python · donBarbos · Feb 7, 2025 · Feb 7, 2025 · Feb 7, 2025 · Feb 7, 2025
diff --git a/Lib/codeop.py b/Lib/codeop.py
@@ -33,7 +33,6 @@
 """
 
 import __future__
-import warnings
 
 _features = [getattr(__future__, fname)
              for fname in __future__.all_feature_names]
@@ -57,6 +56,8 @@ def _maybe_compile(compiler, source, filename, symbol):
         if symbol != "eval":
             source = "pass"     # Replace it with a 'pass' statement
 
+    import warnings
+
     # Disable compiler warnings when checking for incomplete input.
     with warnings.catch_warnings():
         warnings.simplefilter("ignore", (SyntaxWarning, DeprecationWarning))

diff --git a/Lib/ctypes/_layout.py b/Lib/ctypes/_layout.py
@@ -5,8 +5,6 @@
 """
 
 import sys
-import warnings
-import struct
 
 from _ctypes import CField, buffer_info
 import ctypes

@@ -3,7 +3,6 @@
 Implements the HMAC algorithm as described by RFC 2104.
 """
 
-import warnings as _warnings
 try:
     import _hashlib as _hashopenssl
 except ImportError:
@@ -81,15 +80,17 @@ def _init_old(self, key, msg, digestmod):
         self._inner = digest_cons()
         self.digest_size = self._inner.digest_size
 
+        import warnings
+
         if hasattr(self._inner, 'block_size'):
             blocksize = self._inner.block_size
             if blocksize < 16:
-                _warnings.warn('block_size of %d seems too small; using our '
-                               'default of %d.' % (blocksize, self.blocksize),
-                               RuntimeWarning, 2)
+                warnings.warn('block_size of %d seems too small; using our '
+                              'default of %d.' % (blocksize, self.blocksize),
+                              RuntimeWarning, 2)
                 blocksize = self.blocksize
         else:
-            _warnings.warn('No block_size attribute on given digest object; '
+            warnings.warn('No block_size attribute on given digest object; '
                            'Assuming %d.' % (self.blocksize),
                            RuntimeWarning, 2)
             blocksize = self.blocksize

@@ -12,7 +12,6 @@
 import zipfile
 import operator
 import textwrap
-import warnings
 import functools
 import itertools
 import posixpath
@@ -341,6 +340,7 @@ def __new__(cls, *args, **kwargs):
             if getattr(getattr(cls, name), '__isabstractmethod__', False)
         }
         if abstract:
+            import warnings
             warnings.warn(
                 f"Unimplemented abstract methods {abstract}",
                 DeprecationWarning,

@@ -6,7 +6,6 @@
 import types
 import importlib
 import inspect
-import warnings
 import itertools
 
 from typing import Union, Optional, cast
@@ -35,6 +34,7 @@ def wrapper(anchor=undefined, package=undefined):
         if package is not undefined:
             if anchor is not undefined:
                 return func(anchor, package)
+            import warnings
             warnings.warn(
                 "First parameter to files is renamed to 'anchor'",
                 DeprecationWarning,

@@ -1,7 +1,5 @@
 """Simplified function-based API for importlib.resources"""
 
-import warnings
-
 from ._common import files, as_file
 
 
@@ -51,6 +49,7 @@ def contents(anchor, *path_names):
     The iterable returns :class:`str` resources (e.g. files).
     The iterable does not recurse into subdirectories.
     """
+    import warnings
     warnings.warn(
         "importlib.resources.contents is deprecated. "
         "Use files(anchor).iterdir() instead.",

@@ -6,7 +6,6 @@
 import pathlib
 import operator
 import re
-import warnings
 import zipfile
 from collections.abc import Iterator
 
@@ -194,6 +193,7 @@ def _ensure_traversable(path):
     if not isinstance(path, str):
         return path
 
+    import warnings
     warnings.warn(
         "String arguments are deprecated. Pass a Traversable instead.",
         DeprecationWarning,

@@ -23,7 +23,7 @@
 To use, simply 'import logging' and log away!
 """
 
-import sys, os, time, io, re, traceback, warnings, weakref, collections.abc
+import sys, os, time, io, re, traceback, weakref, collections.abc
 
 from types import GenericAlias
 from string import Template
@@ -1531,6 +1531,7 @@ def warning(self, msg, *args, **kwargs):
             self._log(WARNING, msg, args, **kwargs)
 
     def warn(self, msg, *args, **kwargs):
+        import warnings
         warnings.warn("The 'warn' method is deprecated, "
             "use 'warning' instead", DeprecationWarning, 2)
         self.warning(msg, *args, **kwargs)
@@ -1912,6 +1913,7 @@ def warning(self, msg, *args, **kwargs):
         self.log(WARNING, msg, *args, **kwargs)
 
     def warn(self, msg, *args, **kwargs):
+        import warnings
         warnings.warn("The 'warn' method is deprecated, "
             "use 'warning' instead", DeprecationWarning, 2)
         self.warning(msg, *args, **kwargs)
@@ -2180,6 +2182,7 @@ def warning(msg, *args, **kwargs):
     root.warning(msg, *args, **kwargs)
 
 def warn(msg, *args, **kwargs):
+    import warnings
     warnings.warn("The 'warn' function is deprecated, "
         "use 'warning' instead", DeprecationWarning, 2)
     warning(msg, *args, **kwargs)
@@ -2299,6 +2302,7 @@ def _showwarning(message, category, filename, lineno, file=None, line=None):
         if _warnings_showwarning is not None:
             _warnings_showwarning(message, category, filename, lineno, file, line)
     else:
+        import warnings
         s = warnings.formatwarning(message, category, filename, lineno, line)
         logger = getLogger("py.warnings")
         if not logger.handlers:
@@ -2316,9 +2320,11 @@ def captureWarnings(capture):
     global _warnings_showwarning
     if capture:
         if _warnings_showwarning is None:
+            import warnings
             _warnings_showwarning = warnings.showwarning
             warnings.showwarning = _showwarning
     else:
         if _warnings_showwarning is not None:
+            import warnings
             warnings.showwarning = _warnings_showwarning
             _warnings_showwarning = None
@@ -8,8 +8,6 @@
 import os
 import os.path
 import sys
-from types import ModuleType
-import warnings
 
 __all__ = [
     'get_importer', 'iter_importers',

diff --git a/Lib/pydoc.py b/Lib/pydoc.py
@@ -71,7 +71,6 @@ class or function within a module or module in a package.  If the
 import time
 import tokenize
 import urllib.parse
-import warnings
 from annotationlib import Format
 from collections import deque
 from reprlib import Repr
@@ -376,6 +375,7 @@ def sort_attributes(attrs, object):
 
 def ispackage(path):
     """Guess whether a path refers to a package directory."""
+    import warnings
     warnings.warn('The pydoc.ispackage() function is deprecated',
                   DeprecationWarning, stacklevel=2)
     if os.path.isdir(path):
@@ -394,6 +394,7 @@ def source_synopsis(file):
             if tok_type == tokenize.STRING:
                 string += tok_string
             elif tok_type == tokenize.NEWLINE:
+                import warnings
                 with warnings.catch_warnings():
                     # Ignore the "invalid escape sequence" warning.
                     warnings.simplefilter("ignore", SyntaxWarning)
@@ -457,6 +458,7 @@ def __init__(self, filename, exc_info):
             self.value = exc_info
             self.tb = exc_info.__traceback__
         else:
+            import warnings
             warnings.warn("A tuple value for exc_info is deprecated, use an exception instance",
                           DeprecationWarning)
 
@@ -2294,6 +2296,7 @@ def callback(path, modname, desc):
         print(modname, desc and '- ' + desc)
     def onerror(modname):
         pass
+    import warnings
     with warnings.catch_warnings():
         warnings.filterwarnings('ignore') # ignore problems during import
         ModuleScanner().run(callback, key, onerror=onerror)
@@ -2543,6 +2546,7 @@ def callback(path, modname, desc):
                 modname = modname[:-9] + ' (package)'
             search_result.append((modname, desc and '- ' + desc))
 
+        import warnings
         with warnings.catch_warnings():
             warnings.filterwarnings('ignore') # ignore problems during import
             def onerror(modname):

diff --git a/Lib/rlcompleter.py b/Lib/rlcompleter.py
@@ -35,7 +35,6 @@
 import keyword
 import re
 import __main__
-import warnings
 
 __all__ = ["Completer"]
 
@@ -89,6 +88,7 @@ def complete(self, text, state):
                 return None
 
         if state == 0:
+            import warnings
             with warnings.catch_warnings(action="ignore"):
                 if "." in text:
                     self.matches = self.attr_matches(text)

@@ -262,7 +262,6 @@ class _TLSMessageType:
 import socket as _socket
 import base64        # for DER-to-PEM translation
 import errno
-import warnings
 
 
 socket_error = OSError  # keep that public name in module namespace
@@ -429,6 +428,7 @@ class SSLContext(_SSLContext):
 
     def __new__(cls, protocol=None, *args, **kwargs):
         if protocol is None:
+            import warnings
             warnings.warn(
                 "ssl.SSLContext() without protocol argument is deprecated.",
                 category=DeprecationWarning,
@@ -473,6 +473,7 @@ def wrap_bio(self, incoming, outgoing, server_side=False,
         )
 
     def set_npn_protocols(self, npn_protocols):
+        import warnings
         warnings.warn(
             "ssl NPN is deprecated, use ALPN instead",
             DeprecationWarning,
@@ -521,8 +522,10 @@ def _load_windows_store_certs(self, storename, purpose):
                         try:
                             self.load_verify_locations(cadata=cert)
                         except SSLError as exc:
+                            import warnings
                             warnings.warn(f"Bad certificate in Windows certificate store: {exc!s}")
         except PermissionError:
+            import warnings
             warnings.warn("unable to enumerate Windows certificate store")
 
     def load_default_certs(self, purpose=Purpose.SERVER_AUTH):
@@ -914,6 +917,7 @@ def selected_npn_protocol(self):
         """Return the currently selected NPN protocol as a string, or ``None``
         if a next protocol was not negotiated or if NPN is not supported by one
         of the peers."""
+        import warnings
         warnings.warn(
             "ssl NPN is deprecated, use ALPN instead",
             DeprecationWarning,
@@ -1183,6 +1187,7 @@ def get_unverified_chain(self):
     @_sslcopydoc
     def selected_npn_protocol(self):
         self._checkClosed()
+        import warnings
         warnings.warn(
             "ssl NPN is deprecated, use ALPN instead",
             DeprecationWarning,

diff --git a/Lib/tempfile.py b/Lib/tempfile.py
@@ -37,7 +37,6 @@
 # Imports.
 
 import functools as _functools
-import warnings as _warnings
 import io as _io
 import os as _os
 import shutil as _shutil
@@ -480,7 +479,8 @@ def __del__(self):
         close_called = self.close_called
         self.cleanup()
         if not close_called:
-            _warnings.warn(self.warn_message, ResourceWarning)
+            import warnings
+            warnings.warn(self.warn_message, ResourceWarning)
 
 
 class _TemporaryFileWrapper:
@@ -769,7 +769,8 @@ def __iter__(self):
 
     def __del__(self):
         if not self.closed:
-            _warnings.warn(
+            import warnings
+            warnings.warn(
                 "Unclosed file {!r}".format(self),
                 ResourceWarning,
                 stacklevel=2,
@@ -953,7 +954,8 @@ def onexc(func, path, exc):
     def _cleanup(cls, name, warn_message, ignore_errors=False, delete=True):
         if delete:
             cls._rmtree(name, ignore_errors=ignore_errors)
-            _warnings.warn(warn_message, ResourceWarning)
+            import warnings
+            warnings.warn(warn_message, ResourceWarning)
 
     def __repr__(self):
         return "<{} {!r}>".format(self.__class__.__name__, self.name)

diff --git a/Lib/traceback.py b/Lib/traceback.py
@@ -5,7 +5,6 @@
 import linecache
 import sys
 import textwrap
-import warnings
 from contextlib import suppress
 import _colorize
 from _colorize import ANSIColors
@@ -1178,6 +1177,7 @@ def from_exception(cls, exc, *args, **kwargs):
 
     @property
     def exc_type(self):
+        import warnings
         warnings.warn('Deprecated in 3.13. Use exc_type_str instead.',
                       DeprecationWarning, stacklevel=2)
         return self._exc_type