FIX: fixed warning message stack level on Python < 3.12

Author: gdementen

larray/core/axis.py

@@ -17,7 +17,7 @@
 from larray.util.misc import (duplicates, array_lookup2, ReprString, index_by_id, renamed_to, LHDFStore,
                               lazy_attribute, _isnoneslice, unique_list, unique_multi, Product, argsort, has_duplicates,
                               exactly_one, concatenate_ndarrays)
-from larray.util.misc import first, find_names
+from larray.util.misc import first, find_names, PY312_OR_LATER
 from larray.util.types import Scalar
 
 
@@ -2921,7 +2921,8 @@ def _guess_axis(self, axis_key):
                 #       behavior, we must wait for a future release, and we
                 #       only output a warning for now (see #1117)
                 # return axis_key.retarget_to(real_axis)
-                check_warn_retarget(axis_key, real_axis, stacklevel=8)
+                stack_level = 8 if PY312_OR_LATER else 9
+                check_warn_retarget(axis_key, real_axis, stacklevel=stack_level)
                 return axis_key.with_axis(real_axis)
 
         real_axis, axis_pos_key = self._translate_nice_key(axis_key)

larray/core/group.py

@@ -1,5 +1,3 @@
-import sys
-
 import fnmatch
 import re
 import warnings
@@ -12,13 +10,13 @@
 
 from larray.core.abstractbases import ABCAxis, ABCAxisReference, ABCArray
 from larray.util.oset import OrderedSet
-from larray.util.misc import (unique_list, find_closing_chr, _parse_bound, _seq_summary, _isintstring, renamed_to,
-                              LHDFStore)
+from larray.util.misc import (
+    unique_list, find_closing_chr, _parse_bound, _seq_summary, _isintstring,
+    renamed_to, LHDFStore, PY312_OR_LATER
+)
 from larray.util.types import Scalar, Key
 
 
-PY312_OR_LATER = sys.version_info[:2] >= (3, 12)
-
 def _slice_to_str(key: slice, repr_func=str) -> str:
     r"""
     Convert a slice to a string.

larray/util/misc.py

@@ -1130,3 +1130,6 @@ def find_names(obj, depth=0):
     if any(not name.startswith('_') for name in names):
         names = [name for name in names if not name.startswith('_')]
     return sorted(names)
+
+
+PY312_OR_LATER = sys.version_info[:2] >= (3, 12)