refactor parsers; introduce new pocsag parser

owrx/pocsag.py

@@ -0,0 +1,8 @@
+from owrx.parser import Parser
+
+
+class PocsagParser(Parser):
+    def parse(self, raw):
+        fields = raw.decode("ascii", "replace").rstrip("\n").split(";")
+        meta = {v[0]: "".join(v[1:]) for v in map(lambda x: x.split(":"), fields) if v[0] != ""}
+        self.handler.write_pocsag_data(meta)