from enum import Enum
from inspect import isclass
from struct import error, pack, unpack
-from typing import Any, Callable, Dict, List, Optional, Tuple, Type, Union
+from typing import (
+ Any,
+ Callable,
+ Dict,
+ List,
+ Optional,
+ Tuple,
+ Type,
+ TYPE_CHECKING,
+ Union,
+)
__all__ = (
"class_by_prefix",
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(",")
+ else:
+ lx = x
if len(lx) != 3 or not all(isinstance(el, str) for el in x):
raise ValueError(str(lx) + " is not a list of three strings")
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(",")]
+ else:
+ lx = x
if len(lx) != 3 or not all(isinstance(el, int) for el in lx):
raise ValueError(str(lx) + " is not a list of three integers")
return lx
respectively.
"""
+ if TYPE_CHECKING:
+
+ def __getattr__(self, name: str) -> Any:
+ pass
+
+ def __setattr__(self, name: str, value: Any) -> None:
+ pass
+
def __new__(
- cls, name: str, bases: Tuple[type, ...], attrs: Dict[str, Any]
+ cls: Type["MetaPkt"],
+ name: str,
+ bases: Tuple[type, ...],
+ attrs: Dict[str, Any],
) -> "MetaPkt":
newcls = super().__new__(cls, name, bases, attrs)
- setattr(
- newcls,
- "In",
- super().__new__(
- cls,
- name + ".In",
- (newcls,) + bases,
- {
- "KWARGS": newcls.IN_KWARGS,
- "decode": newcls.in_decode,
- "encode": newcls.in_encode,
- },
- ),
+ newcls.In = super().__new__(
+ cls,
+ name + ".In",
+ (newcls,) + bases,
+ {
+ "KWARGS": newcls.IN_KWARGS,
+ "decode": newcls.in_decode,
+ "encode": newcls.in_encode,
+ },
)
- setattr(
- newcls,
- "Out",
- super().__new__(
- cls,
- name + ".Out",
- (newcls,) + bases,
- {
- "KWARGS": newcls.OUT_KWARGS,
- "decode": newcls.out_decode,
- "encode": newcls.out_encode,
- },
- ),
+ newcls.Out = super().__new__(
+ cls,
+ name + ".Out",
+ (newcls,) + bases,
+ {
+ "KWARGS": newcls.OUT_KWARGS,
+ "decode": newcls.out_decode,
+ "encode": newcls.out_encode,
+ },
)
return newcls
In: Type["GPS303Pkt"]
Out: Type["GPS303Pkt"]
+ if TYPE_CHECKING:
+
+ def __getattr__(self, name: str) -> Any:
+ pass
+
+ def __setattr__(self, name: str, value: Any) -> None:
+ pass
+
def __init__(self, *args: Any, **kwargs: Any):
"""
Construct the object _either_ from (length, payload),
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
)
PROTOS[cls.__name__] = cls.PROTO
-def class_by_prefix(prefix: str) -> Union[type, List[Tuple[str, int]]]:
+def class_by_prefix(
+ prefix: str,
+) -> Union[Type[GPS303Pkt], List[Tuple[str, int]]]:
lst = [
(name, proto)
for name, proto in PROTOS.items()