ASC SOP and SAT support in Edit type

pycmx/edit.py

@@ -1,6 +1,7 @@
 # pycmx
 # (c) 2018 Jamie Hardt
 
+from pycmx.statements import StmtCdlSat, StmtCdlSop
 from .transition import Transition
 from .channel_map import ChannelMap
 # from .parse_cmx_statements import StmtEffectsName
@@ -16,12 +17,17 @@ class Edit:
 
     def __init__(self, edit_statement, audio_ext_statement,
                  clip_name_statement, source_file_statement,
-                 trans_name_statement=None):
+                 trans_name_statement=None, asc_sop_statement=None,
+                 asc_sat_statement=None, frmc_statement=None):
+
         self.edit_statement = edit_statement
         self.audio_ext = audio_ext_statement
         self.clip_name_statement = clip_name_statement
         self.source_file_statement = source_file_statement
         self.trans_name_statement = trans_name_statement
+        self.asc_sop_statement: Optional[StmtCdlSop] = asc_sop_statement
+        self.asc_sat_statement: Optional[StmtCdlSat] = asc_sat_statement
+        self.frmc_statement = frmc_statement
 
     @property
     def line_number(self) -> int:
@@ -131,3 +137,17 @@ class Edit:
             return None
         else:
             return self.clip_name_statement.name
+
+    @property 
+    def asc_sop(self) -> Optional[StmtCdlSop]:
+        """
+        Get ASC CDL Slope-Offset-Power transfer function for clip, if present
+        """
+        return self.asc_sop_statement
+
+    @property 
+    def asc_sat(self) -> Optional[StmtCdlSat]:
+        """
+        Get ASC CDL saturation value for clip, if present
+        """
+        return self.asc_sat_statement

pycmx/event.py

@@ -75,7 +75,9 @@ class Event:
                      audio_ext_statement=e1[1],
                      clip_name_statement=n1,
                      source_file_statement=s1,
-                     trans_name_statement=u1)
+                     trans_name_statement=u1, 
+                     asc_sop_statement=self._asc_sop_statement(), 
+                     asc_sat_statement=self._asc_sat_statement())
                 for (e1, n1, s1, u1) in zip(*the_zip)]
 
     @property
@@ -108,5 +110,10 @@ class Event:
             elif type(s1) is StmtEvent:
                 yield (s1, None)
 
-    def _asc_sop_statements(self) -> list[StmtCdlSop]:
-        return [s for s in self.statements if type(s) == StmtCdlSop]
+    def _asc_sop_statement(self) -> Optional[StmtCdlSop]:
+        return next((s for s in self.statements if type(s) == StmtCdlSop),
+                    None)
+
+    def _asc_sat_statement(self) -> Optional[StmtCdlSat]:
+        return next((s for s in self.statements if type(s) == StmtCdlSat),
+                    None)

pycmx/parse_cmx_statements.py

@@ -106,9 +106,11 @@ def _parse_remark(line, line_number) -> object:
     elif line.startswith("ASC_SOP"):
         group_patterns: list[str] = re.findall(r'\((.*?)\)', line)
 
-        v: list[list[str]] = [re.findall(r'-?\d+(\.\d+)?', a) for
+        v1: list[list[tuple[str, str]]] = [re.findall(r'(-?\d+(\.\d+)?)', a) for
                                           a in group_patterns]
 
+        v: list[list[str]] = [[a[0] for a in b] for b in v1]
+
         if len(v) != 3 or any([len(a) != 3 for a in v]):
             return StmtRemark(line, line_number)
 
@@ -120,13 +122,13 @@ def _parse_remark(line, line_number) -> object:
                               power_b=v[2][2], line_number=line_number)
 
     elif line.startswith("ASC_SAT"):
-        value = re.findall(r'-?\d+(\.\d+)?', line)
+        value = re.findall(r'(-?\d+(\.\d+)?)', line)
 
         if len(value) != 1:
             return StmtRemark(line, line_number)
 
         else:
-            return StmtCdlSat(value=value[0], line_number=line_number)
+            return StmtCdlSat(value=value[0][0], line_number=line_number)
 
     elif line.startswith("FRMC"):
         match = re.match(

tests/test_parse.py

@@ -143,7 +143,16 @@ class TestParse(TestCase):
             edl = pycmx.parse_cmx3600(f)
             for event in edl.events:
                 if event.number == 1:
-                    ...
+                    sop = event.edits[0].asc_sop_statement
+                    self.assertIsNotNone(sop)
+                    assert sop
+                    self.assertEqual(sop.slope_r, "0.9405")
+                    self.assertEqual(sop.offset_g, "-0.0276")
+
+                    sat = event.edits[0].asc_sat_statement
+                    self.assertIsNotNone(sat)
+                    assert sat
+                    self.assertEqual(sat.value, '0.9640')
 
     def test_frmc(self):
         with open("tests/edls/cdl_frmc_example01.edl", "r") as f:
@@ -151,3 +160,4 @@ class TestParse(TestCase):
             for event in edl.events:
                 if event.number == 1:
                     ...
+