Grab latest webcam picture and display it on a monitor from the command-line

webcam-viewer.py

#!/usr/bin/python
import pygame, httplib, io
from pygame.locals import *
from PIL import Image, ImageFont, ImageDraw
from time import time, sleep, strftime, localtime


# Screen setup
print "Press ctrl+c"
display = pygame.display
screen = display.set_mode((640, 480), pygame.FULLSCREEN, 16)


# Hide the mouse cursor
pygame.mouse.set_visible(0)


# How often to refresh image
image_ts = 0
image_refresh = 60


def get_image():
        http = httplib.HTTPConnection("etc.ssh22.net")
        http.request("GET", "/image/jpeg.cgi")
        res = http.getresponse()
        data = res.read()

        img = Image.open(io.BytesIO(data))

        draw = ImageDraw.Draw(img)

        font = ImageFont.truetype("tahoma.ttf", 32)
        text_size = draw.textsize(strftime("%Y-%m-%d %H:%M", localtime()), font)
        draw.text((10, (480-20-text_size[1])), strftime("%Y-%m-%d %H:%M", localtime()), font=font, fill=(255, 255, 255))

        return pygame.image.fromstring(img.tostring(), (640, 480), "RGB")


while 1:
        if(image_ts == 0 or (image_ts+image_refresh)<=time()):
                image = get_image()
                image_ts = time()

                screen.fill((0, 0, 0))
                display.flip()
                sleep(0.25)

                screen.blit(image, (0,0))
                display.flip()