36 lines
1,004 B
Python
36 lines
1,004 B
Python
import argparse
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import json
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import logging
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import sys
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from typing import Callable, TYPE_CHECKING, Any
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from app import app
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from app.lists import lists
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if TYPE_CHECKING:
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_SubparserType = argparse._SubParsersAction[argparse.ArgumentParser]
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else:
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_SubparserType = Any
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def dump(list_f: Callable[[], Any]) -> None:
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json.dump(list_f(), sys.stdout, indent=2)
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class ListCliHandler:
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@classmethod
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def add_subparser_to(cls, subparsers: _SubparserType) -> None:
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parser = subparsers.add_parser("list", help="list operations")
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parser.add_argument("--dump", choices=sorted(lists.keys()),
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help="dump a list in JSON format")
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parser.set_defaults(cls=cls)
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def __init__(self, args: argparse.Namespace) -> None:
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self.args = args
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def run(self) -> None:
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with app.app_context():
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if self.args.dump:
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dump(lists[self.args.dump])
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else:
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logging.error("No action requested")
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