Hell13Cat
58 lines
2.8 KiB
Python
58 lines
2.8 KiB
Python
import subprocess
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from PIL import Image
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import os
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EXTENSIONS_IMG = ('jpg', 'jpeg', 'png', 'gif', 'webp', 'bmp')
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EXTENSIONS_VID = ('mp4', 'webm')
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VALID_EXTENSIONS = EXTENSIONS_IMG + EXTENSIONS_VID
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def check_ffmpeg():
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try:
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if os.name == 'nt': creationflags = subprocess.CREATE_NO_WINDOW
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else: creationflags = 0
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subprocess.run(["ffmpeg", "-version"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True, creationflags=creationflags)
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return True
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except (FileNotFoundError, subprocess.CalledProcessError):
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return False
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def video_gen(input_path_file, output_path_file, TARGET_MIN_SIZE):
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vf_scale = f"scale='if(gt(iw,ih),-1,{TARGET_MIN_SIZE})':'if(gt(iw,ih),{TARGET_MIN_SIZE},-1)'"
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cmd = ["ffmpeg", "-y", "-i", input_path_file, "-ss", "00:00:00", "-vframes", "1", "-vf", vf_scale, "-q:v", "2", output_path_file]
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if os.name == 'nt': creationflags = subprocess.CREATE_NO_WINDOW
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else: creationflags = 0
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result = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, creationflags=creationflags)
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if result.returncode != 0:
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raise Exception(f"FFmpeg error: {result.stderr.decode('utf-8', errors='ignore')}")
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def image_and_gif_gen(input_path_file, output_path_file, TARGET_MIN_SIZE):
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with Image.open(input_path_file) as img:
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img_rgba = img.convert("RGBA")
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background = Image.new("RGB", img_rgba.size, (255, 255, 255))
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background.paste(img_rgba, mask=img_rgba)
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final_img = background
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width, height = final_img.size
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if width <= TARGET_MIN_SIZE and height <= TARGET_MIN_SIZE:
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final_img.save(output_path_file, "JPEG", quality=90)
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else:
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if width < height:
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new_width = TARGET_MIN_SIZE
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new_height = int(TARGET_MIN_SIZE * (height / width))
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else:
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new_height = TARGET_MIN_SIZE
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new_width = int(TARGET_MIN_SIZE * (width / height))
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resized_img = final_img.resize((new_width, new_height), Image.Resampling.LANCZOS)
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resized_img.save(output_path_file, "JPEG", quality=85)
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def generate_thumb(input_path_file, THUMB_FOLDER, TARGET_MIN_SIZE):
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ext_file = input_path_file.split(".")[-1]
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if ext_file not in VALID_EXTENSIONS:
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return {"status":False, "message":"Расширение не поддерживаеться!"}
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thumb_filename = f"{os.path.basename(input_path_file).split(".")[-2]}.jpg"
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output_path_file = os.path.join(THUMB_FOLDER, thumb_filename)
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if ext_file in EXTENSIONS_IMG:
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image_and_gif_gen(input_path_file, output_path_file, TARGET_MIN_SIZE)
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return {"status":True}
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else:
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if not check_ffmpeg(): return {"status":False, "message":"ffmpeg не установлен!"}
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video_gen(input_path_file, output_path_file, TARGET_MIN_SIZE)
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return {"status":True} |