CmxEvent and CmxTransition implementation

pycmx/cmx_event.py

@@ -1,6 +1,8 @@
 class CmxEvent:
-    def __init__(self,title,number,clip_name,source_name,channels, transition,source_start,source_finish,
-            record_start, record_finish, fcm_drop, remarks = [] , unrecognized = []):
+    def __init__(self,title,number,clip_name,source_name,channels, 
+            transition,source_start,source_finish,
+            record_start, record_finish, fcm_drop, remarks = [] , 
+            unrecognized = []):
         self.title = title
         self.number = number
         self.clip_name = clip_name
@@ -14,12 +16,75 @@ class CmxEvent:
         self.fcm_drop = fcm_drop
         self.remarks = remarks
         self.unrecgonized = unrecognized
+        self.black = (source_name == 'BL')
+        self.aux_source = (source_name == 'AX')
+
 
     def accept_statement(statement):
-        return
+        atement_type = type(statement).__name__ 
+        if statement_type == 'AudioExt':
+            self.channels.appendExt(statement)
+        elif statement_type == 'Remark':
+            self.remarks.append(statement.text)
+        elif statement_type == 'SourceFile':
+            self.source_name = statement.filename
+        elif statement_type == 'ClipName':
+            self.clip_name = statement.name
+        elif statement_type == 'EffectsName':
+            self.transition.name = statement.name
+        
+    def __repr__(self):
+        return f"""CmxEvent(title="{self.title}",number="{self.number}",\
+clip_name="{self.clip_name}",source_name="{self.source_name}",\
+channels={self.channels},transition={self.transition},\
+source_start="{self.source_start}",source_finish="{self.source_finish}",\
+record_start="{self.source_start}",record_finish="{self.record_finish}",\
+fcm_drop={self.fcm_drop},remarks={self.remarks})"""
 
 
 class CmxTransition:
-    def __init__(self, transition, transition_operand):
-        self.transition = ""
-        self.transition_operand = transition_operand
+    def __init__(self, transition, operand):
+        self.transition = transition
+        self.operand = operand
+        self.name = ''
+
+    @property
+    def cut(self):
+        return self.transition == 'C'
+
+    @property
+    def dissolve(self):
+        return self.transition == 'D'
+
+
+    @property
+    def wipe(self):
+        return self.transition.startswith('W')
+
+
+    @property
+    def effect_duration(self):
+        return int(self.operand)
+
+    @property
+    def wipe_number(self):
+        if self.wipe:
+            return int(self.transition[1:])
+        else:
+            return None
+
+    @property
+    def key_background(self):
+        return self.transition == 'KB'
+
+    @property
+    def key_foreground(self):
+        return self.transition == 'K'
+
+    @property
+    def key_out(self):
+        return self.transition == 'KO'
+
+    def __repr__(self):
+        return f"""CmxTransition(transition="{self.transition}",operand="{self.operand}")"""
+