implement support for other e&o mgps

wizard/parsers/gps/jm.py

@@ -7,6 +7,9 @@
 from parsers.parser_base import Parser, Parsable
 from parsers.helpers import stream_chunk_contains
 
+
+# Earth&Ocean mGPS-2
+
 class GPS2JMParser7_5(Parser):
     '''
     Parser for 2Jm format v 7.5
@@ -100,7 +103,81 @@ def _fix_content(self, data: str):
             data
         )
 
+
+class GPS2JMParser8Alternative(Parser):
+    '''
+    Parser for 2Jm format v8
+
+    instead of a .LOG file these files are ASCII encoded
+    with a header structured
+    '''
+    DATATYPE = "gps_2jm"
+    # TODO: define fields
+    FIELDS = [str(x) for x in range(0,11)]
+    VERSION = "v8"
+    SEPARATOR = " "
+
+    # TODO: understand the fields first
+    # MAPPINGS = {
+    #     "id": "",
+    #     "date": None,
+    #     "time": None,
+    #     "latitude": None,
+    #     "longitude": None,
+    #     "altitude": None,
+    #     "speed_km_h": None,
+    #     "type": None,
+    #     "distance": None,
+    #     "course": None,
+    #     "hdop": None,
+    #     "pdop": None,
+    #     "satellites_count": None,
+    #     "direction_deg": None,
+    #     "temperature": None,
+    #     "solar_I_mA": None,
+    #     "bat_soc_pct": None,
+    #     "ring_nr": None,
+    #     "trip_nr": None,
+    # }
+
+    def _fix_content(self, data: str):
+        '''
+        In version 8 there is a strange notation using the whitespace
+        also to right align the number for a specific column
+        In this case replace the multiple spaces
+        '''
+        return regex.sub(
+            ' ',
+            data
+        )
+
+    def __init__(self, parsable: Parsable):
+        super().__init__(parsable)
+
+        with self.file.get_stream(binary=False, errors='backslashreplace') as stream:
+            # TODO: check the first byte instead of the whole stream chunk
+            if not stream.seekable():
+                self._raise_not_supported('Stream not seekable')
+
+            if not stream_chunk_contains(stream, 50, "************* GPS DATA *************"):
+                self._raise_not_supported(f"Stream must start with ************* GPS DATA *************")
+
+            head, data = stream.read().split('\n\n\n\n')
+
+            data = self._fix_content(data)
+
+            content = io.StringIO(data)
+
+            reader = csv.reader(content, delimiter=self.SEPARATOR, skipinitialspace=True)
+            header = next(reader)
+            if len(header) != len(self.FIELDS):
+                self._raise_not_supported(f"Stream have fields different than expected, {len(header)} != {len(self.FIELDS)}")
+
+            self.data = pd.read_csv(content, header=0, names=self.FIELDS, sep=self.SEPARATOR, index_col=False)
+
+
 PARSERS = [
     GPS2JMParser7_5,
     GPS2JMParser8,
+    GPS2JMParser8Alternative,
 ]