GH-125866: Deprecate `nturl2path` module (#131432)

Deprecate the `nturl2path` module. Its functionality is merged into
`urllib.request`.

Add `tests.test_nturl2path` to exercise `nturl2path`, as it's no longer
covered by `test_urllib`.

1 files changed, 9 insertions, 1 deletions

diff --git a/Lib/nturl2path.py b/Lib/nturl2path.py
index 7b5b820..57c7858 100644
--- a/Lib/nturl2path.py
+++ b/Lib/nturl2path.py
@@ -3,7 +3,15 @@
 This module only exists to provide OS-specific code
 for urllib.requests, thus do not use directly.
 """
-# Testing is done through test_urllib.
+# Testing is done through test_nturl2path.
+
+import warnings
+
+
+warnings._deprecated(
+    __name__,
+    message=f"{warnings._DEPRECATED_MSG}; use 'urllib.request' instead",
+    remove=(3, 19))
 
 def url2pathname(url):
     """OS-specific conversion from a relative URL of the 'file' scheme