Python _ctypes._Pointer() Examples
The following are 24
code examples of _ctypes._Pointer().
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_ctypes
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Example #1
| Source File: _dtype_ctypes.py From Carnets with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def dtype_from_ctypes_type(t):
"""
Construct a dtype object from a ctypes type
"""
if issubclass(t, _ctypes.Array):
return _from_ctypes_array(t)
elif issubclass(t, _ctypes._Pointer):
raise TypeError("ctypes pointers have no dtype equivalent")
elif issubclass(t, _ctypes.Structure):
return _from_ctypes_structure(t)
elif issubclass(t, _ctypes.Union):
return _from_ctypes_union(t)
elif isinstance(getattr(t, '_type_', None), str):
return _from_ctypes_scalar(t)
else:
raise NotImplementedError(
"Unknown ctypes type {}".format(t.__name__))
Example #2
| Source File: _dtype_ctypes.py From coffeegrindsize with MIT License | 6 votes |
|
def dtype_from_ctypes_type(t):
"""
Construct a dtype object from a ctypes type
"""
if issubclass(t, _ctypes.Array):
return _from_ctypes_array(t)
elif issubclass(t, _ctypes._Pointer):
raise TypeError("ctypes pointers have no dtype equivalent")
elif issubclass(t, _ctypes.Structure):
return _from_ctypes_structure(t)
elif issubclass(t, _ctypes.Union):
return _from_ctypes_union(t)
elif isinstance(getattr(t, '_type_', None), str):
return _from_ctypes_scalar(t)
else:
raise NotImplementedError(
"Unknown ctypes type {}".format(t.__name__))
Example #3
| Source File: remotectypes.py From LKD with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def _handle_field_getattr(self, ftype, fosset, fsize):
s = self._target.read_memory(self._base_addr + fosset, fsize)
if ftype in self._field_type_to_remote_type:
return self._field_type_to_remote_type[ftype].from_buffer_with_target(bytearray(s), target=self._target).value
if issubclass(ftype, _ctypes._Pointer): # Pointer
return RemoteStructurePointer.from_buffer_with_target_and_ptr_type(bytearray(s), target=self._target, ptr_type=ftype)
if issubclass(ftype, RemotePtr64): # Pointer to remote64 bits process
return RemoteStructurePointer64.from_buffer_with_target_and_ptr_type(bytearray(s), target=self._target, ptr_type=ftype)
if issubclass(ftype, RemoteStructureUnion): # Structure|Union already transfomed in remote
return ftype(self._base_addr + fosset, self._target)
if issubclass(ftype, ctypes.Structure): # Structure that must be transfomed
return RemoteStructure.from_structure(ftype)(self._base_addr + fosset, self._target)
if issubclass(ftype, ctypes.Union): # Union that must be transfomed
return RemoteUnion.from_structure(ftype)(self._base_addr + fosset, self._target)
if issubclass(ftype, _ctypes.Array): # Arrays
return create_remote_array(ftype._type_, ftype._length_)(self._base_addr + fosset, self._target)
# Normal types
# Follow the ctypes usage: if it's not directly inherited from _SimpleCData
# We do not apply the .value
# Seems weird but it's mandatory AND useful :D (in pe_parse)
if _SimpleCData not in ftype.__bases__:
return ftype.from_buffer(bytearray(s))
return ftype.from_buffer(bytearray(s)).value
Example #4
| Source File: __init__.py From filmkodi with Apache License 2.0 | 6 votes |
|
def POINTER(cls):
try:
return _pointer_type_cache[cls]
except KeyError:
pass
if type(cls) is str:
klass = type(_Pointer)("LP_%s" % cls,
(_Pointer,),
{})
_pointer_type_cache[id(klass)] = klass
return klass
else:
name = "LP_%s" % cls.__name__
klass = type(_Pointer)(name,
(_Pointer,),
{'_type_': cls})
_pointer_type_cache[cls] = klass
return klass
Example #5
| Source File: __init__.py From PyDev.Debugger with Eclipse Public License 1.0 | 6 votes |
|
def POINTER(cls):
try:
return _pointer_type_cache[cls]
except KeyError:
pass
if type(cls) is str:
klass = type(_Pointer)("LP_%s" % cls,
(_Pointer,),
{})
_pointer_type_cache[id(klass)] = klass
return klass
else:
name = "LP_%s" % cls.__name__
klass = type(_Pointer)(name,
(_Pointer,),
{'_type_': cls})
_pointer_type_cache[cls] = klass
return klass
Example #6
| Source File: _dtype_ctypes.py From Mastering-Elasticsearch-7.0 with MIT License | 6 votes |
|
def dtype_from_ctypes_type(t):
"""
Construct a dtype object from a ctypes type
"""
if issubclass(t, _ctypes.Array):
return _from_ctypes_array(t)
elif issubclass(t, _ctypes._Pointer):
raise TypeError("ctypes pointers have no dtype equivalent")
elif issubclass(t, _ctypes.Structure):
return _from_ctypes_structure(t)
elif issubclass(t, _ctypes.Union):
return _from_ctypes_union(t)
elif isinstance(getattr(t, '_type_', None), str):
return _from_ctypes_scalar(t)
else:
raise NotImplementedError(
"Unknown ctypes type {}".format(t.__name__))
Example #7
| Source File: _dtype_ctypes.py From predictive-maintenance-using-machine-learning with Apache License 2.0 | 6 votes |
|
def dtype_from_ctypes_type(t):
"""
Construct a dtype object from a ctypes type
"""
if issubclass(t, _ctypes.Array):
return _from_ctypes_array(t)
elif issubclass(t, _ctypes._Pointer):
raise TypeError("ctypes pointers have no dtype equivalent")
elif issubclass(t, _ctypes.Structure):
return _from_ctypes_structure(t)
elif issubclass(t, _ctypes.Union):
return _from_ctypes_union(t)
elif isinstance(getattr(t, '_type_', None), str):
return _from_ctypes_scalar(t)
else:
raise NotImplementedError(
"Unknown ctypes type {}".format(t.__name__))
Example #8
| Source File: _dtype_ctypes.py From recruit with Apache License 2.0 | 6 votes |
|
def dtype_from_ctypes_type(t):
"""
Construct a dtype object from a ctypes type
"""
if issubclass(t, _ctypes.Array):
return _from_ctypes_array(t)
elif issubclass(t, _ctypes._Pointer):
raise TypeError("ctypes pointers have no dtype equivalent")
elif issubclass(t, _ctypes.Structure):
return _from_ctypes_structure(t)
elif issubclass(t, _ctypes.Union):
return _from_ctypes_union(t)
elif isinstance(getattr(t, '_type_', None), str):
return _from_ctypes_scalar(t)
else:
raise NotImplementedError(
"Unknown ctypes type {}".format(t.__name__))
Example #9
| Source File: test_functions.py From ironpython3 with Apache License 2.0 | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #10
| Source File: test_functions.py From android_universal with MIT License | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #11
| Source File: remotectypes.py From PythonForWindows with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def _handle_field_getattr(self, ftype, fosset, fsize):
s = self._target.read_memory(self._base_addr + fosset, fsize)
if ftype in self._field_type_to_remote_type:
return self._field_type_to_remote_type[ftype].from_buffer_with_target(bytearray(s), target=self._target).value
if issubclass(ftype, _ctypes._Pointer): # Pointer
return RemoteStructurePointer.from_buffer_with_target_and_ptr_type(bytearray(s), target=self._target, ptr_type=ftype)
if issubclass(ftype, RemotePtr64): # Pointer to remote64 bits process
return RemoteStructurePointer64.from_buffer_with_target_and_ptr_type(bytearray(s), target=self._target, ptr_type=ftype)
if issubclass(ftype, RemotePtr32): # Pointer to remote32 bits process
return RemoteStructurePointer32.from_buffer_with_target_and_ptr_type(bytearray(s), target=self._target, ptr_type=ftype)
if issubclass(ftype, RemoteStructureUnion): # Structure|Union already transfomed in remote
return ftype(self._base_addr + fosset, self._target)
if issubclass(ftype, ctypes.Structure): # Structure that must be transfomed
return RemoteStructure.from_structure(ftype)(self._base_addr + fosset, self._target)
if issubclass(ftype, ctypes.Union): # Union that must be transfomed
return RemoteUnion.from_structure(ftype)(self._base_addr + fosset, self._target)
if issubclass(ftype, _ctypes.Array): # Arrays
# if this is a string: just cast the read value to string
if ftype._type_ == ctypes.c_char: # Use issubclass instead ?
return s.split("\x00", 1)[0]
elif ftype._type_ == ctypes.c_wchar: # Use issubclass instead ?
# Decode from utf16 -> size /=2 | put it in a wchar array | split at the first "\x00"
return (ftype._type_ * (fsize / 2)).from_buffer_copy(s.decode('utf16'))[:].split("\x00", 1)[0] # Sorry..
# I am pretty sur something smarter is possible..
return create_remote_array(ftype._type_, ftype._length_)(self._base_addr + fosset, self._target)
# Normal types
# Follow the ctypes usage: if it's not directly inherited from _SimpleCData
# We do not apply the .value
# Seems weird but it's mandatory AND useful :D (in pe_parse)
if _SimpleCData not in ftype.__bases__:
return ftype.from_buffer(bytearray(s))
return ftype.from_buffer(bytearray(s)).value
Example #12
| Source File: remotectypes.py From PythonForWindows with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def is_pointer_type(x):
return issubclass(x, _ctypes._Pointer)
Example #13
| Source File: remotectypes.py From PythonForWindows with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def is_pointer(x):
return isinstance(x, _ctypes._Pointer)
Example #14
| Source File: test_functions.py From odoo13-x64 with GNU General Public License v3.0 | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #15
| Source File: test_functions.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #16
| Source File: test_functions.py From datafari with Apache License 2.0 | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #17
| Source File: test_functions.py From Imogen with MIT License | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #18
| Source File: test_functions.py From Fluid-Designer with GNU General Public License v3.0 | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #19
| Source File: test_functions.py From oss-ftp with MIT License | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #20
| Source File: test_functions.py From BinderFilter with MIT License | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #21
| Source File: remotectypes.py From LKD with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def is_pointer_type(x):
return issubclass(x, _ctypes._Pointer)
Example #22
| Source File: remotectypes.py From LKD with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def is_pointer(x):
return isinstance(x, _ctypes._Pointer)
Example #23
| Source File: test_functions.py From ironpython2 with Apache License 2.0 | 5 votes |
|
def test_mro(self):
# in Python 2.3, this raises TypeError: MRO conflict among bases classes,
# in Python 2.2 it works.
#
# But in early versions of _ctypes.c, the result of tp_new
# wasn't checked, and it even crashed Python.
# Found by Greg Chapman.
try:
class X(object, Array):
_length_ = 5
_type_ = "i"
except TypeError:
pass
from _ctypes import _Pointer
try:
class X(object, _Pointer):
pass
except TypeError:
pass
from _ctypes import _SimpleCData
try:
class X(object, _SimpleCData):
_type_ = "i"
except TypeError:
pass
try:
class X(object, Structure):
_fields_ = []
except TypeError:
pass
Example #24
| Source File: pythonutils.py From PythonForWindows with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
def print_ctypes_struct(struct, name="", hexa=False):
sprint_method = getattr(struct, "__sprint__", None)
if sprint_method is not None:
# Allow function to accept 'hexa' param
# But handle function that don't, So we can just do:
# __sprint__ = __repr__
print("{0} -> {1}".format(name, sprint_method()))
return
if isinstance(struct, _ctypes._Pointer):
if ctypes.cast(struct, ctypes.c_void_p).value is None:
print("{0} -> NULL".format(name))
return
return print_ctypes_struct(struct[0], name + "<deref>", hexa=hexa)
if not hasattr(struct, "_fields_"):
value = struct
if hasattr(struct, "value"):
value = struct.value
if isinstance(value, basestring):
value = repr(value)
if hexa and not isinstance(value, gdef.Flag):
try:
print("{0} -> {1}".format(name, hex(value)))
return
except TypeError:
pass
print("{0} -> {1}".format(name, value))
return
for field in struct._fields_:
if len(field) == 2:
fname, ftype = field
nb_bits = None
elif len(field) == 3:
fname, ftype, nb_bits = field
else:
raise ValueError("Unknown ctypes field entry format <{0}>".format(field))
try:
value = getattr(struct, fname)
except Exception as e:
print("Error while printing <{0}> : {1}".format(fname, e))
continue
print_ctypes_struct(value, "{0}.{1}".format(name, fname), hexa=hexa)
