8ad4bb16a0
Tungsten is the first device we have done since post_process_props.py and UsbDeviceManager were added that by default has no services running on usb. Everything else has mtp. This makes it so we always populate the property with something. Change-Id: Ic24f52462ed8866e87499c715dd21937e5b1128d
85 lines
2.5 KiB
Python
Executable file
85 lines
2.5 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# Copyright (C) 2009 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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# Put the modifications that you need to make into the /system/build.prop into this
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# function. The prop object has get(name) and put(name,value) methods.
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def mangle_build_prop(prop):
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pass
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# Put the modifications that you need to make into the /system/build.prop into this
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# function. The prop object has get(name) and put(name,value) methods.
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def mangle_default_prop(prop):
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# If ro.debuggable is 1, then enable adb on USB by default
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# (this is for userdebug builds)
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if prop.get("ro.debuggable") == "1":
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val = prop.get("persist.sys.usb.config")
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if val == "":
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val = "adb"
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else:
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val = val + ",adb"
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prop.put("persist.sys.usb.config", val)
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# UsbDeviceManager expects a value here. If it doesn't get it, it will
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# default to "adb". That might not the right policy there, but it's better
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# to be explicit.
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if not prop.get("persist.sys.usb.config"):
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prop.put("persist.sys.usb.config", "none");
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class PropFile:
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def __init__(self, lines):
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self.lines = [s[:-1] for s in lines]
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def get(self, name):
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key = name + "="
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for line in self.lines:
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if line.startswith(key):
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return line[len(key):]
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return ""
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def put(self, name, value):
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key = name + "="
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for i in range(0,len(self.lines)):
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if self.lines[i].startswith(key):
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self.lines[i] = key + value
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return
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self.lines.append(key + value)
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def write(self, f):
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f.write("\n".join(self.lines))
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f.write("\n")
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def main(argv):
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filename = argv[1]
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f = open(filename)
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lines = f.readlines()
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f.close()
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properties = PropFile(lines)
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if filename.endswith("/build.prop"):
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mangle_build_prop(properties)
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elif filename.endswith("/default.prop"):
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mangle_default_prop(properties)
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else:
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sys.stderr.write("bad command line: " + str(argv) + "\n")
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sys.exit(1)
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f = open(filename, 'w+')
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properties.write(f)
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f.close()
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if __name__ == "__main__":
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main(sys.argv)
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