162 lines
6.4 KiB
Python
162 lines
6.4 KiB
Python
from typing import List
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from zulint.custom_rules import RuleList
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MYPY = False
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if MYPY:
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from zulint.custom_rules import Rule
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whitespace_rules = [
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# This linter should be first since bash_rules depends on it.
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{'pattern': r'\s+$',
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'strip': '\n',
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'description': 'Fix trailing whitespace'},
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{'pattern': '\t',
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'strip': '\n',
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'description': 'Fix tab-based whitespace'},
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] # type: List[Rule]
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markdown_whitespace_rules = list([rule for rule in whitespace_rules if rule['pattern'] != r'\s+$']) + [
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# Two spaces trailing a line with other content is okay--it's a markdown line break.
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# This rule finds one space trailing a non-space, three or more trailing spaces, and
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# spaces on an empty line.
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{'pattern': r'((?<!\s)\s$)|(\s\s\s+$)|(^\s+$)',
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'strip': '\n',
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'description': 'Fix trailing whitespace'},
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{'pattern': r'^#+[A-Za-z0-9]',
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'strip': '\n',
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'description': 'Missing space after # in heading'},
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]
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python_rules = RuleList(
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langs=['py'],
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rules=[
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{'pattern': r'".*"%\([a-z_].*\)?$',
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'description': 'Missing space around "%"'},
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{'pattern': r"'.*'%\([a-z_].*\)?$",
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'description': 'Missing space around "%"'},
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# This rule is constructed with + to avoid triggering on itself
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{'pattern': r" =" + r'[^ =>~"]',
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'description': 'Missing whitespace after "="'},
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{'pattern': r'":\w[^"]*$',
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'description': 'Missing whitespace after ":"'},
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{'pattern': r"':\w[^']*$",
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'description': 'Missing whitespace after ":"'},
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{'pattern': r"^\s+[#]\w",
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'strip': '\n',
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'description': 'Missing whitespace after "#"'},
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{'pattern': r"assertEquals[(]",
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'description': 'Use assertEqual, not assertEquals (which is deprecated).'},
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{'pattern': r'self: Any',
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'description': 'you can omit Any annotation for self',
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'good_lines': ['def foo (self):'],
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'bad_lines': ['def foo(self: Any):']},
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{'pattern': r"== None",
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'description': 'Use `is None` to check whether something is None'},
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{'pattern': r"type:[(]",
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'description': 'Missing whitespace after ":" in type annotation'},
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{'pattern': r"# type [(]",
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'description': 'Missing : after type in type annotation'},
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{'pattern': r"#type",
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'description': 'Missing whitespace after "#" in type annotation'},
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{'pattern': r'if[(]',
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'description': 'Missing space between if and ('},
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{'pattern': r", [)]",
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'description': 'Unnecessary whitespace between "," and ")"'},
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{'pattern': r"% [(]",
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'description': 'Unnecessary whitespace between "%" and "("'},
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# This next check could have false positives, but it seems pretty
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# rare; if we find any, they can be added to the exclude list for
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# this rule.
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{'pattern': r' % [a-zA-Z0-9_.]*\)?$',
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'description': 'Used % comprehension without a tuple'},
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{'pattern': r'.*%s.* % \([a-zA-Z0-9_.]*\)$',
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'description': 'Used % comprehension without a tuple'},
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{'pattern': r'__future__',
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'include_only': {'zulip_bots/zulip_bots/bots/'},
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'description': 'Bots no longer need __future__ imports.'},
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{'pattern': r'#!/usr/bin/env python$',
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'include_only': {'zulip_bots/'},
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'description': 'Python shebangs must be python3'},
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{'pattern': r'(^|\s)open\s*\(',
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'description': 'open() should not be used in Zulip\'s bots. Use functions'
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' provided by the bots framework to access the filesystem.',
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'include_only': {'zulip_bots/zulip_bots/bots/'}},
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{'pattern': r'pprint',
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'description': 'Used pprint, which is most likely a debugging leftover. For user output, use print().'},
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{'pattern': r'\(BotTestCase\)',
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'bad_lines': ['class TestSomeBot(BotTestCase):'],
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'description': 'Bot test cases should directly inherit from BotTestCase *and* DefaultTests.'},
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{'pattern': r'\(DefaultTests, BotTestCase\)',
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'bad_lines': ['class TestSomeBot(DefaultTests, BotTestCase):'],
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'good_lines': ['class TestSomeBot(BotTestCase, DefaultTests):'],
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'description': 'Bot test cases should inherit from BotTestCase before DefaultTests.'},
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*whitespace_rules,
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],
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max_length=140,
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)
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bash_rules = RuleList(
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langs=['sh'],
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rules=[
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{'pattern': r'#!.*sh [-xe]',
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'description': 'Fix shebang line with proper call to /usr/bin/env for Bash path, change -x|-e switches'
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' to set -x|set -e'},
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*whitespace_rules[0:1],
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],
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)
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json_rules = RuleList(
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langs=['json'],
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# Here, we don't check tab-based whitespace, because the tab-based
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# whitespace rule flags a lot of third-party JSON fixtures
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# under zerver/webhooks that we want preserved verbatim. So
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# we just include the trailing whitespace rule and a modified
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# version of the tab-based whitespace rule (we can't just use
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# exclude in whitespace_rules, since we only want to ignore
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# JSON files with tab-based whitespace, not webhook code).
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rules= whitespace_rules[0:1],
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)
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prose_style_rules = [
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{'pattern': r'[^\/\#\-"]([jJ]avascript)', # exclude usage in hrefs/divs
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'description': "javascript should be spelled JavaScript"},
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{'pattern': r'''[^\/\-\."'\_\=\>]([gG]ithub)[^\.\-\_"\<]''', # exclude usage in hrefs/divs
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'description': "github should be spelled GitHub"},
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{'pattern': r'[oO]rganisation', # exclude usage in hrefs/divs
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'description': "Organization is spelled with a z"},
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{'pattern': r'!!! warning',
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'description': "!!! warning is invalid; it's spelled '!!! warn'"},
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{'pattern': r'[^-_]botserver(?!rc)|bot server',
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'description': "Use Botserver instead of botserver or Botserver."},
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] # type: List[Rule]
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markdown_docs_length_exclude = {
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"zulip_bots/zulip_bots/bots/converter/doc.md",
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}
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markdown_rules = RuleList(
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langs=['md'],
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rules=[
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*markdown_whitespace_rules,
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*prose_style_rules,
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{'pattern': r'\[(?P<url>[^\]]+)\]\((?P=url)\)',
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'description': 'Linkified markdown URLs should use cleaner <http://example.com> syntax.'}
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],
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max_length=120,
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length_exclude=markdown_docs_length_exclude,
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)
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txt_rules = RuleList(
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langs=['txt'],
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rules=whitespace_rules,
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)
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non_py_rules = [
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json_rules,
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markdown_rules,
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bash_rules,
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txt_rules,
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]
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