python-idle - w3toppers.com

What’s the working directory when using IDLE?

You can easily check that yourself using os.getcwd: >>> import os >>> os.getcwd() ‘C:\\Program Files\\Python33’ That’s on my Windows machine, so it’s probably the installation directory of Python itself. You can change that directory at runtime using os.chdir: >>> os.chdir(‘C:\\Users\\poke\\Desktop\\’) >>> os.getcwd() ‘C:\\Users\\poke\\Desktop’ >>> with open(‘someFile.txt’, ‘w+’) as f: f.write(‘This should be at C:\\Users\\poke\\Desktop\\someFile.txt now.’) … Read more

Pasting multiple lines into IDLE

Probably not the most beautiful procedure, but this works: cmds=””‘ paste your commands, followed by ”’: a = 1 b = 2 c = 3 ”’ Then exec(cmds) will execute them. Or more directly, exec(”’ then paste your commands, followed by ”’): a = 1 b = 2 c = 3 ”’) It’s just a … Read more

What code can I use to check if script is running in IDLE?

I would prefer to do: import sys print(‘Running IDLE’ if ‘idlelib.run’ in sys.modules else ‘Out of IDLE’)

interactive shell debugging with pycharm

Built-in python shell for the current debugging session Set a breakpoint at the line of interest in your code (i.e. by clicking the gutter), and launch debug (right-click in the editor then pick Debug myfile.py…). When the breakpoint is reached, locate the Debug > Console tab, and then click the Show command line icon (see … Read more

How to run a python script from IDLE interactive shell?

Python3: exec(open(‘helloworld.py’).read()) If your file not in the same dir: exec(open(‘./app/filename.py’).read()) See https://stackoverflow.com/a/437857/739577 for passing global/local variables. In deprecated Python versions Python2 Built-in function: execfile execfile(‘helloworld.py’) It normally cannot be called with arguments. But here’s a workaround: import sys sys.argv = [‘helloworld.py’, ‘arg’] # argv[0] should still be the script name execfile(‘helloworld.py’) Deprecated since 2.6: … Read more

How to repeat last command in python interpreter shell?

In IDLE, go to Options -> Configure IDLE -> Keys and there select history-next and then history-previous to change the keys. Then click on Get New Keys for Selection and you are ready to choose whatever key combination you want.

Import module works in terminal but not in IDLE

This typically occurs when multiple versions of python are installed with different paths. You can check to see if you have multiple installations by opening up the IDLE terminal and using import sys sys.version sys.path These commands will print the system PATH and version of the current instance of python. Use this in both IDLE … Read more

Can multiprocessing Process class be run from IDLE

Yes. The following works in that function f is run in a separate (third) process. from multiprocessing import Process def f(name): print(‘hello’, name) if __name__ == ‘__main__’: p = Process(target=f, args=(‘bob’,)) p.start() p.join() However, to see the print output, at least on Windows, one must start IDLE from a console like so. C:\Users\Terry>python -m idlelib … Read more

Implementing a backspace in Python 3.3.2 Shell using Idle [duplicate]

Edit: Apparently the carriage return \r and the backspace \b won’t actually work within Idle because it uses a text control that doesn’t render return/backspace properly. You might be able to write some sort of patch for Idle, but it might be more trouble than it’s worth (unless you really like Idle)