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#!/usr/bin/env python
import os, sys, argparse, os.path, json, time, signal, atexit
import pixelterm
from PIL import Image, GifImagePlugin, ImageSequence
clear_screen = '\033[H\033[2J'
home_cursor = '\033[H'
cursor_invisible = '\033[?25l'
cursor_visible = '\033[?25h'
def main():
parser = argparse.ArgumentParser(description='Render pixel images on 256-color ANSI terminals')
parser.add_argument('image', type=str)
parser.add_argument('-s', '--size', type=str, help='Terminal size, [W]x[H]')
parser.add_argument('--serve', type=int, help='Serve via TCP on given port')
args = parser.parse_args()
tw, th = None, None
if args.size:
tw, th = map(int, args.size.split('x'))
else:
try:
tw, th = os.get_terminal_size()
except: # If this is not a regular terminal
pass
th = th*2
img = Image.open(args.image)
palette = img.getpalette()
last_frame = Image.new("RGBA", img.size)
frames = []
for frame in ImageSequence.Iterator(img):
#This works around a known bug in Pillow
#See also: http://stackoverflow.com/questions/4904940/python-converting-gif-frames-to-png
frame.putpalette(palette)
c = frame.convert("RGBA")
if img.info['background'] != img.info['transparency']:
last_frame.paste(c, c)
else:
last_frame = c
im = last_frame.copy()
if (tw, th) != (None, None):
im.thumbnail((tw, th), Image.NEAREST)
frames.append(pixelterm.termify_pixels(im, True))
if args.serve:
from socketserver import ThreadingMixIn, TCPServer, BaseRequestHandler
# Quote-Of-The-Day protocol implementation
# See RFC865 ( https://tools.ietf.org/html/rfc865 ) for details.
class ThreadingTCPServer(ThreadingMixIn, TCPServer): pass
class QOTDHandler(BaseRequestHandler):
def handle(self):
try:
self.request.sendall(bytes(cursor_invisible, "UTF-8"))
while True:
for frame in frames:
self.request.sendall(bytes(home_cursor + pixelterm.reset_sequence, "UTF-8"))
self.request.sendall(bytes(frame, "UTF-8"))
time.sleep(min(1/10, img.info['duration']/1000.0))
except:
pass
server = ThreadingTCPServer(('', args.serve), QOTDHandler)
server.serve_forever()
else:
print(cursor_invisible)
atexit.register(lambda:print(cursor_visible))
signal.signal(signal.SIGTERM, lambda signum, stack_frame: exit(1))
try:
while True:
for frame in frames:
print(home_cursor)
print(pixelterm.reset_sequence)
print(frame)
time.sleep(min(1/10, img.info['duration']/1000.0))
except KeyboardInterrupt:
pass
if __name__ == '__main__':
main()
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