Add typing to URL

CHANGES/1084.contrib.rst

@@ -0,0 +1 @@
+Add typing to the ``URL`` object -- by :user:`bdraco`.

yarl/_quoting_c.pyi

@@ -9,10 +9,10 @@ class _Quoter:
         qs: bool = ...,
         requote: bool = ...
     ) -> None: ...
-    def __call__(self, val: Optional[str] = ...) -> Optional[str]: ...
+    def __call__(self, val: str = ...) -> str: ...
 
 class _Unquoter:
     def __init__(
         self, *, ignore: str = ..., unsafe: str = ..., qs: bool = ...
     ) -> None: ...
-    def __call__(self, val: Optional[str] = ...) -> Optional[str]: ...
+    def __call__(self, val: str = ...) -> str: ...

yarl/_quoting_py.py

@@ -1,7 +1,7 @@
 import codecs
 import re
 from string import ascii_letters, ascii_lowercase, digits
-from typing import Optional, cast
+from typing import cast
 
 BASCII_LOWERCASE = ascii_lowercase.encode("ascii")
 BPCT_ALLOWED = {f"%{i:02X}".encode("ascii") for i in range(256)}
@@ -33,7 +33,7 @@ def __init__(
         self._qs = qs
         self._requote = requote
 
-    def __call__(self, val: Optional[str]) -> Optional[str]:
+    def __call__(self, val: str) -> str:
         if val is None:
             return None
         if not isinstance(val, str):
@@ -123,7 +123,7 @@ def __init__(self, *, ignore: str = "", unsafe: str = "", qs: bool = False) -> N
         self._quoter = _Quoter()
         self._qs_quoter = _Quoter(qs=True)
 
-    def __call__(self, val: Optional[str]) -> Optional[str]:
+    def __call__(self, val: str) -> str:
         if val is None:
             return None
         if not isinstance(val, str):