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Commit 16ed4155 authored by Thomas Heller's avatar Thomas Heller
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Merge in changes from ctypes 0.9.9.6 upstream version.

parent 440e3cf8
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Lib/ctypes/__init__.py
View file @ 16ed4155
......@@ -3,7 +3,7 @@
import os as _os, sys as _sys
from itertools import chain as _chain
__version__ = "0.9.9.4"
__version__ = "0.9.9.6"
from _ctypes import Union, Structure, Array
from _ctypes import _Pointer
......@@ -23,8 +23,6 @@ if _os.name in ("nt", "ce"):
from _ctypes import FUNCFLAG_CDECL as _FUNCFLAG_CDECL, \
FUNCFLAG_PYTHONAPI as _FUNCFLAG_PYTHONAPI
from ctypes._loader import LibraryLoader
"""
WINOLEAPI -> HRESULT
WINOLEAPI_(type)
......@@ -72,9 +70,11 @@ def CFUNCTYPE(restype, *argtypes):
The function prototype can be called in three ways to create a
callable object:
prototype(funct) - returns a C callable function calling funct
prototype(vtbl_index, method_name[, paramflags]) - a Python callable that calls a COM method
prototype(funct_name, dll[, paramflags]) - a Python callable that calls an exported function in a dll
prototype(integer address) -> foreign function
prototype(callable) -> create and return a C callable function from callable
prototype(integer index, method name[, paramflags]) -> foreign function calling a COM method
prototype((ordinal number, dll object)[, paramflags]) -> foreign function exported by ordinal
prototype((function name, dll object)[, paramflags]) -> foreign function exported by name
"""
try:
return _c_functype_cache[(restype, argtypes)]
......@@ -352,6 +352,23 @@ if _os.name in ("nt", "ce"):
_flags_ = _FUNCFLAG_STDCALL
_restype_ = HRESULT
class LibraryLoader(object):
def __init__(self, dlltype):
self._dlltype = dlltype
def __getattr__(self, name):
if name[0] == '_':
raise AttributeError(name)
dll = self._dlltype(name)
setattr(self, name, dll)
return dll
def __getitem__(self, name):
return getattr(self, name)
def LoadLibrary(self, name):
return self._dlltype(name)
cdll = LibraryLoader(CDLL)
pydll = LibraryLoader(PyDLL)
......@@ -402,7 +419,12 @@ def PYFUNCTYPE(restype, *argtypes):
_restype_ = restype
_flags_ = _FUNCFLAG_CDECL | _FUNCFLAG_PYTHONAPI
return CFunctionType
cast = PYFUNCTYPE(py_object, c_void_p, py_object)(_cast_addr)
_cast = PYFUNCTYPE(py_object, c_void_p, py_object)(_cast_addr)
def cast(obj, typ):
result = _cast(obj, typ)
result.__keepref = obj
return result
_string_at = CFUNCTYPE(py_object, c_void_p, c_int)(_string_at_addr)
def string_at(ptr, size=0):
......
Lib/ctypes/_loader.py deleted 100644 → 0
View file @ 440e3cf8
import sys, os
import ctypes
if os.name in ("nt", "ce"):
from _ctypes import LoadLibrary as dlopen
else:
from _ctypes import dlopen
from _ctypes import RTLD_LOCAL, RTLD_GLOBAL
# _findLib(name) returns an iterable of possible names for a library.
if os.name in ("nt", "ce"):
def _findLib(name):
return [name]
if os.name == "posix" and sys.platform == "darwin":
from ctypes.macholib.dyld import dyld_find as _dyld_find
def _findLib(name):
possible = ['lib%s.dylib' % name,
'%s.dylib' % name,
'%s.framework/%s' % (name, name)]
for name in possible:
try:
return [_dyld_find(name)]
except ValueError:
continue
return []
elif os.name == "posix":
# Andreas Degert's find functions, using gcc, /sbin/ldconfig, objdump
import re, tempfile
def _findLib_gcc(name):
expr = '[^\(\)\s]*lib%s\.[^\(\)\s]*' % name
cmd = 'if type gcc &>/dev/null; then CC=gcc; else CC=cc; fi;' \
'$CC -Wl,-t -o /dev/null 2>&1 -l' + name
try:
fdout, outfile = tempfile.mkstemp()
fd = os.popen(cmd)
trace = fd.read()
err = fd.close()
finally:
try:
os.unlink(outfile)
except OSError, e:
if e.errno != errno.ENOENT:
raise
res = re.search(expr, trace)
if not res:
return None
return res.group(0)
def _findLib_ld(name):
expr = '/[^\(\)\s]*lib%s\.[^\(\)\s]*' % name
res = re.search(expr, os.popen('/sbin/ldconfig -p 2>/dev/null').read())
if not res:
cmd = 'ldd %s 2>/dev/null' % sys.executable
res = re.search(expr, os.popen(cmd).read())
if not res:
return None
return res.group(0)
def _get_soname(f):
cmd = "objdump -p -j .dynamic 2>/dev/null " + f
res = re.search(r'\sSONAME\s+([^\s]+)', os.popen(cmd).read())
if not res:
return f
return res.group(1)
def _findLib(name):
lib = _findLib_ld(name)
if not lib:
lib = _findLib_gcc(name)
if not lib:
return [name]
return [_get_soname(lib)]
class LibraryLoader(object):
"""Loader for shared libraries.
Shared libraries are accessed when compiling/linking a program,
and when the program is run. The purpose of the 'find' method is
to locate a library similar to what the compiler does (on machines
with several versions of a shared library the most recent should
be loaded), while 'load' acts like when the program is run, and
uses the runtime loader directly. 'load_version' works like
'load' but tries to be platform independend (for cases where this
makes sense). Loading via attribute access is a shorthand
notation especially useful for interactive use."""
def __init__(self, dlltype, mode=RTLD_LOCAL):
"""Create a library loader instance which loads libraries by
creating an instance of 'dlltype'. 'mode' can be RTLD_LOCAL
or RTLD_GLOBAL, it is ignored on Windows.
"""
self._dlltype = dlltype
self._mode = mode
def load(self, libname, mode=None):
"""Load and return the library with the given libname. On
most systems 'libname' is the filename of the shared library;
when it's not a pathname it will be searched in a system
dependend list of locations (on many systems additional search
paths can be specified by an environment variable). Sometimes
the extension (like '.dll' on Windows) can be omitted.
'mode' allows to override the default flags specified in the
constructor, it is ignored on Windows.
"""
if mode is None:
mode = self._mode
return self._load(libname, mode)
def load_library(self, libname, mode=None):
"""Load and return the library with the given libname. This
method passes the specified 'libname' directly to the
platform's library loading function (dlopen, or LoadLibrary).
'mode' allows to override the default flags specified in the
constructor, it is ignored on Windows.
"""
if mode is None:
mode = self._mode
return self._dlltype(libname, mode)
# alias name for backwards compatiblity
LoadLibrary = load_library
# Helpers for load and load_version - assembles a filename from name and filename
if os.name in ("nt", "ce"):
# Windows (XXX what about cygwin?)
def _plat_load_version(self, name, version, mode):
# not sure if this makes sense
if version is not None:
return self.load(name + version, mode)
return self.load(name, mode)
_load = load_library
elif os.name == "posix" and sys.platform == "darwin":
# Mac OS X
def _plat_load_version(self, name, version, mode):
if version:
return self.load("lib%s.%s.dylib" % (name, version), mode)
return self.load("lib%s.dylib" % name, mode)
def _load(self, libname, mode):
# _dyld_find raises ValueError, convert this into OSError
try:
pathname = _dyld_find(libname)
except ValueError:
raise OSError("Library %s could not be found" % libname)
return self.load_library(pathname, mode)
elif os.name == "posix":
# Posix
def _plat_load_version(self, name, version, mode):
if version:
return self.load("lib%s.so.%s" % (name, version), mode)
return self.load("lib%s.so" % name, mode)
_load = load_library
else:
# Others, TBD
def _plat_load_version(self, name, version, mode=None):
return self.load(name, mode)
_load = load_library
def load_version(self, name, version=None, mode=None):
"""Build a (system dependend) filename from 'name' and
'version', then load and return it. 'name' is the library
name without any prefix like 'lib' and suffix like '.so' or
'.dylib'. This method should be used if a library is
available on different platforms, using the particular naming
convention of each platform.
'mode' allows to override the default flags specified in the
constructor, it is ignored on Windows.
"""
return self._plat_load_version(name, version, mode)
def find(self, name, mode=None):
"""Try to find a library, load and return it. 'name' is the
library name without any prefix like 'lib', suffix like '.so',
'.dylib' or version number (this is the form used for the
posix linker option '-l').
'mode' allows to override the default flags specified in the
constructor, it is ignored on Windows.
On windows, this method does the same as the 'load' method.
On other platforms, this function might call other programs
like the compiler to find the library. When using ctypes to
write a shared library wrapping, consider using .load() or
.load_version() instead.
"""
for libname in _findLib(name):
try:
return self.load(libname, mode)
except OSError:
continue
raise OSError("Library %r not found" % name)
def __getattr__(self, name):
"""Load a library via attribute access. Calls
.load_version(). The result is cached."""
if name.startswith("_"):
raise AttributeError(name)
dll = self.load_version(name)
setattr(self, name, dll)
return dll
################################################################
# test code
class CDLL(object):
def __init__(self, name, mode):
self._handle = dlopen(name, mode)
self._name = name
def __repr__(self):
return "<%s '%s', handle %x at %x>" % \
(self.__class__.__name__, self._name,
(self._handle & (sys.maxint*2 + 1)),
id(self))
cdll = LibraryLoader(CDLL)
def test():
if os.name == "nt":
print cdll.msvcrt
print cdll.load("msvcrt")
# load_version looks more like an artefact:
print cdll.load_version("msvcr", "t")
print cdll.find("msvcrt")
if os.name == "posix":
# find and load_version
print cdll.find("m")
print cdll.find("c")
print cdll.load_version("crypto", "0.9.7")
# getattr
print cdll.m
print cdll.bz2
# load
if sys.platform == "darwin":
print cdll.load("libm.dylib")
print cdll.load("libcrypto.dylib")
print cdll.load("libSystem.dylib")
print cdll.load("System.framework/System")
else:
print cdll.load("libm.so")
print cdll.load("libcrypt.so")
print cdll.find("crypt")
if __name__ == "__main__":
test()
Lib/ctypes/test/test_bitfields.py
View file @ 16ed4155
......@@ -24,7 +24,7 @@ class BITS(Structure):
("R", c_short, 6),
("S", c_short, 7)]
func = cdll.load(_ctypes_test.__file__).unpack_bitfields
func = CDLL(_ctypes_test.__file__).unpack_bitfields
func.argtypes = POINTER(BITS), c_char
##for n in "ABCDEFGHIMNOPQRS":
......
Lib/ctypes/test/test_byteswap.py
View file @ 16ed4155
......@@ -15,7 +15,7 @@ def bin(s):
class Test(unittest.TestCase):
def X_test(self):
print sys.byteorder
print >> sys.stderr, sys.byteorder
for i in range(32):
bits = BITS()
setattr(bits, "i%s" % i, 1)
......
Lib/ctypes/test/test_callbacks.py
View file @ 16ed4155
......@@ -115,7 +115,7 @@ class SampleCallbacksTestCase(unittest.TestCase):
def test_integrate(self):
# Derived from some then non-working code, posted by David Foster
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
# The function prototype called by 'integrate': double func(double);
CALLBACK = CFUNCTYPE(c_double, c_double)
......
Lib/ctypes/test/test_cast.py
View file @ 16ed4155
......@@ -23,33 +23,24 @@ class Test(unittest.TestCase):
def test_address2pointer(self):
array = (c_int * 3)(42, 17, 2)
# on AMD64, sizeof(int) == 4 and sizeof(void *) == 8.
# By default, cast would convert a Python int (or long) into
# a C int, which would be too short to represent a pointer
# on this platform.
# So we have to wrap the address into a c_void_p for this to work.
#
# XXX Better would be to hide the differences in the cast function.
address = addressof(array)
ptr = cast(c_void_p(address), POINTER(c_int))
self.failUnlessEqual([ptr[i] for i in range(3)], [42, 17, 2])
ptr = cast(address, POINTER(c_int))
self.failUnlessEqual([ptr[i] for i in range(3)], [42, 17, 2])
def test_ptr2array(self):
array = (c_int * 3)(42, 17, 2)
## # Hm, already tested above.
## ptr = cast(array, POINTER(c_int))
## self.failUnlessEqual([ptr[i] for i in range(3)], [42, 17, 2])
from sys import getrefcount
# print cast(addressof(array), c_int * 3)[:]
## ptr = cast(addressof(ptr)
## print ptr[0], ptr[1], ptr[2]
## ptr = POINTER(c_int).from_address(addressof(array))
## # XXX this crashes:
## print ptr[0], ptr[1], ptr[2]
before = getrefcount(array)
ptr = cast(array, POINTER(c_int))
self.failUnlessEqual(getrefcount(array), before + 1)
del ptr
self.failUnlessEqual(getrefcount(array), before)
if __name__ == "__main__":
unittest.main()
Lib/ctypes/test/test_cfuncs.py
View file @ 16ed4155
......@@ -7,7 +7,7 @@ from ctypes import *
import _ctypes_test
class CFunctions(unittest.TestCase):
_dll = cdll.load(_ctypes_test.__file__)
_dll = CDLL(_ctypes_test.__file__)
def S(self):
return c_longlong.in_dll(self._dll, "last_tf_arg_s").value
......
Lib/ctypes/test/test_checkretval.py
View file @ 16ed4155
......@@ -14,7 +14,7 @@ class Test(unittest.TestCase):
def test_checkretval(self):
import _ctypes_test
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
self.failUnlessEqual(42, dll._testfunc_p_p(42))
dll._testfunc_p_p.restype = CHECKED
......
Lib/ctypes/test/test_posix.py → Lib/ctypes/test/test_find.py
View file @ 16ed4155
import unittest, os, sys
from ctypes import *
if os.name == "posix" and sys.platform == "linux2":
# I don't really know on which platforms this works,
# later it should use the find_library stuff to avoid
# hardcoding the names.
class TestRTLD_GLOBAL(unittest.TestCase):
def test_GL(self):
if os.path.exists('/usr/lib/libGL.so'):
cdll.load('libGL.so', mode=RTLD_GLOBAL)
if os.path.exists('/usr/lib/libGLU.so'):
cdll.load('libGLU.so')
##if os.name == "posix" and sys.platform != "darwin":
## # On platforms where the default shared library suffix is '.so',
## # at least some libraries can be loaded as attributes of the cdll
## # object, since ctypes now tries loading the lib again
## # with '.so' appended of the first try fails.
## #
## # Won't work for libc, unfortunately. OTOH, it isn't
## # needed for libc since this is already mapped into the current
## # process (?)
## #
## # On MAC OSX, it won't work either, because dlopen() needs a full path,
## # and the default suffix is either none or '.dylib'.
## class LoadLibs(unittest.TestCase):
## def test_libm(self):
## import math
## libm = cdll.libm
## sqrt = libm.sqrt
## sqrt.argtypes = (c_double,)
## sqrt.restype = c_double
## self.failUnlessEqual(sqrt(2), math.sqrt(2))
if __name__ == "__main__":
unittest.main()
import unittest
import os, sys
from ctypes import *
from ctypes.util import find_library
from ctypes.test import is_resource_enabled
if sys.platform == "win32":
lib_gl = find_library("OpenGL32")
lib_glu = find_library("Glu32")
lib_glut = find_library("glut32")
lib_gle = None
elif sys.platform == "darwin":
lib_gl = lib_glu = find_library("OpenGL")
lib_glut = find_library("GLUT")
lib_gle = None
else:
lib_gl = find_library("GL")
lib_glu = find_library("GLU")
lib_glut = find_library("glut")
lib_gle = find_library("gle")
## print, for debugging
if is_resource_enabled("printing"):
if lib_gl or lib_glu or lib_glut or lib_gle:
print "OpenGL libraries:"
for item in (("GL", lib_gl),
("GLU", lib_glu),
("glut", lib_glut),
("gle", lib_gle)):
print "\t", item
# On some systems, loading the OpenGL libraries needs the RTLD_GLOBAL mode.
class Test_OpenGL_libs(unittest.TestCase):
def setUp(self):
self.gl = self.glu = self.gle = self.glut = None
if lib_gl:
self.gl = CDLL(lib_gl, mode=RTLD_GLOBAL)
if lib_glu:
self.glu = CDLL(lib_glu, RTLD_GLOBAL)
if lib_glut:
self.glut = CDLL(lib_glut)
if lib_gle:
self.gle = CDLL(lib_gle)
if lib_gl:
def test_gl(self):
if self.gl:
self.gl.glClearIndex
if lib_glu:
def test_glu(self):
if self.glu:
self.glu.gluBeginCurve
if lib_glut:
def test_glut(self):
if self.glut:
self.glut.glutWireTetrahedron
if lib_gle:
def test_gle(self):
if self.gle:
self.gle.gleGetJoinStyle
##if os.name == "posix" and sys.platform != "darwin":
## # On platforms where the default shared library suffix is '.so',
## # at least some libraries can be loaded as attributes of the cdll
## # object, since ctypes now tries loading the lib again
## # with '.so' appended of the first try fails.
## #
## # Won't work for libc, unfortunately. OTOH, it isn't
## # needed for libc since this is already mapped into the current
## # process (?)
## #
## # On MAC OSX, it won't work either, because dlopen() needs a full path,
## # and the default suffix is either none or '.dylib'.
## class LoadLibs(unittest.TestCase):
## def test_libm(self):
## import math
## libm = cdll.libm
## sqrt = libm.sqrt
## sqrt.argtypes = (c_double,)
## sqrt.restype = c_double
## self.failUnlessEqual(sqrt(2), math.sqrt(2))
if __name__ == "__main__":
unittest.main()
Lib/ctypes/test/test_funcptr.py
View file @ 16ed4155
......@@ -8,7 +8,7 @@ except NameError:
WINFUNCTYPE = CFUNCTYPE
import _ctypes_test
lib = cdll.load(_ctypes_test.__file__)
lib = CDLL(_ctypes_test.__file__)
class CFuncPtrTestCase(unittest.TestCase):
def test_basic(self):
......
Lib/ctypes/test/test_functions.py
View file @ 16ed4155
......@@ -15,9 +15,9 @@ except NameError:
WINFUNCTYPE = CFUNCTYPE
import _ctypes_test
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
if sys.platform == "win32":
windll = windll.load(_ctypes_test.__file__)
windll = WinDLL(_ctypes_test.__file__)
class POINT(Structure):
_fields_ = [("x", c_int), ("y", c_int)]
......
Lib/ctypes/test/test_libc.py
View file @ 16ed4155
......@@ -4,7 +4,7 @@ import unittest
from ctypes import *
import _ctypes_test
lib = cdll.load(_ctypes_test.__file__)
lib = CDLL(_ctypes_test.__file__)
class LibTest(unittest.TestCase):
def test_sqrt(self):
......
Lib/ctypes/test/test_loading.py
View file @ 16ed4155
from ctypes import *
import sys, unittest
import os, StringIO
from ctypes.util import find_library
from ctypes.test import is_resource_enabled
libc_name = None
if os.name == "nt":
......@@ -18,39 +20,49 @@ else:
libc_name = line.split()[4]
else:
libc_name = line.split()[2]
## print "libc_name is", libc_name
break
if is_resource_enabled("printing"):
print "libc_name is", libc_name
class LoaderTest(unittest.TestCase):
unknowndll = "xxrandomnamexx"
if libc_name is not None:
def test_load(self):
cdll.load(libc_name)
cdll.load(os.path.basename(libc_name))
self.assertRaises(OSError, cdll.load, self.unknowndll)
CDLL(libc_name)
CDLL(os.path.basename(libc_name))
self.assertRaises(OSError, CDLL, self.unknowndll)
if libc_name is not None and os.path.basename(libc_name) == "libc.so.6":
def test_load_version(self):
cdll.load_version("c", "6")
cdll.LoadLibrary("libc.so.6")
# linux uses version, libc 9 should not exist
self.assertRaises(OSError, cdll.load_version, "c", "9")
self.assertRaises(OSError, cdll.load_version, self.unknowndll, "")
self.assertRaises(OSError, cdll.LoadLibrary, "libc.so.9")
self.assertRaises(OSError, cdll.LoadLibrary, self.unknowndll)
def test_find(self):
name = "c"
cdll.find(name)
self.assertRaises(OSError, cdll.find, self.unknowndll)
def test_find(self):
for name in ("c", "m"):
lib = find_library(name)
if lib:
cdll.LoadLibrary(lib)
CDLL(lib)
if os.name in ("nt", "ce"):
def test_load_library(self):
if is_resource_enabled("printing"):
print find_library("kernel32")
print find_library("user32")
if os.name == "nt":
windll.load_library("kernel32").GetModuleHandleW
windll.kernel32.GetModuleHandleW
windll["kernel32"].GetModuleHandleW
windll.LoadLibrary("kernel32").GetModuleHandleW
WinDLL("kernel32").GetModuleHandleW
elif os.name == "ce":
windll.load_library("coredll").GetModuleHandleW
windll.coredll.GetModuleHandleW
windll["coredll"].GetModuleHandleW
windll.LoadLibrary("coredll").GetModuleHandleW
WinDLL("coredll").GetModuleHandleW
......
Lib/ctypes/test/test_pointers.py
View file @ 16ed4155
......@@ -20,7 +20,7 @@ class PointersTestCase(unittest.TestCase):
self.failUnlessRaises(TypeError, A, c_ulong(33))
def test_pass_pointers(self):
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
func = dll._testfunc_p_p
func.restype = c_long
......@@ -35,7 +35,7 @@ class PointersTestCase(unittest.TestCase):
self.failUnlessEqual(res[0], 12345678)
def test_change_pointers(self):
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
func = dll._testfunc_p_p
i = c_int(87654)
......@@ -70,7 +70,7 @@ class PointersTestCase(unittest.TestCase):
return 0
callback = PROTOTYPE(func)
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
# This function expects a function pointer,
# and calls this with an integer pointer as parameter.
# The int pointer points to a table containing the numbers 1..10
......@@ -156,7 +156,7 @@ class PointersTestCase(unittest.TestCase):
def test_charpp( self ):
"""Test that a character pointer-to-pointer is correctly passed"""
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
func = dll._testfunc_c_p_p
func.restype = c_char_p
argv = (c_char_p * 2)()
......
Lib/ctypes/test/test_prototypes.py
View file @ 16ed4155
......@@ -22,7 +22,7 @@ import unittest
# In this case, there would have to be an additional reference to the argument...
import _ctypes_test
testdll = cdll.load(_ctypes_test.__file__)
testdll = CDLL(_ctypes_test.__file__)
# Return machine address `a` as a (possibly long) non-negative integer.
# Starting with Python 2.5, id(anything) is always non-negative, and
......
Lib/ctypes/test/test_refcounts.py
View file @ 16ed4155
......@@ -6,7 +6,7 @@ MyCallback = ctypes.CFUNCTYPE(ctypes.c_int, ctypes.c_int)
OtherCallback = ctypes.CFUNCTYPE(ctypes.c_int, ctypes.c_int, ctypes.c_ulonglong)
import _ctypes_test
dll = ctypes.cdll.load(_ctypes_test.__file__)
dll = ctypes.CDLL(_ctypes_test.__file__)
class RefcountTestCase(unittest.TestCase):
......
Lib/ctypes/test/test_returnfuncptrs.py
View file @ 16ed4155
......@@ -8,7 +8,7 @@ class ReturnFuncPtrTestCase(unittest.TestCase):
def test_with_prototype(self):
# The _ctypes_test shared lib/dll exports quite some functions for testing.
# The get_strchr function returns a *pointer* to the C strchr function.
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
get_strchr = dll.get_strchr
get_strchr.restype = CFUNCTYPE(c_char_p, c_char_p, c_char)
strchr = get_strchr()
......@@ -18,7 +18,7 @@ class ReturnFuncPtrTestCase(unittest.TestCase):
self.assertRaises(TypeError, strchr, "abcdef")
def test_without_prototype(self):
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
get_strchr = dll.get_strchr
# the default 'c_int' would not work on systems where sizeof(int) != sizeof(void *)
get_strchr.restype = c_void_p
......
Lib/ctypes/test/test_slicing.py
View file @ 16ed4155
......@@ -37,7 +37,7 @@ class SlicesTestCase(unittest.TestCase):
def test_char_ptr(self):
s = "abcdefghijklmnopqrstuvwxyz\0"
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
dll.my_strdup.restype = POINTER(c_char)
res = dll.my_strdup(s)
self.failUnlessEqual(res[:len(s)], s)
......@@ -65,7 +65,7 @@ class SlicesTestCase(unittest.TestCase):
def test_wchar_ptr(self):
s = u"abcdefghijklmnopqrstuvwxyz\0"
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
dll.my_wcsdup.restype = POINTER(c_wchar)
dll.my_wcsdup.argtypes = POINTER(c_wchar),
res = dll.my_wcsdup(s)
......
Lib/ctypes/test/test_stringptr.py
View file @ 16ed4155
......@@ -3,7 +3,7 @@ from ctypes import *
import _ctypes_test
lib = cdll.load(_ctypes_test.__file__)
lib = CDLL(_ctypes_test.__file__)
class StringPtrTestCase(unittest.TestCase):
......
Lib/ctypes/test/test_unicode.py
View file @ 16ed4155
......@@ -8,7 +8,7 @@ except AttributeError:
pass
else:
import _ctypes_test
dll = ctypes.cdll.load(_ctypes_test.__file__)
dll = ctypes.CDLL(_ctypes_test.__file__)
wcslen = dll.my_wcslen
wcslen.argtypes = [ctypes.c_wchar_p]
......@@ -66,7 +66,7 @@ else:
self.failUnlessEqual(buf[:], u"ab\0\0\0\0")
import _ctypes_test
func = ctypes.cdll.load(_ctypes_test.__file__)._testfunc_p_p
func = ctypes.CDLL(_ctypes_test.__file__)._testfunc_p_p
class StringTestCase(UnicodeTestCase):
def setUp(self):
......
Lib/ctypes/test/test_values.py
View file @ 16ed4155
......@@ -10,7 +10,7 @@ import _ctypes_test
class ValuesTestCase(unittest.TestCase):
def test_an_integer(self):
ctdll = cdll.load(_ctypes_test.__file__)
ctdll = CDLL(_ctypes_test.__file__)
an_integer = c_int.in_dll(ctdll, "an_integer")
x = an_integer.value
self.failUnlessEqual(x, ctdll.get_an_integer())
......@@ -18,7 +18,7 @@ class ValuesTestCase(unittest.TestCase):
self.failUnlessEqual(x*2, ctdll.get_an_integer())
def test_undefined(self):
ctdll = cdll.load(_ctypes_test.__file__)
ctdll = CDLL(_ctypes_test.__file__)
self.assertRaises(ValueError, c_int.in_dll, ctdll, "Undefined_Symbol")
class Win_ValuesTestCase(unittest.TestCase):
......
Lib/ctypes/test/test_win32.py
View file @ 16ed4155
......@@ -54,7 +54,7 @@ class Structures(unittest.TestCase):
("right", c_long),
("bottom", c_long)]
dll = cdll.load(_ctypes_test.__file__)
dll = CDLL(_ctypes_test.__file__)
pt = POINT(10, 10)
rect = RECT(0, 0, 20, 20)
......
Lib/ctypes/util.py 0 → 100644
View file @ 16ed4155
import sys, os
import ctypes
# find_library(name) returns the pathname of a library, or None.
if os.name == "nt":
def find_library(name):
# See MSDN for the REAL search order.
for directory in os.environ['PATH'].split(os.pathsep):
fname = os.path.join(directory, name)
if os.path.exists(fname):
return fname
if fname.lower().endswith(".dll"):
continue
fname = fname + ".dll"
if os.path.exists(fname):
return fname
return None
if os.name == "ce":
# search path according to MSDN:
# - absolute path specified by filename
# - The .exe launch directory
# - the Windows directory
# - ROM dll files (where are they?)
# - OEM specified search path: HKLM\Loader\SystemPath
def find_library(name):
return name
if os.name == "posix" and sys.platform == "darwin":
from ctypes.macholib.dyld import dyld_find as _dyld_find
def find_library(name):
possible = ['lib%s.dylib' % name,
'%s.dylib' % name,
'%s.framework/%s' % (name, name)]
for name in possible:
try:
return _dyld_find(name)
except ValueError:
continue
return None
elif os.name == "posix":
# Andreas Degert's find functions, using gcc, /sbin/ldconfig, objdump
import re, tempfile
def _findLib_gcc(name):
expr = '[^\(\)\s]*lib%s\.[^\(\)\s]*' % name
cmd = 'if type gcc &>/dev/null; then CC=gcc; else CC=cc; fi;' \
'$CC -Wl,-t -o /dev/null 2>&1 -l' + name
try:
fdout, outfile = tempfile.mkstemp()
fd = os.popen(cmd)
trace = fd.read()
err = fd.close()
finally:
try:
os.unlink(outfile)
except OSError, e:
if e.errno != errno.ENOENT:
raise
res = re.search(expr, trace)
if not res:
return None
return res.group(0)
def _findLib_ld(name):
expr = '/[^\(\)\s]*lib%s\.[^\(\)\s]*' % name
res = re.search(expr, os.popen('/sbin/ldconfig -p 2>/dev/null').read())
if not res:
# Hm, this works only for libs needed by the python executable.
cmd = 'ldd %s 2>/dev/null' % sys.executable
res = re.search(expr, os.popen(cmd).read())
if not res:
return None
return res.group(0)
def _get_soname(f):
cmd = "objdump -p -j .dynamic 2>/dev/null " + f
res = re.search(r'\sSONAME\s+([^\s]+)', os.popen(cmd).read())
if not res:
return None
return res.group(1)
def find_library(name):
lib = _findLib_ld(name) or _findLib_gcc(name)
if not lib:
return None
return _get_soname(lib)
################################################################
# test code
def test():
from ctypes import cdll
if os.name == "nt":
print cdll.msvcrt
print cdll.load("msvcrt")
print find_library("msvcrt")
if os.name == "posix":
# find and load_version
print find_library("m")
print find_library("c")
print find_library("bz2")
# getattr
## print cdll.m
## print cdll.bz2
# load
if sys.platform == "darwin":
print cdll.LoadLibrary("libm.dylib")
print cdll.LoadLibrary("libcrypto.dylib")
print cdll.LoadLibrary("libSystem.dylib")
print cdll.LoadLibrary("System.framework/System")
else:
print cdll.LoadLibrary("libm.so")
print cdll.LoadLibrary("libcrypt.so")
print find_library("crypt")
if __name__ == "__main__":
test()
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