mirror of
https://github.com/zulip/zulip.git
synced 2025-11-04 05:53:43 +00:00
559 lines
22 KiB
Python
Executable File
559 lines
22 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import print_function
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from __future__ import absolute_import
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from contextlib import contextmanager
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import logging
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import os
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import re
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import sys
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import optparse
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import subprocess
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import traceback
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try:
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import lister
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from typing import cast, Any, Callable, Dict, Iterator, List, Optional, Tuple
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except ImportError as e:
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print("ImportError: {}".format(e))
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print("You need to run the Zulip linters inside a Zulip dev environment.")
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print("If you are using Vagrant, you can `vagrant ssh` to enter the Vagrant guest.")
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sys.exit(1)
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# Exclude some directories and files from lint checking
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EXCLUDED_FILES = """
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api/integrations/perforce/git_p4.py
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api/setup.py
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docs/conf.py
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docs/html_unescape.py
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node_modules
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puppet/apt/.forge-release
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puppet/apt/README.md
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static/locale
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static/third
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zerver/migrations
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zproject/dev_settings.py
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zproject/settings.py
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zproject/test_settings.py
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""".split()
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@contextmanager
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def bright_red_output():
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# type: () -> Iterator[None]
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# Make the lint output bright red
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sys.stdout.write('\x1B[1;31m')
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sys.stdout.flush()
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try:
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yield
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finally:
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# Restore normal terminal colors
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sys.stdout.write('\x1B[0m')
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def check_pyflakes(options, by_lang):
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# type: (Any, Dict[str, List[str]]) -> bool
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if not by_lang['py']:
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return False
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failed = False
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pyflakes = subprocess.Popen(['pyflakes'] + by_lang['py'],
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stdout = subprocess.PIPE,
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stderr = subprocess.PIPE,
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universal_newlines = True)
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# pyflakes writes some output (like syntax errors) to stderr. :/
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for pipe in (pyflakes.stdout, pyflakes.stderr):
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for ln in pipe:
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if options.full or not \
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('imported but unused' in ln or
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'redefinition of unused' in ln or
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("zerver/models.py" in ln and
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" undefined name 'bugdown'" in ln) or
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("scripts/lib/pythonrc.py" in ln and
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" import *' used; unable to detect undefined names" in ln) or
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("zerver/tornado/ioloop_logging.py" in ln and
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"redefinition of function 'instrument_tornado_ioloop'" in ln) or
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("zephyr_mirror_backend.py:" in ln and
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"redefinition of unused 'simplejson' from line" in ln)):
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sys.stdout.write(ln)
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failed = True
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return failed
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def check_pep8(files):
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# type: (List[str]) -> bool
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failed = False
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ignored_rules = [
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'E402', 'E501', 'W503', 'E711', 'E128', 'E226',
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'E126', 'E121', 'E123', 'E266', 'E265', 'E261', 'E221',
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'E241', 'E712', 'E702', 'E401', 'E115', 'E114', 'E731', 'E302',
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'E741', 'E714', 'W391', 'E713', 'E305', 'E251', 'E306',
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]
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pep8 = subprocess.Popen(
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['pycodestyle'] + files + ['--ignore={rules}'.format(rules=','.join(ignored_rules))],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
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for pipe in (pep8.stdout, pep8.stderr):
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for ln in pipe:
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sys.stdout.write(ln)
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failed = True
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return failed
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def run_parallel(lint_functions):
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# type: (Dict[str, Callable[[], int]]) -> bool
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pids = []
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for name, func in lint_functions.items():
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pid = os.fork()
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if pid == 0:
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logging.info("start " + name)
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result = func()
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logging.info("finish " + name)
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sys.stdout.flush()
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sys.stderr.flush()
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os._exit(result)
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pids.append(pid)
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failed = False
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for pid in pids:
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(_, status) = os.waitpid(pid, 0)
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if status != 0:
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failed = True
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return failed
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def build_custom_checkers(by_lang):
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# type: (Dict[str, List[str]]) -> Tuple[Callable[[], bool], Callable[[], bool]]
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RuleList = List[Dict[str, Any]]
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def custom_check_file(fn, rules, skip_rules=None, max_length=None):
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# type: (str, RuleList, Optional[Any], Optional[int]) -> bool
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failed = False
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lineFlag = False
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for i, line in enumerate(open(fn)):
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line_newline_stripped = line.strip('\n')
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line_fully_stripped = line_newline_stripped.strip()
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skip = False
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lineFlag = True
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for rule in skip_rules or []:
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if re.match(rule, line):
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skip = True
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if skip:
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continue
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for rule in rules:
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exclude_list = rule.get('exclude', set())
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if fn in exclude_list or os.path.dirname(fn) in exclude_list:
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continue
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exclude_list = rule.get('exclude_line', set())
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if (fn, line_fully_stripped) in exclude_list:
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continue
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try:
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line_to_check = line_fully_stripped
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if rule.get('strip') is not None:
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if rule['strip'] == '\n':
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line_to_check = line_newline_stripped
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else:
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raise Exception("Invalid strip rule")
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if re.search(rule['pattern'], line_to_check):
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sys.stdout.write(rule['description'] + ' at %s line %s:\n' % (fn, i+1))
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print(line)
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failed = True
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except Exception:
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print("Exception with %s at %s line %s" % (rule['pattern'], fn, i+1))
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traceback.print_exc()
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if (max_length is not None and len(line) > max_length and
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'# type' not in line and 'test' not in fn and 'example' not in fn and
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"#ignorelongline" not in line):
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print("Line too long (%s) at %s line %s: %s" % (len(line), fn, i+1, line_newline_stripped))
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lastLine = line
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if lineFlag and '\n' not in lastLine:
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print("No newline at the end of file. Fix with `sed -i '$a\\' %s`" % (fn,))
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failed = True
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return failed
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whitespace_rules = [
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# This linter should be first since bash_rules depends on it.
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{'pattern': '\s+$',
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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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'exclude': set(['zerver/lib/bugdown/codehilite.py',
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'tools/travis/success-http-headers.txt']),
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'description': 'Fix tab-based whitespace'},
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] # type: RuleList
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markdown_whitespace_rules = list([rule for rule in whitespace_rules if rule['pattern'] != '\s+$']) + [
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# Two spaces trailing a line with other content is okay--it's a markdown line break.
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# This rule finds one space trailing a non-space, three or more trailing spaces, and
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# spaces on an empty line.
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{'pattern': '((?<!\s)\s$)|(\s\s\s+$)|(^\s+$)',
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'strip': '\n',
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'description': 'Fix trailing whitespace'},
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] # type: RuleList
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js_rules = cast(RuleList, [
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{'pattern': '[^_]function\(',
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'description': 'The keyword "function" should be followed by a space'},
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{'pattern': '.*blueslip.warning\(.*',
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'description': 'The module blueslip has no function warning, try using blueslip.warn'},
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{'pattern': '[)]{$',
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'description': 'Missing space between ) and {'},
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{'pattern': '["\']json/',
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'description': 'Relative URL for JSON route not supported by i18n'},
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# This rule is constructed with + to avoid triggering on itself
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{'pattern': " =" + '[^ =>~"]',
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'description': 'Missing whitespace after "="'},
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{'pattern': '^[ ]*//[A-Za-z0-9]',
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'description': 'Missing space after // in comment'},
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{'pattern': 'if[(]',
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'description': 'Missing space between if and ('},
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{'pattern': 'else{$',
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'description': 'Missing space between else and {'},
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{'pattern': '^else {$',
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'description': 'Write JS else statements on same line as }'},
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{'pattern': '^else if',
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'description': 'Write JS else statements on same line as }'},
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{'pattern': 'console[.][a-z]',
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'exclude': set(['static/js/blueslip.js',
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'frontend_tests/zjsunit',
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'frontend_tests/casper_lib/common.js',
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'frontend_tests/node_tests',
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'static/js/debug.js']),
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'description': 'console.log and similar should not be used in webapp'},
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{'pattern': 'button\.text\(["\']',
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'exclude': set(['tools/lint-all',
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'frontend_tests/node_tests/templates.js']),
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'description': 'Argument to button.text should be a literal string enclosed by i18n.t()'},
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{'pattern': 'compose_error\(["\']',
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'exclude': set(['tools/lint-all']),
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'description': 'Argument to compose_error should be a literal string enclosed '
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'by i18n.t()'},
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{'pattern': 'report_success\(["\']',
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'exclude': set(['tools/lint-all']),
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'description': 'Argument to report_success should be a literal string enclosed '
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'by i18n.t()'},
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{'pattern': 'report_error\(["\']',
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'exclude': set(['tools/lint-all']),
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'description': 'Argument to report_error should be a literal string enclosed '
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'by i18n.t()'},
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]) + whitespace_rules
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python_rules = cast(RuleList, [
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{'pattern': '^(?!#)@login_required',
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'description': '@login_required is unsupported; use @zulip_login_required'},
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{'pattern': '".*"%\([a-z_].*\)?$',
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'description': 'Missing space around "%"'},
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{'pattern': "'.*'%\([a-z_].*\)?$",
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'exclude': set(['tools/lint-all',
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'analytics/lib/counts.py',
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'analytics/tests/test_counts.py',
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]),
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'exclude_line': set([
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('zerver/views/users.py',
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"return json_error(_(\"Email '%(email)s' does not belong to domain '%(domain)s'\") %"),
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]),
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'description': 'Missing space around "%"'},
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# This rule is constructed with + to avoid triggering on itself
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{'pattern': " =" + '[^ =>~"]',
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'description': 'Missing whitespace after "="'},
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{'pattern': '":\w[^"]*$',
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'description': 'Missing whitespace after ":"'},
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{'pattern': "':\w[^']*$",
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'description': 'Missing whitespace after ":"'},
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{'pattern': "^\s+[#]\w",
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'strip': '\n',
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'description': 'Missing whitespace after "#"'},
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{'pattern': "== None",
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'exclude': 'tools/lint-all',
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'description': 'Use `is None` to check whether something is None'},
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{'pattern': "type:[(]",
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'description': 'Missing whitespace after ":" in type annotation'},
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{'pattern': "# type [(]",
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'description': 'Missing : after type in type annotation'},
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{'pattern': "#type",
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'exclude': 'tools/lint-all',
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'description': 'Missing whitespace after "#" in type annotation'},
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{'pattern': 'if[(]',
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'description': 'Missing space between if and ('},
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{'pattern': ", [)]",
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'description': 'Unnecessary whitespace between "," and ")"'},
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{'pattern': "% [(]",
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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': '% [a-zA-Z0-9_.]*\)?$',
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'exclude_line': set([
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('tools/tests/test_template_parser.py', '{% foo'),
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]),
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'description': 'Used % comprehension without a tuple'},
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{'pattern': 'json_success\({}\)',
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'description': 'Use json_success() to return nothing'},
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# To avoid json_error(_variable) and json_error(_(variable))
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{'pattern': '\Wjson_error\(_\(?\w+\)',
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'exclude': set(['tools/lint-all']),
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'description': 'Argument to json_error should be a literal string enclosed by _()'},
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{'pattern': '\Wjson_error\([^_].+[),]$',
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'exclude': set(['tools/lint-all']),
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'exclude_line': set([
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# function definition
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('zerver/lib/response.py', 'def json_error(msg, data=None, status=400):'),
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# No need to worry about the following as the translation strings
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# are already captured
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('zerver/middleware.py',
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'return json_error(exception.to_json_error_msg(), status=status_code)'),
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('zerver/tornado/views.py', 'return json_error(result["message"])'),
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('zerver/views/invite.py',
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'return json_error(data=error_data, msg=ret_error)'),
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('zerver/views/streams.py', 'return json_error(property_conversion)'),
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# We can't do anything about this.
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('zerver/views/realm_emoji.py', 'return json_error(e.messages[0])'),
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('zerver/views/realm_filters.py', 'return json_error(e.messages[0], data={"errors": dict(e)})'),
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]),
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'description': 'Argument to json_error should a literal string enclosed by _()'},
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# To avoid JsonableError(_variable) and JsonableError(_(variable))
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{'pattern': '\WJsonableError\(_\(?\w.+\)',
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'exclude': set(['tools/lint-all']),
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'description': 'Argument to JsonableError should be a literal string enclosed by _()'},
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{'pattern': '\WJsonableError\([^_].+\)',
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'exclude': set(['tools/lint-all']),
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'exclude_line': set([
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# class definition
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('zerver/lib/request.py', 'class JsonableError(Exception):'),
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# No need to worry about the following as the translation strings
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# are already captured
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('zerver/decorator.py', 'raise JsonableError(reason % (role,))'),
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('zerver/lib/actions.py', 'raise JsonableError(e.messages[0])'),
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('zerver/views/messages.py', 'raise JsonableError(error)'),
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('zerver/lib/request.py', 'raise JsonableError(error)'),
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('zerver/views/streams.py', 'raise JsonableError(response.content)'),
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]),
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'description': 'Argument to JsonableError should be a literal string enclosed by _()'},
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{'pattern': '([a-zA-Z0-9_]+)=REQ\([\'"]\\1[\'"]',
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'description': 'REQ\'s first argument already defaults to parameter name'},
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{'pattern': 'self\.client\.(get|post|patch|put|delete)',
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'exclude': set(['zilencer/tests.py']),
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'description': \
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'''Do not call self.client directly for put/patch/post/get.
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See WRAPPER_COMMENT in test_helpers.py for details.
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'''},
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]) + whitespace_rules
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bash_rules = [
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{'pattern': '#!.*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] # type: RuleList
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css_rules = cast(RuleList, [
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{'pattern': '^[^:]*:\S[^:]*;$',
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'description': "Missing whitespace after : in CSS"},
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{'pattern': '[a-z]{',
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'description': "Missing whitespace before '{' in CSS."},
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{'pattern': '^[ ][ ][a-zA-Z0-9]',
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'description': "Incorrect 2-space indentation in CSS",
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'exclude': set(['static/styles/thirdparty-fonts.css']),
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'strip': '\n'},
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{'pattern': '{\w',
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'description': "Missing whitespace after '{' in CSS (should be newline)."},
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]) + whitespace_rules # type: RuleList
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prose_style_rules = [
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{'pattern': '[^\/\#\-\"]([jJ]avascript)', # exclude usage in hrefs/divs
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'description': "javascript should be spelled JavaScript"},
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{'pattern': '[^\/\-\.\"\'\_\=\>]([gG]ithub)[^\.\-\_\"\<]', # exclude usage in hrefs/divs
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'description': "github should be spelled GitHub"},
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] # type: RuleList
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html_rules = whitespace_rules + prose_style_rules + [
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{'pattern': 'placeholder="[^{]',
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'description': "`placeholder` value should be translatable.",
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'exclude': set(["static/templates/settings/emoji-settings-admin.handlebars",
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"static/templates/settings/realm-filter-settings-admin.handlebars"])},
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{'pattern': "placeholder='[^{]",
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'description': "`placeholder` value should be translatable."},
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] # type: RuleList
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handlebars_rules = html_rules
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json_rules = [] # type: RuleList # fix newlines at ends of files
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# It is okay that json_rules is empty, because the empty list
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# ensures we'll still check JSON files for whitespace.
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markdown_rules = markdown_whitespace_rules + prose_style_rules
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txt_rules = whitespace_rules
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def check_custom_checks_py():
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# type: () -> bool
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failed = False
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for fn in by_lang['py']:
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if custom_check_file(fn, python_rules, max_length=140):
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failed = True
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return failed
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def check_custom_checks_nonpy():
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# type: () -> bool
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failed = False
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for fn in by_lang['js']:
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if custom_check_file(fn, js_rules):
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failed = True
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for fn in by_lang['sh']:
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if custom_check_file(fn, bash_rules):
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failed = True
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for fn in by_lang['css']:
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if custom_check_file(fn, css_rules):
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failed = True
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for fn in by_lang['handlebars']:
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if custom_check_file(fn, handlebars_rules):
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failed = True
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for fn in by_lang['html']:
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if custom_check_file(fn, html_rules):
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failed = True
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for fn in by_lang['json']:
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if custom_check_file(fn, json_rules):
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failed = True
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for fn in by_lang['md']:
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if custom_check_file(fn, markdown_rules):
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failed = True
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for fn in by_lang['txt'] + by_lang['text']:
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if custom_check_file(fn, txt_rules):
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failed = True
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return failed
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return (check_custom_checks_py, check_custom_checks_nonpy)
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def run():
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# type: () -> None
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parser = optparse.OptionParser()
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parser.add_option('--force', default=False,
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action="store_true",
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help='Run tests despite possible problems.')
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parser.add_option('--full',
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action='store_true',
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help='Check some things we typically ignore')
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parser.add_option('--pep8',
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action='store_true',
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help='Run the pep8 checker')
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parser.add_option('--modified', '-m',
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action='store_true',
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help='Only check modified files')
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parser.add_option('--verbose', '-v',
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action='store_true',
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help='Print verbose timing output')
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(options, args) = parser.parse_args()
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tools_dir = os.path.dirname(os.path.abspath(__file__))
|
|
root_dir = os.path.dirname(tools_dir)
|
|
sys.path.insert(0, root_dir)
|
|
|
|
from tools.lib.test_script import (
|
|
get_provisioning_status,
|
|
)
|
|
|
|
os.chdir(root_dir)
|
|
|
|
if not options.force:
|
|
ok, msg = get_provisioning_status()
|
|
if not ok:
|
|
print(msg)
|
|
print('If you really know what you are doing, use --force to run anyway.')
|
|
sys.exit(1)
|
|
|
|
by_lang = cast(Dict[str, List[str]], lister.list_files(args, modified_only=options.modified,
|
|
ftypes=['py', 'sh', 'js', 'pp', 'css', 'handlebars', 'html', 'json', 'md', 'txt', 'text'],
|
|
use_shebang=True, group_by_ftype=True, exclude=EXCLUDED_FILES))
|
|
|
|
# Invoke the appropriate lint checker for each language,
|
|
# and also check files for extra whitespace.
|
|
|
|
logging.basicConfig(format="%(asctime)s %(message)s")
|
|
logger = logging.getLogger()
|
|
if options.verbose:
|
|
logger.setLevel(logging.INFO)
|
|
else:
|
|
logger.setLevel(logging.WARNING)
|
|
|
|
check_custom_checks_py, check_custom_checks_nonpy = build_custom_checkers(by_lang)
|
|
|
|
lint_functions = {} # type: Dict[str, Callable[[], int]]
|
|
|
|
def lint(func):
|
|
# type: (Callable[[], int]) -> Callable[[], int]
|
|
lint_functions[func.__name__] = func
|
|
return func
|
|
|
|
with bright_red_output():
|
|
@lint
|
|
def check_urls():
|
|
# type: () -> int
|
|
result = subprocess.call(['tools/check-urls'])
|
|
return result
|
|
|
|
@lint
|
|
def templates():
|
|
# type: () -> int
|
|
args = ['tools/check-templates']
|
|
if options.modified:
|
|
args.append('-m')
|
|
result = subprocess.call(args)
|
|
return result
|
|
|
|
@lint
|
|
def add_class():
|
|
# type: () -> int
|
|
result = subprocess.call(['tools/find-add-class'])
|
|
return result
|
|
|
|
@lint
|
|
def css():
|
|
# type: () -> int
|
|
result = subprocess.call(['tools/check-css'])
|
|
return result
|
|
|
|
@lint
|
|
def eslint():
|
|
# type: () -> int
|
|
if len(by_lang['js']) == 0:
|
|
return 0
|
|
result = subprocess.call(['node', 'node_modules/.bin/eslint', '--quiet']
|
|
+ by_lang['js'])
|
|
return result
|
|
|
|
@lint
|
|
def puppet():
|
|
# type: () -> int
|
|
if not by_lang['pp']:
|
|
return 0
|
|
result = subprocess.call(['puppet', 'parser', 'validate'] + by_lang['pp'])
|
|
return result
|
|
|
|
@lint
|
|
def custom_py():
|
|
# type: () -> int
|
|
failed = check_custom_checks_py()
|
|
return 1 if failed else 0
|
|
|
|
@lint
|
|
def custom_nonpy():
|
|
# type: () -> int
|
|
failed = check_custom_checks_nonpy()
|
|
return 1 if failed else 0
|
|
|
|
@lint
|
|
def pyflakes():
|
|
# type: () -> int
|
|
failed = check_pyflakes(options, by_lang)
|
|
return 1 if failed else 0
|
|
|
|
if options.pep8:
|
|
@lint
|
|
def pep8():
|
|
# type: () -> int
|
|
failed = check_pep8(by_lang['py'])
|
|
return 1 if failed else 0
|
|
|
|
failed = run_parallel(lint_functions)
|
|
|
|
sys.exit(1 if failed else 0)
|
|
|
|
if __name__ == '__main__':
|
|
run()
|