Feature/python

python/ftlstream.py

+import msgpack
+from collections import namedtuple
+
+_packet = namedtuple("Packet", ["codec", "definition", "block_total", "block_number", "flags", "data"])
+_stream_packet = namedtuple("StreamPacket", ["timestamp", "streamID", "chanel_count", "channel"])
+
+class FTLStream:
+    def __init__(self, file):
+        self._file = open(file, "br")
+        
+        try:
+            magic = self._file.read(5)
+            if magic[:4] != bytearray(ord(c) for c in "FTLF"):
+                raise Exception("wrong magic")
+            
+            self._unpacker = msgpack.Unpacker(self._file, raw=True, use_list=False)
+            
+        except Exception as ex:
+            self._file.close()
+            raise ex
+    
+    def __del__(self):
+        self._file.close()
+    
+    def read(self):
+        # TODO: Different methods for reading different types?
+        return self._read_next()
+    
+    def _read_next(self):
+        v1, v2 = self._unpacker.unpack()
+        return _stream_packet._make(v1), _packet._make(v2)
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