1 #!/usr/bin/env python 2 # 3 # Copyright (C) 2009 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 import sys 18 19 # Put the modifications that you need to make into the /system/build.prop into this 20 # function. The prop object has get(name) and put(name,value) methods. 21 def mangle_build_prop(prop): 22 pass 23 24 25 # Put the modifications that you need to make into the /system/build.prop into this 26 # function. The prop object has get(name) and put(name,value) methods. 27 def mangle_default_prop(prop): 28 # If ro.debuggable is 1, then enable adb on USB by default 29 # (this is for userdebug builds) 30 if prop.get("ro.debuggable") == "1": 31 val = prop.get("persist.sys.usb.config") 32 if val == "": 33 val = "adb" 34 else: 35 val = val + ",adb" 36 prop.put("persist.sys.usb.config", val) 37 38 39 class PropFile: 40 def __init__(self, lines): 41 self.lines = [s[:-1] for s in lines] 42 43 def get(self, name): 44 key = name + "=" 45 for line in self.lines: 46 if line.startswith(key): 47 return line[len(key):] 48 return "" 49 50 def put(self, name, value): 51 key = name + "=" 52 for i in range(0,len(self.lines)): 53 if self.lines[i].startswith(key): 54 self.lines[i] = key + value 55 return 56 self.lines.append(key + value) 57 58 def write(self, f): 59 f.write("\n".join(self.lines)) 60 f.write("\n") 61 62 def main(argv): 63 filename = argv[1] 64 f = open(filename) 65 lines = f.readlines() 66 f.close() 67 68 properties = PropFile(lines) 69 if filename.endswith("/build.prop"): 70 mangle_build_prop(properties) 71 elif filename.endswith("/default.prop"): 72 mangle_default_prop(properties) 73 else: 74 sys.stderr.write("bad command line: " + str(argv) + "\n") 75 sys.exit(1) 76 77 f = open(filename, 'w+') 78 properties.write(f) 79 f.close() 80 81 if __name__ == "__main__": 82 main(sys.argv) 83
