add eartly build

scripts/earthly/secretsd/secretsd/util.py

@@ -0,0 +1,55 @@
+import dbus
+import dbus.service
+
+from .exception import InvalidArgsException
+
+NullObject = dbus.ObjectPath("/")
+
+class BusObjectWithProperties():
+    PROPERTIES = {}
+
+    @dbus.service.method("org.freedesktop.DBus.Properties", "ss", "v",
+                         path_keyword="path")
+    def Get(self, interface, property, path=None):
+        if interface == self.INTERFACE:
+            if property in self.PROPERTIES:
+                getter, setter, value = self.PROPERTIES[property]
+                if getter:
+                    value = getter(self, path)
+                return value
+            else:
+                raise InvalidArgsException("No such property %r" % str(property))
+        else:
+            raise InvalidArgsException("No such interface %r" % str(interface))
+
+    @dbus.service.method("org.freedesktop.DBus.Properties", "s", "a{sv}",
+                         path_keyword="path")
+    def GetAll(self, interface, path=None):
+        if interface == self.INTERFACE:
+            out = {}
+            for name, (getter, setter, value) in self.PROPERTIES.items():
+                if getter:
+                    value = getter(self, path)
+                out[name] = value
+            return out
+        else:
+            raise InvalidArgsException("No such interface %r" % str(interface))
+
+    @dbus.service.method("org.freedesktop.DBus.Properties", "ssv", "",
+                         path_keyword="path")
+    def Set(self, interface, property, value, path=None):
+        if interface == self.INTERFACE:
+            if property in self.PROPERTIES:
+                getter, setter, _ = self.PROPERTIES[property]
+                if setter:
+                    setter(self, path, value)
+                else:
+                    raise InvalidArgsException("Property %r is read-only" % str(property))
+            else:
+                raise InvalidArgsException("No such property %r" % str(property))
+        else:
+            raise InvalidArgsException("No such interface %r" % str(interface))
+
+    @dbus.service.signal("org.freedesktop.DBus.Properties", "sa{sv}as")
+    def PropertiesChanged(self, interface, changed_props, invalidated_props):
+        pass