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8
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1 PATH = 0
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2 VALUE = 1
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3 MINIMUM = 2
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4 MAXIMUM = 3
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5
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6
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7 class MockSettingsItem(object):
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8 def __init__(self, parent, path):
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9 self._parent = parent
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10 self.path = path
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11
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12 def get_value(self):
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13 setting = 'addSetting'+self.path
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14 if setting in self._parent._settings:
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15 return self._parent[setting]
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16 return None
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17
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18 def set_value(self, value):
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19 self._parent['addSetting'+self.path] = value
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20
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21 @property
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22 def exists(self):
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23 return 'addSetting'+self.path in self._parent._settings
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24
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25 # Simulates the SettingsSevice object without using the D-Bus (intended for unit tests). Values passed to
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26 # __setitem__ (or the [] operator) will be stored in memory for later retrieval by __getitem__.
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27 class MockSettingsDevice(object):
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28 def __init__(self, supported_settings, event_callback, name='com.victronenergy.settings', timeout=0):
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29 self._dbus_name = name
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30 self._settings = supported_settings
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31 self._event_callback = event_callback
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32
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33 def addSetting(self, path, value, _min, _max, silent=False, callback=None):
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34 # Persist in our settings stash so the settings is available through
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35 # the mock item
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36 self._settings['addSetting'+path] = [path, value, _min, _max, silent]
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37 return MockSettingsItem(self, path)
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38
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39 def get_short_name(self, path):
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40 for k,v in self._settings.items():
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41 if v[PATH] == path:
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42 return k
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43 return None
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44
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45 def __getitem__(self, setting):
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46 return self._settings[setting][VALUE]
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47
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48 def __setitem__(self, setting, new_value):
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49 s = self._settings.get(setting, None)
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50 if s is None:
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51 raise Exception('setting not found')
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52 old_value = s[VALUE]
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53 if old_value == new_value:
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54 return
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55 s[VALUE] = new_value
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56 if self._event_callback is not None:
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57 self._event_callback(setting, old_value, new_value)
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