Updated Effect schema with enabled flag (#1798)

* Adds enabled flag to Effect

- Updated Effect schema to version 2 and core version to 0.18.0
- Updated unit tests to account for enabled flag

* Fixed blank lines linting errors

* Reverted version bump for schema and core

---------

Signed-off-by: Florian Schleich <fschleich@netflix.com>

Author: fschleich

docs/tutorials/otio-serialized-schema-only-fields.md

@@ -144,6 +144,7 @@ parameters:
 
 parameters:
 - *effect_name*
+- *enabled*
 - *metadata*
 - *name*
 
@@ -160,6 +161,7 @@ parameters:
 
 parameters:
 - *effect_name*
+- *enabled*
 - *metadata*
 - *name*
 - *time_scalar*
@@ -204,6 +206,7 @@ parameters:
 
 parameters:
 - *effect_name*
+- *enabled*
 - *metadata*
 - *name*
 - *time_scalar*
@@ -245,6 +248,7 @@ parameters:
 
 parameters:
 - *effect_name*
+- *enabled*
 - *metadata*
 - *name*
 

docs/tutorials/otio-serialized-schema.md

@@ -310,6 +310,7 @@ None
 
 parameters:
 - *effect_name*: 
+- *enabled*: If true, the Effect is applied. If false, the Effect is omitted.
 - *metadata*: 
 - *name*: 
 
@@ -342,6 +343,7 @@ Hold the first frame of the clip for the duration of the clip.
 
 parameters:
 - *effect_name*: 
+- *enabled*: If true, the Effect is applied. If false, the Effect is omitted.
 - *metadata*: 
 - *name*: 
 - *time_scalar*: Linear time scalar applied to clip. 2.0 means the clip occupies half the time in the parent item, i.e. plays at double speed,
@@ -500,6 +502,7 @@ A time warp that applies a linear speed up or slow down across the entire clip.
 
 parameters:
 - *effect_name*: 
+- *enabled*: If true, the Effect is applied. If false, the Effect is omitted.
 - *metadata*: 
 - *name*: 
 - *time_scalar*: Linear time scalar applied to clip. 2.0 means the clip occupies half the time in the parent item, i.e. plays at double speed,
@@ -607,6 +610,7 @@ Base class for all effects that alter the timing of an item.
 
 parameters:
 - *effect_name*: 
+- *enabled*: If true, the Effect is applied. If false, the Effect is omitted.
 - *metadata*: 
 - *name*: 
 

src/opentimelineio/effect.cpp

@@ -9,9 +9,11 @@ namespace opentimelineio { namespace OPENTIMELINEIO_VERSION {
 Effect::Effect(
     std::string const&   name,
     std::string const&   effect_name,
-    AnyDictionary const& metadata)
+    AnyDictionary const& metadata,
+    bool enabled)
     : Parent(name, metadata)
     , _effect_name(effect_name)
+    , _enabled(enabled)
 {}
 
 Effect::~Effect()
@@ -21,6 +23,7 @@ bool
 Effect::read_from(Reader& reader)
 {
     return reader.read("effect_name", &_effect_name)
+           && reader.read_if_present("enabled", &_enabled)
            && Parent::read_from(reader);
 }
 
@@ -29,6 +32,7 @@ Effect::write_to(Writer& writer) const
 {
     Parent::write_to(writer);
     writer.write("effect_name", _effect_name);
+    writer.write("enabled", _enabled);
 }
 
 }} // namespace opentimelineio::OPENTIMELINEIO_VERSION

src/opentimelineio/effect.h

@@ -22,7 +22,8 @@ class Effect : public SerializableObjectWithMetadata
     Effect(
         std::string const&   name        = std::string(),
         std::string const&   effect_name = std::string(),
-        AnyDictionary const& metadata    = AnyDictionary());
+        AnyDictionary const& metadata    = AnyDictionary(),
+        bool                 enabled     = true);
 
     std::string effect_name() const noexcept { return _effect_name; }
 
@@ -31,6 +32,10 @@ class Effect : public SerializableObjectWithMetadata
         _effect_name = effect_name;
     }
 
+    bool enabled() const { return _enabled; };
+
+    void set_enabled(bool enabled) { _enabled = enabled; }  
+
 protected:
     virtual ~Effect();
 
@@ -39,6 +44,7 @@ class Effect : public SerializableObjectWithMetadata
 
 private:
     std::string _effect_name;
+    bool        _enabled;
 };
 
 }} // namespace opentimelineio::OPENTIMELINEIO_VERSION

src/py-opentimelineio/opentimelineio-bindings/otio_serializableObjects.cpp

@@ -657,12 +657,15 @@ static void define_effects(py::module m) {
     py::class_<Effect, SOWithMetadata, managing_ptr<Effect>>(m, "Effect", py::dynamic_attr())
         .def(py::init([](std::string name,
                          std::string effect_name,
-                         py::object metadata) {
-                          return new Effect(name, effect_name, py_to_any_dictionary(metadata)); }),
+                         py::object metadata,
+                         py::bool_ enabled) {
+                          return new Effect(name, effect_name, py_to_any_dictionary(metadata), enabled); }),
              py::arg_v("name"_a = std::string()),
              "effect_name"_a = std::string(),
-             py::arg_v("metadata"_a = py::none()))
-        .def_property("effect_name", &Effect::effect_name, &Effect::set_effect_name);
+             py::arg_v("metadata"_a = py::none()),
+             "enabled"_a = true)
+        .def_property("effect_name", &Effect::effect_name, &Effect::set_effect_name)
+        .def_property("enabled", &Effect::enabled, &Effect::set_enabled, "If true, the Effect is applied. If false, the Effect is omitted.");
 
     py::class_<TimeEffect, Effect, managing_ptr<TimeEffect>>(m, "TimeEffect", py::dynamic_attr(), "Base class for all effects that alter the timing of an item.")
         .def(py::init([](std::string name,

src/py-opentimelineio/opentimelineio/schema/effect.py

@@ -11,11 +11,13 @@ def __str__(self):
         "Effect("
         "{}, "
         "{}, "
+        "{}, "
         "{}"
         ")".format(
             str(self.name),
             str(self.effect_name),
             str(self.metadata),
+            str(self.enabled)
         )
     )
 
@@ -26,10 +28,12 @@ def __repr__(self):
         "otio.schema.Effect("
         "name={}, "
         "effect_name={}, "
-        "metadata={}"
+        "metadata={}, "
+        "enabled={}"
         ")".format(
             repr(self.name),
             repr(self.effect_name),
             repr(self.metadata),
+            repr(self.enabled)
         )
     )

tests/baselines/empty_effect.json

@@ -0,0 +1,7 @@
+{
+    "OTIO_SCHEMA" : "Effect.1",
+    "name" : "",
+    "effect_name" : "",
+    "metadata" : {},
+    "enabled" : true
+}

tests/test_effect.py

@@ -13,14 +13,19 @@ def test_cons(self):
         ef = otio.schema.Effect(
             name="blur it",
             effect_name="blur",
-            metadata={"foo": "bar"}
+            metadata={"foo": "bar"},
+            enabled=False
         )
+
+        self.assertEqual(ef.enabled, False)
+
         encoded = otio.adapters.otio_json.write_to_string(ef)
         decoded = otio.adapters.otio_json.read_from_string(encoded)
         self.assertIsOTIOEquivalentTo(ef, decoded)
         self.assertEqual(decoded.name, "blur it")
         self.assertEqual(decoded.effect_name, "blur")
         self.assertEqual(decoded.metadata['foo'], 'bar')
+        self.assertEqual(decoded.enabled, False)
 
     def test_eq(self):
         ef = otio.schema.Effect(
@@ -39,26 +44,30 @@ def test_str(self):
         ef = otio.schema.Effect(
             name="blur it",
             effect_name="blur",
-            metadata={"foo": "bar"}
+            metadata={"foo": "bar"},
+            enabled=False
         )
         self.assertMultiLineEqual(
             str(ef),
-            "Effect({}, {}, {})".format(
+            "Effect({}, {}, {}, {})".format(
                 str(ef.name),
                 str(ef.effect_name),
-                str(ef.metadata)
+                str(ef.metadata),
+                str(ef.enabled)
             )
         )
         self.assertMultiLineEqual(
             repr(ef),
             "otio.schema.Effect("
             "name={}, "
             "effect_name={}, "
-            "metadata={}"
+            "metadata={}, "
+            "enabled={}"
             ")".format(
                 repr(ef.name),
                 repr(ef.effect_name),
                 repr(ef.metadata),
+                repr(ef.enabled)
             )
         )
 
@@ -71,6 +80,7 @@ def test_setters(self):
         self.assertEqual(ef.effect_name, "blur")
         ef.effect_name = "flop"
         self.assertEqual(ef.effect_name, "flop")
+        self.assertEqual(ef.enabled, True)
 
 
 class TestLinearTimeWarp(unittest.TestCase, otio_test_utils.OTIOAssertions):
@@ -80,6 +90,7 @@ def test_cons(self):
         self.assertEqual(ef.name, "Foo")
         self.assertEqual(ef.time_scalar, 2.5)
         self.assertEqual(ef.metadata, {"foo": "bar"})
+        self.assertEqual(ef.enabled, True)
 
     def test_serialize(self):
         ef = otio.schema.LinearTimeWarp("Foo", 2.5, {'foo': 'bar'})
@@ -101,6 +112,7 @@ def test_cons(self):
         self.assertEqual(ef.name, "Foo")
         self.assertEqual(ef.time_scalar, 0)
         self.assertEqual(ef.metadata, {"foo": "bar"})
+        self.assertEqual(ef.enabled, True)
 
 
 if __name__ == '__main__':

tests/test_json_backend.py

@@ -104,6 +104,10 @@ def test_marker(self):
         mr = otio.schema.Marker()
         self.check_against_baseline(mr, "empty_marker")
 
+    def test_effect(self):
+        mr = otio.schema.Effect()
+        self.check_against_baseline(mr, "empty_effect")
+
     def test_transition(self):
         trx = otio.schema.Transition()
         self.check_against_baseline(trx, "empty_transition")