Merge pull request #1 from IMAP-Science-Operations-Center/swe_decom

SWE packet decom example

imap_processing/decom.py

@@ -0,0 +1,25 @@
+from space_packet_parser import parser, xtcedef
+
+
+def decom_packets(packet_file: str, xtce_packet_definition: str):
+    """Unpack CCSDS data packet. In this function, we unpack and return data
+    as it is. Data modification will not be done at this step.
+
+    Parameters
+    ----------
+    packet_file : str
+        Path to data packet path with filename
+    xtce_packet_definition : str
+        Path to XTCE file with filename
+
+    Returns
+    -------
+    List
+        List of all the unpacked data
+    """
+    packet_definition = xtcedef.XtcePacketDefinition(xtce_packet_definition)
+    packet_parser = parser.PacketParser(packet_definition)
+
+    with open(packet_file, "rb") as binary_data:
+        packet_generator = packet_parser.generator(binary_data)
+        return list(packet_generator)