better timestamping and overhaul
This commit is contained in:
Jakob Ketterl
76
owrx/wsjt.py
76
owrx/wsjt.py
@@ -1,6 +1,6 @@
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import threading
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import wave
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from datetime import datetime, timedelta, date
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from datetime import datetime, timedelta, date, timezone
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import time
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import sched
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import subprocess
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@@ -31,7 +31,7 @@ class WsjtChopper(threading.Thread):
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filename = "{tmp_dir}/openwebrx-wsjtchopper-{id}-{timestamp}.wav".format(
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tmp_dir = self.tmp_dir,
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id = id(self),
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timestamp = datetime.now().strftime("%Y%m%d-%H%M%S")
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timestamp = datetime.utcnow().strftime(self.fileTimestampFormat)
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)
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wavefile = wave.open(filename, "wb")
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wavefile.setnchannels(1)
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@@ -71,9 +71,9 @@ class WsjtChopper(threading.Thread):
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self._scheduleNextSwitch()
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def decoder_commandline(self, file):
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'''
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"""
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must be overridden in child classes
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'''
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"""
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return []
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def decode(self):
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@@ -128,6 +128,7 @@ class WsjtChopper(threading.Thread):
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class Ft8Chopper(WsjtChopper):
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def __init__(self, source):
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self.interval = 15
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self.fileTimestampFormat = "%y%m%d_%H%M%S"
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super().__init__(source)
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def decoder_commandline(self, file):
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@@ -138,6 +139,7 @@ class Ft8Chopper(WsjtChopper):
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class WsprChopper(WsjtChopper):
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def __init__(self, source):
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self.interval = 120
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self.fileTimestampFormat = "%y%m%d_%H%M"
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super().__init__(source)
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def decoder_commandline(self, file):
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@@ -148,6 +150,7 @@ class WsprChopper(WsjtChopper):
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class Jt65Chopper(WsjtChopper):
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def __init__(self, source):
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self.interval = 60
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self.fileTimestampFormat = "%y%m%d_%H%M"
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super().__init__(source)
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def decoder_commandline(self, file):
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@@ -158,6 +161,7 @@ class Jt65Chopper(WsjtChopper):
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class Jt9Chopper(WsjtChopper):
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def __init__(self, source):
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self.interval = 60
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self.fileTimestampFormat = "%y%m%d_%H%M"
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super().__init__(source)
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def decoder_commandline(self, file):
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@@ -167,8 +171,6 @@ class Jt9Chopper(WsjtChopper):
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class WsjtParser(object):
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locator_pattern = re.compile(".*\\s([A-Z0-9]+)\\s([A-R]{2}[0-9]{2})$")
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jt9_pattern = re.compile("^([0-9]{6}|\\*{4}) .*")
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wspr_pattern = re.compile("^[0-9]{4} .*")
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wspr_splitter_pattern = re.compile("([A-Z0-9]*)\\s([A-R]{2}[0-9]{2})\\s([0-9]+)")
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def __init__(self, handler):
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@@ -191,38 +193,45 @@ class WsjtParser(object):
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if msg.startswith(" EOF on input file"):
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return
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out = {}
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if WsjtParser.jt9_pattern.match(msg):
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modes = list(WsjtParser.modes.keys())
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if msg[21] in modes or msg[19] in modes:
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out = self.parse_from_jt9(msg)
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elif WsjtParser.wspr_pattern.match(msg):
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else:
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out = self.parse_from_wsprd(msg)
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self.handler.write_wsjt_message(out)
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except ValueError:
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logger.exception("error while parsing wsjt message")
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def parse_timestamp(self, instring, dateformat):
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ts = datetime.strptime(instring, dateformat).replace(tzinfo=timezone.utc)
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return int(datetime.combine(date.today(), ts.time(), timezone.utc).timestamp() * 1000)
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def parse_from_jt9(self, msg):
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# ft8 sample
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# '222100 -15 -0.0 508 ~ CQ EA7MJ IM66'
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# jt65 sample
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# '**** -10 0.4 1556 # CQ RN6AM KN95'
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out = {}
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if msg.startswith("****"):
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out["timestamp"] = int(datetime.now().timestamp() * 1000)
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msg = msg[5:]
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# '2352 -7 0.4 1801 # R0WAS R2ABM KO85'
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# '0003 -4 0.4 1762 # CQ R2ABM KO85'
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modes = list(WsjtParser.modes.keys())
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if msg[19] in modes:
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dateformat = "%H%M"
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else:
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ts = datetime.strptime(msg[0:6], "%H%M%S")
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out["timestamp"] = int(datetime.combine(date.today(), ts.time(), datetime.now().tzinfo).timestamp() * 1000)
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msg = msg[7:]
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out["db"] = float(msg[0:3])
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out["dt"] = float(msg[4:8])
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out["freq"] = int(msg[9:13])
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dateformat = "%H%M%S"
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timestamp = self.parse_timestamp(msg[0:len(dateformat)], dateformat)
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msg = msg[len(dateformat) + 1:]
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modeChar = msg[14:15]
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out["mode"] = mode = WsjtParser.modes[modeChar] if modeChar in WsjtParser.modes else "unknown"
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mode = WsjtParser.modes[modeChar] if modeChar in WsjtParser.modes else "unknown"
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wsjt_msg = msg[17:53].strip()
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self.parseLocator(wsjt_msg, mode)
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out["msg"] = wsjt_msg
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return out
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return {
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"timestamp": timestamp,
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"db": float(msg[0:3]),
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"dt": float(msg[4:8]),
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"freq": int(msg[9:13]),
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"mode": mode,
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"msg": wsjt_msg
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}
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def parseLocator(self, msg, mode):
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m = WsjtParser.locator_pattern.match(msg)
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@@ -237,19 +246,18 @@ class WsjtParser(object):
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def parse_from_wsprd(self, msg):
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# wspr sample
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# '2600 -24 0.4 0.001492 -1 G8AXA JO01 33'
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out = {}
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now = datetime.now()
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ts = datetime.strptime(msg[0:4], "%M%S").replace(hour=now.hour)
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out["timestamp"] = int(datetime.combine(date.today(), ts.time(), now.tzinfo).timestamp() * 1000)
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out["db"] = float(msg[5:8])
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out["dt"] = float(msg[9:13])
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out["freq"] = float(msg[14:24])
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out["drift"] = int(msg[25:28])
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out["mode"] = "WSPR"
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# '0052 -29 2.6 0.001486 0 G02CWT IO92 23'
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wsjt_msg = msg[29:].strip()
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out["msg"] = wsjt_msg
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self.parseWsprMessage(wsjt_msg)
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return out
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return {
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"timestamp": self.parse_timestamp(msg[0:4], "%H%M"),
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"db": float(msg[5:8]),
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"dt": float(msg[9:13]),
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"freq": float(msg[14:24]),
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"drift": int(msg[25:28]),
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"mode": "WSPR",
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"msg": wsjt_msg
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}
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def parseWsprMessage(self, msg):
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m = WsjtParser.wspr_splitter_pattern.match(msg)
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