I’m trying to understand the Keep Alive (py::keep_alive) feature of pybind11. Specifically under what circumstances it needs to be used. The documentation provides this example: Consider the following example: here, the binding code for a list append operation ties the lifetime of the newly added element to the underlying container: py::class_<List>(m, "List") .def("append", &List::append, py::keep_alive<1, ..
Category : python
I have this code running in a separate thread: main.py: if __name__ == ‘__main__’: try: threading.Thread(target=pull_data_from_file, args=()).start() except Exception as e: print(e) other file: import asyncio import asyncio def pull_data_from_file(): asyncio.run(handle_pd_data_messages()) async def handle_data_messages(): uri = properties[‘websocket_uri’] while True: try: async with websockets.connect(uri) as websocket: async for message in websocket: try: json_data = json.loads(message) json_data[‘msg’] ..
I have a client and a server. I want to make a Python code that will download the program from the server directly to the memory and execute it as background process regardless of the client-side downloading code. It’s hard to think how to make this work because you don’t need to execute it since ..
I want to keep nightlight on the whole time, but Windows keeps turning if off randomly/once the pc is locked. I tried adding a new .reg which unfortunately didn’t really help. I wanted to make a batch/python script that enables nightlight every 5 minutes, but I have no idea what the code would look like. ..
Please consider the following C++ pybind11 program: #include <pybind11/embed.h> namespace py = pybind11; int main() { py::scoped_interpreter guard{}; py::dict locals; py::exec(R"( import sys def f(): print(sys.version) )", py::globals(), locals); locals["f"](); // <– ERROR } The py::exec call and the enclosed import sys call both succeed, but the call locals["f"]() throws an exception: NameError: name ‘sys’ ..
I currently started a new job where my first project will be to create a GUI application. Currently the application will require reading/writing functionality from either a database or flatfile system. Also future requirements may include connection to VPN and automatic emailing. I am most experienced at coding in python, however I am curious as ..
I need to check if there is any virtual environment is present or not through command prompt in windows. Is there any effective and reliable method to check. Please help if anyone knows. C:Program FilesPython38 – this is the path where I need to check Source: Windows..
This is what occurs when installing the pyinstaller, please help me solve this. pip install pyinstaller WARNING: Ignoring invalid distribution -p (c:python310libsite-packages) WARNING: Ignoring invalid distribution -p (c:python310libsite-packages) WARNING: Ignoring invalid distribution -ip (c:python310libsite-packages) WARNING: Ignoring invalid distribution – (c:python310libsite-packages) WARNING: Ignoring invalid distribution -p (c:python310libsite-packages) WARNING: Ignoring invalid distribution -p (c:python310libsite-packages) WARNING: Ignoring invalid ..
I have a Tensorflow light model and have received the python inference code. The python code is as follows. For the sake of simplicity, I am feeding the same image as both inputs to the network, and I have also disabled the preprocess_input portion of the code: import argparse import cv2 import numpy as np ..
I have recently been trying to make a Snake game in python. The program shows no errors at all, yet the sprites do not draw when I run the program. I’ve tried to run the program in Python instead on in Visual Studio Code, I tried to change the name of Variables, I have reviewed ..
Web Development Company
Recent Comments