mirror of
https://github.com/hakril/PythonForWindows
synced 2026-06-08 14:31:45 +00:00
Clement Rouault
59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
"""utils fonctions non windows-related"""
|
|
import ctypes
|
|
import _ctypes
|
|
from windows.generated_def import Flag
|
|
|
|
|
|
def fixedpropety(f):
|
|
cache_name = "_" + f.__name__
|
|
|
|
def prop(self):
|
|
try:
|
|
return getattr(self, cache_name)
|
|
except AttributeError:
|
|
setattr(self, cache_name, f(self))
|
|
return getattr(self, cache_name)
|
|
return property(prop, doc=f.__doc__)
|
|
|
|
|
|
def swallow_ctypes_copy(ctypes_object):
|
|
new_copy = type(ctypes_object)()
|
|
ctypes.memmove(ctypes.byref(new_copy), ctypes.byref(ctypes_object), ctypes.sizeof(new_copy))
|
|
return new_copy
|
|
|
|
|
|
# type replacement based on name
|
|
def transform_ctypes_fields(struct, replacement):
|
|
return [(name, replacement.get(name, type)) for name, type in struct._fields_]
|
|
|
|
|
|
def print_ctypes_struct(struct, name="", ident=0, hexa=False):
|
|
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, Flag):
|
|
try:
|
|
print("{0} -> {1}".format(name, hex(value)))
|
|
return
|
|
except TypeError:
|
|
pass
|
|
print("{0} -> {1}".format(name, value))
|
|
return
|
|
|
|
for fname, ftype in struct._fields_:
|
|
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) |