Make clear which package is calling declare_namespaces (#3827)

pypa · Feb 15, 2023 · c89c643 · c89c643
2 parents a07e918 + 20a701f
commit c89c643
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diff --git a/changelog.d/3827.misc.rst b/changelog.d/3827.misc.rst
@@ -0,0 +1,2 @@
+Improve deprecation warning message on ``pkg_resources.declare_namespace``
+to display package name.
diff --git a/pkg_resources/__init__.py b/pkg_resources/__init__.py
@@ -2289,6 +2289,7 @@ def declare_namespace(packageName):
     """Declare that package 'packageName' is a namespace package"""
 
     msg = (
+        f"Deprecated call to `pkg_resources.declare_namespace({packageName!r})`.\n"
         "Implementing implicit namespace packages (as specified in PEP 420) "
         "is preferred to `pkg_resources.declare_namespace`. "
         "See https://setuptools.pypa.io/en/latest/references/"