tools/lint/wpt/wpt.py

   1 # -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
   2 # vim: set filetype=python:
   3 # This Source Code Form is subject to the terms of the Mozilla Public
   4 # License, v. 2.0. If a copy of the MPL was not distributed with this
   5 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6
   7 import json
   8 import os
   9 import subprocess
  10 import sys
  11
  12 from mozlint import result
  13
  14 results = []
  15
  16
  17 def lint(files, config, **kwargs):
  18     log = kwargs["log"]
  19     tests_dir = os.path.join(kwargs["root"], "testing", "web-platform", "tests")
  20
  21     def process_line(line):
  22         try:
  23             data = json.loads(line)
  24         except ValueError:
  25             print(
  26                 f"Got non-JSON output: {line}",
  27                 file=sys.stderr,
  28             )
  29             return
  30
  31         data["level"] = "error"
  32         data["path"] = os.path.relpath(
  33             os.path.join(tests_dir, data["path"]), kwargs["root"]
  34         )
  35         data.setdefault("lineno", 0)
  36         results.append(result.from_config(config, **data))
  37
  38     if files == [tests_dir]:
  39         print(
  40             "No specific files specified, running the full wpt lint" " (this is slow)",
  41             file=sys.stderr,
  42         )
  43         files = ["--all"]
  44     cmd = ["python3", os.path.join(tests_dir, "wpt"), "lint", "--json"] + files
  45     log.debug("Command: {}".format(" ".join(cmd)))
  46
  47     proc = subprocess.Popen(
  48         cmd, env=os.environ, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True
  49     )
  50     try:
  51         for line in proc.stdout:
  52             process_line(line.rstrip("\r\n"))
  53         proc.wait()
  54         if proc.returncode != 0:
  55             results.append(
  56                 result.from_config(
  57                     config,
  58                     message="Lint process exited with return code %s" % proc.returncode,
  59                 )
  60             )
  61     except KeyboardInterrupt:
  62         proc.kill()
  63
  64     return results