esphome-docs/travis.py
Otto Winter bc748b834a
Lint
2019-06-14 12:50:51 +02:00

119 lines
4.0 KiB
Python

from pathlib import Path
import re
import sys
errors = []
def find_all(a_str, sub):
for i, line in enumerate(a_str.splitlines()):
column = 0
while True:
column = line.find(sub, column)
if column == -1:
break
yield i, column
column += len(sub)
section_regex = re.compile(r'^(=+|-+|\*+|~+)$')
directive_regex = re.compile(r'^(\s*)\.\. (.*)::.*$')
directive_arg_regex = re.compile(r'^(\s+):.*:\s*.*$')
esphome_io_regex = re.compile(r'https://esphome.io/')
for f in sorted(Path('.').glob('**/*.rst')):
try:
content = f.read_text('utf-8')
except UnicodeDecodeError:
errors.append("File {} is not readable as UTF-8. Please set your editor to UTF-8 mode."
"".format(f))
continue
if not content.endswith('\n'):
errors.append("Newline at end of file missing. Please insert an empty line at end "
"of file {}".format(f))
# Check tab character
for line, col in find_all(content, '\t'):
errors.append("File {} contains tab character on line {}:{}. "
"Please convert tabs to spaces.".format(f, line + 1, col))
# Check windows newline
for line, col in find_all(content, '\r'):
errors.append("File {} contains windows newline on line {}:{}. "
"Please set your editor to unix newline mode.".format(f, line + 1, col))
lines = content.splitlines(keepends=False)
# Check whitespace at end of line
for i, line in enumerate(lines):
if line.rstrip() != line:
errors.append("Lines must not contain spaces at the end of the line. Please "
"remove spaces at the end of {}:{}".format(f, i+1))
for i, line in enumerate(lines):
if i == 0:
continue
if not section_regex.match(line):
continue
line_above = lines[i - 1]
if len(line_above) != len(line):
errors.append("The title length must match the bar length below it. See {}:{}"
"".format(f, i+1))
if i + 1 < len(lines) and lines[i + 1]:
errors.append("Empty line after heading is missing. Please insert an "
"empty line. See {}:{}".format(f, i+1))
for i, line in enumerate(lines):
m = directive_regex.match(line)
if m is None:
continue
base_indentation = len(m.group(1))
directive_name = m.group(2)
if directive_name.startswith('|') or directive_name == 'seo':
continue
# Match directive args
for j in range(i + 1, len(lines)):
if not directive_arg_regex.match(lines[j]):
break
else:
# Reached end of file
continue
# Empty line must follow
if lines[j]:
errors.append("Directive '{}' is not followed by an empty line. Please insert an "
"empty line after {}:{}".format(directive_name, f, j))
continue
k = j + 1
for j in range(k, len(lines)):
if not lines[j]:
# Ignore Empty lines
continue
num_spaces = len(lines[j]) - len(lines[j].lstrip())
if num_spaces <= base_indentation:
# Finished with this directive
break
num_indent = num_spaces - base_indentation
if j == k and num_indent != 4:
errors.append("Directive '{}' must be indented with 4 spaces, not {}. See "
"{}:{}".format(directive_name, num_indent, f, j+1))
break
for i, line in enumerate(lines):
if esphome_io_regex.search(line):
if 'privacy.rst' in str(f) or 'web_server.rst' in str(f):
continue
errors.append("All links to esphome.io should be relative, please remove esphome.io "
"from URL. See {}:{}".format(f, i+1))
for error in errors:
print(error)
sys.exit(len(errors))