ramalho

Função genérica para converter valores de uma faixa de entrada para uma faixa de saída.

Exemplos de uso

Conversão de temperatura agradável de Celsius para Fahrenheit:

>>> conv(22, 0, 100, 32, 212)
71.6

ramalho

>>> import dis
>>> def f(x):
...     return 1+2+3+4+x
...
>>> f(5)
15
>>> dis.dis(f)
  2           0 LOAD_CONST               7 (10)
              3 LOAD_FAST                0 (x)
              6 BINARY_ADD

ramalho

>>> def prange(n):
...     for i in range(n):
...         print('->', i)
...         yield i
...
>>> def f(a, b, c):
...     print((a, b, c))
...
>>> f(*prange(3))
-> 0

ramalho

"""
A ``send`` function to drive coroutines.


Driving a coroutine that does not yield interesting values:

    >>> coro_printer = printer()
    >>> _ = send(coro_printer, 10)
    got -> 10
    >>> _ = send(coro_printer, 20)

ramalho

# Code below is the expansion of the statement:
#
# RESULT = yield from EXPR
#
# Copied verbatim from the Formal Semantics section of
# PEP 380 -- Syntax for Delegating to a Subgenerator
#
# https://www.python.org/dev/peps/pep-0380/#formal-semantics

_i = iter(EXPR)

ramalho

#!/usr/bin/env python3

# Copyright 2014 Brett Slatkin, Pearson Education Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#

ramalho

# spinner_asyncio.py

# credits: Example by Luciano Ramalho inspired by
# Michele Simionato's multiprocessing example
# source:
# http://python-3-patterns-idioms-test.readthedocs.org/en/latest/CoroutinesAndConcurrency.html

import sys
import asyncio

ramalho

import pingo
from time import sleep

board = pingo.detect.MyBoard()
led = board.pins[13]
led.mode = pingo.OUT

while True:
    led.toggle()
    sleep(1)

ramalho

import pingo
from time import sleep
 
board = pingo.detect.MyBoard()
pin = board.pins[13]
pin.mode = pingo.OUT

led = pingo.parts.Led(pin)
 
led.blink(10, .5, .1)  # new thread

ramalho

"""
romanos.py - arabicos para romanos


    >>> ara2rom(1)
    'I'
    >>> ara2rom(2)
    'II'
    >>> ara2rom(3)
    'III'