typesafety: add thorough typechecks to UPath interface (#414)

* typesafety: add extensive type checks for UPath and implementations

* upath: add basic PathInfo implementation for UPath

* upath.types: adjust PathLike types

* upath.types._abc: stricter types for pathlib_abc base types

* upath.core: fix type annotations

* upath.implementations: fix type annotations

* upath.implementations.local: fix annotations and backport methods

* upath.extensions: fix method signatures and types

* typesafety: adjust JoinablePath tests

* upath.types: do not register pathlib_abc ABCs on python 3.14

Author: ap--

.github/workflows/tests.yml

@@ -67,7 +67,7 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Set up Python ${{ matrix.pyv }}
+    - name: Set up Python
       uses: actions/setup-python@v5
       with:
         python-version: '3.10'
@@ -90,7 +90,7 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Set up Python ${{ matrix.pyv }}
+    - name: Set up Python
       uses: actions/setup-python@v5
       with:
         python-version: '3.10'

noxfile.py

@@ -115,6 +115,7 @@ def typesafety(session):
         "--mypy-pyproject-toml-file",
         "pyproject.toml",
         "typesafety",
+        *session.posargs,
     )