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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import argparse
import copy
import os
from mach.decorators import Command, CommandArgument
from mozbuild.base import BuildEnvironmentNotFoundException
from mozbuild.base import MachCommandConditions as conditions
here = os.path.abspath(os.path.dirname(__file__))
EXCLUSION_FILES = [
os.path.join("tools", "rewriting", "Generated.txt"),
os.path.join("tools", "rewriting", "ThirdPartyPaths.txt"),
]
EXCLUSION_FILES_OPTIONAL = []
thunderbird_excludes = os.path.join("comm", "tools", "lint", "GlobalExclude.txt")
if os.path.exists(thunderbird_excludes):
EXCLUSION_FILES_OPTIONAL.append(thunderbird_excludes)
GLOBAL_EXCLUDES = ["**/node_modules", "tools/lint/test/files", ".hg", ".git"]
VALID_FORMATTERS = {"black", "clang-format", "rustfmt"}
VALID_ANDROID_FORMATTERS = {"android-format"}
# Code-review bot must index issues from the whole codebase when pushing
# to autoland or try repositories. In such cases, output warnings in the
# task's JSON artifact but do not fail if only warnings are found.
REPORT_WARNINGS = os.environ.get("GECKO_HEAD_REPOSITORY", "").rstrip("/") in (
"https://hg.mozilla.org/mozilla-central",
"https://hg.mozilla.org/integration/autoland",
"https://hg.mozilla.org/try",
)
def setup_argument_parser():
from mozlint import cli
return cli.MozlintParser()
def get_global_excludes(**lintargs):
# exclude misc paths
excludes = GLOBAL_EXCLUDES[:]
topsrcdir = lintargs["root"]
# exclude top level paths that look like objdirs
excludes.extend(
[
name
for name in os.listdir(topsrcdir)
if name.startswith("obj") and os.path.isdir(name)
]
)
if lintargs.get("include_third-party"):
# For some linters, we want to include the thirdparty code too.
# Example: trojan-source linter should run also on third party code.
return excludes
for path in EXCLUSION_FILES + EXCLUSION_FILES_OPTIONAL:
with open(os.path.join(topsrcdir, path), "r") as fh:
excludes.extend([f.strip() for f in fh.readlines()])
return excludes
@Command(
"lint",
category="devenv",
description="Run linters.",
parser=setup_argument_parser,
virtualenv_name="lint",
)
def lint(command_context, *runargs, **lintargs):
"""Run linters."""
command_context.activate_virtualenv()
from mozlint import cli, parser
try:
buildargs = {}
buildargs["substs"] = copy.deepcopy(dict(command_context.substs))
buildargs["defines"] = copy.deepcopy(dict(command_context.defines))
buildargs["topobjdir"] = command_context.topobjdir
lintargs.update(buildargs)
except BuildEnvironmentNotFoundException:
pass
lintargs.setdefault("root", command_context.topsrcdir)
lintargs["exclude"] = get_global_excludes(**lintargs)
lintargs["config_paths"].insert(0, here)
lintargs["virtualenv_bin_path"] = command_context.virtualenv_manager.bin_path
lintargs["virtualenv_manager"] = command_context.virtualenv_manager
if REPORT_WARNINGS and lintargs.get("show_warnings") is None:
lintargs["show_warnings"] = "soft"
for path in EXCLUSION_FILES:
parser.GLOBAL_SUPPORT_FILES.append(
os.path.join(command_context.topsrcdir, path)
)
setupargs = {
"mach_command_context": command_context,
}
return cli.run(*runargs, setupargs=setupargs, **lintargs)
@Command(
"eslint",
category="devenv",
description="Run eslint or help configure eslint for optimal development.",
)
@CommandArgument(
"paths",
default=None,
nargs="*",
help="Paths to file or directories to lint, like "
"'browser/' Defaults to the "
"current directory if not given.",
)
@CommandArgument(
"-s",
"--setup",
default=False,
action="store_true",
help="Configure eslint for optimal development.",
)
@CommandArgument("-b", "--binary", default=None, help="Path to eslint binary.")
@CommandArgument(
"--fix",
default=False,
action="store_true",
help="Request that eslint automatically fix errors, where possible.",
)
@CommandArgument(
"--rule",
default=[],
dest="rules",
action="append",
help="Specify an additional rule for ESLint to run, e.g. 'no-new-object: error'",
)
@CommandArgument(
"extra_args",
nargs=argparse.REMAINDER,
help="Extra args that will be forwarded to eslint.",
)
def eslint(command_context, paths, extra_args=[], **kwargs):
command_context._mach_context.commands.dispatch(
"lint",
command_context._mach_context,
linters=["eslint"],
paths=paths,
argv=extra_args,
**kwargs
)
@Command(
"format",
category="devenv",
description="Format files, alternative to 'lint --fix' ",
parser=setup_argument_parser,
)
def format_files(command_context, paths, extra_args=[], **kwargs):
linters = kwargs["linters"]
formatters = VALID_FORMATTERS
if conditions.is_android(command_context):
formatters |= VALID_ANDROID_FORMATTERS
if not linters:
linters = formatters
else:
invalid_linters = set(linters) - formatters
if invalid_linters:
print(
"error: One or more linters passed are not valid formatters. "
"Note that only the following linters are valid formatters:"
)
print("\n".join(sorted(formatters)))
return 1
kwargs["linters"] = list(linters)
kwargs["fix"] = True
command_context._mach_context.commands.dispatch(
"lint", command_context._mach_context, paths=paths, argv=extra_args, **kwargs
)
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