Merge pull request #918 from argilo/historical-speedup

Speed up log file processing

auto_rx/autorx/log_files.py

@@ -53,8 +53,16 @@ def log_filename_to_stats(filename, quicklook=False):
  _fields = _basename.split("_")
 
  # First field is the date/time the sonde was first received.
- _date_str = _fields[0] + "Z"
- _date_dt = parse(_date_str)
+ _date_str = _fields[0]
+ _date_dt = datetime.datetime(
+ int(_date_str[0:4]),
+ int(_date_str[4:6]),
+ int(_date_str[6:8]),
+ int(_date_str[9:11]),
+ int(_date_str[11:13]),
+ int(_date_str[13:15]),
+ tzinfo=datetime.timezone.utc
+ )
 
  # Calculate age
  _age_td = _now_dt - _date_dt