perf: 对歌曲信息中的图片缩小到300 #190

pdm.lock

@@ -5,7 +5,7 @@
 groups = ["default", "dev", "lint"]
 strategy = ["inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:d7209c5b89041122b16847a761d8f522ea404543d50b859fb283f9061d4e9f36"
+content_hash = "sha256:077009450945896224a482ac528dde3c523253b2af822a9e46dae9d2f42267c2"
 
 [[metadata.targets]]
 requires_python = "==3.10.12"
@@ -780,6 +780,19 @@ files = [
     {file = "packaging-24.1.tar.gz", hash = "sha256:026ed72c8ed3fcce5bf8950572258698927fd1dbda10a5e981cdf0ac37f4f002"},
 ]
 
+[[package]]
+name = "pillow"
+version = "10.4.0"
+requires_python = ">=3.8"
+summary = "Python Imaging Library (Fork)"
+groups = ["default"]
+marker = "python_full_version == \"3.10.12\""
+files = [
+    {file = "pillow-10.4.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:e4d49b85c4348ea0b31ea63bc75a9f3857869174e2bf17e7aba02945cd218e6f"},
+    {file = "pillow-10.4.0-cp310-cp310-manylinux_2_28_x86_64.whl", hash = "sha256:a985e028fc183bf12a77a8bbf36318db4238a3ded7fa9df1b9a133f1cb79f8fc"},
+    {file = "pillow-10.4.0.tar.gz", hash = "sha256:166c1cd4d24309b30d61f79f4a9114b7b2313d7450912277855ff5dfd7cd4a06"},
+]
+
 [[package]]
 name = "prompt-toolkit"
 version = "3.0.36"

pyproject.toml

@@ -17,6 +17,7 @@ dependencies = [
     "ga4mp>=2.0.4",
     "apscheduler>=3.10.4",
     "opencc-python-reimplemented==0.1.7",
+    "pillow>=10.4.0",
 ]
 requires-python = ">=3.10,<3.12"
 readme = "README.md"
@@ -65,6 +66,7 @@ extend-immutable-calls = ["fastapi.Depends", "fastapi.params.Depends", "fastapi.
 [tool.pdm.scripts]
 lint = "ruff check ."
 fmt = "ruff format ."
+lintfmt = {composite = ["ruff check --fix .", "ruff format ."]}
 
 [tool.commitizen]
 name = "cz_conventional_commits"

xiaomusic/utils.py

@@ -6,6 +6,7 @@ import base64
 import copy
 import difflib
 import hashlib
+import io
 import json
 import logging
 import mimetypes
@@ -32,6 +33,7 @@ from mutagen.oggvorbis import OggVorbis
 from mutagen.wave import WAVE
 from mutagen.wavpack import WavPack
 from opencc import OpenCC
+from PIL import Image
 from requests.utils import cookiejar_from_dict
 
 from xiaomusic.const import SUPPORT_MUSIC_TYPE
@@ -449,7 +451,7 @@ def convert_file_to_mp3(input_file: str, ffmpeg_location: str, music_path: str)
     try:
         subprocess.run(command, check=True)
     except subprocess.CalledProcessError as e:
-        print(f"Error during conversion: {e}")
+        logging.exception(f"Error during conversion: {e}")
         return None
 
     relative_path = os.path.relpath(out_file_path, music_path)
@@ -557,23 +559,43 @@ def _save_picture(picture_data, save_root, file_path):
     dir_path = os.path.join(save_root, file_hash[-6:])
     os.makedirs(dir_path, exist_ok=True)
 
-    # 检测图片格式
-    if picture_data[:3] == b"\xff\xd8\xff":
-        ext = "jpg"
-    elif picture_data[:8] == b"\x89PNG\r\n\x1a\n":
-        ext = "png"
-    else:
-        ext = "bin"  # 未知格式
-
     # 保存图片
     filename = os.path.basename(file_path)
     (name, _) = os.path.splitext(filename)
-    picture_path = os.path.join(dir_path, f"{name}.{ext}")
-    with open(picture_path, "wb") as img:
-        img.write(picture_data)
+    picture_path = os.path.join(dir_path, f"{name}.jpg")
+
+    try:
+        _resize_save_image(picture_data, picture_path)
+    except Exception as e:
+        logging.exception(f"Error _resize_save_image: {e}")
     return picture_path
 
 
+def _resize_save_image(image_bytes, save_path, max_size=300):
+    # 将 bytes 转换为 PIL Image 对象
+    image = Image.open(io.BytesIO(image_bytes))
+    image = image.convert("RGB")
+
+    # 获取原始尺寸
+    original_width, original_height = image.size
+
+    # 如果图片的宽度和高度都小于 max_size，则直接保存原始图片
+    if original_width <= max_size and original_height <= max_size:
+        image.save(save_path, format="JPEG")
+        return
+
+    # 计算缩放比例，保持等比缩放
+    scaling_factor = min(max_size / original_width, max_size / original_height)
+
+    # 计算新的尺寸
+    new_width = int(original_width * scaling_factor)
+    new_height = int(original_height * scaling_factor)
+
+    resized_image = image.resize((new_width, new_height), Image.Resampling.LANCZOS)
+    resized_image.save(save_path, format="JPEG")
+    return save_path
+
+
 def extract_audio_metadata(file_path, save_root):
     audio = mutagen.File(file_path)
     metadata = Metadata()