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Python curses example code

 

 

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Python Curses Example of Dungeon-Building Algorithm. import curses import random # Please note that curses uses a y,x coordination system. # In the code you see here, I'll be using x,y # If any of the code seems inconsistent, it's because I took # some of the things from my current project out and replaced # for the purposes of this article while True: stay in this loop till the user presses 'q' ch = scr.getch () if ch == ord ('q'): curses.wrapper (main) Here, wrapper will initialize curses, create stdscr, a WindowObject and pass both stdscr, and any further arguments to func. When func returns, wrapper will restore the terminal before the program exits. The example below contains the equivalent of above: main (scr, *args): # -- Perform an action with Screen -- scr.border (0) scr.addstr (5, 5, 'Hello from Curses!', curses.A_BOLD) scr.addstr (6, 5, 'Press q to close this screen', curses.A_NORMAL) while True: # stay in this loop till the user presses 'q' ch = scr.getch () if ch == ord ('q The code itself could be more optimised. Perhaps using curses.napms to delay the rendering instead of using window.timeout. Adding sound effects and a theme song should be easy and fun. Currently this code only works on Linux and Mac OSX. In order to make it work with Windows platform, UniCurses should be used instead of curses. Python curses, pythoncurses import cursesstdscr = curses.initscr () curses.noecho () curses.cbreak () stdscr.keypad (1) Curses. nocbreak () # disable the character terminal function (terminal only occurs when you press Enter) stdscr. keypad (0) curses. echo () # enable the input echo Function curses.endwin () Pandas how to find column contains a certain value Recommended way to install multiple Python versions on Ubuntu 20.04 Build super fast web scraper with Python x100 than BeautifulSoup How to convert a SQL query result to a Pandas DataFrame in Python How to write a Pandas DataFrame to a .csv file in Python In Python this commonly happens when your code is buggy and raises an uncaught exception. Keys are no longer echoed to the screen when you type them, for example, which makes using the shell difficult. In Python you can avoid these complications and make debugging much easier by importing the curses.wrapper() function and using it like this: You can: wrap your code in a try/finally block that calls curses.endwin(); capture the interrupt signal specifically via the signal library; use the atexit library.; The first option is probably the simplest for a basic case (if you're not running much code). def setup(stdscr): # curses curses.use_default_colors() curses.start_color() curses.use_default_colors() for i in range(0, curses.COLORS): curses.init_pair(i + 1, i, -1) curses.curs_set(False) stdscr.timeout(0) # prepare input thread mechanisms curses_lock = Lock() input_queue = Queue() quit_event = Event() return (curses_lock, input_queue, quit_event) This HOWTO is an introduction to writing text-mode programs with curses and Python. It doesn't attempt to be a complete guide to the curses API; for that, see the Python library guide's section on ncurses, and the C manual pages for ncurses. It will, however, give you the basic ideas. 2Starting and ending a curses application Before doing Curses is a basic terminal ( or character display ) handling module from Python. This can be used to create Terminal based User interfaces or TUIs. This is a python port of a more popular C library 'ncurses'. Basic Invocation

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