fix: fixed all lint and typecheck errors

Author: acul71

multiaddr/codecs/onion.py

@@ -48,6 +48,6 @@ def to_string(self, proto, buf):
             port = str(int.from_bytes(buf[10:12], byteorder='big'))
             if not 1 <= int(port) <= 65535:
                 raise ValueError("Invalid onion port range")
-            return f"{addr}:{port}"
+            return f"{addr}:{port}"  # noqa: E231
         except (ValueError, UnicodeDecodeError, binascii.Error) as e:
             raise BinaryParseError(str(e), buf, proto)

multiaddr/codecs/onion3.py

@@ -50,6 +50,6 @@ def to_string(self, proto, buf):
             port = str(int.from_bytes(buf[35:], byteorder='big'))
             if not 1 <= int(port) <= 65535:
                 raise ValueError("Invalid onion3 port range")
-            return f"{addr}:{port}"
+            return f"{addr}:{port}"  # noqa: E231
         except (ValueError, UnicodeDecodeError, binascii.Error) as e:
             raise BinaryParseError(str(e), buf, proto)

multiaddr/multiaddr.py

@@ -1,3 +1,4 @@
+# flake8: noqa: F811
 import collections.abc
 from typing import Any, Iterator, List, Optional, Tuple, TypeVar, Union, Sequence, overload
 
@@ -48,7 +49,7 @@ def __iter__(self) -> Iterator[Any]:
 class MultiAddrItems(
     collections.abc.ItemsView[Any, Any],
     collections.abc.Sequence[Tuple[Any, Any]]
-):
+):  # noqa: F811
     def __init__(self, mapping: 'Multiaddr') -> None:
         self._mapping = mapping
         super().__init__(mapping)
@@ -66,14 +67,14 @@ def __getitem__(self, idx: int) -> Tuple[Any, Any]: ...
     @overload
     def __getitem__(self, idx: slice) -> Sequence[Tuple[Any, Any]]: ...
 
-    def __getitem__(
+    def __getitem__(  # noqa: F811
         self,
         idx: Union[int, slice]
     ) -> Union[Tuple[Any, Any], Sequence[Tuple[Any, Any]]]:
         if isinstance(idx, slice):
             return list(self)[idx]
         if idx < 0:
-            idx = len(self)+idx
+            idx = len(self) + idx
         for idx2, item in enumerate(self):
             if idx2 == idx:
                 return item

multiaddr/transforms.py

@@ -110,7 +110,10 @@ def string_iter(string: str) -> Generator[Tuple[Protocol, CodecBase, Optional[st
             proto = protocol_with_name(element)
             print(f"[DEBUG] Found protocol: {proto.name}")
             if proto.codec is None:
-                codec = None
+                # Create a dummy codec with size 0 for protocols without a codec
+                codec = CodecBase()
+                codec.SIZE = 0
+                codec.IS_PATH = False
             else:
                 codec = codec_by_name(proto.codec)
         except (ImportError, exceptions.ProtocolNotFoundError) as exc:
@@ -145,7 +148,11 @@ def string_iter(string: str) -> Generator[Tuple[Protocol, CodecBase, Optional[st
                     sp.pop(0)
                 if not sp:
                     print(f"[DEBUG] Protocol {proto.name} requires address but none left")
-                    raise exceptions.StringParseError("Protocol requires address", string, proto.name)
+                    raise exceptions.StringParseError(
+                        "Protocol requires address",
+                        string,
+                        proto.name
+                    )
                 next_elem = sp[0]
                 print(f"[DEBUG] Next element for value: '{next_elem}'")
                 # First try to validate as value for current protocol
@@ -159,9 +166,12 @@ def string_iter(string: str) -> Generator[Tuple[Protocol, CodecBase, Optional[st
                         try:
                             # If this succeeds, it's a protocol name
                             protocol_with_name(next_elem)
-                            # If we have a protocol that requires a value and we're seeing another protocol,
+                            # If we have a protocol that requires a value and we're seeing
+                            # another protocol,
                             # raise a StringParseError
-                            print(f"[DEBUG] Next element '{next_elem}' is a protocol name. Error!")
+                            print(
+                                f"[DEBUG] Next element '{next_elem}' is a protocol name. Error!"
+                            )
                             raise exceptions.StringParseError(
                                 f"Protocol {proto.name} requires a value",
                                 string,