zulip/tools/lint

729 lines
31 KiB
Python
Executable File

#!/usr/bin/env python
from __future__ import print_function
from __future__ import absolute_import
from contextlib import contextmanager
import logging
import os
import re
import sys
import optparse
import subprocess
import traceback
# check for the venv
from lib import sanity_check
sanity_check.check_venv(__file__)
import lister
from typing import cast, Any, Callable, Dict, Iterator, List, Optional, Tuple
# Exclude some directories and files from lint checking
EXCLUDED_FILES = [
# Third-party code that doesn't match our style
"api/integrations/perforce/git_p4.py",
"puppet/apt/.forge-release",
"puppet/apt/README.md",
"static/third",
# Transifex syncs translation.json files without trailing
# newlines; there's nothing other than trailing newlines we'd be
# checking for in these anyway.
"static/locale",
]
@contextmanager
def bright_red_output():
# type: () -> Iterator[None]
# Make the lint output bright red
sys.stdout.write('\x1B[1;31m')
sys.stdout.flush()
try:
yield
finally:
# Restore normal terminal colors
sys.stdout.write('\x1B[0m')
def check_pyflakes(options, by_lang):
# type: (Any, Dict[str, List[str]]) -> bool
if len(by_lang['py']) == 0:
return False
failed = False
pyflakes = subprocess.Popen(['pyflakes'] + by_lang['py'],
stdout = subprocess.PIPE,
stderr = subprocess.PIPE,
universal_newlines = True)
# pyflakes writes some output (like syntax errors) to stderr. :/
for pipe in (pyflakes.stdout, pyflakes.stderr):
for ln in pipe:
if options.full or not (
('imported but unused' in ln or
'redefinition of unused' in ln or
# Our ipython startup pythonrc file intentionally imports *
("scripts/lib/pythonrc.py" in ln and
" import *' used; unable to detect undefined names" in ln) or
# Special dev_settings.py import
"from .prod_settings_template import *" in ln or
("settings.py" in ln and
("settings import *' used; unable to detect undefined names" in ln or
"may be undefined, or defined from star imports" in ln)) or
("zerver/tornado/ioloop_logging.py" in ln and
"redefinition of function 'instrument_tornado_ioloop'" in ln) or
("zephyr_mirror_backend.py:" in ln and
"redefinition of unused 'simplejson' from line" in ln))):
sys.stdout.write(ln)
failed = True
return failed
def check_pep8(files):
# type: (List[str]) -> bool
failed = False
ignored_rules = [
# Each of these rules are ignored for the explained reason.
# "multiple spaces before operator"
# There are several typos here, but also several instances that are
# being used for alignment in dict keys/values using the `dict`
# constructor. We could fix the alignment cases by switching to the `{}`
# constructor, but it makes fixing this rule a little less
# straightforward.
'E221',
# 'missing whitespace around arithmetic operator'
# This should possibly be cleaned up, though changing some of
# these may make the code less readable.
'E226',
# "unexpected spaces around keyword / parameter equals"
# Many of these should be fixed, but many are also being used for
# alignment/making the code easier to read.
'E251',
# 'at least two spaces before inline comment'
# This we should probably clean up, but has 800+ instances in
# conflict (many of them type comments), so fixing this will
# be a lot of churn.
'E261',
# "block comment should start with '#'"
# These serve to show which lines should be changed in files customized
# by the user. We could probably resolve one of E265 or E266 by
# standardizing on a single style for lines that the user might want to
# change.
'E265',
# "too many leading '#' for block comment"
# Most of these are there for valid reasons.
'E266',
# "expected 2 blank lines after class or function definition"
# Zulip only uses 1 blank line after class/function
# definitions; the PEP-8 recommendation results in super sparse code.
'E302', 'E305',
# "module level import not at top of file"
# Most of these are there for valid reasons, though there might be a
# few that could be eliminated.
'E402',
# "line too long"
# Zulip is a bit less strict about line length, and has its
# own check for this (see max_length)
'E501',
# "do not assign a lambda expression, use a def"
# Fixing these would probably reduce readability in most cases.
'E731',
]
if len(files) == 0:
return False
pep8 = subprocess.Popen(
['pycodestyle'] + files + ['--ignore={rules}'.format(rules=','.join(ignored_rules))],
stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
for pipe in (pep8.stdout, pep8.stderr):
for ln in pipe:
sys.stdout.write(ln)
failed = True
return failed
def run_parallel(lint_functions):
# type: (Dict[str, Callable[[], int]]) -> bool
pids = []
for name, func in lint_functions.items():
pid = os.fork()
if pid == 0:
logging.info("start " + name)
result = func()
logging.info("finish " + name)
sys.stdout.flush()
sys.stderr.flush()
os._exit(result)
pids.append(pid)
failed = False
for pid in pids:
(_, status) = os.waitpid(pid, 0)
if status != 0:
failed = True
return failed
def build_custom_checkers(by_lang):
# type: (Dict[str, List[str]]) -> Tuple[Callable[[], bool], Callable[[], bool]]
RuleList = List[Dict[str, Any]]
def custom_check_file(fn, rules, skip_rules=None, max_length=None):
# type: (str, RuleList, Optional[Any], Optional[int]) -> bool
failed = False
lineFlag = False
for i, line in enumerate(open(fn)):
line_newline_stripped = line.strip('\n')
line_fully_stripped = line_newline_stripped.strip()
skip = False
lineFlag = True
for rule in skip_rules or []:
if re.match(rule, line):
skip = True
if skip:
continue
for rule in rules:
exclude_list = rule.get('exclude', set())
if fn in exclude_list or os.path.dirname(fn) in exclude_list:
continue
exclude_list = rule.get('exclude_line', set())
if (fn, line_fully_stripped) in exclude_list:
continue
if rule.get("include_only"):
found = False
for item in rule.get("include_only", set()):
if item in fn:
found = True
if not found:
continue
try:
line_to_check = line_fully_stripped
if rule.get('strip') is not None:
if rule['strip'] == '\n':
line_to_check = line_newline_stripped
else:
raise Exception("Invalid strip rule")
if re.search(rule['pattern'], line_to_check):
sys.stdout.write(rule['description'] + ' at %s line %s:\n' % (fn, i+1))
print(line)
failed = True
except Exception:
print("Exception with %s at %s line %s" % (rule['pattern'], fn, i+1))
traceback.print_exc()
if isinstance(line, bytes):
line_length = len(line.decode("utf-8"))
else:
line_length = len(line)
if (max_length is not None and line_length > max_length and
'# type' not in line and 'test' not in fn and 'example' not in fn and
not re.match("\[[ A-Za-z0-9_:,&()-]*\]: http.*", line) and
"#ignorelongline" not in line and 'migrations' not in fn):
print("Line too long (%s) at %s line %s: %s" % (len(line), fn, i+1, line_newline_stripped))
failed = True
lastLine = line
if lineFlag and '\n' not in lastLine:
print("No newline at the end of file. Fix with `sed -i '$a\\' %s`" % (fn,))
failed = True
return failed
whitespace_rules = [
# This linter should be first since bash_rules depends on it.
{'pattern': '\s+$',
'strip': '\n',
'description': 'Fix trailing whitespace'},
{'pattern': '\t',
'strip': '\n',
'exclude': set(['zerver/lib/bugdown/codehilite.py',
'tools/travis/success-http-headers.txt']),
'description': 'Fix tab-based whitespace'},
] # type: RuleList
markdown_whitespace_rules = list([rule for rule in whitespace_rules if rule['pattern'] != '\s+$']) + [
# Two spaces trailing a line with other content is okay--it's a markdown line break.
# This rule finds one space trailing a non-space, three or more trailing spaces, and
# spaces on an empty line.
{'pattern': '((?<!\s)\s$)|(\s\s\s+$)|(^\s+$)',
'strip': '\n',
'description': 'Fix trailing whitespace'},
{'pattern': '^#+[A-Za-z0-9]',
'strip': '\n',
'description': 'Missing space after # in heading'},
] # type: RuleList
js_rules = cast(RuleList, [
{'pattern': '[^_]function\(',
'description': 'The keyword "function" should be followed by a space'},
{'pattern': '.*blueslip.warning\(.*',
'description': 'The module blueslip has no function warning, try using blueslip.warn'},
{'pattern': '[)]{$',
'description': 'Missing space between ) and {'},
{'pattern': '["\']json/',
'description': 'Relative URL for JSON route not supported by i18n'},
# This rule is constructed with + to avoid triggering on itself
{'pattern': " =" + '[^ =>~"]',
'description': 'Missing whitespace after "="'},
{'pattern': '^[ ]*//[A-Za-z0-9]',
'description': 'Missing space after // in comment'},
{'pattern': 'if[(]',
'description': 'Missing space between if and ('},
{'pattern': 'else{$',
'description': 'Missing space between else and {'},
{'pattern': '^else {$',
'description': 'Write JS else statements on same line as }'},
{'pattern': '^else if',
'description': 'Write JS else statements on same line as }'},
{'pattern': 'console[.][a-z]',
'exclude': set(['static/js/blueslip.js',
'frontend_tests/zjsunit',
'frontend_tests/casper_lib/common.js',
'frontend_tests/node_tests',
'static/js/debug.js']),
'description': 'console.log and similar should not be used in webapp'},
{'pattern': 'i18n[.]t',
'include_only': set(['static/js/portico']),
'description': 'i18n.t is not available in portico pages yet'},
{'pattern': '[.]text\(["\'][a-zA-Z]',
'description': 'Strings passed to $().text should be wrapped in i18n.t() for internationalization'},
{'pattern': 'compose_error\(["\']',
'exclude': set(['tools/lint']),
'description': 'Argument to compose_error should be a literal string enclosed '
'by i18n.t()'},
{'pattern': 'ui.report_success\(',
'exclude': set(['tools/lint']),
'description': 'Deprecated function, use ui_report.success.'},
{'pattern': 'report.success\(["\']',
'exclude': set(['tools/lint']),
'description': 'Argument to report_success should be a literal string enclosed '
'by i18n.t()'},
{'pattern': 'ui.report_error\(',
'exclude': set(['tools/lint']),
'description': 'Deprecated function, use ui_report.error.'},
{'pattern': 'report.error\(["\']',
'exclude': set(['tools/lint']),
'description': 'Argument to report_error should be a literal string enclosed '
'by i18n.t()'},
]) + whitespace_rules
python_rules = cast(RuleList, [
{'pattern': '^(?!#)@login_required',
'description': '@login_required is unsupported; use @zulip_login_required'},
{'pattern': '".*"%\([a-z_].*\)?$',
'description': 'Missing space around "%"'},
{'pattern': "'.*'%\([a-z_].*\)?$",
'exclude': set(['tools/lint',
'analytics/lib/counts.py',
'analytics/tests/test_counts.py',
]),
'exclude_line': set([
('zerver/views/users.py',
"return json_error(_(\"Email '%(email)s' not allowed for realm '%(realm)s'\") %"),
('zproject/settings.py',
"'format': '%(asctime)s %(levelname)-8s %(message)s'"),
]),
'description': 'Missing space around "%"'},
# This rule is constructed with + to avoid triggering on itself
{'pattern': " =" + '[^ =>~"]',
'description': 'Missing whitespace after "="'},
{'pattern': '":\w[^"]*$',
'description': 'Missing whitespace after ":"'},
{'pattern': "':\w[^']*$",
'description': 'Missing whitespace after ":"'},
{'pattern': "^\s+[#]\w",
'strip': '\n',
'description': 'Missing whitespace after "#"'},
{'pattern': "assertEquals[(]",
'description': 'Use assertEqual, not assertEquals (which is deprecated).'},
{'pattern': "== None",
'exclude': 'tools/lint',
'description': 'Use `is None` to check whether something is None'},
{'pattern': "type:[(]",
'description': 'Missing whitespace after ":" in type annotation'},
{'pattern': "# type [(]",
'description': 'Missing : after type in type annotation'},
{'pattern': "#type",
'exclude': 'tools/lint',
'description': 'Missing whitespace after "#" in type annotation'},
{'pattern': 'if[(]',
'description': 'Missing space between if and ('},
{'pattern': ", [)]",
'description': 'Unnecessary whitespace between "," and ")"'},
{'pattern': "% [(]",
'description': 'Unnecessary whitespace between "%" and "("'},
# This next check could have false positives, but it seems pretty
# rare; if we find any, they can be added to the exclude list for
# this rule.
{'pattern': ' % [a-zA-Z0-9_.]*\)?$',
'exclude_line': set([
('tools/tests/test_template_parser.py', '{% foo'),
]),
'description': 'Used % comprehension without a tuple'},
{'pattern': '.*%s.* % \([a-zA-Z0-9_.]*\)$',
'description': 'Used % comprehension without a tuple'},
{'pattern': 'django.utils.translation',
'include_only': set(['test']),
'description': 'Test strings should not be tagged for translationx'},
{'pattern': 'json_success\({}\)',
'description': 'Use json_success() to return nothing'},
# To avoid json_error(_variable) and json_error(_(variable))
{'pattern': '\Wjson_error\(_\(?\w+\)',
'exclude': set(['tools/lint', 'zerver/tests']),
'description': 'Argument to json_error should be a literal string enclosed by _()'},
{'pattern': '\Wjson_error\([\'"].+[),]$',
'exclude': set(['tools/lint', 'zerver/tests']),
'exclude_line': set([
# We don't want this string tagged for translation.
('zerver/views/compatibility.py', 'return json_error("Client is too old")'),
]),
'description': 'Argument to json_error should a literal string enclosed by _()'},
# To avoid JsonableError(_variable) and JsonableError(_(variable))
{'pattern': '\WJsonableError\(_\(?\w.+\)',
'exclude': set(['tools/lint', 'zerver/tests']),
'description': 'Argument to JsonableError should be a literal string enclosed by _()'},
{'pattern': '\WJsonableError\(["\'].+\)',
'exclude': set(['tools/lint', 'zerver/tests']),
'description': 'Argument to JsonableError should be a literal string enclosed by _()'},
{'pattern': '([a-zA-Z0-9_]+)=REQ\([\'"]\\1[\'"]',
'description': 'REQ\'s first argument already defaults to parameter name'},
{'pattern': 'self\.client\.(get|post|patch|put|delete)',
'exclude': set(['zilencer/tests.py']),
'description': \
'''Do not call self.client directly for put/patch/post/get.
See WRAPPER_COMMENT in test_helpers.py for details.
'''},
# Directly fetching Message objects in e.g. views code is often a security bug.
{'pattern': '[^r][M]essage.objects.get',
'exclude': set(["zerver/tests", "zerver/worker/queue_processors.py"]),
'description': 'Please use access_message() to fetch Message objects',
},
{'pattern': '[S]tream.objects.get',
'include_only': set(["zerver/views/"]),
'description': 'Please use access_stream_by_*() to fetch Stream objects',
},
{'pattern': 'get_stream[(]',
'include_only': set(["zerver/views/", "zerver/lib/actions.py"]),
# messages.py needs to support accessing invite-only streams
# that you are no longer subscribed to, so need get_stream.
'exclude': set(['zerver/views/messages.py']),
'exclude_line': set([
# This is a check for whether a stream rename is invalid because it already exists
('zerver/lib/actions.py', 'get_stream(new_name, stream.realm)'),
# This one in check_message is kinda terrible, since it's
# how most instances are written, but better to exclude something than nothing
('zerver/lib/actions.py', 'stream = get_stream(stream_name, realm)'),
('zerver/lib/actions.py', 'get_stream(signups_stream, admin_realm)'),
]),
'description': 'Please use access_stream_by_*() to fetch Stream objects',
},
{'pattern': '[S]tream.objects.filter',
'include_only': set(["zerver/views/"]),
'description': 'Please use access_stream_by_*() to fetch Stream objects',
},
{'pattern': '^from (zerver|analytics|confirmation)',
'include_only': set(["/migrations/"]),
'exclude': set(['zerver/migrations/0032_verify_all_medium_avatar_images.py',
'zerver/migrations/0041_create_attachments_for_old_messages.py',
'zerver/migrations/0060_move_avatars_to_be_uid_based.py']),
'description': "Don't import models or other code in migrations; see docs/schema-migrations.md",
},
{'pattern': 'datetime[.](now|utcnow)',
'include_only': set(["zerver/", "analytics/"]),
'description': "Don't use datetime in backend code.\n"
"See https://zulip.readthedocs.io/en/latest/code-style.html#naive-datetime-objects",
},
{'pattern': 'render_to_response\(',
'description': "Use render() instead of render_to_response().",
'exclude': set(['tools/lint']),
},
# This rule might give false positives in virtualenv setup files which should be excluded,
# and comments which should be rewritten to avoid use of "python2", "python3", etc.
{'pattern': 'python[23]',
'exclude': set(['tools/lib/provision.py',
'tools/setup/setup_venvs.py',
'scripts/lib/setup_venv.py',
'tools/lint']),
'description': 'Explicit python invocations should not include a version'}
]) + whitespace_rules
bash_rules = [
{'pattern': '#!.*sh [-xe]',
'description': 'Fix shebang line with proper call to /usr/bin/env for Bash path, change -x|-e switches'
' to set -x|set -e'},
] + whitespace_rules[0:1] # type: RuleList
css_rules = cast(RuleList, [
{'pattern': '^[^:]*:\S[^:]*;$',
'description': "Missing whitespace after : in CSS"},
{'pattern': '[a-z]{',
'description': "Missing whitespace before '{' in CSS."},
{'pattern': 'https://',
'description': "Zulip CSS should have no dependencies on external resources"},
{'pattern': '^[ ][ ][a-zA-Z0-9]',
'description': "Incorrect 2-space indentation in CSS",
'exclude': set(['static/third/thirdparty-fonts.css']),
'strip': '\n'},
{'pattern': '{\w',
'description': "Missing whitespace after '{' in CSS (should be newline)."},
{'pattern': ' thin[; ]',
'description': "thin CSS attribute is under-specified, please use 1px."},
{'pattern': ' medium[; ]',
'description': "medium CSS attribute is under-specified, please use pixels."},
{'pattern': ' thick[; ]',
'description': "thick CSS attribute is under-specified, please use pixels."},
]) + whitespace_rules # type: RuleList
prose_style_rules = [
{'pattern': '[^\/\#\-\"]([jJ]avascript)', # exclude usage in hrefs/divs
'description': "javascript should be spelled JavaScript"},
{'pattern': '[^\/\-\.\"\'\_\=\>]([gG]ithub)[^\.\-\_\"\<]', # exclude usage in hrefs/divs
'description': "github should be spelled GitHub"},
{'pattern': '[oO]rganisation', # exclude usage in hrefs/divs
'description': "Organization is spelled with a z"},
{'pattern': '!!! warning',
'description': "!!! warning is invalid; it's spelled '!!! warn'"},
] # type: RuleList
html_rules = whitespace_rules + prose_style_rules + [
{'pattern': 'placeholder="[^{]',
'description': "`placeholder` value should be translatable.",
'exclude_line': [('templates/zerver/register.html', 'placeholder="acme"'),
('templates/zerver/register.html', 'placeholder="Acme"'),
('static/templates/settings/realm-domains-modal.handlebars',
'<td><input type="text" class="new-realm-domain" placeholder="acme.com"></input></td>')],
'exclude': set(["static/templates/settings/emoji-settings-admin.handlebars",
"static/templates/settings/realm-filter-settings-admin.handlebars",
"static/templates/settings/bot-settings.handlebars"])},
{'pattern': "placeholder='[^{]",
'description': "`placeholder` value should be translatable."},
{'pattern': 'script src="http',
'description': "Don't directly load dependencies from CDNs. See docs/front-end-build-process.md"},
{'pattern': "title='[^{]",
'description': "`title` value should be translatable."},
{'pattern': 'title="[^{\:]',
'exclude_line': set([
('templates/zerver/markdown_help.html',
'<td><img alt=":heart:" class="emoji" src="/static/generated/emoji/images/emoji/heart.png" title=":heart:" /></td>')
]),
'exclude': set(["templates/zerver/emails"]),
'description': "`title` value should be translatable."},
] # type: RuleList
handlebars_rules = html_rules + [
{'pattern': "[<]script",
'description': "Do not use inline <script> tags here; put JavaScript in static/js instead."},
{'pattern': "{{t '.*' }}[\.\?!]",
'description': "Period should be part of the translatable string."},
{'pattern': '{{t ".*" }}[\.\?!]',
'description': "Period should be part of the translatable string."},
{'pattern': "{{/tr}}[\.\?!]",
'description': "Period should be part of the translatable string."},
]
jinja2_rules = html_rules + [
{'pattern': "{% endtrans %}[\.\?!]",
'description': "Period should be part of the translatable string."},
{'pattern': "{{ _(.+) }}[\.\?!]",
'description': "Period should be part of the translatable string."},
]
json_rules = [] # type: RuleList # fix newlines at ends of files
# It is okay that json_rules is empty, because the empty list
# ensures we'll still check JSON files for whitespace.
markdown_rules = markdown_whitespace_rules + prose_style_rules + [
{'pattern': '\[(?P<url>[^\]]+)\]\((?P=url)\)',
'description': 'Linkified markdown URLs should use cleaner <http://example.com> syntax.'}
]
help_markdown_rules = markdown_rules + [
{'pattern': '[a-z][.][A-Z]',
'description': "Likely missing space after end of sentence"},
{'pattern': '[rR]ealm',
'description': "Realms are referred to as Organizations in user-facing docs."},
]
txt_rules = whitespace_rules
def check_custom_checks_py():
# type: () -> bool
failed = False
for fn in by_lang['py']:
if custom_check_file(fn, python_rules, max_length=140):
failed = True
return failed
def check_custom_checks_nonpy():
# type: () -> bool
failed = False
for fn in by_lang['js']:
if custom_check_file(fn, js_rules):
failed = True
for fn in by_lang['sh']:
if custom_check_file(fn, bash_rules):
failed = True
for fn in by_lang['css']:
if custom_check_file(fn, css_rules):
failed = True
for fn in by_lang['handlebars']:
if custom_check_file(fn, handlebars_rules):
failed = True
for fn in by_lang['html']:
if custom_check_file(fn, jinja2_rules):
failed = True
for fn in by_lang['json']:
if custom_check_file(fn, json_rules):
failed = True
markdown_docs_length_exclude = {
"contrib_bots/bots/converter/readme.md",
"docs/bots-guide.md",
"docs/dev-env-first-time-contributors.md",
"docs/webhook-walkthrough.md",
"docs/life-of-a-request.md",
"docs/logging.md",
"docs/migration-renumbering.md",
"docs/readme-symlink.md",
"README.md",
"zerver/webhooks/trello/doc.md",
}
for fn in by_lang['md']:
max_length = None
if fn not in markdown_docs_length_exclude:
max_length = 120
rules = markdown_rules
if fn.startswith("templates/zerver/help"):
rules = help_markdown_rules
if custom_check_file(fn, rules, max_length=max_length):
failed = True
for fn in by_lang['txt'] + by_lang['text']:
if custom_check_file(fn, txt_rules):
failed = True
for fn in by_lang['yaml']:
if custom_check_file(fn, txt_rules):
failed = True
return failed
return (check_custom_checks_py, check_custom_checks_nonpy)
def run():
# type: () -> None
parser = optparse.OptionParser()
parser.add_option('--force', default=False,
action="store_true",
help='Run tests despite possible problems.')
parser.add_option('--full',
action='store_true',
help='Check some things we typically ignore')
parser.add_option('--pep8',
action='store_true',
help='Run the pep8 checker')
parser.add_option('--no-gitlint',
action='store_true',
help='Disable gitlint')
parser.add_option('--modified', '-m',
action='store_true',
help='Only check modified files')
parser.add_option('--verbose', '-v',
action='store_true',
help='Print verbose timing output')
(options, args) = parser.parse_args()
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', 'yaml'],
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
def external_linter(name, command, target_langs=[]):
# type: (str, List[str], List[str]) -> None
def run_linter():
# type: () -> int
if len(target_langs) == 0:
return subprocess.call(command)
targets = [target for lang in target_langs for target in by_lang[lang]]
if len(targets) == 0:
return 0
return subprocess.call(command + targets)
lint_functions[name] = run_linter
with bright_red_output():
external_linter('add_class', ['tools/find-add-class'])
external_linter('css', ['tools/check-css'], ['css'])
external_linter('eslint', ['node', 'node_modules/.bin/eslint', '--quiet'], ['js'])
external_linter('puppet', ['puppet', 'parser', 'validate'], ['pp'])
external_linter('templates', ['tools/check-templates'], ['handlebars', 'html'])
external_linter('urls', ['tools/check-urls'])
# gitlint disabled until we can stabilize it more
# if not options.no_gitlint:
# external_linter('commit_messages', ['tools/commit-message-lint'])
@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()