functions.py

import os
import aiohttp
import aiofiles
import ffmpeg
from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw


def transcode(filename):
    ffmpeg.input(filename).output("input.raw", format='s16le', acodec='pcm_s16le', ac=2, ar='48k').overwrite_output().run() 
    os.remove(filename)


#Download song
async def download_and_transcode_song(url):
    async with aiohttp.ClientSession() as session:
        async with session.get(url) as resp:
            if resp.status == 200:
                f = await aiofiles.open('song.mp3', mode='wb')
                await f.write(await resp.read())
                await f.close()
    transcode("song.mp3") 


# Convert seconds to mm:ss
def convert_seconds(seconds):
    seconds = seconds % (24 * 3600)
    seconds %= 3600
    minutes = seconds // 60
    seconds %= 60
    return "%02d:%02d" % (minutes, seconds)


# Convert hh:mm:ss to seconds
def time_to_seconds(time):
    stringt = str(time)
    return sum(int(x) * 60 ** i for i, x in enumerate(reversed(stringt.split(':'))))


# Change image size
def changeImageSize(maxWidth, maxHeight, image):
    widthRatio = maxWidth / image.size[0]
    heightRatio = maxHeight / image.size[1]
    newWidth = int(widthRatio * image.size[0])
    newHeight = int(heightRatio * image.size[1])
    newImage = image.resize((newWidth, newHeight))
    return newImage


# Generate cover for jiosaavn and deezer
async def generate_cover_square(requested_by, title, artist, duration, thumbnail):
    async with aiohttp.ClientSession() as session:
        async with session.get(thumbnail) as resp:
            if resp.status == 200:
                f = await aiofiles.open("background.png", mode="wb")
                await f.write(await resp.read())
                await f.close()
    image1 = Image.open("./background.png")
    image2 = Image.open("etc/foreground_square.png")
    image3 = changeImageSize(600, 500, image1)
    image4 = changeImageSize(600, 500, image2)
    image5 = image3.convert("RGBA")
    image6 = image4.convert("RGBA")
    Image.alpha_composite(image5, image6).save("temp.png")
    img = Image.open("temp.png")
    draw = ImageDraw.Draw(img)
    font = ImageFont.truetype("etc/font.otf", 20)
    draw.text((150, 380), f"Title: {title}", (255, 255, 255), font=font)
    draw.text((150, 405), f"Artist: {artist}", (255, 255, 255), font=font)
    draw.text(
        (150, 430),
        f"Duration: {duration} Seconds",
        (255, 255, 255),
        font=font,
    )

    draw.text(
        (150, 455),
        f"Played By: {requested_by}",
        (255, 255, 255),
        font=font,
    )
    img.save("final.png")
    os.remove("temp.png")
    os.remove("background.png")


# Generate cover for youtube

async def generate_cover(requested_by, title, views, duration, thumbnail):
    async with aiohttp.ClientSession() as session:
        async with session.get(thumbnail) as resp:
            if resp.status == 200:
                f = await aiofiles.open("background.png", mode="wb")
                await f.write(await resp.read())
                await f.close()

    image1 = Image.open("./background.png")
    image2 = Image.open("etc/foreground.png")
    image3 = changeImageSize(1280, 720, image1)
    image4 = changeImageSize(1280, 720, image2)
    image5 = image3.convert("RGBA")
    image6 = image4.convert("RGBA")
    Image.alpha_composite(image5, image6).save("temp.png")
    img = Image.open("temp.png")
    draw = ImageDraw.Draw(img)
    font = ImageFont.truetype("etc/font.otf", 32)
    draw.text((190, 550), f"Title: {title}", (255, 255, 255), font=font)
    draw.text(
        (190, 590), f"Duration: {duration}", (255, 255, 255), font=font
    )
    draw.text((190, 630), f"Views: {views}", (255, 255, 255), font=font)
    draw.text((190, 670),
        f"Played By: {requested_by}",
        (255, 255, 255),
        font=font,
    )
    img.save("final.png")
    os.remove("temp.png")
    os.remove("background.png")