ironpython.py

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#  Copyright 2008-2015 Nokia Networks
#  Copyright 2016-     Robot Framework Foundation
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
 
import sys
import threading
 
from System.Threading import Thread, ThreadStart
 
 
class Timeout():
 
    def __init__(self, timeout, error):
        self._timeout_timeout = timeout
        self._error_error = error
 
    def execute(self, runnable):
        runner = Runner(runnable)
        thread = Thread(ThreadStart(runner))
        thread.IsBackground = True
        thread.Start()
        if not thread.Join(self._timeout_timeout * 1000):
            thread.Abort()
            raise self._error_error
        return runner.get_result()
 
 
class Runner():
 
    def __init__(self, runnable):
        self._runnable_runnable = runnable
        self._result_result = None
        self._error_error = None
 
    def __call__(self):
        threading.currentThread().setName('RobotFrameworkTimeoutThread')
        try:
            self._result_result = self._runnable_runnable()
        except:
            self._error_error = sys.exc_info()
 
    def get_result(self):
        if not self._error_error:
            return self._result_result
        # `exec` used to avoid errors with easy_install on Python 3:
        # https://github.com/robotframework/robotframework/issues/2785
        exec('raise self._error[0], self._error[1], self._error[2]')