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-rw-r--r--Lib/test/test_ast/test_ast.py7
-rw-r--r--Lib/test/test_base64.py8
-rw-r--r--Lib/test/test_cmd.py8
-rw-r--r--Lib/test/test_csv.py7
-rw-r--r--Lib/test/test_email/test_utils.py10
-rw-r--r--Lib/test/test_enum.py7
-rw-r--r--Lib/test/test_functools.py9
-rw-r--r--Lib/test/test_gettext.py7
-rw-r--r--Lib/test/test_locale.py9
-rw-r--r--Lib/test/test_mimetypes.py7
-rw-r--r--Lib/test/test_optparse.py7
-rw-r--r--Lib/test/test_pathlib/test_pathlib.py7
-rw-r--r--Lib/test/test_pickle.py9
-rw-r--r--Lib/test/test_pprint.py7
-rw-r--r--Lib/test/test_pstats.py7
-rw-r--r--Lib/test/test_shlex.py2
-rw-r--r--Lib/test/test_socket.py9
-rw-r--r--Lib/test/test_string/test_string.py8
-rw-r--r--Lib/test/test_threading.py6
-rw-r--r--Lib/test/test_zipfile/test_core.py9
20 files changed, 139 insertions, 11 deletions
diff --git a/Lib/test/test_ast/test_ast.py b/Lib/test/test_ast/test_ast.py
index 530b5ec428e..09cf3186e05 100644
--- a/Lib/test/test_ast/test_ast.py
+++ b/Lib/test/test_ast/test_ast.py
@@ -26,6 +26,7 @@ from test import support
from test.support import os_helper
from test.support import skip_emscripten_stack_overflow, skip_wasi_stack_overflow
from test.support.ast_helper import ASTTestMixin
+from test.support.import_helper import ensure_lazy_imports
from test.test_ast.utils import to_tuple
from test.test_ast.snippets import (
eval_tests, eval_results, exec_tests, exec_results, single_tests, single_results
@@ -47,6 +48,12 @@ def ast_repr_update_snapshots() -> None:
AST_REPR_DATA_FILE.write_text("\n".join(data))
+class LazyImportTest(unittest.TestCase):
+ @support.cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("ast", {"contextlib", "enum", "inspect", "re", "collections", "argparse"})
+
+
class AST_Tests(unittest.TestCase):
maxDiff = None
diff --git a/Lib/test/test_base64.py b/Lib/test/test_base64.py
index 409c8c109e8..9efebc43d91 100644
--- a/Lib/test/test_base64.py
+++ b/Lib/test/test_base64.py
@@ -3,8 +3,16 @@ import base64
import binascii
import os
from array import array
+from test.support import cpython_only
from test.support import os_helper
from test.support import script_helper
+from test.support.import_helper import ensure_lazy_imports
+
+
+class LazyImportTest(unittest.TestCase):
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("base64", {"re", "getopt"})
class LegacyBase64TestCase(unittest.TestCase):
diff --git a/Lib/test/test_cmd.py b/Lib/test/test_cmd.py
index 0ae44f3987d..dbfec42fc21 100644
--- a/Lib/test/test_cmd.py
+++ b/Lib/test/test_cmd.py
@@ -11,9 +11,15 @@ import unittest
import io
import textwrap
from test import support
-from test.support.import_helper import import_module
+from test.support.import_helper import ensure_lazy_imports, import_module
from test.support.pty_helper import run_pty
+class LazyImportTest(unittest.TestCase):
+ @support.cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("cmd", {"inspect", "string"})
+
+
class samplecmdclass(cmd.Cmd):
"""
Instance the sampleclass:
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py
index 4af8f7f480e..9aace57633b 100644
--- a/Lib/test/test_csv.py
+++ b/Lib/test/test_csv.py
@@ -10,7 +10,8 @@ import csv
import gc
import pickle
from test import support
-from test.support import import_helper, check_disallow_instantiation
+from test.support import cpython_only, import_helper, check_disallow_instantiation
+from test.support.import_helper import ensure_lazy_imports
from itertools import permutations
from textwrap import dedent
from collections import OrderedDict
@@ -1565,6 +1566,10 @@ class MiscTestCase(unittest.TestCase):
def test__all__(self):
support.check__all__(self, csv, ('csv', '_csv'))
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("csv", {"re"})
+
def test_subclassable(self):
# issue 44089
class Foo(csv.Error): ...
diff --git a/Lib/test/test_email/test_utils.py b/Lib/test/test_email/test_utils.py
index 4e6201e13c8..c9d09098b50 100644
--- a/Lib/test/test_email/test_utils.py
+++ b/Lib/test/test_email/test_utils.py
@@ -4,6 +4,16 @@ import test.support
import time
import unittest
+from test.support import cpython_only
+from test.support.import_helper import ensure_lazy_imports
+
+
+class TestImportTime(unittest.TestCase):
+
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("email.utils", {"random", "socket"})
+
class DateTimeTests(unittest.TestCase):
diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index 68cedc666a5..d8cb5261244 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -19,7 +19,8 @@ from io import StringIO
from pickle import dumps, loads, PicklingError, HIGHEST_PROTOCOL
from test import support
from test.support import ALWAYS_EQ, REPO_ROOT
-from test.support import threading_helper
+from test.support import threading_helper, cpython_only
+from test.support.import_helper import ensure_lazy_imports
from datetime import timedelta
python_version = sys.version_info[:2]
@@ -5288,6 +5289,10 @@ class MiscTestCase(unittest.TestCase):
def test__all__(self):
support.check__all__(self, enum, not_exported={'bin', 'show_flag_values'})
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("enum", {"functools", "warnings", "inspect", "re"})
+
def test_doc_1(self):
class Single(Enum):
ONE = 1
diff --git a/Lib/test/test_functools.py b/Lib/test/test_functools.py
index e3b449f2d24..2e794b0fc95 100644
--- a/Lib/test/test_functools.py
+++ b/Lib/test/test_functools.py
@@ -23,6 +23,7 @@ from inspect import Signature
from test.support import import_helper
from test.support import threading_helper
+from test.support import cpython_only
from test.support import EqualToForwardRef
import functools
@@ -63,6 +64,14 @@ class BadTuple(tuple):
class MyDict(dict):
pass
+class TestImportTime(unittest.TestCase):
+
+ @cpython_only
+ def test_lazy_import(self):
+ import_helper.ensure_lazy_imports(
+ "functools", {"os", "weakref", "typing", "annotationlib", "warnings"}
+ )
+
class TestPartial:
diff --git a/Lib/test/test_gettext.py b/Lib/test/test_gettext.py
index 585ed08ea14..33b7d75e3ff 100644
--- a/Lib/test/test_gettext.py
+++ b/Lib/test/test_gettext.py
@@ -6,7 +6,8 @@ import unittest.mock
from functools import partial
from test import support
-from test.support import os_helper
+from test.support import cpython_only, os_helper
+from test.support.import_helper import ensure_lazy_imports
# TODO:
@@ -931,6 +932,10 @@ class MiscTestCase(unittest.TestCase):
support.check__all__(self, gettext,
not_exported={'c2py', 'ENOENT'})
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("gettext", {"re", "warnings", "locale"})
+
if __name__ == '__main__':
unittest.main()
diff --git a/Lib/test/test_locale.py b/Lib/test/test_locale.py
index 528ceef5281..455d2af37ef 100644
--- a/Lib/test/test_locale.py
+++ b/Lib/test/test_locale.py
@@ -1,13 +1,18 @@
from decimal import Decimal
-from test.support import verbose, is_android, linked_to_musl, os_helper
+from test.support import cpython_only, verbose, is_android, linked_to_musl, os_helper
from test.support.warnings_helper import check_warnings
-from test.support.import_helper import import_fresh_module
+from test.support.import_helper import ensure_lazy_imports, import_fresh_module
from unittest import mock
import unittest
import locale
import sys
import codecs
+class LazyImportTest(unittest.TestCase):
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("locale", {"re", "warnings"})
+
class BaseLocalizedTest(unittest.TestCase):
#
diff --git a/Lib/test/test_mimetypes.py b/Lib/test/test_mimetypes.py
index 1db3277e390..fb57d5e5544 100644
--- a/Lib/test/test_mimetypes.py
+++ b/Lib/test/test_mimetypes.py
@@ -6,7 +6,8 @@ import sys
import unittest.mock
from platform import win32_edition
from test import support
-from test.support import force_not_colorized, os_helper
+from test.support import cpython_only, force_not_colorized, os_helper
+from test.support.import_helper import ensure_lazy_imports
try:
import _winapi
@@ -435,6 +436,10 @@ class MiscTestCase(unittest.TestCase):
def test__all__(self):
support.check__all__(self, mimetypes)
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("mimetypes", {"os", "posixpath", "urllib.parse", "argparse"})
+
class CommandLineTest(unittest.TestCase):
@force_not_colorized
diff --git a/Lib/test/test_optparse.py b/Lib/test/test_optparse.py
index 8655a0537a5..e6ffd2b0ffe 100644
--- a/Lib/test/test_optparse.py
+++ b/Lib/test/test_optparse.py
@@ -14,8 +14,9 @@ import unittest
from io import StringIO
from test import support
-from test.support import os_helper
+from test.support import cpython_only, os_helper
from test.support.i18n_helper import TestTranslationsBase, update_translation_snapshots
+from test.support.import_helper import ensure_lazy_imports
import optparse
from optparse import make_option, Option, \
@@ -1655,6 +1656,10 @@ class MiscTestCase(unittest.TestCase):
not_exported = {'check_builtin', 'AmbiguousOptionError', 'NO_DEFAULT'}
support.check__all__(self, optparse, not_exported=not_exported)
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("optparse", {"textwrap"})
+
class TestTranslations(TestTranslationsBase):
def test_translations(self):
diff --git a/Lib/test/test_pathlib/test_pathlib.py b/Lib/test/test_pathlib/test_pathlib.py
index e23dac3c25f..8a313cc4292 100644
--- a/Lib/test/test_pathlib/test_pathlib.py
+++ b/Lib/test/test_pathlib/test_pathlib.py
@@ -16,6 +16,7 @@ from unittest import mock
from urllib.request import pathname2url
from test.support import import_helper
+from test.support import cpython_only
from test.support import is_emscripten, is_wasi
from test.support import infinite_recursion
from test.support import os_helper
@@ -80,6 +81,12 @@ class UnsupportedOperationTest(unittest.TestCase):
self.assertTrue(isinstance(pathlib.UnsupportedOperation(), NotImplementedError))
+class LazyImportTest(unittest.TestCase):
+ @cpython_only
+ def test_lazy_import(self):
+ import_helper.ensure_lazy_imports("pathlib", {"shutil"})
+
+
#
# Tests for the pure classes.
#
diff --git a/Lib/test/test_pickle.py b/Lib/test/test_pickle.py
index 3b46e524aac..742ca8de1be 100644
--- a/Lib/test/test_pickle.py
+++ b/Lib/test/test_pickle.py
@@ -15,7 +15,8 @@ from textwrap import dedent
import doctest
import unittest
from test import support
-from test.support import import_helper, os_helper
+from test.support import cpython_only, import_helper, os_helper
+from test.support.import_helper import ensure_lazy_imports
from test.pickletester import AbstractHookTests
from test.pickletester import AbstractUnpickleTests
@@ -36,6 +37,12 @@ except ImportError:
has_c_implementation = False
+class LazyImportTest(unittest.TestCase):
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("pickle", {"re"})
+
+
class PyPickleTests(AbstractPickleModuleTests, unittest.TestCase):
dump = staticmethod(pickle._dump)
dumps = staticmethod(pickle._dumps)
diff --git a/Lib/test/test_pprint.py b/Lib/test/test_pprint.py
index dfbc2a06e73..f68996f72b1 100644
--- a/Lib/test/test_pprint.py
+++ b/Lib/test/test_pprint.py
@@ -11,6 +11,9 @@ import re
import types
import unittest
+from test.support import cpython_only
+from test.support.import_helper import ensure_lazy_imports
+
# list, tuple and dict subclasses that do or don't overwrite __repr__
class list2(list):
pass
@@ -129,6 +132,10 @@ class QueryTestCase(unittest.TestCase):
self.b = list(range(200))
self.a[-12] = self.b
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("pprint", {"dataclasses", "re"})
+
def test_init(self):
pp = pprint.PrettyPrinter()
pp = pprint.PrettyPrinter(indent=4, width=40, depth=5,
diff --git a/Lib/test/test_pstats.py b/Lib/test/test_pstats.py
index d5a5a9738c2..a26a8c1d522 100644
--- a/Lib/test/test_pstats.py
+++ b/Lib/test/test_pstats.py
@@ -1,6 +1,7 @@
import unittest
from test import support
+from test.support.import_helper import ensure_lazy_imports
from io import StringIO
from pstats import SortKey
from enum import StrEnum, _test_simple_enum
@@ -10,6 +11,12 @@ import pstats
import tempfile
import cProfile
+class LazyImportTest(unittest.TestCase):
+ @support.cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("pstats", {"typing"})
+
+
class AddCallersTestCase(unittest.TestCase):
"""Tests for pstats.add_callers helper."""
diff --git a/Lib/test/test_shlex.py b/Lib/test/test_shlex.py
index f35571ea886..a13ddcb76b7 100644
--- a/Lib/test/test_shlex.py
+++ b/Lib/test/test_shlex.py
@@ -3,6 +3,7 @@ import itertools
import shlex
import string
import unittest
+from test.support import cpython_only
from test.support import import_helper
@@ -364,6 +365,7 @@ class ShlexTest(unittest.TestCase):
with self.assertRaises(AttributeError):
shlex_instance.punctuation_chars = False
+ @cpython_only
def test_lazy_imports(self):
import_helper.ensure_lazy_imports('shlex', {'collections', 're', 'os'})
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index ace97ce0cbe..03c54151a22 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -2,8 +2,9 @@ import unittest
from unittest import mock
from test import support
from test.support import (
- is_apple, os_helper, refleak_helper, socket_helper, threading_helper
+ cpython_only, is_apple, os_helper, refleak_helper, socket_helper, threading_helper
)
+from test.support.import_helper import ensure_lazy_imports
import _thread as thread
import array
import contextlib
@@ -257,6 +258,12 @@ HAVE_SOCKET_HYPERV = _have_socket_hyperv()
# Size in bytes of the int type
SIZEOF_INT = array.array("i").itemsize
+class TestLazyImport(unittest.TestCase):
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("socket", {"array", "selectors"})
+
+
class SocketTCPTest(unittest.TestCase):
def setUp(self):
diff --git a/Lib/test/test_string/test_string.py b/Lib/test/test_string/test_string.py
index f6d112d8a93..5394fe4e12c 100644
--- a/Lib/test/test_string/test_string.py
+++ b/Lib/test/test_string/test_string.py
@@ -2,6 +2,14 @@ import unittest
import string
from string import Template
import types
+from test.support import cpython_only
+from test.support.import_helper import ensure_lazy_imports
+
+
+class LazyImportTest(unittest.TestCase):
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("base64", {"re", "collections"})
class ModuleTest(unittest.TestCase):
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
index 814c00ca0fd..4ab38c2598b 100644
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -5,7 +5,7 @@ Tests for the threading module.
import test.support
from test.support import threading_helper, requires_subprocess, requires_gil_enabled
from test.support import verbose, cpython_only, os_helper
-from test.support.import_helper import import_module
+from test.support.import_helper import ensure_lazy_imports, import_module
from test.support.script_helper import assert_python_ok, assert_python_failure
from test.support import force_not_colorized
@@ -121,6 +121,10 @@ class ThreadTests(BaseTestCase):
maxDiff = 9999
@cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("threading", {"functools", "warnings"})
+
+ @cpython_only
def test_name(self):
def func(): pass
diff --git a/Lib/test/test_zipfile/test_core.py b/Lib/test/test_zipfile/test_core.py
index 7c8a82d821a..4c9d9f4b562 100644
--- a/Lib/test/test_zipfile/test_core.py
+++ b/Lib/test/test_zipfile/test_core.py
@@ -24,10 +24,12 @@ from test.support import script_helper, os_helper
from test.support import (
findfile, requires_zlib, requires_bz2, requires_lzma,
captured_stdout, captured_stderr, requires_subprocess,
+ cpython_only
)
from test.support.os_helper import (
TESTFN, unlink, rmtree, temp_dir, temp_cwd, fd_count, FakePath
)
+from test.support.import_helper import ensure_lazy_imports
TESTFN2 = TESTFN + "2"
@@ -49,6 +51,13 @@ def get_files(test):
yield f
test.assertFalse(f.closed)
+
+class LazyImportTest(unittest.TestCase):
+ @cpython_only
+ def test_lazy_import(self):
+ ensure_lazy_imports("zipfile", {"typing"})
+
+
class AbstractTestsWithSourceFile:
@classmethod
def setUpClass(cls):
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-06 11:41:38 +0000