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# closures in python

def f0(x):
    closed_var = x + 1
    def fclose():
        return closed_var
    return fclose

a_closure = f0(9)
# the 'closed_var' is now x + 1 == 10

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'''

    How to download and cut up the video (requires python3 and ffmpeg)

      virtualenv-3.4 anenv
      . ./anenv/bin/activate
      pip3.4 install you-get
      you-get https://vimeo.com/45878034
      ffmpeg -i View\ from\ the\ ISS\ at\ Night\ from\ Knate\ Myers\ on\ Vimeo.mp4 -ss 00:02:36 -t 00:00:10 -c copy source-video.mp4

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"""A tool for saving files to and from a postgresql db.
"""
import os
import sys
import argparse
import psycopg2

db_conn_str = "postgresql://username:password@localhost:5432/dbname"
create_table_stm = """
CREATE TABLE files (

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import pygame

def draw_outlined_circle2(surf, color, origin, radius, thickness):
    width = radius * 2 + thickness * 2
    background = (0, 0, 0, 0)
    circle = pygame.Surface((width, width)).convert_alpha()
    rect = circle.get_rect()
    circle.fill(background)
    pygame.draw.circle(circle, color, rect.center, radius)
    pygame.draw.circle(circle, background, rect.center, radius - thickness)

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#circle.py
import pygame

def draw_outlined_circle2(surf, color, origin, radius, thickness):
    width = radius * 2 + thickness * 2
    background = (0, 0, 0, 0)
    circle = pygame.Surface((width, width)).convert_alpha()
    rect = circle.get_rect()
    circle.fill(background)
    pygame.draw.circle(circle, color, rect.center, radius)

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import pygame
pygame.init()
pygame.display.set_mode((500, 400), 0, 32)
while True:
    for event in pygame.event.get():
        print(event)

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""" Some examples for generating and converting sounds for pygame.

Python 2.7, 3.6

Shows:
    - a simple 'square wave' generated
    - resampling sample rates (eg, 8363 to 44100)
    - using built in python array for making pygame.Sound samples.
    - samples at different bit sizes
    - converting from signed 8 to signed 16bit

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# Shows how to send custom events with pygame.

# AND serial port data (from perhaps an arduino).
#   It sends the serial data into pygame (with custom events).
# The SERIAL event is only posts when it receives a new line.
# NOTE: No error correction is done here. Serial data can corrupt.

import pygame as pg
import serial
ser = serial.Serial('/dev/tty.usbmodem1411', 9600, timeout = 0)

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import os
import pygame as pg

main_dir = os.path.split(os.path.abspath(__file__))[0]
# data_dir = os.path.join(main_dir, 'data')
data_dir = main_dir

def show(image):
    screen = pg.display.get_surface()
    screen.fill((0, 255, 255))

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class Portmidi < Formula
  desc "Cross-platform library for real-time MIDI I/O"
  homepage "https://sourceforge.net/projects/portmedia/"
  url "https://downloads.sourceforge.net/project/portmedia/portmidi/217/portmidi-src-217.zip"
  sha256 "08e9a892bd80bdb1115213fb72dc29a7bf2ff108b378180586aa65f3cfd42e0f"
  revision 1

  bottle do
    cellar :any
    sha256 "c8f2755fd775064c282da84d666336d9125c6e70082975ffdc0867dee60b5802" => :high_sierra