Quick question about ctypes syntax, as documentation for Unions isn\'t clear for a beginner like me. Say I want to implement an INPUT structure (see here):
Is it possible to modify the _fields_ definition of the ctypes.Structure after it\'s been imported? Something like:
I am trying to understand the Python \"ctypes\" module.I have put together a trivial example that -- ideally -- wraps the statvfs() function call.The code looks like this:
I\'m writing some python code to interact with a C DLL that uses structures extensively. One of those structures contains nested structures.I know that this is not a problem for the ctypes module.The
I\'m trying to convert a 16 byte blob of data returned by socket.inet_pton into a ctypes array of unsigned bytes. My data structure looks like this:
I am trying to wrap a C library using ctypes.One feature of the library is an ondestroy callback which is called when a handle returned by the library is about to be destroyed.
I am still writing on a python interface for my c code with ctypes. Today I substituted my file reading function with a python version, which was programmed by somebody else using NumPy. The \'old\' c
Using a Python a开发者_运维百科rray, I can initialize a 32,487,834 integer array (found in a file HR.DAT) using the following (not perfectly Pythonic, of course) commands:
I have the following DLL (\'arrayprint.dll\') function that I want to use in Python via ctypes: __declspec(dllexport) void PrintArray(int* pArray) {
import ctypes a = \'开发者_开发技巧abc\' b = ctypes.string_at(id(a), 3) c = ctypes.string_at(id(a) + 20, 3)