post_text2image.py

#!/usr/bin/env python3
import os
import sys
import subprocess
import random
import requests
import uuid
from os import listdir
from os.path import isfile, join
from mindsapi import mindsapi
from gabapi import gabapi
from gnusocialapi import gnusocialapi

BACKGROUNDS = 'backgrounds'
FONTS = 'fonts'
IMG_URL = None
if len(sys.argv) > 1:
    IMG_URL = sys.argv[1]

def run(cmd):
    result = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
    return result.stdout.readline().decode('utf8')

def get_post_text():
    text = ""
    for line in sys.stdin:
        if (line == ".\n"): break
        text += line
    text = text.strip()
    text = text.replace("\t", r"    ")
    text = text.replace("\"", r"\"")
    return text

def download_image(url, file):
    run("wget --quiet {} -O {}".format(url, file))

def get_image_size(file):
    return run('identify -format "%wx%h" {}'.format(file))

def render_text(file, text, out, font):
    size = get_image_size(file)
    width = str(int(size.split('x')[0]) * 0.9)
    height = str(int(size.split('x')[1]) * 0.9)
    run("convert {} -set option:modulate:colorspace hsb -modulate 50,120 -size {} -fill white -gravity center -background transparent -font {} label:\"{}\" -composite {}".format(file, width+"x"+height, font, text, out))

text = get_post_text()
out = str(uuid.uuid4()) + '.jpg'

if IMG_URL == None:
    images = [f for f in listdir(BACKGROUNDS) if isfile(join(BACKGROUNDS, f))]
    file = BACKGROUNDS + '/' + random.choice(images)
else:
    file = "img.jpg"
    download_image(IMG_URL, file)

fonts = [f for f in listdir(FONTS) if isfile(join(FONTS, f))]
font = FONTS +'/'+ random.choice(fonts)

print(file)
print(font)

render_text(file, text, out, font)

cfg = mindsapi.MindsAPI.get_config()

api = mindsapi.MindsAPI(
    cfg['minds']['user'],
    cfg['minds']['password'])
api.login()
api.post_image('', out)

api = gabapi.GabAPI(
    cfg['gab']['user'],
    cfg['gab']['password'])
api.login()
api.post_comment('', out)

api = gnusocialapi.GnuSocialAPI(
    cfg['gnu_social']['user'],
    cfg['gnu_social']['password'])
api.post_image(out)

os.remove(out)