API: remove selected numpy.lib warning suppressions

numpy · rgommers · Jun 14, 2023 · May 28, 2023 · Jun 10, 2023 · Jun 14, 2023
commit 22d9ffb1d9d68ea5eafa9a348f547b4d3a9af72c
diff --git a/numpy/core/_methods.py b/numpy/core/_methods.py
@@ -12,6 +12,7 @@
 from numpy.core import umath as um
 from numpy.core.multiarray import asanyarray
 from numpy.core import numerictypes as nt
+from numpy.core import _exceptions
 from numpy.core._ufunc_config import _no_nep50_warning
 from numpy._globals import _NoValue
 

diff --git a/numpy/lib/format.py b/numpy/lib/format.py
@@ -167,7 +167,7 @@
 import warnings
 
 import numpy
-from numpy.lib.utils import safe_eval, drop_metadata
+from numpy.lib.utils import drop_metadata
 
 
 __all__ = []
@@ -591,6 +591,7 @@ def _read_array_header(fp, version, max_header_size=_MAX_HEADER_SIZE):
     """
     # Read an unsigned, little-endian short int which has the length of the
     # header.
+    import ast
     import struct
     hinfo = _header_size_info.get(version)
     if hinfo is None:
@@ -621,12 +622,12 @@ def _read_array_header(fp, version, max_header_size=_MAX_HEADER_SIZE):
     #
     # For performance reasons, we try without _filter_header first though
     try:
-        d = safe_eval(header)
+        d = ast.literal_eval(header)
     except SyntaxError as e:
         if version <= (2, 0):
             header = _filter_header(header)
             try:
-                d = safe_eval(header)
+                d = ast.literal_eval(header)
             except SyntaxError as e2:
                 msg = "Cannot parse header: {!r}"
                 raise ValueError(msg.format(header)) from e2

diff --git a/numpy/lib/tests/test_regression.py b/numpy/lib/tests/test_regression.py
@@ -5,6 +5,7 @@

8000
     assert_, assert_equal, assert_array_equal, assert_array_almost_equal,
     assert_raises, _assert_valid_refcount,
     )
+import pytest
 
 
 class TestRegression:
@@ -157,6 +158,7 @@ def test_void_coercion(self):
         x = np.zeros((1,), dt)
         assert_(np.r_[x, x].dtype == dt)
 
+    @pytest.mark.filterwarnings("ignore:.*who.*:DeprecationWarning")
     def test_who_with_0dim_array(self):
         # ticket #1243
         import os

diff --git a/numpy/lib/tests/test_utils.py b/numpy/lib/tests/test_utils.py
@@ -120,11 +120,13 @@ def test_deprecate_module():
     assert_(old_func.__module__ == __name__)
 
 
+@pytest.mark.filterwarnings("ignore:.*safe_eval.*:DeprecationWarning")
 def test_safe_eval_nameconstant():
     # Test if safe_eval supports Python 3.4 _ast.NameConstant
     utils.safe_eval('None')
 
 
+@pytest.mark.filterwarnings("ignore:.*byte_bounds.*:DeprecationWarning")
 class TestByteBounds:
 
     def test_byte_bounds(self):

diff --git a/pytest.ini b/pytest.ini
@@ -27,7 +27,3 @@ filterwarnings =
     ignore:\n\n  `numpy.distutils`:DeprecationWarning
 # Ignore mypy >= 0.971 DeprecationWarnings
     ignore:path is deprecated\. Use files\(\) instead:DeprecationWarning:mypy
-# Ignore selected DeprecationWarnings from numpy.lib
-    ignore:.*`safe_eval` is deprecated!:DeprecationWarning
-    ignore:.*`byte_bounds` is deprecated!:DeprecationWarning
-    ignore:.*`who` is deprecated!:DeprecationWarning