blob: 21c5e5fb1c0d9a8a14fd7f6c15f2bd90474c0cf0 [file] [log] [blame]
#!/usr/bin/python
#
# Copyright 2012 Software Freedom Conservancy
#
# 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 subprocess
import time
from selenium.common.exceptions import WebDriverException
from selenium.webdriver.common import utils
class Service(object):
"""
Object that manages the starting and stopping of PhantomJS / Ghostdriver
"""
def __init__(self, executable_path, port=0, service_args=None):
"""
Creates a new instance of the Service
:Args:
- executable_path : Path to PhantomJS binary
- port : Port the service is running on
- service_args : A List of other command line options to pass to PhantomJS
"""
self.port = port
self.path = executable_path
self.service_args= service_args
if self.port == 0:
self.port = utils.free_port()
if self.service_args is None:
self.service_args = []
self.service_args.insert(0, self.path)
self.service_args.append("--webdriver=%d" % self.port)
self._log = open("ghostdriver.log", 'w')
def start(self):
"""
Starts PhantomJS with GhostDriver.
:Exceptions:
- WebDriverException : Raised either when it can't start the service
or when it can't connect to the service
"""
try:
self.process = subprocess.Popen(self.service_args,
stdout=self._log, stderr=self._log)
except Exception, e:
raise WebDriverException("Unable to start phantomjs with ghostdriver.", e)
count = 0
while not utils.is_connectable(self.port):
count += 1
time.sleep(1)
if count == 30:
raise WebDriverException("Can not connect to GhostDriver")
@property
def service_url(self):
"""
Gets the url of the GhostDriver Service
"""
return "http://localhost:%d/wd/hub" % self.port
def stop(self):
"""
Cleans up the process
"""
if self._log:
self._log.close()
self._log = None
#If its dead dont worry
if self.process is None:
return
#Tell the Server to properly die in case
try:
if self.process:
self.process.kill()
self.process.wait()
except WindowsError:
# kill may not be available under windows environment
pass