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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
import socket
from functools import wraps
def _find_marionette_in_args(*args, **kwargs):
try:
m = [a for a in args + tuple(kwargs.values()) if hasattr(a, "session")][0]
except IndexError:
print("Can only apply decorator to function using a marionette object")
raise
return m
def do_process_check(func):
"""Decorator which checks the process status after the function has run."""
@wraps(func)
def _(*args, **kwargs):
try:
return func(*args, **kwargs)
except (socket.error, socket.timeout):
m = _find_marionette_in_args(*args, **kwargs)
# In case of socket failures which will also include crashes of the
# application, make sure to handle those correctly. In case of an
# active shutdown just let it bubble up.
if m.is_shutting_down:
raise
m._handle_socket_failure()
return _
def uses_marionette(func):
"""Decorator which creates a marionette session and deletes it
afterwards if one doesn't already exist.
"""
@wraps(func)
def _(*args, **kwargs):
m = _find_marionette_in_args(*args, **kwargs)
delete_session = False
if not m.session:
delete_session = True
m.start_session()
m.set_context(m.CONTEXT_CHROME)
ret = func(*args, **kwargs)
if delete_session:
m.delete_session()
return ret
return _
def using_context(context):
"""Decorator which allows a function to execute in certain scope
using marionette.using_context functionality and returns to old
scope once the function exits.
:param context: Either 'chrome' or 'content'.
"""
def wrap(func):
@wraps(func)
def inner(*args, **kwargs):
m = _find_marionette_in_args(*args, **kwargs)
with m.using_context(context):
return func(*args, **kwargs)
return inner
return wrap