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#!/usr/bin/env python
import os, sys, argparse, os.path, json, time, signal, atexit
from collections import defaultdict
from pixelterm.pixelterm import termify_pixels, reset_sequence
from pixelterm.unpixelterm import unpixelterm
from PIL import Image, PngImagePlugin, GifImagePlugin, ImageSequence
import re
def pixelterm():
import os, sys, argparse, os.path, json
from multiprocessing.dummy import Pool
from PIL import Image, PngImagePlugin
parser = argparse.ArgumentParser(description='Render pixel images on 256-color ANSI terminals')
parser.add_argument('image', type=str, nargs='*')
parser.add_argument('-d', '--output-dir', type=str, help='Output directory (if not given, output to stdout)')
args = parser.parse_args()
def convert(f):
img = Image.open(f).convert("RGBA")
if args.output_dir:
print(f)
foo, _, _ = f.rpartition('.png')
output = os.path.join(args.output_dir, os.path.basename(foo)+'.pony')
metadata = json.loads(img.info.get('pixelterm-metadata'))
comment = metadata.get('_comment')
if comment is not None:
del metadata['_comment']
comment = '\n'+comment
else:
comment = ''
metadataarea = '$$$\n' +\
'\n'.join([ '\n'.join([ k.upper() + ': ' + v for v in metadata[k] ]) for k in sorted(metadata.keys()) ]) +\
comment + '\n$$$\n'
with open(output, 'w') as of:
of.write(metadataarea)
of.write(termify_pixels(img))
else:
print(termify_pixels(img))
p = Pool()
p.map(convert, args.image)
def unpixelterm():
import argparse, json
parser = argparse.ArgumentParser(description='Convert images rendered by pixelterm-like utilities back to PNG')
parser.add_argument('-v', '--verbose', action='store_true')
output_group = parser.add_mutually_exclusive_group()
output_group.add_argument('-o', '--output', type=str, help='Output file name, defaults to ${input%.pony}.png')
output_group.add_argument('-d', '--output-dir', type=str, help='Place output files here')
parser.add_argument('input', type=argparse.FileType('r'), nargs='+')
args = parser.parse_args()
if len(args.input) > 1 and args.output:
parser.print_help()
print('You probably do not want to overwrite the given output file {} times.'.format(len(args.input)))
sys.exit(1)
for f in args.input:
if len(args.input) > 1:
print(f.name)
img, metadata = unpixelterm(f.read())
pnginfo = PngImagePlugin.PngInfo()
pnginfo.add_text('pixelterm-metadata', json.dumps(metadata))
foo, _, _ = f.name.rpartition('.pony')
output = args.output or foo+'.png'
if args.output_dir:
output = os.path.join(args.output_dir, os.path.basename(output))
img.save(output, 'PNG', pnginfo=pnginfo)
clear_screen = '\033[H\033[2J'
home_cursor = '\033[H'
cursor_invisible = '\033[?25l'
cursor_visible = '\033[?25h'
def gifterm():
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.get('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(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 + 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(reset_sequence)
print(frame)
time.sleep(min(1/10, img.info['duration']/1000.0))
except KeyboardInterrupt:
pass
# Display an xterm-256color color palette on the terminal, including color ids
reset_sequence = '\033[39;49m'
def _esc(i):
return '\033[48;5;'+str(i)+'m'
def colorcube():
print(''.join([str(i).ljust(4) for i in range(16)]))
print(' '.join([_esc(i) for i in range(16)])+' ' + reset_sequence)
for j in range(6):
for k in range(6):
c = 16+j*6+k*6*6
print(''.join([str(c+i).ljust(4) for i in range(6)]))
print(' '.join([_esc(c+i) for i in range(6)])+' ' + reset_sequence)
print(''.join([str(i).ljust(4) for i in range(16+6*6*6, 16+6*6*6+24)]))
print(' '.join([_esc(i) for i in range(16+6*6*6, 16+6*6*6+24)])+' ' + reset_sequence)
def pngmeta():
parser = argparse.ArgumentParser(description='Print PNG metadata')
parser.add_argument('image', type=str)
args = parser.parse_args()
img = Image.open(args.image)
for k, v in img.info.items():
print('{:15}: {}'.format(k, v))
def resolvecolor():
import os, sys, argparse, os.path, json, re
from pixelterm.xtermcolors import closest_color
# Resolve HTML-style hex RGB color codes to xterm-256color color numbers
if len(sys.argv) != 2:
print('Usage: resolvecolor.py #RRGGBB')
exit()
print(closest_color(*[int(s, 16) for s in re.match('#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})', sys.argv[1]).groups()]))
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