mirror of
https://github.com/servo/servo.git
synced 2025-06-06 16:45:39 +00:00
81433a8684
It seems that servo-tidy is only used by webrender in my GitHub searches. WebRender could simply use `rustfmt` and the tidy on pypi hasn't been updated since 2018. Converting tidy to a normal Python package removes the maintenance burden of continually fixing the easy install configuration. Fixes #29094. Fixes #29334.
1172 lines
44 KiB
Python
1172 lines
44 KiB
Python
# Copyright 2013 The Servo Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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import fnmatch
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import glob
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import itertools
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import json
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import os
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import re
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import subprocess
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import sys
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import colorama
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import toml
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import voluptuous
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import yaml
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from .licenseck import OLD_MPL, MPL, APACHE, COPYRIGHT, licenses_toml, licenses_dep_toml
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TOPDIR = os.path.abspath(os.path.dirname(sys.argv[0]))
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WPT_PATH = os.path.join(".", "tests", "wpt")
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SUITES = ["web-platform-tests", os.path.join("mozilla", "tests")]
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def wpt_path(*args):
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return os.path.join(WPT_PATH, *args)
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CONFIG_FILE_PATH = os.path.join(".", "servo-tidy.toml")
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WPT_MANIFEST_PATH = wpt_path("include.ini")
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# regex source https://stackoverflow.com/questions/6883049/
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URL_REGEX = re.compile(br'https?://(?:[-\w.]|(?:%[\da-fA-F]{2}))+')
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# Import wptmanifest only when we do have wpt in tree, i.e. we're not
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# inside a Firefox checkout.
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if os.path.isfile(WPT_MANIFEST_PATH):
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sys.path.append(wpt_path("web-platform-tests", "tools", "wptrunner", "wptrunner"))
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from wptmanifest import parser, node
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# Default configs
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config = {
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"skip-check-length": False,
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"skip-check-licenses": False,
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"check-alphabetical-order": True,
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"check-ordered-json-keys": [],
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"lint-scripts": [],
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"blocked-packages": {},
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"ignore": {
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"files": [
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os.path.join(".", "."), # ignore hidden files
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],
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"directories": [
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os.path.join(".", "."), # ignore hidden directories
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],
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"packages": [],
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},
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"check_ext": {}
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}
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COMMENTS = [b"// ", b"# ", b" *", b"/* "]
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# File patterns to include in the non-WPT tidy check.
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FILE_PATTERNS_TO_CHECK = ["*.rs", "*.rc", "*.cpp", "*.c",
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"*.h", "*.py", "*.sh",
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"*.toml", "*.webidl", "*.json", "*.html",
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"*.yml"]
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# File patterns that are ignored for all tidy and lint checks.
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FILE_PATTERNS_TO_IGNORE = ["*.#*", "*.pyc", "fake-ld.sh", "*.ogv", "*.webm"]
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SPEC_BASE_PATH = "components/script/dom/"
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WEBIDL_STANDARDS = [
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b"//www.khronos.org/registry/webgl/extensions",
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b"//www.khronos.org/registry/webgl/specs",
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b"//developer.mozilla.org/en-US/docs/Web/API",
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b"//dev.w3.org/2006/webapi",
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b"//dev.w3.org/csswg",
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b"//dev.w3.org/fxtf",
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b"//dvcs.w3.org/hg",
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b"//dom.spec.whatwg.org",
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b"//drafts.csswg.org",
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b"//drafts.css-houdini.org",
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b"//drafts.fxtf.org",
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b"//console.spec.whatwg.org",
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b"//encoding.spec.whatwg.org",
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b"//fetch.spec.whatwg.org",
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b"//html.spec.whatwg.org",
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b"//url.spec.whatwg.org",
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b"//xhr.spec.whatwg.org",
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b"//w3c.github.io",
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b"//heycam.github.io/webidl",
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b"//webbluetoothcg.github.io/web-bluetooth/",
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b"//svgwg.org/svg2-draft",
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b"//wicg.github.io",
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b"//webaudio.github.io",
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b"//immersive-web.github.io/",
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b"//github.com/immersive-web/webxr-test-api/",
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b"//github.com/immersive-web/webxr-hands-input/",
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b"//gpuweb.github.io",
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# Not a URL
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b"// This interface is entirely internal to Servo, and should not be"
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+ b" accessible to\n// web pages."
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]
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def is_iter_empty(iterator):
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try:
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obj = next(iterator)
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return True, itertools.chain((obj,), iterator)
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except StopIteration:
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return False, iterator
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def normilize_paths(paths):
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if isinstance(paths, str):
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return os.path.join(*paths.split('/'))
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else:
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return [os.path.join(*path.split('/')) for path in paths]
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# A simple wrapper for iterators to show progress
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# (Note that it's inefficient for giant iterators, since it iterates once to get the upper bound)
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def progress_wrapper(iterator):
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list_of_stuff = list(iterator)
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total_files, progress = len(list_of_stuff), 0
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for idx, thing in enumerate(list_of_stuff):
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progress = int(float(idx + 1) / total_files * 100)
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sys.stdout.write('\r Progress: %s%% (%d/%d)' % (progress, idx + 1, total_files))
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sys.stdout.flush()
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yield thing
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class FileList(object):
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def __init__(self, directory, only_changed_files=False, exclude_dirs=[], progress=True):
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self.directory = directory
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self.excluded = exclude_dirs
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self.generator = self._filter_excluded() if exclude_dirs else self._default_walk()
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if only_changed_files:
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self.generator = self._git_changed_files()
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if progress:
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self.generator = progress_wrapper(self.generator)
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def _default_walk(self):
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for root, _, files in os.walk(self.directory):
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for f in files:
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yield os.path.join(root, f)
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def _git_changed_files(self):
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args = ["git", "log", "-n1", "--merges", "--format=%H"]
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last_merge = subprocess.check_output(args, universal_newlines=True).strip()
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if not last_merge:
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return
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args = ["git", "diff", "--name-only", last_merge, self.directory]
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file_list = normilize_paths(subprocess.check_output(args, universal_newlines=True).splitlines())
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for f in file_list:
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if not any(os.path.join('.', os.path.dirname(f)).startswith(path) for path in self.excluded):
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yield os.path.join('.', f)
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def _filter_excluded(self):
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for root, dirs, files in os.walk(self.directory, topdown=True):
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# modify 'dirs' in-place so that we don't do unnecessary traversals in excluded directories
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dirs[:] = [d for d in dirs if not any(os.path.join(root, d).startswith(name) for name in self.excluded)]
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for rel_path in files:
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yield os.path.join(root, rel_path)
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def __iter__(self):
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return self.generator
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def next(self):
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return next(self.generator)
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def filter_file(file_name):
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if any(file_name.startswith(ignored_file) for ignored_file in config["ignore"]["files"]):
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return False
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base_name = os.path.basename(file_name)
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if any(fnmatch.fnmatch(base_name, pattern) for pattern in FILE_PATTERNS_TO_IGNORE):
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return False
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return True
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def filter_files(start_dir, only_changed_files, progress):
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file_iter = FileList(start_dir, only_changed_files=only_changed_files,
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exclude_dirs=config["ignore"]["directories"], progress=progress)
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# always yield Cargo.lock so that the correctness of transitive dependencies is checked
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yield "./Cargo.lock"
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for file_name in iter(file_iter):
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base_name = os.path.basename(file_name)
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if not any(fnmatch.fnmatch(base_name, pattern) for pattern in FILE_PATTERNS_TO_CHECK):
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continue
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if not filter_file(file_name):
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continue
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yield file_name
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def uncomment(line):
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for c in COMMENTS:
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if line.startswith(c):
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if line.endswith(b"*/"):
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return line[len(c):(len(line) - 3)].strip()
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return line[len(c):].strip()
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def is_apache_licensed(header):
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if APACHE in header:
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return any(c in header for c in COPYRIGHT)
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def check_license(file_name, lines):
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if any(file_name.endswith(ext) for ext in (".yml", ".toml", ".lock", ".json", ".html")) or \
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config["skip-check-licenses"]:
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return
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if lines[0].startswith(b"#!") and lines[1].strip():
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yield (1, "missing blank line after shebang")
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blank_lines = 0
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max_blank_lines = 2 if lines[0].startswith(b"#!") else 1
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license_block = []
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for line in lines:
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line = line.rstrip(b'\n')
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if not line.strip():
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blank_lines += 1
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if blank_lines >= max_blank_lines:
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break
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continue
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line = uncomment(line)
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if line is not None:
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license_block.append(line)
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header = (b" ".join(license_block)).decode("utf-8")
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valid_license = OLD_MPL in header or MPL in header or is_apache_licensed(header)
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acknowledged_bad_license = "xfail-license" in header
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if not (valid_license or acknowledged_bad_license):
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yield (1, "incorrect license")
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def check_modeline(file_name, lines):
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for idx, line in enumerate(lines[:5]):
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if re.search(b'^.*[ \t](vi:|vim:|ex:)[ \t]', line):
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yield (idx + 1, "vi modeline present")
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elif re.search(br'-\*-.*-\*-', line, re.IGNORECASE):
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yield (idx + 1, "emacs file variables present")
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def check_length(file_name, idx, line):
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if any(file_name.endswith(ext) for ext in (".yml", ".lock", ".json", ".html", ".toml")) or \
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config["skip-check-length"]:
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return
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# Prefer shorter lines when shell scripting.
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max_length = 80 if file_name.endswith(".sh") else 120
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if len(line.rstrip(b'\n')) > max_length and not is_unsplittable(file_name, line):
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yield (idx + 1, "Line is longer than %d characters" % max_length)
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def contains_url(line):
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return bool(URL_REGEX.search(line))
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def is_unsplittable(file_name, line):
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return (
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contains_url(line)
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or file_name.endswith(".rs")
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and line.startswith(b"use ")
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and b"{" not in line
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)
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def check_whatwg_specific_url(idx, line):
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match = re.search(br"https://html\.spec\.whatwg\.org/multipage/[\w-]+\.html#([\w\'\:-]+)", line)
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if match is not None:
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preferred_link = "https://html.spec.whatwg.org/multipage/#{}".format(match.group(1))
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yield (idx + 1, "link to WHATWG may break in the future, use this format instead: {}".format(preferred_link))
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def check_whatwg_single_page_url(idx, line):
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match = re.search(br"https://html\.spec\.whatwg\.org/#([\w\'\:-]+)", line)
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if match is not None:
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preferred_link = "https://html.spec.whatwg.org/multipage/#{}".format(match.group(1))
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yield (idx + 1, "links to WHATWG single-page url, change to multi page: {}".format(preferred_link))
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def check_whitespace(idx, line):
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if line.endswith(b"\n"):
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line = line[:-1]
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else:
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yield (idx + 1, "no newline at EOF")
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if line.endswith(b" "):
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yield (idx + 1, "trailing whitespace")
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if b"\t" in line:
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yield (idx + 1, "tab on line")
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if b"\r" in line:
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yield (idx + 1, "CR on line")
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def check_by_line(file_name, lines):
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for idx, line in enumerate(lines):
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errors = itertools.chain(
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check_length(file_name, idx, line),
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check_whitespace(idx, line),
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check_whatwg_specific_url(idx, line),
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check_whatwg_single_page_url(idx, line),
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)
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for error in errors:
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yield error
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def check_flake8(file_name, contents):
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if not file_name.endswith(".py"):
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return
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ignore = {
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"W291", # trailing whitespace; the standard tidy process will enforce no trailing whitespace
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"W503", # linebreak before binary operator; replaced by W504 - linebreak after binary operator
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"E501", # 80 character line length; the standard tidy process will enforce line length
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}
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output = ""
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try:
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args = ["flake8", "--ignore=" + ",".join(ignore), file_name]
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subprocess.check_output(args, universal_newlines=True)
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except subprocess.CalledProcessError as e:
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output = e.output
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for error in output.splitlines():
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_, line_num, _, message = error.split(":", 3)
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yield line_num, message.strip()
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def check_lock(file_name, contents):
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def find_reverse_dependencies(name, content):
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for package in itertools.chain([content.get("root", {})], content["package"]):
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for dependency in package.get("dependencies", []):
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parts = dependency.split()
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dependency = (parts[0], parts[1] if len(parts) > 1 else None, parts[2] if len(parts) > 2 else None)
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if dependency[0] == name:
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yield package["name"], package["version"], dependency
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if not file_name.endswith(".lock"):
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return
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# Package names to be neglected (as named by cargo)
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exceptions = config["ignore"]["packages"]
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content = toml.loads(contents.decode("utf-8"))
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packages_by_name = {}
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for package in content.get("package", []):
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if "replace" in package:
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continue
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source = package.get("source", "")
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if source == r"registry+https://github.com/rust-lang/crates.io-index":
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source = "crates.io"
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packages_by_name.setdefault(package["name"], []).append((package["version"], source))
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for name in exceptions:
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if name not in packages_by_name:
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yield (1, "duplicates are allowed for `{}` but it is not a dependency".format(name))
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for (name, packages) in packages_by_name.items():
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has_duplicates = len(packages) > 1
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duplicates_allowed = name in exceptions
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if has_duplicates == duplicates_allowed:
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continue
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if duplicates_allowed:
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message = 'duplicates for `{}` are allowed, but only single version found'.format(name)
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else:
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message = "duplicate versions for package `{}`".format(name)
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packages.sort()
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packages_dependencies = list(find_reverse_dependencies(name, content))
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for version, source in packages:
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short_source = source.split("#")[0].replace("git+", "")
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message += "\n\t\033[93mThe following packages depend on version {} from '{}':\033[0m" \
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.format(version, short_source)
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for pname, package_version, dependency in packages_dependencies:
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if (not dependency[1] or version in dependency[1]) and \
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(not dependency[2] or short_source in dependency[2]):
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message += "\n\t\t" + pname + " " + package_version
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yield (1, message)
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# Check to see if we are transitively using any blocked packages
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blocked_packages = config["blocked-packages"]
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# Create map to keep track of visited exception packages
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visited_whitelisted_packages = {package: {} for package in blocked_packages.keys()}
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for package in content.get("package", []):
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package_name = package.get("name")
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package_version = package.get("version")
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for dependency in package.get("dependencies", []):
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dependency = dependency.split()
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dependency_name = dependency[0]
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whitelist = blocked_packages.get(dependency_name)
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if whitelist is not None:
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if package_name not in whitelist:
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fmt = "Package {} {} depends on blocked package {}."
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message = fmt.format(package_name, package_version, dependency_name)
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yield (1, message)
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else:
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visited_whitelisted_packages[dependency_name][package_name] = True
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|
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# Check if all the exceptions to blocked packages actually depend on the blocked package
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for dependency_name, package_names in blocked_packages.items():
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for package_name in package_names:
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if not visited_whitelisted_packages[dependency_name].get(package_name):
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fmt = "Package {} is not required to be an exception of blocked package {}."
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message = fmt.format(package_name, dependency_name)
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yield (1, message)
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|
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def check_toml(file_name, lines):
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if not file_name.endswith("Cargo.toml"):
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return
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ok_licensed = False
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for idx, line in enumerate(map(lambda line: line.decode("utf-8"), lines)):
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if idx == 0 and "[workspace]" in line:
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return
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line_without_comment, _, _ = line.partition("#")
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if line_without_comment.find("*") != -1:
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yield (idx + 1, "found asterisk instead of minimum version number")
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for license_line in licenses_toml:
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ok_licensed |= (license_line in line)
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if not ok_licensed:
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yield (0, ".toml file should contain a valid license.")
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def check_shell(file_name, lines):
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if not file_name.endswith(".sh"):
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return
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shebang = "#!/usr/bin/env bash"
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required_options = ["set -o errexit", "set -o nounset", "set -o pipefail"]
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did_shebang_check = False
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if not lines:
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yield (0, 'script is an empty file')
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return
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|
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if lines[0].rstrip() != shebang.encode("utf-8"):
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yield (1, 'script does not have shebang "{}"'.format(shebang))
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|
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for idx, line in enumerate(map(lambda line: line.decode("utf-8"), lines[1:])):
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stripped = line.rstrip()
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# Comments or blank lines are ignored. (Trailing whitespace is caught with a separate linter.)
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if line.startswith("#") or stripped == "":
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continue
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|
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if not did_shebang_check:
|
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if stripped in required_options:
|
|
required_options.remove(stripped)
|
|
else:
|
|
# The first non-comment, non-whitespace, non-option line is the first "real" line of the script.
|
|
# The shebang, options, etc. must come before this.
|
|
if required_options:
|
|
formatted = ['"{}"'.format(opt) for opt in required_options]
|
|
yield (idx + 1, "script is missing options {}".format(", ".join(formatted)))
|
|
did_shebang_check = True
|
|
|
|
if "`" in stripped:
|
|
yield (idx + 1, "script should not use backticks for command substitution")
|
|
|
|
if " [ " in stripped or stripped.startswith("[ "):
|
|
yield (idx + 1, "script should use `[[` instead of `[` for conditional testing")
|
|
|
|
for dollar in re.finditer(r'\$', stripped):
|
|
next_idx = dollar.end()
|
|
if next_idx < len(stripped):
|
|
next_char = stripped[next_idx]
|
|
if not (next_char == '{' or next_char == '('):
|
|
yield(idx + 1, "variable substitutions should use the full \"${VAR}\" form")
|
|
|
|
|
|
def rec_parse(current_path, root_node):
|
|
dirs = []
|
|
for item in root_node.children:
|
|
if isinstance(item, node.DataNode):
|
|
next_depth = os.path.join(current_path, item.data)
|
|
dirs.append(next_depth)
|
|
dirs += rec_parse(next_depth, item)
|
|
return dirs
|
|
|
|
|
|
def check_manifest_dirs(config_file, print_text=True):
|
|
if not os.path.exists(config_file):
|
|
yield(config_file, 0, "%s manifest file is required but was not found" % config_file)
|
|
return
|
|
|
|
# Load configs from include.ini
|
|
with open(config_file, "rb") as content:
|
|
conf_file = content.read()
|
|
lines = conf_file.splitlines(True)
|
|
|
|
if print_text:
|
|
print('\rChecking the wpt manifest file...')
|
|
|
|
p = parser.parse(lines)
|
|
paths = rec_parse(wpt_path("web-platform-tests"), p)
|
|
for idx, path in enumerate(paths):
|
|
if '_mozilla' in path or '_webgl' in path or '_webgpu' in path:
|
|
continue
|
|
if not os.path.isdir(path):
|
|
yield(config_file, idx + 1, "Path in manifest was not found: {}".format(path))
|
|
|
|
|
|
def check_rust(file_name, lines):
|
|
if not file_name.endswith(".rs") or \
|
|
file_name.endswith(".mako.rs") or \
|
|
file_name.endswith(os.path.join("style", "build.rs")) or \
|
|
file_name.endswith(os.path.join("unit", "style", "stylesheets.rs")):
|
|
return
|
|
|
|
comment_depth = 0
|
|
merged_lines = ''
|
|
import_block = False
|
|
whitespace = False
|
|
|
|
is_lib_rs_file = file_name.endswith("lib.rs")
|
|
|
|
PANIC_NOT_ALLOWED_PATHS = [
|
|
os.path.join("*", "components", "compositing", "compositor.rs"),
|
|
os.path.join("*", "components", "constellation", "*"),
|
|
os.path.join("*", "ports", "winit", "headed_window.rs"),
|
|
os.path.join("*", "ports", "winit", "headless_window.rs"),
|
|
os.path.join("*", "ports", "winit", "embedder.rs"),
|
|
os.path.join("*", "rust_tidy.rs"), # This is for the tests.
|
|
]
|
|
is_panic_not_allowed_rs_file = any([
|
|
glob.fnmatch.fnmatch(file_name, path) for path in PANIC_NOT_ALLOWED_PATHS])
|
|
|
|
prev_open_brace = False
|
|
multi_line_string = False
|
|
prev_crate = {}
|
|
prev_mod = {}
|
|
prev_feature_name = ""
|
|
indent = 0
|
|
|
|
check_alphabetical_order = config["check-alphabetical-order"]
|
|
decl_message = "{} is not in alphabetical order"
|
|
decl_expected = "\n\t\033[93mexpected: {}\033[0m"
|
|
decl_found = "\n\t\033[91mfound: {}\033[0m"
|
|
panic_message = "unwrap() or panic!() found in code which should not panic."
|
|
|
|
for idx, original_line in enumerate(map(lambda line: line.decode("utf-8"), lines)):
|
|
# simplify the analysis
|
|
line = original_line.strip()
|
|
indent = len(original_line) - len(line)
|
|
|
|
is_attribute = re.search(r"#\[.*\]", line)
|
|
is_comment = re.search(r"^//|^/\*|^\*", line)
|
|
|
|
# Simple heuristic to avoid common case of no comments.
|
|
if '/' in line:
|
|
comment_depth += line.count('/*')
|
|
comment_depth -= line.count('*/')
|
|
|
|
if line.endswith('\\'):
|
|
merged_lines += line[:-1]
|
|
continue
|
|
if comment_depth:
|
|
merged_lines += line
|
|
continue
|
|
if merged_lines:
|
|
line = merged_lines + line
|
|
merged_lines = ''
|
|
|
|
if multi_line_string:
|
|
line, count = re.subn(
|
|
r'^(\\.|[^"\\])*?"', '', line, count=1)
|
|
if count == 1:
|
|
multi_line_string = False
|
|
else:
|
|
continue
|
|
|
|
# Ignore attributes, comments, and imports
|
|
# Keep track of whitespace to enable checking for a merged import block
|
|
if import_block:
|
|
if not (is_comment or is_attribute or line.startswith("use ")):
|
|
whitespace = line == ""
|
|
|
|
if not whitespace:
|
|
import_block = False
|
|
|
|
# get rid of strings and chars because cases like regex expression, keep attributes
|
|
if not is_attribute and not is_comment:
|
|
line = re.sub(r'"(\\.|[^\\"])*?"', '""', line)
|
|
line = re.sub(
|
|
r"'(\\.|[^\\']|(\\x[0-9a-fA-F]{2})|(\\u{[0-9a-fA-F]{1,6}}))'",
|
|
"''", line)
|
|
# If, after parsing all single-line strings, we still have
|
|
# an odd number of double quotes, this line starts a
|
|
# multiline string
|
|
if line.count('"') % 2 == 1:
|
|
line = re.sub(r'"(\\.|[^\\"])*?$', '""', line)
|
|
multi_line_string = True
|
|
|
|
# get rid of comments
|
|
line = re.sub(r'//.*?$|/\*.*?$|^\*.*?$', '//', line)
|
|
|
|
# get rid of attributes that do not contain =
|
|
line = re.sub(r'^#[A-Za-z0-9\(\)\[\]_]*?$', '#[]', line)
|
|
|
|
# flag this line if it matches one of the following regular expressions
|
|
# tuple format: (pattern, format_message, filter_function(match, line))
|
|
def no_filter(match, line):
|
|
return True
|
|
regex_rules = [
|
|
# There should not be any extra pointer dereferencing
|
|
(r": &Vec<", "use &[T] instead of &Vec<T>", no_filter),
|
|
# No benefit over using &str
|
|
(r": &String", "use &str instead of &String", no_filter),
|
|
# There should be any use of banned types:
|
|
# Cell<JSVal>, Cell<Dom<T>>, DomRefCell<Dom<T>>, DomRefCell<HEAP<T>>
|
|
(r"(\s|:)+Cell<JSVal>", "Banned type Cell<JSVal> detected. Use MutDom<JSVal> instead", no_filter),
|
|
(r"(\s|:)+Cell<Dom<.+>>", "Banned type Cell<Dom<T>> detected. Use MutDom<T> instead", no_filter),
|
|
(r"DomRefCell<Dom<.+>>", "Banned type DomRefCell<Dom<T>> detected. Use MutDom<T> instead", no_filter),
|
|
(r"DomRefCell<Heap<.+>>", "Banned type DomRefCell<Heap<T>> detected. Use MutDom<T> instead", no_filter),
|
|
# No benefit to using &Root<T>
|
|
(r": &Root<", "use &T instead of &Root<T>", no_filter),
|
|
(r": &DomRoot<", "use &T instead of &DomRoot<T>", no_filter),
|
|
(r"^&&", "operators should go at the end of the first line", no_filter),
|
|
# -> () is unnecessary
|
|
(r"-> \(\)", "encountered function signature with -> ()", no_filter),
|
|
]
|
|
|
|
for pattern, message, filter_func in regex_rules:
|
|
for match in re.finditer(pattern, line):
|
|
if filter_func(match, line):
|
|
yield (idx + 1, message.format(*match.groups(), **match.groupdict()))
|
|
|
|
if prev_open_brace and not line:
|
|
yield (idx + 1, "found an empty line following a {")
|
|
prev_open_brace = line.endswith("{")
|
|
|
|
# check alphabetical order of extern crates
|
|
if line.startswith("extern crate "):
|
|
# strip "extern crate " from the begin and ";" from the end
|
|
crate_name = line[13:-1]
|
|
if indent not in prev_crate:
|
|
prev_crate[indent] = ""
|
|
if prev_crate[indent] > crate_name and check_alphabetical_order:
|
|
yield(idx + 1, decl_message.format("extern crate declaration")
|
|
+ decl_expected.format(prev_crate[indent])
|
|
+ decl_found.format(crate_name))
|
|
prev_crate[indent] = crate_name
|
|
|
|
if line == "}":
|
|
for i in [i for i in prev_crate.keys() if i > indent]:
|
|
del prev_crate[i]
|
|
|
|
# check alphabetical order of feature attributes in lib.rs files
|
|
if is_lib_rs_file:
|
|
match = re.search(r"#!\[feature\((.*)\)\]", line)
|
|
|
|
if match:
|
|
features = list(map(lambda w: w.strip(), match.group(1).split(',')))
|
|
sorted_features = sorted(features)
|
|
if sorted_features != features and check_alphabetical_order:
|
|
yield(idx + 1, decl_message.format("feature attribute")
|
|
+ decl_expected.format(tuple(sorted_features))
|
|
+ decl_found.format(tuple(features)))
|
|
|
|
if prev_feature_name > sorted_features[0] and check_alphabetical_order:
|
|
yield(idx + 1, decl_message.format("feature attribute")
|
|
+ decl_expected.format(prev_feature_name + " after " + sorted_features[0])
|
|
+ decl_found.format(prev_feature_name + " before " + sorted_features[0]))
|
|
|
|
prev_feature_name = sorted_features[0]
|
|
else:
|
|
# not a feature attribute line, so empty previous name
|
|
prev_feature_name = ""
|
|
|
|
if is_panic_not_allowed_rs_file:
|
|
match = re.search(r"unwrap\(|panic!\(", line)
|
|
if match:
|
|
yield (idx + 1, panic_message)
|
|
|
|
# modules must be in the same line and alphabetically sorted
|
|
if line.startswith("mod ") or line.startswith("pub mod "):
|
|
# strip /(pub )?mod/ from the left and ";" from the right
|
|
mod = line[4:-1] if line.startswith("mod ") else line[8:-1]
|
|
|
|
if (idx - 1) < 0 or "#[macro_use]" not in lines[idx - 1].decode("utf-8"):
|
|
match = line.find(" {")
|
|
if indent not in prev_mod:
|
|
prev_mod[indent] = ""
|
|
if match == -1 and not line.endswith(";"):
|
|
yield (idx + 1, "mod declaration spans multiple lines")
|
|
if prev_mod[indent] and mod < prev_mod[indent] and check_alphabetical_order:
|
|
yield(idx + 1, decl_message.format("mod declaration")
|
|
+ decl_expected.format(prev_mod[indent])
|
|
+ decl_found.format(mod))
|
|
prev_mod[indent] = mod
|
|
else:
|
|
# we now erase previous entries
|
|
prev_mod = {}
|
|
|
|
# derivable traits should be alphabetically ordered
|
|
if is_attribute:
|
|
# match the derivable traits filtering out macro expansions
|
|
match = re.search(r"#\[derive\(([a-zA-Z, ]*)", line)
|
|
if match:
|
|
derives = list(map(lambda w: w.strip(), match.group(1).split(',')))
|
|
# sort, compare and report
|
|
sorted_derives = sorted(derives)
|
|
if sorted_derives != derives and check_alphabetical_order:
|
|
yield(idx + 1, decl_message.format("derivable traits list")
|
|
+ decl_expected.format(", ".join(sorted_derives))
|
|
+ decl_found.format(", ".join(derives)))
|
|
|
|
|
|
# Avoid flagging <Item=Foo> constructs
|
|
def is_associated_type(match, line):
|
|
if match.group(1) != '=':
|
|
return False
|
|
open_angle = line[0:match.end()].rfind('<')
|
|
close_angle = line[open_angle:].find('>') if open_angle != -1 else -1
|
|
generic_open = open_angle != -1 and open_angle < match.start()
|
|
generic_close = close_angle != -1 and close_angle + open_angle >= match.end()
|
|
return generic_open and generic_close
|
|
|
|
|
|
def check_webidl_spec(file_name, contents):
|
|
# Sorted by this function (in pseudo-Rust). The idea is to group the same
|
|
# organization together.
|
|
# fn sort_standards(a: &Url, b: &Url) -> Ordering {
|
|
# let a_domain = a.domain().split(".");
|
|
# a_domain.pop();
|
|
# a_domain.reverse();
|
|
# let b_domain = b.domain().split(".");
|
|
# b_domain.pop();
|
|
# b_domain.reverse();
|
|
# for i in a_domain.into_iter().zip(b_domain.into_iter()) {
|
|
# match i.0.cmp(b.0) {
|
|
# Less => return Less,
|
|
# Greater => return Greater,
|
|
# _ => (),
|
|
# }
|
|
# }
|
|
# a_domain.path().cmp(b_domain.path())
|
|
# }
|
|
|
|
if not file_name.endswith(".webidl"):
|
|
return
|
|
|
|
for i in WEBIDL_STANDARDS:
|
|
if contents.find(i) != -1:
|
|
return
|
|
yield (0, "No specification link found.")
|
|
|
|
|
|
def duplicate_key_yaml_constructor(loader, node, deep=False):
|
|
mapping = {}
|
|
for key_node, value_node in node.value:
|
|
key = loader.construct_object(key_node, deep=deep)
|
|
if key in mapping:
|
|
raise KeyError(key)
|
|
value = loader.construct_object(value_node, deep=deep)
|
|
mapping[key] = value
|
|
return loader.construct_mapping(node, deep)
|
|
|
|
|
|
def lint_buildbot_steps_yaml(mapping):
|
|
from voluptuous import Any, Extra, Required, Schema
|
|
|
|
# Note: dictionary keys are optional by default in voluptuous
|
|
env = Schema({Extra: str})
|
|
commands = Schema([str])
|
|
schema = Schema({
|
|
'env': env,
|
|
Extra: Any(
|
|
commands,
|
|
{
|
|
'env': env,
|
|
Required('commands'): commands,
|
|
},
|
|
),
|
|
})
|
|
|
|
# Signals errors via exception throwing
|
|
schema(mapping)
|
|
|
|
|
|
class SafeYamlLoader(yaml.SafeLoader):
|
|
"""Subclass of yaml.SafeLoader to avoid mutating the global SafeLoader."""
|
|
pass
|
|
|
|
|
|
def check_yaml(file_name, contents):
|
|
if not file_name.endswith("buildbot_steps.yml"):
|
|
return
|
|
|
|
# YAML specification doesn't explicitly disallow
|
|
# duplicate keys, but they shouldn't be allowed in
|
|
# buildbot_steps.yml as it could lead to confusion
|
|
SafeYamlLoader.add_constructor(
|
|
yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG,
|
|
duplicate_key_yaml_constructor
|
|
)
|
|
|
|
try:
|
|
contents = yaml.load(contents, Loader=SafeYamlLoader)
|
|
lint_buildbot_steps_yaml(contents)
|
|
except yaml.YAMLError as e:
|
|
line = e.problem_mark.line + 1 if hasattr(e, 'problem_mark') else None
|
|
yield (line, e)
|
|
except KeyError as e:
|
|
yield (None, "Duplicated Key ({})".format(e.args[0]))
|
|
except voluptuous.MultipleInvalid as e:
|
|
yield (None, str(e))
|
|
|
|
|
|
def check_for_possible_duplicate_json_keys(key_value_pairs):
|
|
keys = [x[0] for x in key_value_pairs]
|
|
seen_keys = set()
|
|
for key in keys:
|
|
if key in seen_keys:
|
|
raise KeyError("Duplicated Key (%s)" % key)
|
|
|
|
seen_keys.add(key)
|
|
|
|
|
|
def check_for_alphabetical_sorted_json_keys(key_value_pairs):
|
|
for a, b in zip(key_value_pairs[:-1], key_value_pairs[1:]):
|
|
if a[0] > b[0]:
|
|
raise KeyError("Unordered key (found %s before %s)" % (a[0], b[0]))
|
|
|
|
|
|
def check_json_requirements(filename):
|
|
def check_fn(key_value_pairs):
|
|
check_for_possible_duplicate_json_keys(key_value_pairs)
|
|
if filename in normilize_paths(config["check-ordered-json-keys"]):
|
|
check_for_alphabetical_sorted_json_keys(key_value_pairs)
|
|
return check_fn
|
|
|
|
|
|
def check_json(filename, contents):
|
|
if not filename.endswith(".json"):
|
|
return
|
|
|
|
try:
|
|
json.loads(contents, object_pairs_hook=check_json_requirements(filename))
|
|
except ValueError as e:
|
|
match = re.search(r"line (\d+) ", e.args[0])
|
|
line_no = match and match.group(1)
|
|
yield (line_no, e.args[0])
|
|
except KeyError as e:
|
|
yield (None, e.args[0])
|
|
|
|
|
|
def check_spec(file_name, lines):
|
|
if SPEC_BASE_PATH not in file_name:
|
|
return
|
|
file_name = os.path.relpath(os.path.splitext(file_name)[0], SPEC_BASE_PATH)
|
|
patt = re.compile(r"^\s*\/\/.+")
|
|
|
|
# Pattern representing a line with a macro
|
|
macro_patt = re.compile(r"^\s*\S+!(.*)$")
|
|
|
|
# Pattern representing a line with comment containing a spec link
|
|
link_patt = re.compile(r"^\s*///? (<https://.+>|https://.+)$")
|
|
|
|
# Pattern representing a line with comment or attribute
|
|
comment_patt = re.compile(r"^\s*(///?.+|#\[.+\])$")
|
|
|
|
brace_count = 0
|
|
in_impl = False
|
|
pattern = "impl {}Methods for {} {{".format(file_name, file_name)
|
|
|
|
for idx, line in enumerate(map(lambda line: line.decode("utf-8"), lines)):
|
|
if "// check-tidy: no specs after this line" in line:
|
|
break
|
|
if not patt.match(line):
|
|
if pattern.lower() in line.lower():
|
|
in_impl = True
|
|
if ("fn " in line or macro_patt.match(line)) and brace_count == 1:
|
|
for up_idx in range(1, idx + 1):
|
|
up_line = lines[idx - up_idx].decode("utf-8")
|
|
if link_patt.match(up_line):
|
|
# Comment with spec link exists
|
|
break
|
|
if not comment_patt.match(up_line):
|
|
# No more comments exist above, yield warning
|
|
yield (idx + 1, "method declared in webidl is missing a comment with a specification link")
|
|
break
|
|
if in_impl:
|
|
brace_count += line.count('{')
|
|
brace_count -= line.count('}')
|
|
if brace_count < 1:
|
|
break
|
|
|
|
|
|
def check_config_file(config_file, print_text=True, no_wpt=False):
|
|
# Check if config file exists
|
|
if not os.path.exists(config_file):
|
|
print("%s config file is required but was not found" % config_file)
|
|
sys.exit(1)
|
|
|
|
# Load configs from servo-tidy.toml
|
|
with open(config_file) as content:
|
|
conf_file = content.read()
|
|
lines = conf_file.splitlines(True)
|
|
|
|
if print_text:
|
|
print('\rChecking the config file...')
|
|
|
|
config_content = toml.loads(conf_file)
|
|
exclude = config_content.get("ignore", {})
|
|
|
|
# Check for invalid listed ignored directories
|
|
exclude_dirs = [d for p in exclude.get("directories", []) for d in (glob.glob(p) or [p])]
|
|
skip_dirs = ["./target", "./tests"]
|
|
invalid_dirs = [d for d in exclude_dirs if not os.path.isdir(d) and not any(s in d for s in skip_dirs)]
|
|
|
|
# Check for invalid listed ignored files
|
|
invalid_files = [f for f in exclude.get("files", []) if not os.path.exists(f)]
|
|
|
|
# Do not check for the existense of ignored files under tests/wpts if --no-wpt is used
|
|
if no_wpt:
|
|
wpt_dir = './tests/wpt/'
|
|
invalid_files = [f for f in invalid_files if not os.path.commonprefix([wpt_dir, f]) == wpt_dir]
|
|
|
|
current_table = ""
|
|
for idx, line in enumerate(lines):
|
|
# Ignore comment lines
|
|
if line.strip().startswith("#"):
|
|
continue
|
|
|
|
# Check for invalid tables
|
|
if re.match(r"\[(.*?)\]", line.strip()):
|
|
table_name = re.findall(r"\[(.*?)\]", line)[0].strip()
|
|
if table_name not in ("configs", "blocked-packages", "ignore", "check_ext"):
|
|
yield config_file, idx + 1, "invalid config table [%s]" % table_name
|
|
current_table = table_name
|
|
continue
|
|
|
|
# Print invalid listed ignored directories
|
|
if current_table == "ignore" and invalid_dirs:
|
|
for d in invalid_dirs:
|
|
if line.strip().strip('\'",') == d:
|
|
yield config_file, idx + 1, "ignored directory '%s' doesn't exist" % d
|
|
invalid_dirs.remove(d)
|
|
break
|
|
|
|
# Print invalid listed ignored files
|
|
if current_table == "ignore" and invalid_files:
|
|
for f in invalid_files:
|
|
if line.strip().strip('\'",') == f:
|
|
yield config_file, idx + 1, "ignored file '%s' doesn't exist" % f
|
|
invalid_files.remove(f)
|
|
break
|
|
|
|
# Skip if there is no equal sign in line, assuming it's not a key
|
|
if "=" not in line:
|
|
continue
|
|
|
|
key = line.split("=")[0].strip()
|
|
|
|
# Check for invalid keys inside [configs] and [ignore] table
|
|
if (current_table == "configs" and key not in config
|
|
or current_table == "ignore" and key not in config["ignore"]
|
|
# Any key outside of tables
|
|
or current_table == ""):
|
|
yield config_file, idx + 1, "invalid config key '%s'" % key
|
|
|
|
# Parse config file
|
|
parse_config(config_content)
|
|
|
|
|
|
def parse_config(config_file):
|
|
exclude = config_file.get("ignore", {})
|
|
# Add list of ignored directories to config
|
|
ignored_directories = [d for p in exclude.get("directories", []) for d in (glob.glob(p) or [p])]
|
|
config["ignore"]["directories"] += normilize_paths(ignored_directories)
|
|
# Add list of ignored files to config
|
|
config["ignore"]["files"] += normilize_paths(exclude.get("files", []))
|
|
# Add list of ignored packages to config
|
|
config["ignore"]["packages"] = exclude.get("packages", [])
|
|
|
|
# Add dict of dir, list of expected ext to config
|
|
dirs_to_check = config_file.get("check_ext", {})
|
|
# Fix the paths (OS-dependent)
|
|
for path, exts in dirs_to_check.items():
|
|
config['check_ext'][normilize_paths(path)] = exts
|
|
|
|
# Add list of blocked packages
|
|
config["blocked-packages"] = config_file.get("blocked-packages", {})
|
|
|
|
# Override default configs
|
|
user_configs = config_file.get("configs", [])
|
|
for pref in user_configs:
|
|
if pref in config:
|
|
config[pref] = user_configs[pref]
|
|
|
|
|
|
def check_directory_files(directories, print_text=True):
|
|
if print_text:
|
|
print('\rChecking directories for correct file extensions...')
|
|
for directory, file_extensions in directories.items():
|
|
files = sorted(os.listdir(directory))
|
|
for filename in files:
|
|
if not any(filename.endswith(ext) for ext in file_extensions):
|
|
details = {
|
|
"name": os.path.basename(filename),
|
|
"ext": ", ".join(file_extensions),
|
|
"dir_name": directory
|
|
}
|
|
message = '''Unexpected extension found for {name}. \
|
|
We only expect files with {ext} extensions in {dir_name}'''.format(**details)
|
|
yield (filename, 1, message)
|
|
|
|
|
|
def collect_errors_for_files(files_to_check, checking_functions, line_checking_functions, print_text=True):
|
|
(has_element, files_to_check) = is_iter_empty(files_to_check)
|
|
if not has_element:
|
|
return
|
|
if print_text:
|
|
print('\rChecking files for tidiness...')
|
|
|
|
for filename in files_to_check:
|
|
if not os.path.exists(filename):
|
|
continue
|
|
with open(filename, "rb") as f:
|
|
contents = f.read()
|
|
if not contents.strip():
|
|
yield filename, 0, "file is empty"
|
|
continue
|
|
for check in checking_functions:
|
|
for error in check(filename, contents):
|
|
# the result will be: `(filename, line, message)`
|
|
yield (filename,) + error
|
|
lines = contents.splitlines(True)
|
|
for check in line_checking_functions:
|
|
for error in check(filename, lines):
|
|
yield (filename,) + error
|
|
|
|
|
|
def get_dep_toml_files(only_changed_files=False):
|
|
if not only_changed_files:
|
|
print('\nRunning the dependency licensing lint...')
|
|
for root, directories, filenames in os.walk(".cargo"):
|
|
for filename in filenames:
|
|
if filename == "Cargo.toml":
|
|
yield os.path.join(root, filename)
|
|
|
|
|
|
def check_dep_license_errors(filenames, progress=True):
|
|
filenames = progress_wrapper(filenames) if progress else filenames
|
|
for filename in filenames:
|
|
with open(filename, "r") as f:
|
|
ok_licensed = False
|
|
lines = f.readlines()
|
|
for idx, line in enumerate(lines):
|
|
for license_line in licenses_dep_toml:
|
|
ok_licensed |= (license_line in line)
|
|
if not ok_licensed:
|
|
yield (filename, 0, "dependency should contain a valid license.")
|
|
|
|
|
|
class LintRunner(object):
|
|
def __init__(self, lint_path=None, only_changed_files=True,
|
|
exclude_dirs=[], progress=True, stylo=False, no_wpt=False):
|
|
self.only_changed_files = only_changed_files
|
|
self.exclude_dirs = exclude_dirs
|
|
self.progress = progress
|
|
self.path = lint_path
|
|
self.stylo = stylo
|
|
self.no_wpt = no_wpt
|
|
|
|
def check(self, lint_cls):
|
|
lint = lint_cls(self.path, self.only_changed_files,
|
|
self.exclude_dirs, self.progress,
|
|
stylo=self.stylo, no_wpt=self.no_wpt)
|
|
for error in lint.run():
|
|
if type(error) is not tuple or (type(error) is tuple and len(error) != 3):
|
|
yield (self.path, 1, "errors should be a tuple of (path, line, reason)")
|
|
return
|
|
yield error
|
|
|
|
def get_files(self, path, **kwargs):
|
|
args = ['only_changed_files', 'exclude_dirs', 'progress']
|
|
kwargs = {k: kwargs.get(k, getattr(self, k)) for k in args}
|
|
return FileList(path, **kwargs)
|
|
|
|
def run(self):
|
|
yield (self.path, 0, "class 'Lint' should implement 'run' method")
|
|
|
|
|
|
def run_lint_scripts(only_changed_files=False, progress=True, stylo=False, no_wpt=False):
|
|
runner = LintRunner(only_changed_files=only_changed_files, progress=progress, stylo=stylo, no_wpt=no_wpt)
|
|
for error in runner.check(WPTLint):
|
|
yield error
|
|
|
|
|
|
def scan(only_changed_files=False, progress=True, stylo=False, no_wpt=False):
|
|
# check config file for errors
|
|
config_errors = check_config_file(CONFIG_FILE_PATH, no_wpt=no_wpt)
|
|
# check ini directories exist
|
|
if not no_wpt and os.path.isfile(WPT_MANIFEST_PATH):
|
|
manifest_errors = check_manifest_dirs(WPT_MANIFEST_PATH)
|
|
else:
|
|
manifest_errors = ()
|
|
# check directories contain expected files
|
|
directory_errors = check_directory_files(config['check_ext'])
|
|
# standard checks
|
|
files_to_check = filter_files('.', only_changed_files and not stylo, progress)
|
|
checking_functions = (check_flake8, check_lock, check_webidl_spec, check_json, check_yaml)
|
|
line_checking_functions = (check_license, check_by_line, check_toml, check_shell,
|
|
check_rust, check_spec, check_modeline)
|
|
file_errors = collect_errors_for_files(files_to_check, checking_functions, line_checking_functions)
|
|
# check dependecy licenses
|
|
dep_license_errors = check_dep_license_errors(get_dep_toml_files(only_changed_files), progress)
|
|
# other lint checks
|
|
lint_errors = run_lint_scripts(only_changed_files, progress, stylo=stylo, no_wpt=no_wpt)
|
|
# chain all the iterators
|
|
errors = itertools.chain(config_errors, manifest_errors, directory_errors, lint_errors,
|
|
file_errors, dep_license_errors)
|
|
|
|
error = None
|
|
colorama.init()
|
|
for error in errors:
|
|
print("\r\033[94m{}\033[0m:\033[93m{}\033[0m: \033[91m{}\033[0m".format(*error))
|
|
|
|
print()
|
|
if error is None:
|
|
print("\033[92mtidy reported no errors.\033[0m")
|
|
|
|
return int(error is not None)
|
|
|
|
|
|
class WPTLint(LintRunner):
|
|
def _get_wpt_files(self, suite):
|
|
working_dir = os.path.join(WPT_PATH, suite, '')
|
|
file_iter = self.get_files(working_dir, exclude_dirs=[])
|
|
print('\nRunning the WPT lint on %s...' % working_dir)
|
|
for f in file_iter:
|
|
if filter_file(f):
|
|
yield f[len(working_dir):]
|
|
|
|
def run(self):
|
|
if self.stylo or self.no_wpt:
|
|
return
|
|
|
|
wpt_working_dir = os.path.abspath(os.path.join(WPT_PATH, "web-platform-tests"))
|
|
for suite in SUITES:
|
|
files = list(self._get_wpt_files(suite))
|
|
if not files:
|
|
continue
|
|
sys.path.insert(0, wpt_working_dir)
|
|
from tools.lint import lint
|
|
file_dir = os.path.abspath(os.path.join(WPT_PATH, suite))
|
|
returncode = lint.lint(file_dir, files, output_format="json")
|
|
sys.path.remove(wpt_working_dir)
|
|
if returncode:
|
|
yield ("WPT Lint Tool", "", "lint error(s) in Web Platform Tests: exit status %s" % returncode)
|