setattr(self, k, v)
+def maybe_int(x: Optional[int]) -> Optional[int]:
+ return None if x is None else int(x)
+
+
def intx(x: Union[str, int]) -> int:
if isinstance(x, str):
x = int(x, 0)
return x
+def boolx(x: Union[str, bool]) -> bool:
+ if isinstance(x, str):
+ if x.upper() in ("ON", "TRUE", "1"):
+ return True
+ if x.upper() in ("OFF", "FALSE", "0"):
+ return False
+ raise ValueError(str(x) + " could not be parsed as a Boolean")
+ return x
+
+
def hhmm(x: str) -> str:
"""Check for the string that represents hours and minutes"""
if not isinstance(x, str) or len(x) != 4:
return x
+def hhmmhhmm(x: str) -> str:
+ """Check for the string that represents hours and minutes twice"""
+ if not isinstance(x, str) or len(x) != 8:
+ raise ValueError(str(x) + " is not an eight-character string")
+ return hhmm(x[:4]) + hhmm(x[4:])
+
+
def l3str(x: Union[str, List[str]]) -> List[str]:
if isinstance(x, str):
lx = x.split(",")
return lx
+def l3alarms(x: Union[str, List[Tuple[int, str]]]) -> List[Tuple[int, str]]:
+ def alrmspec(sub: str) -> Tuple[int, str]:
+ if len(sub) != 7:
+ raise ValueError(sub + " does not represent day and time")
+ return (
+ {
+ "MON": 1,
+ "TUE": 2,
+ "WED": 3,
+ "THU": 4,
+ "FRI": 5,
+ "SAT": 6,
+ "SUN": 7,
+ }[sub[:3].upper()],
+ sub[3:],
+ )
+
+ if isinstance(x, str):
+ lx = [alrmspec(sub) for sub in x.split(",")]
+ else:
+ lx = x
+ lx.extend([(0, "0000") for _ in range(3 - len(lx))])
+ if len(lx) != 3 or any(d < 0 or d > 7 for d, tm in lx):
+ raise ValueError(str(lx) + " is a wrong alarms specification")
+ return [(d, hhmm(tm)) for d, tm in lx]
+
+
def l3int(x: Union[str, List[int]]) -> List[int]:
if isinstance(x, str):
lx = [int(el) for el in x.split(",")]
PROTO = 0x01
RESPOND = Respond.INL
# Default response for ACK, can also respond with STOP_UPLOAD
+ IN_KWARGS = (("imei", str, "0000000000000000"), ("ver", int, 0))
def in_decode(self, length: int, payload: bytes) -> None:
- self.imei = payload[:-1].hex()
- self.ver = unpack("B", payload[-1:])[0]
+ self.imei = payload[:8].ljust(8, b"\0").hex()
+ self.ver = payload[8]
+
+ def in_encode(self) -> bytes:
+ return bytes.fromhex(self.imei).ljust(8, b"\0")[:8] + pack(
+ "B", self.ver
+ )
class SUPERVISION(GPS303Pkt):
class STATUS(GPS303Pkt):
PROTO = 0x13
RESPOND = Respond.EXT
+ IN_KWARGS = (
+ ("batt", int, 100),
+ ("ver", int, 0),
+ ("timezone", int, 0),
+ ("intvl", int, 0),
+ ("signal", maybe_int, None),
+ )
OUT_KWARGS = (("upload_interval", int, 25),)
def in_decode(self, length: int, payload: bytes) -> None:
else:
self.signal = None
+ def in_encode(self) -> bytes:
+ return (
+ pack("BBBB", self.batt, self.ver, self.timezone, self.intvl) + b""
+ if self.signal is None
+ else pack("B", self.signal)
+ )
+
def out_encode(self) -> bytes: # Set interval in minutes
return pack("B", self.upload_interval)
class HIBERNATION(GPS303Pkt): # Server can send to send devicee to sleep
PROTO = 0x14
+ def in_encode(self) -> bytes:
+ return b""
+
class RESET(GPS303Pkt):
# Device sends when it got reset SMS
class GPS_LBS_SWITCH_TIMES(GPS303Pkt):
PROTO = 0x34
- # Data is in packed decimal
- # 00/01 - GPS on/off
- # 00/01 - Don't set / Set upload period
- # HHMMHHMM - Upload period
- # 00/01 - LBS on/off
- # 00/01 - Don't set / Set time of boot
- # HHMM - Time of boot
- # 00/01 - Don't set / Set time of shutdown
- # HHMM - Time of shutdown
+ OUT_KWARGS = (
+ ("gps_off", boolx, False), # Clarify the meaning of 0/1
+ ("gps_interval_set", boolx, False),
+ ("gps_interval", hhmmhhmm, "00000000"),
+ ("lbs_off", boolx, False), # Clarify the meaning of 0/1
+ ("boot_time_set", boolx, False),
+ ("boot_time", hhmm, "0000"),
+ ("shut_time_set", boolx, False),
+ ("shut_time", hhmm, "0000"),
+ )
+
def out_encode(self) -> bytes:
- return b"" # TODO
+ return (
+ pack("B", self.gps_off)
+ + pack("B", self.gps_interval_set)
+ + bytes.fromhex(self.gps_interval)
+ + pack("B", self.lbs_off)
+ + pack("B", self.boot_time_set)
+ + bytes.fromhex(self.boot_time)
+ + pack("B", self.shut_time_set)
+ + bytes.fromhex(self.shut_time)
+ )
class _SET_PHONE(GPS303Pkt):
class ALARM_CLOCK(GPS303Pkt):
PROTO = 0x50
+ OUT_KWARGS: Tuple[
+ Tuple[str, Callable[[Any], Any], List[Tuple[int, str]]], ...
+ ] = (
+ ("alarms", l3alarms, []),
+ )
def out_encode(self) -> bytes:
- # TODO implement parsing kwargs
- alarms = ((0, "0000"), (0, "0000"), (0, "0000"))
return b"".join(
- pack("B", day) + bytes.fromhex(tm) for day, tm in alarms
+ pack("B", day) + bytes.fromhex(tm) for day, tm in self.alarms
)
length, proto = unpack("BB", packet[:2])
payload = packet[2:]
if proto not in CLASSES:
- cause: Union[DecodeError, ValueError] = ValueError(
+ cause: Union[DecodeError, ValueError, IndexError] = ValueError(
f"Proto {proto} is unknown"
)
else:
return CLASSES[proto].In(length, payload)
else:
return CLASSES[proto].Out(length, payload)
- except DecodeError as e:
+ except (DecodeError, ValueError, IndexError) as e:
cause = e
if is_incoming:
retobj = UNKNOWN.In(length, payload)