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Type annotation bugfixes #4740

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Merged
gpotter2 merged 3 commits into from
May 29, 2025
Merged

Type annotation bugfixes #4740

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9015402
Fix type of new Packet, annotate enums
marci07iq May 9, 2025
2466530
Revent Packet, fix Enum annotation
marci07iq May 14, 2025
eaa549e
Factor enum type into alias
marci07iq May 29, 2025
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6 changes: 3 additions & 3 deletions scapy/arch/linux/rtnetlink.py
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Original file line number Diff line number Diff line change
Expand Up @@ -394,7 +394,7 @@ def default_payload_class(self, payload: bytes) -> Type[Packet]:

class ifinfomsg(Packet):
fields_desc = [
ByteEnumField("ifi_family", 0, socket.AddressFamily), # type: ignore
ByteEnumField("ifi_family", 0, socket.AddressFamily),
ByteField("res", 0),
Field("ifi_type", 0, fmt="=H"),
Field("ifi_index", 0, fmt="=i"),
Expand Down Expand Up @@ -483,7 +483,7 @@ def default_payload_class(self, payload: bytes) -> Type[Packet]:

class ifaddrmsg(Packet):
fields_desc = [
ByteEnumField("ifa_family", 0, socket.AddressFamily), # type: ignore
ByteEnumField("ifa_family", 0, socket.AddressFamily),
ByteField("ifa_prefixlen", 0),
FlagsField(
"ifa_flags",
Expand Down Expand Up @@ -607,7 +607,7 @@ def default_payload_class(self, payload: bytes) -> Type[Packet]:

class rtmsg(Packet):
fields_desc = [
ByteEnumField("rtm_family", 0, socket.AddressFamily), # type: ignore
ByteEnumField("rtm_family", 0, socket.AddressFamily),
ByteField("rtm_dst_len", 0),
ByteField("rtm_src_len", 0),
ByteField("rtm_tos", 0),
Expand Down
84 changes: 61 additions & 23 deletions scapy/fields.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1637,7 +1637,7 @@ def __init__(
pkt_cls=None, # type: Optional[Union[Callable[[bytes], Packet], Type[Packet]]] # noqa: E501
count_from=None, # type: Optional[Callable[[Packet], int]]
length_from=None, # type: Optional[Callable[[Packet], int]]
next_cls_cb=None, # type: Optional[Callable[[Packet, List[BasePacket], Optional[Packet], bytes], Type[Packet]]] # noqa: E501
next_cls_cb=None, # type: Optional[Callable[[Packet, List[BasePacket], Optional[Packet], bytes], Optional[Type[Packet]]]] # noqa: E501
max_count=None, # type: Optional[int]
):
# type: (...) -> None
Expand Down Expand Up @@ -2647,7 +2647,7 @@ class CharEnumField(EnumField[str]):
def __init__(self,
name, # type: str
default, # type: str
enum, # type: Union[Dict[str, str], Tuple[Callable[[str], str], Callable[[str], str]]] # noqa: E501
enum, # type: Union[Dict[str, str], Dict[str, str], List[str], DADict[str, str], Type[Enum], Tuple[Callable[[str], str], Callable[[str], str]]] # noqa: E501
fmt="1s", # type: str
):
# type: (...) -> None
Expand All @@ -2670,8 +2670,14 @@ def any2i_one(self, pkt, x):
class BitEnumField(_BitField[Union[List[int], int]], _EnumField[int]):
__slots__ = EnumField.__slots__

def __init__(self, name, default, size, enum, **kwargs):
# type: (str, Optional[int], int, Dict[int, str], **Any) -> None
def __init__(self,
name, # type: str
default, # type: Optional[int]
size, # type: int
enum, # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
**kwargs # type: Any
):
# type: (...) -> None
_EnumField.__init__(self, name, default, enum)
_BitField.__init__(self, name, default, size, **kwargs)

Expand All @@ -2694,7 +2700,7 @@ def __init__(self,
name, # type: str
default, # type: Optional[int]
length_from, # type: Callable[[Packet], int]
enum, # type: Dict[int, str]
enum, # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
**kwargs, # type: Any
):
# type: (...) -> None
Expand All @@ -2718,34 +2724,50 @@ class ShortEnumField(EnumField[int]):

def __init__(self,
name, # type: str
default, # type: int
enum, # type: Union[Dict[int, str], Dict[str, int], Tuple[Callable[[int], str], Callable[[str], int]], DADict[int, str]] # noqa: E501
default, # type: Optional[int]
enum, # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
):
# type: (...) -> None
super(ShortEnumField, self).__init__(name, default, enum, "H")


class LEShortEnumField(EnumField[int]):
def __init__(self, name, default, enum):
# type: (str, int, Union[Dict[int, str], List[str]]) -> None
def __init__(self,
name, # type: str
default, # type: Optional[int]
enum # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
):
# type: (...) -> None
super(LEShortEnumField, self).__init__(name, default, enum, "<H")


class LongEnumField(EnumField[int]):
def __init__(self, name, default, enum):
# type: (str, int, Union[Dict[int, str], List[str]]) -> None
def __init__(self,
name, # type: str
default, # type: Optional[int]
enum # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
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):
# type: (...) -> None
super(LongEnumField, self).__init__(name, default, enum, "Q")


class LELongEnumField(EnumField[int]):
def __init__(self, name, default, enum):
# type: (str, int, Union[Dict[int, str], List[str]]) -> None
def __init__(self,
name, # type: str
default, # type: Optional[int]
enum # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
):
# type: (...) -> None
super(LELongEnumField, self).__init__(name, default, enum, "<Q")


class ByteEnumField(EnumField[int]):
def __init__(self, name, default, enum):
# type: (str, Optional[int], Dict[int, str]) -> None
def __init__(self,
name, # type: str
default, # type: Optional[int]
enum # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
):
# type: (...) -> None
super(ByteEnumField, self).__init__(name, default, enum, "B")


Expand All @@ -2766,20 +2788,32 @@ def i2repr_one(self, pkt, x):


class IntEnumField(EnumField[int]):
def __init__(self, name, default, enum):
# type: (str, Optional[int], Dict[int, str]) -> None
def __init__(self,
name, # type: str
default, # type: Optional[int]
enum # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
):
# type: (...) -> None
super(IntEnumField, self).__init__(name, default, enum, "I")


class SignedIntEnumField(EnumField[int]):
def __init__(self, name, default, enum):
# type: (str, Optional[int], Dict[int, str]) -> None
def __init__(self,
name, # type: str
default, # type: Optional[int]
enum # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
):
# type: (...) -> None
super(SignedIntEnumField, self).__init__(name, default, enum, "i")


class LEIntEnumField(EnumField[int]):
def __init__(self, name, default, enum):
# type: (str, int, Dict[int, str]) -> None
def __init__(self,
name, # type: str
default, # type: Optional[int]
enum # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
):
# type: (...) -> None
super(LEIntEnumField, self).__init__(name, default, enum, "<I")


Expand All @@ -2792,8 +2826,12 @@ def _i2repr(self, pkt, x):
class LE3BytesEnumField(LEThreeBytesField, _EnumField[int]):
__slots__ = EnumField.__slots__

def __init__(self, name, default, enum):
# type: (str, Optional[int], Dict[int, str]) -> None
def __init__(self,
name, # type: str
default, # type: Optional[int]
enum # type: Union[Dict[int, str], Dict[str, int], List[str], DADict[int, str], Type[Enum], Tuple[Callable[[int], str], Callable[[str], int]]] # noqa: E501
):
# type: (...) -> None
_EnumField.__init__(self, name, default, enum)
LEThreeBytesField.__init__(self, name, default)

Expand Down