Add _warn_deprecated()

IPython/utils/tz.py

@@ -1,75 +1,84 b''
 # encoding: utf-8
 """
 Timezone utilities
 
 Just UTC-awareness right now
 
 Deprecated since IPython 8.19.0.
 """
 
 # -----------------------------------------------------------------------------
 #  Copyright (C) 2013 The IPython Development Team
 #
 #  Distributed under the terms of the BSD License.  The full license is in
 #  the file COPYING, distributed as part of this software.
 # -----------------------------------------------------------------------------
 
 # -----------------------------------------------------------------------------
 # Imports
 # -----------------------------------------------------------------------------
 
 import warnings
 from datetime import tzinfo, timedelta, datetime
 
 # -----------------------------------------------------------------------------
 # Code
 # -----------------------------------------------------------------------------
-
 __all__ = ["tzUTC", "utc_aware", "utcfromtimestamp", "utcnow"]
 
+# Enable display of DeprecrationWarning for this module explicitly.
+warnings.filterwarnings("default", category=DeprecationWarning, module=__name__)
+
 # constant for zero offset
 ZERO = timedelta(0)
 
 
 def __getattr__(name):
     if name not in __all__:
         err = f"IPython.utils.tz is deprecated and has no attribute {name}"
         raise AttributeError(err)
 
-    msg = "The module `IPython.utils.tz` is deprecated and will be completely removed."
-    warnings.warn(msg, category=DeprecationWarning, stacklevel=2)
+    _warn_deprecated()
 
     return getattr(name)
 
 
+def _warn_deprecated():
+    msg = "The module `IPython.utils.tz` is deprecated and will be completely removed."
+    warnings.warn(msg, category=DeprecationWarning, stacklevel=2)
+
+
 class tzUTC(tzinfo):
     """tzinfo object for UTC (zero offset)
 
     Deprecated since IPython 8.19.0.
     """
 
+    _warn_deprecated()
+
     def utcoffset(self, d):
         return ZERO
 
     def dst(self, d):
         return ZERO
 
 
 UTC = tzUTC()  # type: ignore[abstract]
 
 
 def utc_aware(unaware):
     """decorator for adding UTC tzinfo to datetime's utcfoo methods
 
     Deprecated since IPython 8.19.0.
     """
 
     def utc_method(*args, **kwargs):
+        _warn_deprecated()
         dt = unaware(*args, **kwargs)
         return dt.replace(tzinfo=UTC)
 
     return utc_method
 
 
 utcfromtimestamp = utc_aware(datetime.utcfromtimestamp)
 utcnow = utc_aware(datetime.utcnow)