fg dependency removal

Author: zavoraad

databricksx12/edi.py

@@ -235,7 +235,7 @@ def summary(self):
     #  @returns a python dictionary representing metadata found in EDI/FunctionalGroup/Transaction classes
     #
     @staticmethod
-    def class_metadata(cls_obj, exclude=['data', 'raw_data', 'isa']):
+    def class_metadata(cls_obj, exclude=['data', 'raw_data', 'isa', 'fg']):
         return {str(cls_obj.__class__.__name__ + "." + attr): getattr(cls_obj, attr) for attr in dir(cls_obj) if not callable(getattr(cls_obj, attr)) and not attr.startswith("__") and attr not in exclude}
 
     #

databricksx12/functional.py

@@ -6,10 +6,11 @@ def __init__(self, segments, delim_cls = AnsiX12Delim):
         self.data = segments
         self.format_cls = delim_cls
         self.transaction_type = self._transaction_type()
-        self.standard_version = self.segments_by_name("GS")[0].element(8)
-        self.control_number = self.segments_by_name("GS")[0].element(6)
-        self.date = self.segments_by_name("GS")[0].element(4)
-        self.time =  self.segments_by_name("GS")[0].element(5)
+        self.fg = (self.segments_by_name("GS")[0] if len(self.segments_by_name("GS")) > 0 else Segment.empty())
+        self.standard_version = self.fg.element(8)
+        self.control_number = self.fg.element(6)
+        self.date = self.fg.element(4)
+        self.time =  self.fg.element(5)
         self.sender = self._sender()
         self.receiver = self._reciever()