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"""
scripts/gen_mapfiles.py
~~~~~~~~~~~~~~~~~~~~~~~
Regenerate mapping files.
:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from importlib import import_module
from pathlib import Path
import re
import sys
top_src_dir = Path(__file__).parent.parent
pygments_package = top_src_dir / 'pygments'
sys.path.insert(0, str(pygments_package.parent.resolve()))
from pygments.util import docstring_headline
def main():
for key in ['lexers', 'formatters']:
lines = []
for file in (pygments_package / key).glob('[!_]*.py'):
module_name = '.'.join(file.relative_to(pygments_package.parent).with_suffix('').parts)
print(module_name)
module = import_module(module_name)
for obj_name in module.__all__:
obj = getattr(module, obj_name)
desc = (module_name, obj.name, tuple(obj.aliases), tuple(obj.filenames))
if key == 'lexers':
desc += (tuple(obj.mimetypes),)
elif key == 'formatters':
desc += (docstring_headline(obj),)
else:
assert False
lines.append(f' {obj_name!r}: {desc!r},')
# Sort to make diffs minimal.
lines.sort()
new_dict = '\n'.join(lines)
content = f'''# Automatically generated by scripts/gen_mapfiles.py.
# DO NOT EDIT BY HAND; run `make mapfiles` instead.
{key.upper()} = {{
{new_dict}
}}
'''
(pygments_package / key / '_mapping.py').write_text(content, encoding='utf8')
print(f'=== {len(lines)} {key} processed.')
if __name__ == '__main__':
main()
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