Parse log file packets

sohstationviewer/model/reftek_data/reftek_reader/log_file_reader.py

 from pathlib import Path
-from typing import List, Literal, Optional
+from typing import List, Literal, Optional, Dict, Callable, Tuple
 
 LogFileFormat = Literal['rt2ms', 'logpeek', 'sohstationviewer']
 PACKETS = ['SH', 'SC', 'OM', 'DS', 'AD', 'CD', 'FD', 'EH', 'ET']
@@ -47,16 +47,45 @@ def detect_log_file_packet_format(packet: List[str]) -> LogFileFormat:
         return 'logpeek'
 
 
-def read_soh_packet_base(packet: List[str]):
-    pass
+def parse_soh_packet_no_type(packet: List[str]):
+    eh_et_lines = []
+    soh_lines = packet
+    return eh_et_lines, soh_lines
 
 
-def read_soh_packet_rt2ms(packet: List[str]):
-    pass
+def parse_soh_packet_logpeek(packet: List[str]):
+    eh_et_lines = []
+    soh_lines = []
+    for line in packet:
+        if line.startswith('DAS: '):
+            eh_et_lines.append(line)
+        else:
+            soh_lines.append(line)
 
+    return eh_et_lines, soh_lines
+
+
+def parse_soh_packet_rt2ms(packet: List[str]):
+    eh_et_lines = []
+    soh_lines = []
+    if packet[0].startswith('EH') or packet[0].startswith('ET'):
+        # The event info is summarized in the last line of an event info packet
+        eh_et_lines = [packet[-1]]
+    else:
+        soh_lines = packet[1:]
+
+    return eh_et_lines, soh_lines
+
+
+def parse_soh_packet_sohstationviewer(packet: List[str]):
+    eh_et_lines = []
+    soh_lines = []
+    if packet[0].startswith('Events:'):
+        eh_et_lines = packet[1:]
+    else:
+        soh_lines = packet
+    return eh_et_lines, soh_lines
 
-def read_soh_packet_rt2ms(packet: List[str]):
-    pass
 
 
 class LogFile:
@@ -86,6 +115,14 @@ class LogFile:
         self.file.close()
 
 
+PACKET_PARSERS: Dict[Optional[LogFileFormat], Callable] = {
+    None: parse_soh_packet_no_type,
+    'sohstationviewer': parse_soh_packet_sohstationviewer,
+    'rt2ms': parse_soh_packet_rt2ms,
+    'logpeek': parse_soh_packet_logpeek
+}
+
+
 class LogFileReader:
     """
     Class that reads a log file.
@@ -94,16 +131,21 @@ class LogFileReader:
         self.file_path = file_path
         self.packet_reader = None
         self.log_file_type: Optional[LogFileFormat] = None
+        self.eh_et_lines = []
+        self.soh_lines = []
 
     def read(self):
         log_file = LogFile(self.file_path)
         for packet in log_file:
             if self.log_file_type is None:
                 self.log_file_type = detect_log_file_packet_format(packet)
-            pass
+            parser = PACKET_PARSERS[self.log_file_type]
+            eh_et_lines, soh_lines = parser(packet)
+            self.eh_et_lines.extend(eh_et_lines)
+            self.soh_lines.extend(soh_lines)
 
 
 if __name__ == '__main__':
     pass
-a = LogFileReader(Path('/Users/kle/PycharmProjects/sohstationviewer/9BB3.log'))
+a = LogFileReader(Path('/Users/kle/PycharmProjects/sohstationviewer/RT130_9BB3_2016326_2016365.log'))
 a.read()