import tempfile
import os
+from test import support
+
try:
import _testcapi
except ImportError:
def tearDown(self):
"""Clean up any test modules from sys.modules."""
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_basic_unused(self):
"""Lazy imported module should not be loaded if never accessed."""
- import test.test_import.data.lazy_imports.basic_unused
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
- self.assertIn("test.test_import.data.lazy_imports", sys.lazy_modules)
- self.assertEqual(sys.lazy_modules["test.test_import.data.lazy_imports"], {"basic2"})
+ import test.test_lazy_import.data.basic_unused
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
+ self.assertIn("test.test_lazy_import.data", sys.lazy_modules)
+ self.assertEqual(sys.lazy_modules["test.test_lazy_import.data"], {"basic2"})
def test_sys_lazy_modules(self):
try:
- import test.test_import.data.lazy_imports.basic_from_unused
+ import test.test_lazy_import.data.basic_from_unused
except ImportError as e:
self.fail('lazy import failed')
- self.assertFalse("test.test_import.data.lazy_imports.basic2" in sys.modules)
- self.assertIn("test.test_import.data.lazy_imports", sys.lazy_modules)
- self.assertEqual(sys.lazy_modules["test.test_import.data.lazy_imports"], {"basic2"})
- test.test_import.data.lazy_imports.basic_from_unused.basic2
+ self.assertFalse("test.test_lazy_import.data.basic2" in sys.modules)
+ self.assertIn("test.test_lazy_import.data", sys.lazy_modules)
+ self.assertEqual(sys.lazy_modules["test.test_lazy_import.data"], {"basic2"})
+ test.test_lazy_import.data.basic_from_unused.basic2
self.assertNotIn("test.test_import.data", sys.lazy_modules)
def test_basic_unused_use_externally(self):
"""Lazy import should load module when accessed from outside."""
- from test.test_import.data.lazy_imports import basic_unused
+ from test.test_lazy_import.data import basic_unused
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
- x = basic_unused.test.test_import.data.lazy_imports.basic2
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
+ x = basic_unused.test.test_lazy_import.data.basic2
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_basic_from_unused_use_externally(self):
"""Lazy 'from' import should load when accessed from outside."""
- from test.test_import.data.lazy_imports import basic_from_unused
+ from test.test_lazy_import.data import basic_from_unused
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
x = basic_from_unused.basic2
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_basic_unused_dir(self):
"""dir() on module should not trigger lazy import reification."""
- import test.test_import.data.lazy_imports.basic_unused
+ import test.test_lazy_import.data.basic_unused
- x = dir(test.test_import.data.lazy_imports.basic_unused)
+ x = dir(test.test_lazy_import.data.basic_unused)
self.assertIn("test", x)
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
def test_basic_dir(self):
"""dir() at module scope should not trigger lazy import reification."""
- from test.test_import.data.lazy_imports import basic_dir
+ from test.test_lazy_import.data import basic_dir
self.assertIn("test", basic_dir.x)
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
def test_basic_used(self):
"""Lazy import should load when accessed within the module."""
- import test.test_import.data.lazy_imports.basic_used
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.basic_used
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
class GlobalLazyImportModeTests(unittest.TestCase):
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_global_off(self):
"""Mode 'none' should disable lazy imports entirely."""
- import test.test_import.data.lazy_imports.global_off
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.global_off
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_global_on(self):
"""Mode 'all' should make regular imports lazy."""
- import test.test_import.data.lazy_imports.global_on
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.global_on
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
def test_global_filter(self):
"""Filter returning False should prevent lazy loading."""
- import test.test_import.data.lazy_imports.global_filter
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.global_filter
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_global_filter_true(self):
"""Filter returning True should allow lazy loading."""
- import test.test_import.data.lazy_imports.global_filter_true
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.global_filter_true
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
def test_global_filter_from(self):
"""Filter should work with 'from' imports."""
- import test.test_import.data.lazy_imports.global_filter_from
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.global_filter_from
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_global_filter_from_true(self):
"""Filter returning True should allow lazy 'from' imports."""
- import test.test_import.data.lazy_imports.global_filter_from_true
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.global_filter_from_true
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
class CompatibilityModeTests(unittest.TestCase):
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_compatibility_mode(self):
"""__lazy_modules__ should enable lazy imports for listed modules."""
- import test.test_import.data.lazy_imports.basic_compatibility_mode
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.basic_compatibility_mode
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
def test_compatibility_mode_used(self):
"""Using a lazy import from __lazy_modules__ should load the module."""
- import test.test_import.data.lazy_imports.basic_compatibility_mode_used
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.basic_compatibility_mode_used
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_compatibility_mode_func(self):
"""Imports inside functions should be eager even in compatibility mode."""
- import test.test_import.data.lazy_imports.compatibility_mode_func
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.compatibility_mode_func
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_compatibility_mode_try_except(self):
"""Imports in try/except should be eager even in compatibility mode."""
- import test.test_import.data.lazy_imports.compatibility_mode_try_except
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.compatibility_mode_try_except
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_compatibility_mode_relative(self):
"""__lazy_modules__ should work with relative imports."""
- import test.test_import.data.lazy_imports.basic_compatibility_mode_relative
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.basic_compatibility_mode_relative
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
class ModuleIntrospectionTests(unittest.TestCase):
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_modules_dict(self):
"""Accessing module.__dict__ should not trigger reification."""
- import test.test_import.data.lazy_imports.modules_dict
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.modules_dict
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
def test_modules_getattr(self):
"""Module __getattr__ for lazy import name should trigger reification."""
- import test.test_import.data.lazy_imports.modules_getattr
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.modules_getattr
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_modules_getattr_other(self):
"""Module __getattr__ for other names should not trigger reification."""
- import test.test_import.data.lazy_imports.modules_getattr_other
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.modules_getattr_other
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
class LazyImportTypeTests(unittest.TestCase):
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_lazy_value_resolve(self):
"""resolve() method should force the lazy import to load."""
- import test.test_import.data.lazy_imports.lazy_get_value
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.lazy_get_value
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_lazy_import_type_exposed(self):
"""LazyImportType should be exposed in types module."""
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_lazy_try_except(self):
"""lazy import inside try/except should raise SyntaxError."""
with self.assertRaises(SyntaxError):
- import test.test_import.data.lazy_imports.badsyntax.lazy_try_except
+ import test.test_lazy_import.data.badsyntax.lazy_try_except
def test_lazy_try_except_from(self):
"""lazy from import inside try/except should raise SyntaxError."""
with self.assertRaises(SyntaxError):
- import test.test_import.data.lazy_imports.badsyntax.lazy_try_except_from
+ import test.test_lazy_import.data.badsyntax.lazy_try_except_from
def test_lazy_try_except_from_star(self):
"""lazy from import * should raise SyntaxError."""
with self.assertRaises(SyntaxError):
- import test.test_import.data.lazy_imports.badsyntax.lazy_try_except_from_star
+ import test.test_lazy_import.data.badsyntax.lazy_try_except_from_star
def test_lazy_future_import(self):
"""lazy from __future__ import should raise SyntaxError."""
with self.assertRaises(SyntaxError) as cm:
- import test.test_import.data.lazy_imports.badsyntax.lazy_future_import
+ import test.test_lazy_import.data.badsyntax.lazy_future_import
# Check we highlight 'lazy' (column offset 0, end offset 4)
self.assertEqual(cm.exception.offset, 1)
self.assertEqual(cm.exception.end_offset, 5)
def test_lazy_import_func(self):
"""lazy import inside function should raise SyntaxError."""
with self.assertRaises(SyntaxError):
- import test.test_import.data.lazy_imports.badsyntax.lazy_import_func
+ import test.test_lazy_import.data.badsyntax.lazy_import_func
def test_lazy_import_exec_in_function(self):
"""lazy import via exec() inside a function should raise SyntaxError."""
f()
self.assertIn("only allowed at module level", str(cm.exception))
+ @support.requires_subprocess()
def test_lazy_import_exec_at_module_level(self):
"""lazy import via exec() at module level should work."""
# exec() at module level (globals == locals) should allow lazy imports
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_try_except_eager(self):
"""Imports in try/except should be eager even with mode='all'."""
sys.set_lazy_imports("all")
- import test.test_import.data.lazy_imports.try_except_eager
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.try_except_eager
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_try_except_eager_from(self):
"""From imports in try/except should be eager even with mode='all'."""
sys.set_lazy_imports("all")
- import test.test_import.data.lazy_imports.try_except_eager_from
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.try_except_eager_from
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_eager_import_func(self):
"""Imports inside functions should return modules, not proxies."""
sys.set_lazy_imports("all")
- import test.test_import.data.lazy_imports.eager_import_func
+ import test.test_lazy_import.data.eager_import_func
- f = test.test_import.data.lazy_imports.eager_import_func.f
+ f = test.test_lazy_import.data.eager_import_func.f
self.assertEqual(type(f()), type(sys))
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_lazy_with(self):
"""lazy import with 'with' statement should work."""
- import test.test_import.data.lazy_imports.lazy_with
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.lazy_with
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
def test_lazy_with_from(self):
"""lazy from import with 'with' statement should work."""
- import test.test_import.data.lazy_imports.lazy_with_from
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.lazy_with_from
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
class PackageTests(unittest.TestCase):
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_lazy_import_pkg(self):
"""lazy import of package submodule should load the package."""
- import test.test_import.data.lazy_imports.lazy_import_pkg
+ import test.test_lazy_import.data.lazy_import_pkg
- self.assertIn("test.test_import.data.lazy_imports.pkg", sys.modules)
- self.assertIn("test.test_import.data.lazy_imports.pkg.bar", sys.modules)
+ self.assertIn("test.test_lazy_import.data.pkg", sys.modules)
+ self.assertIn("test.test_lazy_import.data.pkg.bar", sys.modules)
def test_lazy_import_pkg_cross_import(self):
"""Cross-imports within package should preserve lazy imports."""
- import test.test_import.data.lazy_imports.pkg.c
+ import test.test_lazy_import.data.pkg.c
- self.assertIn("test.test_import.data.lazy_imports.pkg", sys.modules)
- self.assertIn("test.test_import.data.lazy_imports.pkg.c", sys.modules)
- self.assertNotIn("test.test_import.data.lazy_imports.pkg.b", sys.modules)
+ self.assertIn("test.test_lazy_import.data.pkg", sys.modules)
+ self.assertIn("test.test_lazy_import.data.pkg.c", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.pkg.b", sys.modules)
- g = test.test_import.data.lazy_imports.pkg.c.get_globals()
+ g = test.test_lazy_import.data.pkg.c.get_globals()
self.assertEqual(type(g["x"]), int)
self.assertEqual(type(g["b"]), types.LazyImportType)
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_dunder_lazy_import(self):
"""__lazy_import__ should create lazy import proxy."""
- import test.test_import.data.lazy_imports.dunder_lazy_import
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.dunder_lazy_import
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
def test_dunder_lazy_import_used(self):
"""Using __lazy_import__ result should trigger module load."""
- import test.test_import.data.lazy_imports.dunder_lazy_import_used
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ import test.test_lazy_import.data.dunder_lazy_import_used
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_dunder_lazy_import_invalid_arguments(self):
"""__lazy_import__ should reject invalid arguments."""
def test_dunder_lazy_import_builtins(self):
"""__lazy_import__ should use module's __builtins__ for __import__."""
- from test.test_import.data.lazy_imports import dunder_lazy_import_builtins
+ from test.test_lazy_import.data import dunder_lazy_import_builtins
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
self.assertEqual(dunder_lazy_import_builtins.basic.basic2, 42)
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
"""sys.lazy_modules should be a set per PEP 810."""
self.assertIsInstance(sys.lazy_modules, dict)
+ @support.requires_subprocess()
def test_lazy_modules_tracks_lazy_imports(self):
"""sys.lazy_modules should track lazily imported module names."""
code = textwrap.dedent("""
import sys
initial_count = len(sys.lazy_modules)
- import test.test_import.data.lazy_imports.basic_unused
- assert "test.test_import.data.lazy_imports" in sys.lazy_modules
- assert sys.lazy_modules["test.test_import.data.lazy_imports"] == {"basic2"}
+ import test.test_lazy_import.data.basic_unused
+ assert "test.test_lazy_import.data" in sys.lazy_modules
+ assert sys.lazy_modules["test.test_lazy_import.data"] == {"basic2"}
assert len(sys.lazy_modules) > initial_count
print("OK")
""")
self.assertIn("OK", result.stdout)
+@support.requires_subprocess()
class ErrorHandlingTests(unittest.TestCase):
"""Tests for error handling during lazy import reification.
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
# AND where the access happened, per PEP 810 "Reification" section
code = textwrap.dedent("""
import sys
- lazy import test.test_import.data.lazy_imports.nonexistent_module
+ lazy import test.test_lazy_import.data.nonexistent_module
try:
- x = test.test_import.data.lazy_imports.nonexistent_module
+ x = test.test_lazy_import.data.nonexistent_module
except ImportError as e:
# Should have __cause__ showing the original error
# The exception chain shows both where import was defined and where access happened
# Tests 'lazy from module import nonexistent' behavior
code = textwrap.dedent("""
import sys
- lazy from test.test_import.data.lazy_imports.basic2 import nonexistent_name
+ lazy from test.test_lazy_import.data.basic2 import nonexistent_name
try:
x = nonexistent_name
import sys
import types
- lazy import test.test_import.data.lazy_imports.broken_module
+ lazy import test.test_lazy_import.data.broken_module
# First access - should fail
try:
- x = test.test_import.data.lazy_imports.broken_module
+ x = test.test_lazy_import.data.broken_module
except ValueError:
pass
# The root 'test' binding should still allow retry
# Second access - should also fail (retry the import)
try:
- x = test.test_import.data.lazy_imports.broken_module
+ x = test.test_lazy_import.data.broken_module
except ValueError:
print("OK - retry worked")
""")
# Module that raises during import should propagate with chaining
code = textwrap.dedent("""
import sys
- lazy import test.test_import.data.lazy_imports.broken_module
+ lazy import test.test_lazy_import.data.broken_module
try:
- _ = test.test_import.data.lazy_imports.broken_module
+ _ = test.test_lazy_import.data.broken_module
print("FAIL - should have raised")
except ValueError as e:
# The ValueError from the module should be the cause
self.assertIn("Error", result.stderr)
+@support.requires_subprocess()
class GlobalsAndDictTests(unittest.TestCase):
"""Tests for globals() and __dict__ behavior with lazy imports.
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
import sys
import types
- lazy from test.test_import.data.lazy_imports.basic2 import x
+ lazy from test.test_lazy_import.data.basic2 import x
# Check that module is not yet loaded
- assert 'test.test_import.data.lazy_imports.basic2' not in sys.modules
+ assert 'test.test_lazy_import.data.basic2' not in sys.modules
def check_lazy():
# Access through globals() from inside a function
assert is_lazy, "Expected LazyImportType from function scope"
# Module should STILL not be loaded
- assert 'test.test_import.data.lazy_imports.basic2' not in sys.modules
+ assert 'test.test_lazy_import.data.basic2' not in sys.modules
print("OK")
""")
result = subprocess.run(
def test_module_dict_returns_lazy_proxy_without_reifying(self):
"""module.__dict__ access should not trigger reification."""
- import test.test_import.data.lazy_imports.globals_access
+ import test.test_lazy_import.data.globals_access
# Module not loaded yet via direct dict access
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
# Access via get_from_globals should return lazy proxy
- lazy_obj = test.test_import.data.lazy_imports.globals_access.get_from_globals()
+ lazy_obj = test.test_lazy_import.data.globals_access.get_from_globals()
self.assertEqual(type(lazy_obj), types.LazyImportType)
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
def test_direct_access_triggers_reification(self):
"""Direct name access (not through globals()) should trigger reification."""
- import test.test_import.data.lazy_imports.globals_access
+ import test.test_lazy_import.data.globals_access
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
# Direct access should reify
- result = test.test_import.data.lazy_imports.globals_access.get_direct()
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ result = test.test_lazy_import.data.globals_access.get_direct()
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_resolve_method_forces_reification(self):
"""Calling resolve() on lazy proxy should force reification.
import sys
import types
- lazy from test.test_import.data.lazy_imports.basic2 import x
+ lazy from test.test_lazy_import.data.basic2 import x
- assert 'test.test_import.data.lazy_imports.basic2' not in sys.modules
+ assert 'test.test_lazy_import.data.basic2' not in sys.modules
def test_resolve():
g = globals()
resolved = lazy_obj.resolve()
# Now module should be loaded
- assert 'test.test_import.data.lazy_imports.basic2' in sys.modules
+ assert 'test.test_lazy_import.data.basic2' in sys.modules
assert resolved == 42 # x is 42 in basic2.py
return True
import sys
import types
- lazy from test.test_import.data.lazy_imports import basic2
+ lazy from test.test_lazy_import.data import basic2
- assert 'test.test_import.data.lazy_imports.basic2' not in sys.modules
+ assert 'test.test_lazy_import.data.basic2' not in sys.modules
class C: pass
sneaky = C()
self.assertIn("OK", result.stdout)
+@support.requires_subprocess()
class MultipleNameFromImportTests(unittest.TestCase):
"""Tests for lazy from ... import with multiple names.
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
import sys
import types
- lazy from test.test_import.data.lazy_imports.basic2 import f, x
+ lazy from test.test_lazy_import.data.basic2 import f, x
# Neither should be loaded yet
- assert 'test.test_import.data.lazy_imports.basic2' not in sys.modules
+ assert 'test.test_lazy_import.data.basic2' not in sys.modules
g = globals()
assert type(g['f']) is types.LazyImportType
assert value == 42
# Module is now loaded
- assert 'test.test_import.data.lazy_imports.basic2' in sys.modules
+ assert 'test.test_lazy_import.data.basic2' in sys.modules
# 'x' should be reified (int), 'f' should still be lazy proxy
assert type(g['x']) is int, f"Expected int, got {type(g['x'])}"
import sys
import types
- lazy from test.test_import.data.lazy_imports.basic2 import f, x
+ lazy from test.test_lazy_import.data.basic2 import f, x
g = globals()
self.assertIn("OK", result.stdout)
+@support.requires_subprocess()
class SysLazyModulesTrackingTests(unittest.TestCase):
"""Tests for sys.lazy_modules tracking behavior.
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
initial_count = len(sys.lazy_modules)
- lazy import test.test_import.data.lazy_imports.basic2
+ lazy import test.test_lazy_import.data.basic2
# Should be in lazy_modules after lazy import
- assert "test.test_import.data.lazy_imports" in sys.lazy_modules
- assert sys.lazy_modules["test.test_import.data.lazy_imports"] == {"basic2"}
+ assert "test.test_lazy_import.data" in sys.lazy_modules
+ assert sys.lazy_modules["test.test_lazy_import.data"] == {"basic2"}
assert len(sys.lazy_modules) > initial_count
# Trigger reification
- _ = test.test_import.data.lazy_imports.basic2.x
+ _ = test.test_lazy_import.data.basic2.x
# Module should still be tracked (for diagnostics per PEP 810)
- assert "test.test_import.data.lazy_imports" not in sys.lazy_modules
+ assert "test.test_lazy_import.data" not in sys.lazy_modules
print("OK")
""")
result = subprocess.run(
self.assertIsInstance(sys.lazy_modules, dict)
+@support.requires_subprocess()
class CommandLineAndEnvVarTests(unittest.TestCase):
"""Tests for command-line and environment variable control.
# modules already loaded by the interpreter startup
code = textwrap.dedent("""
import sys
- import test.test_import.data.lazy_imports.basic2 # Should be eager
- lazy import test.test_import.data.lazy_imports.pkg.b # Should be lazy
+ import test.test_lazy_import.data.basic2 # Should be eager
+ lazy import test.test_lazy_import.data.pkg.b # Should be lazy
- eager_loaded = 'test.test_import.data.lazy_imports.basic2' in sys.modules
- lazy_loaded = 'test.test_import.data.lazy_imports.pkg.b' in sys.modules
+ eager_loaded = 'test.test_lazy_import.data.basic2' in sys.modules
+ lazy_loaded = 'test.test_lazy_import.data.pkg.b' in sys.modules
if eager_loaded and not lazy_loaded:
print("OK")
self.assertIn("EAGER", result.stdout)
+@support.requires_subprocess()
class FilterFunctionSignatureTests(unittest.TestCase):
"""Tests for the filter function signature per PEP 810.
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
# PEP 810: "The soft keyword is only allowed at the global (module) level,
# not inside functions, class bodies, try blocks, or import *"
with self.assertRaises(SyntaxError):
- import test.test_import.data.lazy_imports.badsyntax.lazy_class_body
+ import test.test_lazy_import.data.badsyntax.lazy_class_body
+@support.requires_subprocess()
class MixedLazyEagerImportTests(unittest.TestCase):
"""Tests for mixing lazy and eager imports of the same module.
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_relative_lazy_import(self):
"""lazy from . import submodule should work."""
- from test.test_import.data.lazy_imports import relative_lazy
+ from test.test_lazy_import.data import relative_lazy
# basic2 should not be loaded yet
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
# Access triggers reification
result = relative_lazy.get_basic2()
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
def test_relative_lazy_from_import(self):
"""lazy from .module import name should work."""
- from test.test_import.data.lazy_imports import relative_lazy_from
+ from test.test_lazy_import.data import relative_lazy_from
# basic2 should not be loaded yet
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
# Access triggers reification
result = relative_lazy_from.get_x()
self.assertEqual(result, 42)
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
class LazyModulesCompatibilityFromImportTests(unittest.TestCase):
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_lazy_modules_makes_from_imports_lazy(self):
"""__lazy_modules__ should make from imports of listed modules lazy."""
- from test.test_import.data.lazy_imports import lazy_compat_from
+ from test.test_lazy_import.data import lazy_compat_from
# basic2 should not be loaded yet because it's in __lazy_modules__
- self.assertNotIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertNotIn("test.test_lazy_import.data.basic2", sys.modules)
# Access triggers reification
result = lazy_compat_from.get_x()
self.assertEqual(result, 42)
- self.assertIn("test.test_import.data.lazy_imports.basic2", sys.modules)
+ self.assertIn("test.test_lazy_import.data.basic2", sys.modules)
+@support.requires_subprocess()
class ImportStateAtReificationTests(unittest.TestCase):
"""Tests for import system state at reification time.
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
self.assertIn("OK", result.stdout)
+@support.requires_subprocess()
class ThreadSafetyTests(unittest.TestCase):
"""Tests for thread-safety of lazy imports."""
def tearDown(self):
for key in list(sys.modules.keys()):
- if key.startswith('test.test_import.data.lazy_imports'):
+ if key.startswith('test.test_lazy_import.data'):
del sys.modules[key]
sys.set_lazy_imports_filter(None)
def test_concurrent_lazy_import_reification(self):
"""Multiple threads racing to reify the same lazy import should succeed."""
- from test.test_import.data.lazy_imports import basic_unused
+ from test.test_lazy_import.data import basic_unused
num_threads = 10
results = [None] * num_threads
def access_lazy_import(idx):
try:
barrier.wait()
- module = basic_unused.test.test_import.data.lazy_imports.basic2
+ module = basic_unused.test.test_lazy_import.data.basic2
results[idx] = module
except Exception as e:
errors.append((idx, e))
projects / thirdparty / Python / cpython.git / commitdiff
