1 #!/usr/bin/env python3.4 2 # 3 # Copyright 2017 - The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 17 from acts.libs.ota.ota_tools.adb_sideload_ota_tool import AdbSideloadOtaTool 18 from acts.libs.ota.ota_tools.update_device_ota_tool import UpdateDeviceOtaTool 19 20 _CONSTRUCTORS = { 21 AdbSideloadOtaTool.__name__: lambda command: AdbSideloadOtaTool(command), 22 UpdateDeviceOtaTool.__name__: lambda command: UpdateDeviceOtaTool(command), 23 } 24 _constructed_tools = {} 25 26 27 def create(ota_tool_class, command): 28 """Returns an OtaTool with the given class name. 29 30 If the tool has already been created, the existing instance will be 31 returned. 32 33 Args: 34 ota_tool_class: the class/type of the tool you wish to use. 35 command: the command line tool being used. 36 37 Returns: 38 An OtaTool. 39 """ 40 if ota_tool_class in _constructed_tools: 41 return _constructed_tools[ota_tool_class] 42 43 if ota_tool_class not in _CONSTRUCTORS: 44 raise KeyError('Given Ota Tool class name does not match a known ' 45 'name. Found "%s". Expected any of %s. If this tool ' 46 'does exist, add it to the _CONSTRUCTORS dict in this ' 47 'module.' % (ota_tool_class, _CONSTRUCTORS.keys())) 48 49 new_update_tool = _CONSTRUCTORS[ota_tool_class](command) 50 _constructed_tools[ota_tool_class] = new_update_tool 51 52 return new_update_tool 53
