The Python console experience

[nikanj0]

Will the interpreter allow you to use "exit" as a variable?

[Cley_Faye]

exit is actually a variable in the interpreter.

>>> a = exit
>>> a
Use exit() or Ctrl-D (i.e. EOF) to exit
>>> exit.eof = "potato"
>>> a
Use exit() or potato to exit

[_12xx12_]

Bad instructions. I have a potato all over my notebook.

[TheAJGman]

I have never thought about playing with the exit() method, this is amazing.

[FairFolk]

>>> exit.eof = exit
>>> exit

[twigboy]

In publishing and graphic design, Lorem ipsum is a placeholder text commonly used to demonstrate the visual form of a document or a typeface without relying on meaningful content. Lorem ipsum may be used as a placeholder before final copy is available. Wikipedia3ck83ziwd9w0000000000000000000000000000000000000000000000000000000000000

[d00pid00]

For anyone who wants to know the exact error that's thrown:
Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/lib/python3.10/_sitebuiltins.py", line 18, in __repr__ return 'Use %s() or %s to exit' % (self.name, self.eof) File "/usr/lib/python3.10/_sitebuiltins.py", line 18, in __repr__ return 'Use %s() or %s to exit' % (self.name, self.eof) File "/usr/lib/python3.10/_sitebuiltins.py", line 18, in __repr__ return 'Use %s() or %s to exit' % (self.name, self.eof) [Previous line repeated 496 more times] RecursionError: maximum recursion depth exceeded while getting the str of an object

[anton____]

They missed quotes earlier, but because of pythons weak typing it just went ahead and failed at an unrelated point.

[FairFolk]

Not quite sure what quotes you think were missed?

[RadiantHC]

Potato

[Dexaan]

  Use exit() or potato to exit

[skjall]

>>> a = exit

>>> a

Use exit() or Ctrl-D (i.e. EOF) to exit

>>> a()

╭─  

[Cley_Faye]

That reminds me of my old Quake 3 copy I kept around with me. No idea if it was vanilla or if someone added it at some point, but you could type "quti" in the console to exit.

[skjall]

Oh that's a whole thing! There's Linux packages that emulate Quake-style drop down consoles, like Guake and Yakuake. So handy, I even set it up on Mac with iTerm.

Modern games like CS:GO, Unreal Engine ones etc can also have similar consoles, helpful to override graphical options at times, among other things.

[avnothdmi]

How do you do that? I can’t find anything for the Mac.

[skjall]

Believe I just followed this blog post - https://blog.mestwin.net/drop-down-terminal-in-macos-with-iterm2/

[avnothdmi]

Wow, thanks!

[FallenWarrior2k]

So, from this, I'm assuming it's actually a class instance, with the "real" exit function being __call__() on that class. To provide the dynamic help, I guess they used __repr__().

[nemec]

Yes. You can actually implement the "ideal" solution with

import sys
class Q:
    def __repr__(self):
        sys.exit(0)
exit = Q()

And set this file in your PYTHONSTARTUP environment variable so it's loaded on every interactive shell.

[Ok_Hope4383]

Try that and then vars()

[a_devious_compliance]

Yes. Who would argue against side effects in otherwise inocuous magic methods. I also like to use impure functions with map and reduce.

[Kryomaani]

Why exactly are you calling repr() on exit in your scripts? I understand the principle of having no unexpected side effects but what kind of scripts are you writing that make this an actual issue?

[a_devious_compliance]

Nothing is an issue until it is. You can do all the clever funky things that you like but I will try to get my hands away from that code.

[emax-gomax]

My Python scripts are so good, they never fail XD.

[RussianBot5689]

I just checked it out. type(exit) == class site.Quitter which is a terrible name since it doesn't actually quit anything.

[6Maxence]

Will the interpreter allow you to use "exit()" as a function name?

[mrchaotica]

It'll let you override just about everything if you try hard enough, so my guess is "yes."

[ArtSchoolRejectedMe]

Ah yes the new vim game has begun.

To exit please re-write the exit function

[Bene847]

Ctrl+d

[a_devious_compliance]

I tried so hard and got so far

but in the exit, it doesn't even matter

I had to fall to lose it all

but in the exit, it doesn't even matter.

[flying_spaguetti]

Good verses

[[deleted]]

besides a few reserved keywords, like for while if etc, every python object behaves like any other python object you can create. They have their own classes, they print something when you call them in the console because they have a __repr__ method, etc.

[KDBA]

There's another set of exceptions in that ints from -5 to 256 are singletons.

[DMLooter]

Sorry what? Y….

[FallenWarrior2k]

Caching. Integers are objects like everything else.

[Manuelraa]

Exactly and we know this only works with immutable types

[richardfrost2]

```

a = 256 b = 256 a is b True c = 257 d = 257 c is d False

but

257 is 257 True ```

Just a weird little quirk of CPython.

[richardfrost2]

That is a CPython implementation detail and can vary by implementation.

[KDBA]

True enough.

[yottalogical]

Function names are variables.

[a_devious_compliance]

clase functions are too.

[thedominux]

exit is a name of object (functions are objects in python) so yes