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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-sr-x	2025-06-04 09:23
__init__.py	445 B	-rw-r--r--	2025-06-04 09:23
__main__.py	68 B	-rw-r--r--	2025-06-04 09:23
test_anon.py	2.48 KB	-rw-r--r--	2025-06-04 09:23
test_array_in_pointer.py	1.7 KB	-rw-r--r--	2025-06-04 09:23
test_arrays.py	7.33 KB	-rw-r--r--	2025-06-04 09:23
test_as_parameter.py	6.76 KB	-rw-r--r--	2025-06-04 09:23
test_bitfields.py	10.11 KB	-rw-r--r--	2025-06-04 09:23
test_buffers.py	2.55 KB	-rw-r--r--	2025-06-04 09:23
test_bytes.py	1.94 KB	-rw-r--r--	2025-06-04 09:23
test_byteswap.py	11.14 KB	-rw-r--r--	2025-06-04 09:23
test_callbacks.py	10.33 KB	-rw-r--r--	2025-06-04 09:23
test_cast.py	3.64 KB	-rw-r--r--	2025-06-04 09:23
test_cfuncs.py	7.5 KB	-rw-r--r--	2025-06-04 09:23
test_checkretval.py	968 B	-rw-r--r--	2025-06-04 09:23
test_delattr.py	533 B	-rw-r--r--	2025-06-04 09:23
test_errno.py	2.12 KB	-rw-r--r--	2025-06-04 09:23
test_find.py	4.36 KB	-rw-r--r--	2025-06-04 09:23
test_frombuffer.py	5.09 KB	-rw-r--r--	2025-06-04 09:23
test_funcptr.py	3.93 KB	-rw-r--r--	2025-06-04 09:23
test_functions.py	12.21 KB	-rw-r--r--	2025-06-04 09:23
test_incomplete.py	1023 B	-rw-r--r--	2025-06-04 09:23
test_init.py	1.01 KB	-rw-r--r--	2025-06-04 09:23
test_internals.py	2.57 KB	-rw-r--r--	2025-06-04 09:23
test_keeprefs.py	3.96 KB	-rw-r--r--	2025-06-04 09:23
test_libc.py	1005 B	-rw-r--r--	2025-06-04 09:23
test_loading.py	6.97 KB	-rw-r--r--	2025-06-04 09:23
test_macholib.py	2.07 KB	-rw-r--r--	2025-06-04 09:23
test_memfunctions.py	3.22 KB	-rw-r--r--	2025-06-04 09:23
test_numbers.py	9.25 KB	-rw-r--r--	2025-06-04 09:23
test_objects.py	1.64 KB	-rw-r--r--	2025-06-04 09:23
test_parameters.py	10.83 KB	-rw-r--r--	2025-06-04 09:23
test_pep3118.py	8.48 KB	-rw-r--r--	2025-06-04 09:23
test_pickling.py	2.17 KB	-rw-r--r--	2025-06-04 09:23
test_pointers.py	7.07 KB	-rw-r--r--	2025-06-04 09:23
test_prototypes.py	6.68 KB	-rw-r--r--	2025-06-04 09:23
test_python_api.py	2.7 KB	-rw-r--r--	2025-06-04 09:23
test_random_things.py	2.77 KB	-rw-r--r--	2025-06-04 09:23
test_refcounts.py	3.06 KB	-rw-r--r--	2025-06-04 09:23
test_repr.py	842 B	-rw-r--r--	2025-06-04 09:23
test_returnfuncptrs.py	2.83 KB	-rw-r--r--	2025-06-04 09:23
test_simplesubclasses.py	1.26 KB	-rw-r--r--	2025-06-04 09:23
test_sizes.py	804 B	-rw-r--r--	2025-06-04 09:23
test_slicing.py	5.88 KB	-rw-r--r--	2025-06-04 09:23
test_stringptr.py	2.54 KB	-rw-r--r--	2025-06-04 09:23
test_strings.py	7.13 KB	-rw-r--r--	2025-06-04 09:23
test_struct_fields.py	2.92 KB	-rw-r--r--	2025-06-04 09:23
test_structures.py	26.77 KB	-rw-r--r--	2025-06-04 09:23
test_unaligned_structures.py	1.11 KB	-rw-r--r--	2025-06-04 09:23
test_unicode.py	1.95 KB	-rw-r--r--	2025-06-04 09:23
test_values.py	3.78 KB	-rw-r--r--	2025-06-04 09:23
test_varsize_struct.py	1.8 KB	-rw-r--r--	2025-06-04 09:23
test_win32.py	4.91 KB	-rw-r--r--	2025-06-04 09:23
test_wintypes.py	1.36 KB	-rw-r--r--	2025-06-04 09:23

Rename

from ctypes import *
import os
import shutil
import subprocess
import sys
import unittest
import test.support
from test.support import import_helper
from test.support import os_helper
from ctypes.util import find_library

libc_name = None

def setUpModule():
    global libc_name
    if os.name == "nt":
        libc_name = find_library("c")
    elif sys.platform == "cygwin":
        libc_name = "cygwin1.dll"
    else:
        libc_name = find_library("c")

if test.support.verbose:
        print("libc_name is", libc_name)

class LoaderTest(unittest.TestCase):

unknowndll = "xxrandomnamexx"

def test_load(self):
        if libc_name is None:
            self.skipTest('could not find libc')
        CDLL(libc_name)
        CDLL(os.path.basename(libc_name))
        self.assertRaises(OSError, CDLL, self.unknowndll)

def test_load_version(self):
        if libc_name is None:
            self.skipTest('could not find libc')
        if os.path.basename(libc_name) != 'libc.so.6':
            self.skipTest('wrong libc path for test')
        cdll.LoadLibrary("libc.so.6")
        # linux uses version, libc 9 should not exist
        self.assertRaises(OSError, cdll.LoadLibrary, "libc.so.9")
        self.assertRaises(OSError, cdll.LoadLibrary, self.unknowndll)

def test_find(self):
        for name in ("c", "m"):
            lib = find_library(name)
            if lib:
                cdll.LoadLibrary(lib)
                CDLL(lib)

@unittest.skipUnless(os.name == "nt",
                         'test specific to Windows')
    def test_load_library(self):
        # CRT is no longer directly loadable. See issue23606 for the
        # discussion about alternative approaches.
        #self.assertIsNotNone(libc_name)
        if test.support.verbose:
            print(find_library("kernel32"))
            print(find_library("user32"))

if os.name == "nt":
            windll.kernel32.GetModuleHandleW
            windll["kernel32"].GetModuleHandleW
            windll.LoadLibrary("kernel32").GetModuleHandleW
            WinDLL("kernel32").GetModuleHandleW
            # embedded null character
            self.assertRaises(ValueError, windll.LoadLibrary, "kernel32\0")

@unittest.skipUnless(os.name == "nt",
                         'test specific to Windows')
    def test_load_ordinal_functions(self):
        import _ctypes_test
        dll = WinDLL(_ctypes_test.__file__)
        # We load the same function both via ordinal and name
        func_ord = dll[2]
        func_name = dll.GetString
        # addressof gets the address where the function pointer is stored
        a_ord = addressof(func_ord)
        a_name = addressof(func_name)
        f_ord_addr = c_void_p.from_address(a_ord).value
        f_name_addr = c_void_p.from_address(a_name).value
        self.assertEqual(hex(f_ord_addr), hex(f_name_addr))

self.assertRaises(AttributeError, dll.__getitem__, 1234)

@unittest.skipUnless(os.name == "nt", 'Windows-specific test')
    def test_1703286_A(self):
        from _ctypes import LoadLibrary, FreeLibrary
        # On winXP 64-bit, advapi32 loads at an address that does
        # NOT fit into a 32-bit integer.  FreeLibrary must be able
        # to accept this address.

# These are tests for https://www.python.org/sf/1703286
        handle = LoadLibrary("advapi32")
        FreeLibrary(handle)

@unittest.skipUnless(os.name == "nt", 'Windows-specific test')
    def test_1703286_B(self):
        # Since on winXP 64-bit advapi32 loads like described
        # above, the (arbitrarily selected) CloseEventLog function
        # also has a high address.  'call_function' should accept
        # addresses so large.
        from _ctypes import call_function
        advapi32 = windll.advapi32
        # Calling CloseEventLog with a NULL argument should fail,
        # but the call should not segfault or so.
        self.assertEqual(0, advapi32.CloseEventLog(None))
        windll.kernel32.GetProcAddress.argtypes = c_void_p, c_char_p
        windll.kernel32.GetProcAddress.restype = c_void_p
        proc = windll.kernel32.GetProcAddress(advapi32._handle,
                                              b"CloseEventLog")
        self.assertTrue(proc)
        # This is the real test: call the function via 'call_function'
        self.assertEqual(0, call_function(proc, (None,)))

@unittest.skipUnless(os.name == "nt",
                         'test specific to Windows')
    def test_load_dll_with_flags(self):
        _sqlite3 = import_helper.import_module("_sqlite3")
        src = _sqlite3.__file__
        if src.lower().endswith("_d.pyd"):
            ext = "_d.dll"
        else:
            ext = ".dll"

with os_helper.temp_dir() as tmp:
            # We copy two files and load _sqlite3.dll (formerly .pyd),
            # which has a dependency on sqlite3.dll. Then we test
            # loading it in subprocesses to avoid it starting in memory
            # for each test.
            target = os.path.join(tmp, "_sqlite3.dll")
            shutil.copy(src, target)
            shutil.copy(os.path.join(os.path.dirname(src), "sqlite3" + ext),
                        os.path.join(tmp, "sqlite3" + ext))

def should_pass(command):
                with self.subTest(command):
                    subprocess.check_output(
                        [sys.executable, "-c",
                         "from ctypes import *; import nt;" + command],
                        cwd=tmp
                    )

def should_fail(command):
                with self.subTest(command):
                    with self.assertRaises(subprocess.CalledProcessError):
                        subprocess.check_output(
                            [sys.executable, "-c",
                             "from ctypes import *; import nt;" + command],
                            cwd=tmp, stderr=subprocess.STDOUT,
                        )

# Default load should not find this in CWD
            should_fail("WinDLL('_sqlite3.dll')")

# Relative path (but not just filename) should succeed
            should_pass("WinDLL('./_sqlite3.dll')")

# Insecure load flags should succeed
            # Clear the DLL directory to avoid safe search settings propagating
            should_pass("windll.kernel32.SetDllDirectoryW(None); WinDLL('_sqlite3.dll', winmode=0)")

# Full path load without DLL_LOAD_DIR shouldn't find dependency
            should_fail("WinDLL(nt._getfullpathname('_sqlite3.dll'), " +
                        "winmode=nt._LOAD_LIBRARY_SEARCH_SYSTEM32)")

# Full path load with DLL_LOAD_DIR should succeed
            should_pass("WinDLL(nt._getfullpathname('_sqlite3.dll'), " +
                        "winmode=nt._LOAD_LIBRARY_SEARCH_SYSTEM32|" +
                        "nt._LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR)")

# User-specified directory should succeed
            should_pass("import os; p = os.add_dll_directory(os.getcwd());" +
                        "WinDLL('_sqlite3.dll'); p.close()")

if __name__ == "__main__":
    unittest.main()