mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-11-10 16:45:51 +03:00
109 lines
3.0 KiB
Python
109 lines
3.0 KiB
Python
import argparse
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import json
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import sys
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formats = ['commonmark', 'asciidoc']
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parser = argparse.ArgumentParser(
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description = 'Generate documentation for a set of JSON-formatted NixOS options'
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)
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parser.add_argument(
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'nix_options_path',
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help = 'a path to a JSON file containing the NixOS options'
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)
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parser.add_argument(
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'-f',
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'--format',
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choices = formats,
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required = True,
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help = f'the documentation format to generate'
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)
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args = parser.parse_args()
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# Pretty-print certain Nix types, like literal expressions.
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def render_types(obj):
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if '_type' not in obj: return obj
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_type = obj['_type']
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if _type == 'literalExpression' or _type == 'literalDocBook':
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return obj['text']
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if _type == 'derivation':
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return obj['name']
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raise Exception(f'Unexpected type `{_type}` in {json.dumps(obj)}')
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def generate_commonmark(options):
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for (name, value) in options.items():
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print('##', name.replace('<', '<').replace('>', '>'))
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print(value['description'])
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print()
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if 'type' in value:
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print('*_Type_*')
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print ('```')
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print(value['type'])
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print ('```')
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print()
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print()
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if 'default' in value:
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print('*_Default_*')
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print('```')
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print(json.dumps(value['default'], ensure_ascii=False, separators=(',', ':')))
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print('```')
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print()
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print()
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if 'example' in value:
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print('*_Example_*')
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print('```')
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print(json.dumps(value['example'], ensure_ascii=False, separators=(',', ':')))
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print('```')
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print()
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print()
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# TODO: declarations: link to github
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def generate_asciidoc(options):
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for (name, value) in options.items():
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print(f'== {name}')
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print()
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print(value['description'])
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print()
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print('[discrete]')
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print('=== details')
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print()
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print(f'Type:: {value["type"]}')
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if 'default' in value:
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print('Default::')
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print('+')
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print('----')
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print(json.dumps(value['default'], ensure_ascii=False, separators=(',', ':')))
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print('----')
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print()
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else:
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print('No Default:: {blank}')
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if value['readOnly']:
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print('Read Only:: {blank}')
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else:
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print()
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if 'example' in value:
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print('Example::')
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print('+')
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print('----')
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print(json.dumps(value['example'], ensure_ascii=False, separators=(',', ':')))
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print('----')
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print()
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else:
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print('No Example:: {blank}')
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print()
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with open(args.nix_options_path) as nix_options_json:
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options = json.load(nix_options_json, object_hook=render_types)
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if args.format == 'commonmark':
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generate_commonmark(options)
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elif args.format == 'asciidoc':
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generate_asciidoc(options)
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else:
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raise Exception(f'Unsupported documentation format `--format {args.format}`')
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