Merge 3ed2b06 into 1acd752

androidtv/basetv.py

@@ -1172,6 +1172,53 @@ def volume_down(self, current_volume_level=None):
         # return the new volume level
         return max(current_volume - 1, 0.) / self.max_volume
 
+    # ======================================================================= #
+    #                                                                         #
+    #                          Miscellaneous methods                          #
+    #                                                                         #
+    # ======================================================================= #
+    def get_sendevent(self, timeout_s=8):
+        """Capture an event (e.g., a button press) via ``getevent`` and convert it into ``sendevent`` commands.
+
+        For more info, see:
+
+        * http://ktnr74.blogspot.com/2013/06/emulating-touchscreen-interaction-with.html?m=1
+        * https://qatesttech.wordpress.com/2012/06/21/turning-the-output-from-getevent-into-something-something-that-can-be-used/
+
+        Parameters
+        ----------
+        timeout_s : int
+            The timeout in seconds to wait for events
+
+        Returns
+        -------
+        str
+            The events converted to ``sendevent`` commands
+
+        """
+        getevent = self.adb_shell("( getevent ) & pid=$!; ( sleep {} && kill -HUP $pid ) 2>/dev/null & watcher=$!; if wait $pid 2>/dev/null; then echo 'your command finished'; kill -HUP -P $watcher; wait $watcher; else echo 'your command was interrupted'; fi".format(timeout_s))
+
+        return " && ".join([self._parse_getevent_line(line) for line in getevent.splitlines() if line.startswith("/") and ":" in line])
+
+    @staticmethod
+    def _parse_getevent_line(line):
+        """Parse a line of the output received in ``get_sendevent``.
+
+        Parameters
+        ----------
+        line : str
+            A line of output from ``get_sendevent``
+
+        Returns
+        -------
+        str
+            The properly formatted ``sendevent`` command
+
+        """
+        device_name, event_info = line.split(":", 1)
+        integers = [int(x, 16) for x in event_info.strip().split()[:3]]
+        return "sendevent {} {} {} {}".format(device_name, *integers)
+
 
 # ======================================================================= #
 #                                                                         #

tests/test_basetv.py

@@ -447,6 +447,13 @@ def test_wake_lock_size(self):
         with patchers.patch_shell('INVALID')[self.PATCH_KEY]:
             self.assertIsNone(self.btv.wake_lock_size())
 
+    def test_get_sendevent(self):
+        """Check that the ``get_sendevent`` method works correctly.
+
+        """
+        with patchers.patch_shell("add device 1: /dev/input/event4\r\n  name:     \"Amazon Fire TV Remote\"\r\nadd device 2: /dev/input/event3\r\n  name:     \"kcmouse\"\r\ncould not get driver version for /dev/input/mouse0, Not a typewriter\r\nadd device 3: /dev/input/event2\r\n  name:     \"amazon_touch\"\r\nadd device 4: /dev/input/event1\r\n  name:     \"hdmipower\"\r\nadd device 5: /dev/input/event0\r\n  name:     \"mtk-kpd\"\r\ncould not get driver version for /dev/input/mice, Not a typewriter\r\n/dev/input/event4: 0004 0004 00070051\r\n/dev/input/event4: 0001 006c 00000001\r\n/dev/input/event4: 0000 0000 00000000\r\n/dev/input/event4: 0004 0004 00070051\r\n/dev/input/event4: 0001 006c 00000000\r\n/dev/input/event4: 0000 0000 00000000\r\nyour command was interrupted")[self.PATCH_KEY]:
+            self.assertEqual(self.btv.get_sendevent(), "sendevent /dev/input/event4 4 4 458833 && sendevent /dev/input/event4 1 108 1 && sendevent /dev/input/event4 0 0 0 && sendevent /dev/input/event4 4 4 458833 && sendevent /dev/input/event4 1 108 0 && sendevent /dev/input/event4 0 0 0")
+
 
 class TestHAStateDetectionRulesValidator(unittest.TestCase):
     def test_ha_state_detection_rules_validator(self):