A user I/O handler
nuio is an attempt to add a standardized and easy-to-use user input/output interface for python.
The goal is to provide a set of classes with print-alike-operating methods and a few other methods for markup & co to deal with user input/output.
Currently nuio is able to eal with POSIX Terminals. The corresponding classes are in nuio.input.terminal and nio.output.terminal.
nuio tries to keep stuff as simple as possible, but it requires python3.5.1+ language features.
Any blocking user-input is done using async features, this will become handy in future.
The following features should be added:
- curses based I/O
- an AJAX based I/O system
- non-POSIX terminals
- fancy frames for BlockOutput
This is a simple example for nuio:
#!/usr/bin/python3 from nuio.input.terminal import POSIXTerminalInput from nuio.output.terminal import TerminalOutput, ESCAPES, TerminalBlockOutput import asyncio, shutil async def main(): width, height = shutil.get_terminal_size() # an output device out = TerminalBlockOutput(height - 10, width) out.print("This is a test") # input devices require an output device to handle prompts. inp = POSIXTerminalInput(out) data = await inp.input_int(prompt = "enter an integer > ") # You are able to use a bunch of ANSI escape sequences. # Usually you should use nuio.output.terminal.colors instead, # this will be compatible with other output devices. out.print_colored(ESCAPES["underline"], "you entered:", data) data = await inp.input_int(prompt = "enter an integer [4-100] > ", range = range(4, 100)) out.print_colored(ESCAPES["fg_red"], "you entered:", data) data = await inp.input_float(prompt = "enter an float [4-100] > ", range = range(4, 100)) out.print_colored(ESCAPES["bg_cyan"] + ESCAPES["fg_black"], "you entered:", data) # Usually you should make the input async, # but to simplify this the complete main function is async. loop = asyncio.get_event_loop() loop.run_until_complete(main()) loop.close()
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