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| 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 """Finds browsers that can be controlled by telemetry.""" | |
| 5 | |
| 6 import logging | |
| 7 | |
| 8 from telemetry.core.chrome import android_browser_finder | |
| 9 from telemetry.core.chrome import cros_browser_finder | |
| 10 from telemetry.core.chrome import desktop_browser_finder | |
| 11 | |
| 12 ALL_BROWSER_TYPES = ( | |
| 13 desktop_browser_finder.ALL_BROWSER_TYPES + ',' + | |
| 14 android_browser_finder.ALL_BROWSER_TYPES + ',' + | |
| 15 cros_browser_finder.ALL_BROWSER_TYPES) | |
| 16 | |
| 17 class BrowserTypeRequiredException(Exception): | |
| 18 pass | |
| 19 | |
| 20 def FindBrowser(options): | |
| 21 """Finds the best PossibleBrowser object to run given the provided | |
| 22 BrowserOptions object. The returned possiblity object can then be used to | |
| 23 connect to and control the located browser. | |
| 24 """ | |
| 25 if options.browser_type == 'exact' and options.browser_executable == None: | |
| 26 raise Exception('--browser=exact requires --browser-executable to be set.') | |
| 27 if options.browser_type != 'exact' and options.browser_executable != None: | |
| 28 raise Exception('--browser-executable requires --browser=exact.') | |
| 29 | |
| 30 if options.browser_type == 'cros-chrome' and options.cros_remote == None: | |
| 31 raise Exception('browser_type=cros-chrome requires cros_remote be set.') | |
| 32 if options.browser_type != 'cros-chrome' and options.cros_remote != None: | |
| 33 raise Exception('cros_remote requires browser_type=cros-chrome.') | |
| 34 | |
| 35 if options.browser_type == None: | |
| 36 raise BrowserTypeRequiredException('browser_type must be specified') | |
| 37 | |
| 38 browsers = [] | |
| 39 browsers.extend(desktop_browser_finder.FindAllAvailableBrowsers(options)) | |
| 40 browsers.extend(android_browser_finder.FindAllAvailableBrowsers(options)) | |
| 41 browsers.extend(cros_browser_finder.FindAllAvailableBrowsers(options)) | |
| 42 | |
| 43 if options.browser_type == 'any': | |
| 44 types = ALL_BROWSER_TYPES.split(',') | |
| 45 def compare_browsers_on_type_priority(x, y): | |
| 46 x_idx = types.index(x.browser_type) | |
| 47 y_idx = types.index(y.browser_type) | |
| 48 return x_idx - y_idx | |
| 49 browsers.sort(compare_browsers_on_type_priority) | |
| 50 if len(browsers) >= 1: | |
| 51 return browsers[0] | |
| 52 else: | |
| 53 return None | |
| 54 | |
| 55 matching_browsers = [b for b in browsers | |
| 56 if b.browser_type == options.browser_type and b.SupportsOptions(options)] | |
| 57 | |
| 58 if len(matching_browsers) == 1: | |
| 59 return matching_browsers[0] | |
| 60 elif len(matching_browsers) > 1: | |
| 61 logging.warning('Multiple browsers of the same type found: %s' % ( | |
| 62 repr(matching_browsers))) | |
| 63 return matching_browsers[0] | |
| 64 else: | |
| 65 return None | |
| 66 | |
| 67 def GetAllAvailableBrowserTypes(options): | |
| 68 """Returns an array of browser types supported on this system.""" | |
| 69 browsers = [] | |
| 70 browsers.extend(desktop_browser_finder.FindAllAvailableBrowsers(options)) | |
| 71 browsers.extend(android_browser_finder.FindAllAvailableBrowsers(options)) | |
| 72 browsers.extend(cros_browser_finder.FindAllAvailableBrowsers(options)) | |
| 73 | |
| 74 type_list = set([browser.browser_type for browser in browsers]) | |
| 75 type_list = list(type_list) | |
| 76 type_list.sort() | |
| 77 return type_list | |
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