT)
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SECRET_KEY = os.environ.get("AMANUENSIS_SECRET_KEY", AmanuensisConfig.SECRET_KEY)
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DATABASE_URI = os.environ.get(
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"AMANUENSIS_DATABASE_URI", AmanuensisConfig.DATABASE_URI
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)
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TESTING = os.environ.get("AMANUENSIS_TESTING", "").lower() in ("true", "1")
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class CommandLineConfig(AmanuensisConfig):
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"""Loads config values from command line arguments."""
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def __init__(self) -> None:
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parser = ArgumentParser()
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parser.add_argument("--config-file", default=AmanuensisConfig.CONFIG_FILE)
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parser.add_argument("--static-root", default=AmanuensisConfig.STATIC_ROOT)
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parser.add_argument("--secret-key", default=AmanuensisConfig.SECRET_KEY)
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parser.add_argument("--database-uri", default=AmanuensisConfig.DATABASE_URI)
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parser.add_argument("--debug", action="store_true")
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args = parser.parse_args()
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self.CONFIG_FILE = args.config_file
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self.STATIC_ROOT = args.static_root
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self.SECRET_KEY = args.secret_key
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self.DATABASE_URI = args.database_uri
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self.TESTING = args.debug
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