fix codecov

trio/_path.py

@@ -193,8 +193,10 @@ async def open(self, *args, **kwargs):
         __truediv__ = pathlib.Path.__truediv__
         __rtruediv__ = pathlib.Path.__rtruediv__
 
-        # It might be superior to just manually implement all the methods and get rid
-        # of all the magic wrapping stuff.
+        # These should be fully typed, either manually or with some magic wrapper
+        # function that copies the type of pathlib.Path except sticking an async in
+        # front of all of them. The latter is unfortunately not trivial, see attempts in
+        # https://github.com/python-trio/trio/issues/2630
 
         # wrapped methods handled by __getattr__
         absolute: Any
@@ -274,4 +276,6 @@ async def open(self, *args, **kwargs):
 # sense than inventing our own special docstring for this.
 del Path.absolute.__doc__
 
+# TODO: This is likely not supported by all the static tools out there, see discussion in
+# https://github.com/python-trio/trio/pull/2631#discussion_r1185612528
 os.PathLike.register(Path)

trio/tests/test_exports.py

@@ -45,7 +45,7 @@ def public_modules(module):
             continue
         if not class_.__name__.startswith(module.__name__):  # pragma: no cover
             continue
-        if class_ is module:
+        if class_ is module:  # pragma: no cover
             continue
         # We should rename the trio.tests module (#274), but until then we use
         # a special-case hack:
@@ -102,15 +102,15 @@ def no_underscores(symbols):
         completions = script.complete()
         static_names = no_underscores(c.name for c in completions)
     elif tool == "mypy":
-        if not RUN_SLOW:
+        if not RUN_SLOW:  # pragma: no cover
             pytest.skip("use --run-slow to check against mypy")
         if sys.implementation.name != "cpython":
             pytest.skip("mypy not installed in tests on pypy")
 
         # create py.typed file
         py_typed_path = Path(trio.__file__).parent / "py.typed"
         py_typed_exists = py_typed_path.exists()
-        if not py_typed_exists:
+        if not py_typed_exists:  # pragma: no cover
             py_typed_path.write_text("")
 
         # mypy behaves strangely when passed a huge semicolon-separated line with `-c`
@@ -126,7 +126,7 @@ def no_underscores(symbols):
         res = run(["--config-file=", "--follow-imports=silent", str(tmpfile)])
 
         # clean up created py.typed file
-        if not py_typed_exists:
+        if not py_typed_exists:  # pragma: no cover
             py_typed_path.unlink()
 
         # check that there were no errors (exit code 0), otherwise print the errors
@@ -187,8 +187,6 @@ def no_hidden(symbols):
             py_typed_path.write_text("")
 
     errors: dict[str, object] = {}
-    if module_name == "trio.tests":
-        return
     for class_name, class_ in module.__dict__.items():
         if not isinstance(class_, type):
             continue
@@ -249,6 +247,7 @@ def no_hidden(symbols):
                 missing.remove("add_note")
 
             # TODO: why is this? Is it a problem?
+            # see https://github.com/python-trio/trio/pull/2631#discussion_r1185615916
             if class_ == trio.StapledStream:
                 extra.remove("receive_stream")
                 extra.remove("send_stream")
@@ -257,7 +256,7 @@ def no_hidden(symbols):
             if class_ == trio.Path:
                 missing.remove("__getattr__")
 
-            if missing or extra:
+            if missing or extra:  # pragma: no cover
                 errors[f"{module_name}.{class_name}"] = {
                     "missing": missing,
                     "extra": extra,
@@ -298,16 +297,12 @@ def no_hidden(symbols):
                     f"{module_name}.{class_name}." + sorted_runtime_names[int(line) - 2]
                 )
 
+                # in previous iterations trio.Path.{group, owner, is_mount} needed
+                # to be ignored on win32 cpython. But according to codecov it was not
+                # needed. Noting it here in case the problem pops up again though.
+                # This was the accompanying comment:
                 # The POSIX-only attributes get listed in `dir(trio.Path)` since
-                # they're in `dir(pathlib.Path)` on win32 cpython. This should *maybe*
-                # be fixed in the future, but for now we ignore it.
-                if (
-                    symbol
-                    in ("trio.Path.group", "trio.Path.owner", "trio.Path.is_mount")
-                    and sys.platform == "win32"
-                    and sys.implementation.name == "cpython"
-                ):
-                    continue
+                # they're in `dir(pathlib.Path)` on win32 cpython.
 
                 # intentionally hidden from type checkers, lest they accept any attribute
                 if symbol == "trio.Path.__getattr__":
@@ -322,7 +317,7 @@ def no_hidden(symbols):
                 if "conflicts with class variable access" in message:
                     continue
 
-                errors[symbol] = error_type + ":" + message
+                errors[symbol] = error_type + ":" + message  # pragma: no cover
 
         else:  # pragma: no cover
             assert False, "unknown tool"