diff options
Diffstat (limited to 'tools/lint/python/l10n_lint.py')
| -rw-r--r-- | tools/lint/python/l10n_lint.py | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/tools/lint/python/l10n_lint.py b/tools/lint/python/l10n_lint.py new file mode 100644 index 0000000000..ef3269ef2a --- /dev/null +++ b/tools/lint/python/l10n_lint.py @@ -0,0 +1,171 @@ +# 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 os +from datetime import datetime, timedelta + +import mozversioncontrol.repoupdate +from compare_locales import parser +from compare_locales.lint.linter import L10nLinter +from compare_locales.lint.util import l10n_base_reference_and_tests +from compare_locales.paths import ProjectFiles, TOMLParser +from mach import util as mach_util +from mozlint import pathutils, result +from mozpack import path as mozpath + +LOCALE = "gecko-strings" +STRINGS_REPO = "https://hg.mozilla.org/l10n/gecko-strings" + +PULL_AFTER = timedelta(days=2) + +# Wrapper to call lint_strings with mozilla-central configuration +# comm-central defines its own wrapper since comm-central strings are +# in separate repositories +def lint(paths, lintconfig, **lintargs): + return lint_strings(LOCALE, paths, lintconfig, **lintargs) + + +def lint_strings(locale, paths, lintconfig, **lintargs): + l10n_base = mach_util.get_state_dir() + root = lintargs["root"] + exclude = lintconfig.get("exclude") + extensions = lintconfig.get("extensions") + + # Load l10n.toml configs + l10nconfigs = load_configs(lintconfig, root, l10n_base, locale) + + # Check include paths in l10n.yml if it's in our given paths + # Only the l10n.yml will show up here, but if the l10n.toml files + # change, we also get the l10n.yml as the toml files are listed as + # support files. + if lintconfig["path"] in paths: + results = validate_linter_includes(lintconfig, l10nconfigs, lintargs) + paths.remove(lintconfig["path"]) + else: + results = [] + + all_files = [] + for p in paths: + fp = pathutils.FilterPath(p) + if fp.isdir: + for _, fileobj in fp.finder: + all_files.append(fileobj.path) + if fp.isfile: + all_files.append(p) + # Filter again, our directories might have picked up files the + # explicitly excluded in the l10n.yml configuration. + # `browser/locales/en-US/firefox-l10n.js` is a good example. + all_files, _ = pathutils.filterpaths( + lintargs["root"], + all_files, + lintconfig["include"], + exclude=exclude, + extensions=extensions, + ) + # These should be excluded in l10n.yml + skips = {p for p in all_files if not parser.hasParser(p)} + results.extend( + result.from_config( + lintconfig, + level="warning", + path=path, + message="file format not supported in compare-locales", + ) + for path in skips + ) + all_files = [p for p in all_files if p not in skips] + files = ProjectFiles(locale, l10nconfigs) + + get_reference_and_tests = l10n_base_reference_and_tests(files) + + linter = MozL10nLinter(lintconfig) + results += linter.lint(all_files, get_reference_and_tests) + return results + + +# Similar to the lint/lint_strings wrapper setup, for comm-central support. +def gecko_strings_setup(**lint_args): + return strings_repo_setup(STRINGS_REPO, LOCALE) + + +def strings_repo_setup(repo, locale): + gs = mozpath.join(mach_util.get_state_dir(), locale) + marker = mozpath.join(gs, ".hg", "l10n_pull_marker") + try: + last_pull = datetime.fromtimestamp(os.stat(marker).st_mtime) + skip_clone = datetime.now() < last_pull + PULL_AFTER + except OSError: + skip_clone = False + if skip_clone: + return + try: + hg = mozversioncontrol.get_tool_path("hg") + except mozversioncontrol.MissingVCSTool: + if os.environ.get("MOZ_AUTOMATION"): + raise + print("warning: l10n linter requires Mercurial but was unable to find 'hg'") + return 1 + mozversioncontrol.repoupdate.update_mercurial_repo(hg, repo, gs) + with open(marker, "w") as fh: + fh.flush() + + +def load_configs(lintconfig, root, l10n_base, locale): + """Load l10n configuration files specified in the linter configuration.""" + configs = [] + env = {"l10n_base": l10n_base} + for toml in lintconfig["l10n_configs"]: + cfg = TOMLParser().parse( + mozpath.join(root, toml), env=env, ignore_missing_includes=True + ) + cfg.set_locales([locale], deep=True) + configs.append(cfg) + return configs + + +def validate_linter_includes(lintconfig, l10nconfigs, lintargs): + """Check l10n.yml config against l10n.toml configs.""" + reference_paths = set( + mozpath.relpath(p["reference"].prefix, lintargs["root"]) + for project in l10nconfigs + for config in project.configs + for p in config.paths + ) + # Just check for directories + reference_dirs = sorted(p for p in reference_paths if os.path.isdir(p)) + missing_in_yml = [ + refd for refd in reference_dirs if refd not in lintconfig["include"] + ] + # These might be subdirectories in the config, though + missing_in_yml = [ + d + for d in missing_in_yml + if not any(d.startswith(parent + "/") for parent in lintconfig["include"]) + ] + if missing_in_yml: + dirs = ", ".join(missing_in_yml) + return [ + result.from_config( + lintconfig, + path=lintconfig["path"], + message="l10n.yml out of sync with l10n.toml, add: " + dirs, + ) + ] + return [] + + +class MozL10nLinter(L10nLinter): + """Subclass linter to generate the right result type.""" + + def __init__(self, lintconfig): + super(MozL10nLinter, self).__init__() + self.lintconfig = lintconfig + + def lint(self, files, get_reference_and_tests): + return [ + result.from_config(self.lintconfig, **result_data) + for result_data in super(MozL10nLinter, self).lint( + files, get_reference_and_tests + ) + ] |