mirror of
https://github.com/nix-community/home-manager
synced 2024-11-14 15:19:45 +01:00
56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
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import argparse
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import sys
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import textwrap
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import traceback
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from io import StringIO
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from pprint import pprint
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from nixos_render_docs import manual
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from . import options
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from nixos_render_docs import parallel
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def pretty_print_exc(e: BaseException, *, _desc_text: str = "error") -> None:
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print(f"\x1b[1;31m{_desc_text}:\x1b[0m", file=sys.stderr)
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# destructure Exception and RuntimeError specifically so we can show nice
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# messages for errors that weren't given their own exception type with
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# a good pretty-printer.
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if type(e) is Exception or type(e) is RuntimeError:
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args = e.args
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if len(args) and isinstance(args[0], str):
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print("\t", args[0], file=sys.stderr, sep="")
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args = args[1:]
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buf = StringIO()
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for arg in args:
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pprint(arg, stream=buf)
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if extra_info := buf.getvalue():
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print("\x1b[1;34mextra info:\x1b[0m", file=sys.stderr)
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print(textwrap.indent(extra_info, "\t"), file=sys.stderr, end="")
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else:
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print(e)
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if e.__cause__ is not None:
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print("", file=sys.stderr)
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pretty_print_exc(e.__cause__, _desc_text="caused by")
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def main() -> None:
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parser = argparse.ArgumentParser(description='render nixos manual bits')
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parser.add_argument('-j', '--jobs', type=int, default=None)
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commands = parser.add_subparsers(dest='command', required=True)
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options.build_cli(commands.add_parser('options'))
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manual.build_cli(commands.add_parser('manual'))
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args = parser.parse_args()
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try:
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parallel.pool_processes = args.jobs
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if args.command == 'options':
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options.run_cli(args)
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elif args.command == 'manual':
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manual.run_cli(args)
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else:
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raise RuntimeError('command not hooked up', args)
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except Exception as e:
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traceback.print_exc()
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pretty_print_exc(e)
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sys.exit(1)
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