dabeaz

# Author: David Beazley (https://www.dabeaz.com)
# Twitter: @dabeaz

from functools import reduce
run = lambda s: reduce(lambda *_:..., iter(lambda s=[s]:
                      (_:=s.pop()(),s.append(_))[0], None))

const   = lambda v,c   : lambda: c(v)
add     = lambda x,y,c : lambda: c(x+y)
mul     = lambda x,y,c : lambda: c(x*y)

dabeaz

# fibonacci.py

def 𝙛𝒊𝗯𝗼𝐧ₐ𝗰𝖈ⅈ(n: 𝑖𝑛𝘵) -> ⁱ𝗇𝔱:
    if 𝕟 <= 2:
        return 1
    else:
        return 𝖋ⁱ𝓫𝘰𝖓ᵃ𝒄c𝖎(ⁿ-1) + ｆ𝚒𝔟𝒐𝓷𝑎𝔠𝐜𝘪(𝓃-2)

for n in 𝒓𝘢ｎ𝐠ℯ(1, 10):
    𝑝𝖗ｉ𝖓𝘁(𝐟𝔦ｂ𝓸nₐc𝒄ᵢ(n))

dabeaz

# aproducer.py
#
# Async Producer-consumer problem.
# Challenge: How to implement the same functionality, but no threads.

import time
from collections import deque
import heapq

class Scheduler:

dabeaz

Code from PyCon India 2019 Keynote Talk
David Beazley (https://www.dabeaz.com)
======================================

This code is presented "as is" and represents what was live-coded
during my closing keynote presentation at PyCon India, Chennai,
October 13, 2009.  I have made no changes to the files.

Requires:  Python 3.6+, numpy, pygame

dabeaz

# A Curio adaption of benchmark code at:
# 
# https://gist.github.com/pitrou/202221ca9c9c74c0b48373ac89e15fd7

import struct
try:
    from time import perf_counter as clock
except ImportError:
    from time import time as clock

dabeaz

# See: https://github.com/dabeaz/sly
from sly import Lexer, Parser

class CalcLexer(Lexer):
    tokens = {
        'NAME', 'NUMBER',
        }
    ignore = ' \t'
    literals = { '=', '+', '-', '*', '/', '(', ')' }

dabeaz

# bug.py

def decorate(func):
    print('Decorating', func.__name__)
    return func

def wrap_methods(cls):
    for name in vars(cls):
        if name.startswith('f_'):
            setattr(cls, name, decorate(getattr(cls, name)))

dabeaz

# aecho.py

from socket import *
import asyncio

loop = asyncio.get_event_loop()

async def echo_server(address):
    sock = socket(AF_INET, SOCK_STREAM)
    sock.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)

dabeaz

dabeaz

/* Routines for advanced debuggers, requested by David Beazley.
   Don't use unless you know what you are doing! */

PyInterpreterState *
PyInterpreterState_Head(void)
{
    return interp_head;
}

PyInterpreterState *