gecko/build/pgo/profileserver.py

#!/usr/bin/python
#
# 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/.

from mozprofile import FirefoxProfile, Profile, Preferences
from mozprofile.permissions import ServerLocations
from mozrunner import FirefoxRunner, CLI
from mozhttpd import MozHttpd
import json
import socket
import threading
import os
import sys
import shutil
import tempfile
from datetime import datetime
from mozbuild.base import MozbuildObject

PORT = 8888

if __name__ == '__main__':
  cli = CLI()
  debug_args, interactive = cli.debugger_arguments()

  build = MozbuildObject.from_environment()
  httpd = MozHttpd(port=PORT,
                   docroot=os.path.join(build.topsrcdir, "build", "pgo"))
  httpd.start(block=False)

  locations = ServerLocations()
  locations.add_host(host='127.0.0.1',
                     port=PORT,
                     options='primary,privileged')

  #TODO: mozfile.TemporaryDirectory
  profilePath = tempfile.mkdtemp()
  try:
    #TODO: refactor this into mozprofile
    prefpath = os.path.join(build.topsrcdir, "testing", "profiles", "prefs_general.js")
    prefs = {}
    prefs.update(Preferences.read_prefs(prefpath))
    interpolation = { "server": "%s:%d" % httpd.httpd.server_address,
                      "OOP": "false"}
    prefs = json.loads(json.dumps(prefs) % interpolation)
    for pref in prefs:
      prefs[pref] = Preferences.cast(prefs[pref])
    profile = FirefoxProfile(profile=profilePath,
                             preferences=prefs,
                             addons=[os.path.join(build.distdir, 'xpi-stage', 'quitter')],
                             locations=locations)

    env = os.environ.copy()
    env["MOZ_CRASHREPORTER_NO_REPORT"] = "1"
    env["XPCOM_DEBUG_BREAK"] = "warn"
    jarlog = os.getenv("JARLOG_FILE")
    if jarlog:
      env["MOZ_JAR_LOG_FILE"] = os.path.abspath(jarlog)
      print "jarlog: %s" % env["MOZ_JAR_LOG_FILE"]

    cmdargs = ["http://localhost:%d/index.html" % PORT]
    runner = FirefoxRunner(profile=profile,
                           binary=build.get_binary_path(where="staged-package"),
                           cmdargs=cmdargs,
                           env=env)
    runner.start(debug_args=debug_args, interactive=interactive)
    status = runner.wait()
    httpd.stop()
    if status != 0:
        status = 1      # normalize status, in case it's larger than 127

    # Note:  the |finally| block below will always run.
    # http://docs.python.org/2/library/sys.html#sys.exit says that sys.exit "is
    # implemented by raising the SystemExit exception, so cleanup actions
    # specified by finally clauses of try statements are honored".
    sys.exit(status)
  finally:
    shutil.rmtree(profilePath)