[PATCH evemu 7/7] python: add InputEvent.matches(type, code) for comparisons

[Peter Hutterer]

Benjamin,

can you remember the reason his one didn't get merged? It's the most useful
one of the series, the one I use the most whenever I need to analyse event
sequences.

Cheers,
   Peter

On Fri, Aug 29, 2014 at 09:44:09AM +1000, Peter Hutterer wrote:
> Allows for:
> 	if e.matches("EV_REL", "REL_X"):
> 	   print("Relative X events")
> 
> but it'll happily take integers as well.
> 
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
> ---
>  python/evemu/__init__.py          |  9 +++++++++
>  python/evemu/tests/test_device.py | 40 +++++++++++++++++++++++++++++++++++++++
>  2 files changed, 49 insertions(+)
> 
> diff --git a/python/evemu/__init__.py b/python/evemu/__init__.py
> index 65e4673..7af5032 100644
> --- a/python/evemu/__init__.py
> +++ b/python/evemu/__init__.py
> @@ -133,6 +133,15 @@ class InputEvent(object):
>          self.code = code
>          self.value = value
>  
> +    def matches(self, type, code = None):
> +        if event_get_value(type) != self.type:
> +            return False
> +
> +        if code != None and event_get_value(self.type, code) != self.code:
> +            return False
> +
> +        return True
> +
>      def __str__(self):
>          f = tempfile.TemporaryFile()
>          libc = evemu.base.LibC()
> diff --git a/python/evemu/tests/test_device.py b/python/evemu/tests/test_device.py
> index f2d14db..10bd290 100644
> --- a/python/evemu/tests/test_device.py
> +++ b/python/evemu/tests/test_device.py
> @@ -278,5 +278,45 @@ class DevicePropertiesTestCase(evemu.testing.testcase.BaseTestCase):
>          self.assertEqual(evemu.input_prop_get_name("foo"), None)
>          self.assertEqual(evemu.input_prop_get_name(None), None)
>  
> +    def test_event_matching(self):
> +        e = evemu.InputEvent(0, 0, 0x01, 44, 0)
> +        self.assertTrue(e.matches("EV_KEY"))
> +        self.assertTrue(e.matches("EV_KEY", "KEY_Z"))
> +        self.assertTrue(e.matches(0x01))
> +        self.assertTrue(e.matches(0x01, 44))
> +        self.assertTrue(e.matches("EV_KEY", 44))
> +        self.assertTrue(e.matches(0x01, "KEY_Z"))
> +
> +        for t in range(-1, 0xff):
> +            for c in range(-1, 0xff):
> +                if t != e.type or c != e.code:
> +                    self.assertFalse(e.matches(t, c))
> +
> +        e = evemu.InputEvent(0, 0, 0x02, 0x01, 0)
> +        self.assertTrue(e.matches("EV_REL"))
> +        self.assertTrue(e.matches("EV_REL", "REL_Y"))
> +        self.assertTrue(e.matches(0x02))
> +        self.assertTrue(e.matches(0x02, 0x01))
> +        self.assertTrue(e.matches("EV_REL", 0x01))
> +        self.assertTrue(e.matches(0x02, "REL_Y"))
> +
> +        for t in range(-1, 0xff):
> +            for c in range(-1, 0xff):
> +                if t != e.type or c != e.code:
> +                    self.assertFalse(e.matches(t, c))
> +
> +        e = evemu.InputEvent(0, 0, 0x03, 0x00, 0)
> +        self.assertTrue(e.matches("EV_ABS"))
> +        self.assertTrue(e.matches("EV_ABS", "ABS_X"))
> +        self.assertTrue(e.matches(0x03))
> +        self.assertTrue(e.matches(0x03, 0x00))
> +        self.assertTrue(e.matches("EV_ABS", 0x00))
> +        self.assertTrue(e.matches(0x03, "ABS_X"))
> +
> +        for t in range(-1, 0xff):
> +            for c in range(-1, 0xff):
> +                if t != e.type or c != e.code:
> +                    self.assertFalse(e.matches(t, c))
> +
>  if __name__ == "__main__":
>      unittest.main()
> -- 
> 1.9.3
>