Fix WASI, docs

Author: barneygale

Lib/pathlib/__init__.py

@@ -1274,10 +1274,9 @@ def from_uri(cls, uri):
         from urllib.error import URLError
         from urllib.request import url2pathname
         try:
-            pathname = url2pathname(uri.removeprefix('file:'))
+            path = cls(url2pathname(uri.removeprefix('file:')))
         except URLError as exc:
             raise ValueError(exc.reason) from None
-        path = cls(pathname)
         if not path.is_absolute():
             raise ValueError(f"URI is not absolute: {uri!r}")
         return path

Lib/urllib/request.py

@@ -1450,7 +1450,6 @@ def parse_http_list(s):
     return [part.strip() for part in res]
 
 class FileHandler(BaseHandler):
-    # not entirely sure what the rules are here
     def open_local_file(self, req):
         import email.utils
         import mimetypes
@@ -1480,7 +1479,7 @@ def _is_local_authority(authority):
         return True
     try:
         address = socket.gethostbyname(authority)
-    except socket.gaierror:
+    except (socket.gaierror, AttributeError):
         return False
     if _local_addresses is None:
         try:

Misc/NEWS.d/next/Library/2024-11-14-21-17-48.gh-issue-126838.Yr5vKF.rst

@@ -2,4 +2,4 @@ Fix issue where :func:`urllib.request.url2pathname` mishandled file URLs with
 authorities. If an authority is present and resolves to ``localhost``, it is
 now discarded. If an authority is present but *doesn't* resolve to
 ``localhost``, then on Windows a UNC path is returned (as before), and on
-other platforms a :exc:`urllib.errors.URLError` is now raised.
+other platforms a :exc:`urllib.error.URLError` is now raised.