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102 lines
3.7 KiB
102 lines
3.7 KiB
import random
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from os import listdir, environ
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from pathlib import Path
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from random import randrange
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import shutil
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from pytube import YouTube
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import re
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import os
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from random import randrange
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from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
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from moviepy.editor import VideoFileClip
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from utils.console import print_step, print_substep
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def get_start_and_end_times(video_length: int, length_of_clip: int) -> tuple[int, int]:
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"""Generates a random interval of time to be used as the beckground of the video.
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Args:
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video_length (int): Length of the video
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length_of_clip (int): Length of the video to be used as the background
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Returns:
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tuple[int,int]: Start and end time of the randomized interval
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"""
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random_time = randrange(180, int(length_of_clip) - int(video_length))
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return random_time, random_time + video_length
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def download_background(background: str):
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"""Downloads given link, or if it's a path, copies that file over to assets/backgrounds/
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Args:
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background (str): Youtube link or file path
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"""
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yt_id_pattern = re.compile(
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pattern=r'(?:https?:\/\/)?(?:[0-9A-Z-]+\.)?(?:youtube|youtu|youtube-nocookie)\.(?:com|be)\/(?:watch\?v=|watch\?.+&v=|embed\/|v\/|.+\?v=)?([^&=\n%\?]{11})')
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Path("./assets/backgrounds/").mkdir(parents=True, exist_ok=True)
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background_options = {
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"https://www.youtube.com/watch?v=n_Dv4JMiwK8",
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# "https://www.youtube.com/watch?v=2X9QGY__0II",
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}
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if Path(background).is_file(): # If background is a file
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shutil.copyfile(background, 'assets/backgrounds')
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# If background has a youtube video id, so if it's a youtube link
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elif re.findall(yt_id_pattern, background, re.IGNORECASE):
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background_options.add(background)
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# note: make sure the file name doesn't include an - in it
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if len(listdir("./assets/backgrounds")) < len(
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background_options
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): # if there are any background videos not installed
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print_step(
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"We need to download the backgrounds videos. they are fairly large but it's only done once. 😎"
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)
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print_substep(
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"Downloading the backgrounds videos... please be patient 🙏 ")
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for link in background_options:
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filename = re.match(yt_id_pattern, link, re.IGNORECASE).string
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if not Path(f"assets/backgrounds/{filename}").is_file():
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print_substep(f"Downloading {filename} from {link}")
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YouTube(link).streams.filter(res="1080p").first().download(
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"assets/backgrounds", filename=f"{filename}"
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)
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print_substep(
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"Background videos downloaded successfully! 🎉", style="bold green"
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)
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os.remove("assets/mp4/background.mp4")
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else:
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raise Exception("You didn't input a proper link into -b")
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def chop_background_video(video_length: int):
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"""Generates the background footage to be used in the video and writes it to assets/temp/background.mp4
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Args:
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video_length (int): Length of the clip where the background footage is to be taken out of
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"""
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print_step("Finding a spot in the backgrounds video to chop...✂️")
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choice = random.choice(listdir("assets/backgrounds"))
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environ["background_credit"] = choice.split("-")[0]
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background = VideoFileClip(f"assets/backgrounds/{choice}")
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start_time, end_time = get_start_and_end_times(
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video_length, background.duration)
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ffmpeg_extract_subclip(
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f"assets/backgrounds/{choice}",
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start_time,
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end_time,
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targetname="assets/temp/background.mp4",
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)
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print_substep("Background video chopped successfully!", style="bold green")
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