source: patches/library/selenium/webdriver/chrome/service.py@ 682:08e73d58a9e4

cef
Last change on this file since 682:08e73d58a9e4 was 682:08e73d58a9e4, checked in by István Váradi <ivaradi@…>, 7 years ago

CEF is now started from Selenium

File size: 3.9 KB
Line 
1#!/usr/bin/python
2#
3# Copyright 2011 Webdriver_name committers
4# Copyright 2011 Google Inc.
5#
6# Licensed under the Apache License, Version 2.0 (the "License");
7# you may not use this file except in compliance with the License.
8# You may obtain a copy of the License at
9#
10# http://www.apache.org/licenses/LICENSE-2.0
11#
12# Unless required by applicable law or agreed to in writing, software
13# distributed under the License is distributed on an "AS IS" BASIS,
14# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15# See the License for the specific language governing permissions and
16# limitations under the License.
17import os
18import subprocess
19from subprocess import PIPE
20import time
21
22from selenium.common.exceptions import WebDriverException
23from selenium.webdriver.common import utils
24
25class Service(object):
26 """
27 Object that manages the starting and stopping of the ChromeDriver
28 """
29
30 def __init__(self, executable_path, port=0, service_args=None,
31 log_path=None, env=None):
32 """
33 Creates a new instance of the Service
34
35 :Args:
36 - executable_path : Path to the ChromeDriver
37 - port : Port the service is running on
38 - service_args : List of args to pass to the chromedriver service
39 - log_path : Path for the chromedriver service to log to"""
40
41 self.port = port
42 self.path = executable_path
43 self.service_args = service_args or []
44 if log_path:
45 self.service_args.append('--log-path=%s' % log_path)
46 if self.port == 0:
47 self.port = utils.free_port()
48 self.env = env
49
50 def start(self):
51 """
52 Starts the ChromeDriver Service.
53
54 :Exceptions:
55 - WebDriverException : Raised either when it can't start the service
56 or when it can't connect to the service
57 """
58 env = self.env or os.environ
59 try:
60 startupInfo = subprocess.STARTUPINFO()
61 startupInfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
62 self.process = subprocess.Popen([
63 self.path,
64 "--port=%d" % self.port] +
65 self.service_args, env=env, stdout=PIPE, stderr=PIPE,
66 startupinfo = startupInfo)
67 except:
68 raise WebDriverException(
69 "'" + os.path.basename(self.path) + "' executable needs to be \
70 available in the path. Please look at \
71 http://docs.seleniumhq.org/download/#thirdPartyDrivers \
72 and read up at \
73 http://code.google.com/p/selenium/wiki/ChromeDriver")
74 count = 0
75 while not utils.is_connectable(self.port):
76 count += 1
77 time.sleep(1)
78 if count == 30:
79 raise WebDriverException("Can not connect to the '" +
80 os.path.basename(self.path) + "'")
81
82 @property
83 def service_url(self):
84 """
85 Gets the url of the ChromeDriver Service
86 """
87 return "http://localhost:%d" % self.port
88
89 def stop(self):
90 """
91 Tells the ChromeDriver to stop and cleans up the process
92 """
93 #If its dead dont worry
94 if self.process is None:
95 return
96
97 #Tell the Server to die!
98 try:
99 from urllib import request as url_request
100 except ImportError:
101 import urllib2 as url_request
102
103 url_request.urlopen("http://127.0.0.1:%d/shutdown" % self.port)
104 count = 0
105 while utils.is_connectable(self.port):
106 if count == 30:
107 break
108 count += 1
109 time.sleep(1)
110
111 #Tell the Server to properly die in case
112 try:
113 if self.process:
114 self.process.kill()
115 self.process.wait()
116 except OSError:
117 # kill may not be available under windows environment
118 pass
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