omicron
b4c84ab7ea
The following are in a minimal working state: - Database schema - Basic database interaction - Configuration file parsing - Command line interface - Basic route handling for categories, auth and health - Simple static webapp files
75 lines
2.0 KiB
Python
75 lines
2.0 KiB
Python
import os
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import sys
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import argparse
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import uvicorn
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import mft.config
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from pathlib import Path
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def transform_args(args: argparse.Namespace) -> argparse.Namespace:
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args.config = args.config.expanduser().absolute()
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return args
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def parse_args() -> argparse.Namespace:
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parser = argparse.ArgumentParser(
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description="MinimalFinanceTracker - Simple expense tracking"
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)
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# Global flags
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parser.add_argument(
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"-c",
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"--config",
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type=Path,
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default=mft.config.get_default_config_path(),
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help="Path to config file",
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)
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# Subcommands
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subparsers = parser.add_subparsers(dest="command", required=True)
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# run subcommand
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run_parser = subparsers.add_parser("run", help="Run the web application")
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run_parser.add_argument(
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"--debug", action="store_true", help="Run in debug mode with auto-reload"
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)
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return transform_args(parser.parse_args())
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def delayed_import_settings():
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# NOTE: Because uvicorn starts new python processes we need some way to
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# communicate the config file path to these other processes. This also adds
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# some complexity to creating the settings object, because it can't be
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# passed around to the child process. The chosen solution is to set
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# MFT_CONFIG_PATH in the environment of the cli (parent) and to use this
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# value in the mft.settings module to create a global settings singleton.
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from mft.settings import settings
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return settings
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def main():
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args = parse_args()
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if not args.config.exists():
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print(f"Error: Config file `{args.config}` does not exist.", file=sys.stderr)
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sys.exit(1)
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os.environ["MFT_CONFIG_PATH"] = str(args.config)
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settings = delayed_import_settings()
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if args.command == "run":
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run_command(args, settings)
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def run_command(args, settings):
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uvicorn.run(
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"mft.app:app",
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host=settings.host,
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port=settings.port,
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reload=args.debug,
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log_level="debug" if args.debug else "info",
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)
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if __name__ == "__main__":
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main()
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