dfhack/travis/script-docs.py

93 lines
3.0 KiB
Python

#!/usr/bin/env python3
import os
from os.path import basename, dirname, join, splitext
import sys
SCRIPT_PATH = sys.argv[1] if len(sys.argv) > 1 else 'scripts'
IS_GITHUB_ACTIONS = bool(os.environ.get('GITHUB_ACTIONS'))
def expected_cmd(path):
"""Get the command from the name of a script."""
dname, fname = basename(dirname(path)), splitext(basename(path))[0]
if dname in ('devel', 'fix', 'gui', 'modtools'):
return dname + '/' + fname
return fname
def check_ls(fname, line):
"""Check length & existence of leading comment for "ls" builtin command."""
line = line.strip()
comment = '--' if fname.endswith('.lua') else '#'
if '[====[' in line or not line.startswith(comment):
print_error('missing leading comment (requred for `ls`)', fname)
return 1
return 0
def print_error(message, filename, line=None):
if not isinstance(line, int):
line = 1
print('Error: %s:%i: %s' % (filename, line, message))
if IS_GITHUB_ACTIONS:
print('::error file=%s,line=%i::%s' % (filename, line, message))
def check_file(fname):
errors, doclines = 0, []
tok1, tok2 = ('=begin', '=end') if fname.endswith('.rb') else \
('[====[', ']====]')
doc_start_line = None
with open(fname, errors='ignore') as f:
lines = f.readlines()
if not lines:
print_error('empty file', fname)
return 1
errors += check_ls(fname, lines[0])
for i, l in enumerate(lines):
if doclines or l.strip().endswith(tok1):
if not doclines:
doc_start_line = i + 1
doclines.append(l.rstrip())
if l.startswith(tok2):
break
else:
if doclines:
print_error('docs start but do not end', fname, doc_start_line)
else:
print_error('no documentation found', fname)
return 1
if not doclines:
print_error('missing or malformed documentation', fname)
return 1
title, underline = [d for d in doclines
if d and '=begin' not in d and '[====[' not in d][:2]
title_line = doc_start_line + doclines.index(title)
expected_underline = '=' * len(title)
if underline != expected_underline:
print_error('title/underline mismatch: expected {!r}, got {!r}'.format(
expected_underline, underline),
fname, title_line + 1)
errors += 1
if title != expected_cmd(fname):
print_error('expected script title {!r}, got {!r}'.format(
expected_cmd(fname), title),
fname, title_line)
errors += 1
return errors
def main():
"""Check that all DFHack scripts include documentation"""
err = 0
for root, _, files in os.walk(SCRIPT_PATH):
for f in files:
if f[-3:] in {'.rb', 'lua'}:
err += check_file(join(root, f))
return err
if __name__ == '__main__':
sys.exit(min(100, main()))