MAINT: Enable linting with ruff E501 for numpy._core (numpy#28954)

Author: eendebakpt

numpy/__init__.py

@@ -470,18 +470,19 @@ def _mac_os_check():
         from . import exceptions
         with warnings.catch_warnings(record=True) as w:
             _mac_os_check()
-            # Throw runtime error, if the test failed Check for warning and error_message
+            # Throw runtime error, if the test failed
+            # Check for warning and report the error_message
             if len(w) > 0:
                 for _wn in w:
                     if _wn.category is exceptions.RankWarning:
-                        # Ignore other warnings, they may not be relevant (see gh-25433).
+                        # Ignore other warnings, they may not be relevant (see gh-25433)
                         error_message = (
                             f"{_wn.category.__name__}: {_wn.message}"
                         )
                         msg = (
                             "Polyfit sanity test emitted a warning, most likely due "
                             "to using a buggy Accelerate backend."
-                            "\nIf you compiled yourself, more information is available at:"
+                            "\nIf you compiled yourself, more information is available at:"  # noqa: E501
                             "\nhttps://numpy.org/devdocs/building/index.html"
                             "\nOtherwise report this to the vendor "
                             f"that provided NumPy.\n\n{error_message}\n")

numpy/_core/code_generators/generate_numpy_api.py

@@ -192,7 +192,7 @@
 #endif
 
 #endif
-"""
+"""  # noqa: E501
 
 
 c_template = r"""

numpy/_core/memmap.py

@@ -256,7 +256,7 @@ def __new__(subtype, filename, dtype=uint8, mode='r+', offset=0,
                     except TypeError:
                         pass
                 shape = tuple(shape)
-                size = np.intp(1)  # avoid default choice of np.int_, which might overflow
+                size = np.intp(1)  # avoid overflows
                 for k in shape:
                     size *= k
 

ruff.toml

@@ -53,11 +53,13 @@ ignore = [
 
 [lint.per-file-ignores]
 "test*.py" = ["E201", "E714"]
+
 "benchmarks/*py" = ["E501"]
 "numpy/_build_utils/*py" = ["E501"]
-"numpy/__init__.py" = ["E501"]
-"numpy/_core/**" = ["E501"]
-"numpy/core/**" = ["E501"]
+"numpy/_core/tests/**" = ["E501"]
+"numpy/_core/_add_newdocs.py" = ["E501"]
+"numpy/_core/_add_newdocs_scalars.py" = ["E501"]
+"numpy/_core/code_generators/generate_umath.py" = ["E501"]
 "numpy/_typing/*py" = ["E501"]
 "numpy/lib/*py" = ["E501"]
 "numpy/linalg/*py" = ["E501"]