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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 os
import shutil
import tempfile
from pathlib import Path
from condprof.client import ProfileNotFoundError, get_profile
from condprof.util import get_current_platform
from mozprofile import create_profile
from mozprofile.prefs import Preferences
from mozperftest.layers import Layer
HERE = os.path.dirname(__file__)
class Profile(Layer):
name = "profile"
activated = True
arguments = {
"directory": {"type": str, "default": None, "help": "Profile to use"},
"user-js": {"type": str, "default": None, "help": "Custom user.js"},
"conditioned": {
"action": "store_true",
"default": False,
"help": "Use a conditioned profile.",
},
"conditioned-scenario": {
"type": str,
"default": "settled",
"help": "Conditioned scenario to use",
},
"conditioned-platform": {
"type": str,
"default": None,
"help": "Conditioned platform to use (use local by default)",
},
"conditioned-project": {
"type": str,
"default": "mozilla-central",
"help": "Conditioned project",
"choices": ["try", "mozilla-central"],
},
}
def __init__(self, env, mach_cmd):
super(Profile, self).__init__(env, mach_cmd)
self._created_dirs = []
def setup(self):
pass
def _cleanup(self):
pass
def _get_conditioned_profile(self):
platform = self.get_arg("conditioned-platform")
if platform is None:
platform = get_current_platform()
scenario = self.get_arg("conditioned-scenario")
project = self.get_arg("conditioned-project")
alternate_project = "mozilla-central" if project != "mozilla-central" else "try"
temp_dir = tempfile.mkdtemp()
try:
condprof = get_profile(temp_dir, platform, scenario, repo=project)
except ProfileNotFoundError:
condprof = get_profile(temp_dir, platform, scenario, repo=alternate_project)
except Exception:
raise
# now get the full directory path to our fetched conditioned profile
condprof = Path(temp_dir, condprof)
if not condprof.exists():
raise OSError(str(condprof))
return condprof
def run(self, metadata):
# using a conditioned profile
if self.get_arg("conditioned"):
profile_dir = self._get_conditioned_profile()
self.set_arg("profile-directory", str(profile_dir))
self._created_dirs.append(str(profile_dir))
return metadata
if self.get_arg("directory") is not None:
# no need to create one or load a conditioned one
return metadata
# fresh profile
profile = create_profile(app="firefox")
# mozprofile.Profile.__del__ silently deletes the profile
# it creates in a non-deterministic time (garbage collected) by
# calling cleanup. We override this silly behavior here.
profile.cleanup = self._cleanup
prefs = metadata.get_options("browser_prefs")
if prefs == {}:
prefs["mozperftest"] = "true"
# apply custom user prefs if any
user_js = self.get_arg("user-js")
if user_js is not None:
self.info("Applying use prefs from %s" % user_js)
default_prefs = dict(Preferences.read_prefs(user_js))
prefs.update(default_prefs)
profile.set_preferences(prefs)
self.info("Created profile at %s" % profile.profile)
self._created_dirs.append(profile.profile)
self.set_arg("profile-directory", profile.profile)
return metadata
def teardown(self):
for dir in self._created_dirs:
if os.path.exists(dir):
shutil.rmtree(dir)
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