Quine in manim

README.md

A "Quine" is a program that reproduces its own source code in the standard output when it is run.

There is a trivial way of doing so, such as:

with open("source.py") as f:
    print(f.read())

But this is considered cheating. The code should not read the source file.

The shortest quine in Python is:

_='_=%r;print (_%%_)';print (_%_)

Based on it, I wrote a Quine which, when run from Manim, produces an animation that shows its own source code.

quine.py

from manim import *
class Str(str):
    def __repr__(s):
        return "'''{}'''".format(s)
a = Str("""
from manim import *
class Str(str):
    def __repr__(s):
        return "'''{}'''".format(s)
a=Str(%r)
class Quine(Scene):
    def construct(s):
        s.play(Write(Code("",a%%a,language="py").scale(0.8)))')
""")
class Quine(Scene):
    def construct(s):
        s.play(Write(Code("",a%a,language="py").scale(0.8)))