mirror of
https://github.com/ArchiveBox/ArchiveBox
synced 2024-11-23 04:33:11 +00:00
144 lines
4.1 KiB
Python
144 lines
4.1 KiB
Python
__package__ = 'archivebox.cli'
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__command__ = 'archivebox'
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import os
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import sys
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import argparse
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from typing import Optional, Dict, List, IO, Union
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from pathlib import Path
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from ..config import OUTPUT_DIR
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from importlib import import_module
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CLI_DIR = Path(__file__).resolve().parent
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# these common commands will appear sorted before any others for ease-of-use
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meta_cmds = ('help', 'version')
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main_cmds = ('init', 'info', 'config')
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archive_cmds = ('add', 'remove', 'update', 'list', 'status')
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fake_db = ("oneshot",)
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display_first = (*meta_cmds, *main_cmds, *archive_cmds)
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# every imported command module must have these properties in order to be valid
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required_attrs = ('__package__', '__command__', 'main')
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# basic checks to make sure imported files are valid subcommands
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is_cli_module = lambda fname: fname.startswith('archivebox_') and fname.endswith('.py')
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is_valid_cli_module = lambda module, subcommand: (
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all(hasattr(module, attr) for attr in required_attrs)
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and module.__command__.split(' ')[-1] == subcommand
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)
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def list_subcommands() -> Dict[str, str]:
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"""find and import all valid archivebox_<subcommand>.py files in CLI_DIR"""
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COMMANDS = []
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for filename in os.listdir(CLI_DIR):
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if is_cli_module(filename):
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subcommand = filename.replace('archivebox_', '').replace('.py', '')
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module = import_module('.archivebox_{}'.format(subcommand), __package__)
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assert is_valid_cli_module(module, subcommand)
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COMMANDS.append((subcommand, module.main.__doc__))
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globals()[subcommand] = module.main
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display_order = lambda cmd: (
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display_first.index(cmd[0])
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if cmd[0] in display_first else
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100 + len(cmd[0])
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)
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return dict(sorted(COMMANDS, key=display_order))
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def run_subcommand(subcommand: str,
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subcommand_args: List[str]=None,
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stdin: Optional[IO]=None,
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pwd: Union[Path, str, None]=None) -> None:
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"""Run a given ArchiveBox subcommand with the given list of args"""
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if subcommand not in meta_cmds:
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from ..config import setup_django
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setup_django(in_memory_db=subcommand in fake_db)
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module = import_module('.archivebox_{}'.format(subcommand), __package__)
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module.main(args=subcommand_args, stdin=stdin, pwd=pwd) # type: ignore
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SUBCOMMANDS = list_subcommands()
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class NotProvided:
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pass
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def main(args: Optional[List[str]]=NotProvided, stdin: Optional[IO]=NotProvided, pwd: Optional[str]=None) -> None:
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args = sys.argv[1:] if args is NotProvided else args
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stdin = sys.stdin if stdin is NotProvided else stdin
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subcommands = list_subcommands()
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parser = argparse.ArgumentParser(
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prog=__command__,
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description='ArchiveBox: The self-hosted internet archive',
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add_help=False,
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)
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group = parser.add_mutually_exclusive_group()
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group.add_argument(
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'--help', '-h',
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action='store_true',
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help=subcommands['help'],
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)
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group.add_argument(
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'--version',
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action='store_true',
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help=subcommands['version'],
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)
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group.add_argument(
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"subcommand",
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type=str,
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help= "The name of the subcommand to run",
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nargs='?',
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choices=subcommands.keys(),
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default=None,
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)
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parser.add_argument(
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"subcommand_args",
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help="Arguments for the subcommand",
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nargs=argparse.REMAINDER,
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)
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command = parser.parse_args(args or ())
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if command.version:
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command.subcommand = 'version'
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elif command.help or command.subcommand is None:
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command.subcommand = 'help'
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if command.subcommand not in ('help', 'version', 'status'):
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from ..logging_util import log_cli_command
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log_cli_command(
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subcommand=command.subcommand,
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subcommand_args=command.subcommand_args,
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stdin=stdin,
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pwd=pwd or OUTPUT_DIR
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)
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run_subcommand(
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subcommand=command.subcommand,
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subcommand_args=command.subcommand_args,
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stdin=stdin,
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pwd=pwd or OUTPUT_DIR,
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)
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__all__ = (
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'SUBCOMMANDS',
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'list_subcommands',
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'run_subcommand',
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*SUBCOMMANDS.keys(),
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)
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