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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
class ContentSettings(dict):
"""A dict interface to interact with device content settings.
System properties are key/value pairs as exposed by adb shell content.
"""
def __init__(self, table, device):
super(ContentSettings, self).__init__()
self._table = table
self._device = device
@staticmethod
def _GetTypeBinding(value):
if isinstance(value, bool):
return 'b'
if isinstance(value, float):
return 'f'
if isinstance(value, int):
return 'i'
if isinstance(value, long):
return 'l'
if isinstance(value, str):
return 's'
raise ValueError('Unsupported type %s' % type(value))
def iteritems(self):
# Example row:
# 'Row: 0 _id=13, name=logging_id2, value=-1fccbaa546705b05'
for row in self._device.RunShellCommand(
'content query --uri content://%s' % self._table, as_root=True):
fields = row.split(', ')
key = None
value = None
for field in fields:
k, _, v = field.partition('=')
if k == 'name':
key = v
elif k == 'value':
value = v
if not key:
continue
if not value:
value = ''
yield key, value
def __getitem__(self, key):
return self._device.RunShellCommand(
'content query --uri content://%s --where "name=\'%s\'" '
'--projection value' % (self._table, key), as_root=True).strip()
def __setitem__(self, key, value):
if key in self:
self._device.RunShellCommand(
'content update --uri content://%s '
'--bind value:%s:%s --where "name=\'%s\'"' % (
self._table,
self._GetTypeBinding(value), value, key),
as_root=True)
else:
self._device.RunShellCommand(
'content insert --uri content://%s '
'--bind name:%s:%s --bind value:%s:%s' % (
self._table,
self._GetTypeBinding(key), key,
self._GetTypeBinding(value), value),
as_root=True)
def __delitem__(self, key):
self._device.RunShellCommand(
'content delete --uri content://%s '
'--bind name:%s:%s' % (
self._table,
self._GetTypeBinding(key), key),
as_root=True)
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