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