From f6e5a15ed259ab2ca68a4bb1f0fabdfe69a79541 Mon Sep 17 00:00:00 2001 From: tcmofashi Date: Wed, 5 Mar 2025 09:04:10 +0800 Subject: [PATCH] =?UTF-8?q?fix:=20emoji=E5=8E=8B=E7=BC=A9=E5=8A=9F?= =?UTF-8?q?=E8=83=BD=E6=AD=A3=E5=B8=B8=E4=BD=BF=E7=94=A8?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/plugins/chat/emoji_manager.py | 96 +++++++++++++++++++++++++------ 1 file changed, 79 insertions(+), 17 deletions(-) diff --git a/src/plugins/chat/emoji_manager.py b/src/plugins/chat/emoji_manager.py index cf0adff2..239bb6d7 100644 --- a/src/plugins/chat/emoji_manager.py +++ b/src/plugins/chat/emoji_manager.py @@ -12,6 +12,8 @@ import base64 import shutil import asyncio import time +from PIL import Image +import io from nonebot import get_driver from ..chat.config import global_config @@ -240,41 +242,102 @@ class EmojiManager: print(f"\033[1;32m[调试信息]\033[0m 使用默认标签: neutral") return "skip" # 默认标签 + async def _compress_image(self, image_path: str, target_size: int = 4 * 1024 * 1024) -> Optional[str]: + """压缩图片并返回base64编码 + Args: + image_path: 图片文件路径 + target_size: 目标文件大小（字节），默认4MB + Returns: + Optional[str]: 成功返回base64编码的图片数据，失败返回None + """ + try: + file_size = os.path.getsize(image_path) + if file_size <= target_size: + # 如果文件已经小于目标大小，直接读取并返回base64 + with open(image_path, 'rb') as f: + return base64.b64encode(f.read()).decode('utf-8') + + # 打开图片 + with Image.open(image_path) as img: + # 获取原始尺寸 + original_width, original_height = img.size + + # 计算缩放比例 + scale = min(1.0, (target_size / file_size) ** 0.5) + + # 计算新的尺寸 + new_width = int(original_width * scale) + new_height = int(original_height * scale) + + # 创建内存缓冲区 + output_buffer = io.BytesIO() + + # 如果是GIF，处理所有帧 + if getattr(img, "is_animated", False): + frames = [] + for frame_idx in range(img.n_frames): + img.seek(frame_idx) + new_frame = img.copy() + new_frame = new_frame.resize((new_width, new_height), Image.Resampling.LANCZOS) + frames.append(new_frame) + + # 保存到缓冲区 + frames[0].save( + output_buffer, + format='GIF', + save_all=True, + append_images=frames[1:], + optimize=True, + duration=img.info.get('duration', 100), + loop=img.info.get('loop', 0) + ) + else: + # 处理静态图片 + resized_img = img.resize((new_width, new_height), Image.Resampling.LANCZOS) + + # 保存到缓冲区，保持原始格式 + if img.format == 'PNG' and img.mode in ('RGBA', 'LA'): + resized_img.save(output_buffer, format='PNG', optimize=True) + else: + resized_img.save(output_buffer, format='JPEG', quality=95, optimize=True) + + # 获取压缩后的数据并转换为base64 + compressed_data = output_buffer.getvalue() + print(f"\033[1;32m[成功]\033[0m 压缩图片: {os.path.basename(image_path)} ({original_width}x{original_height} -> {new_width}x{new_height})") + + return base64.b64encode(compressed_data).decode('utf-8') + + except Exception as e: + print(f"\033[1;31m[错误]\033[0m 压缩图片失败: {os.path.basename(image_path)}, 错误: {str(e)}") + return None + async def scan_new_emojis(self): """扫描新的表情包""" try: emoji_dir = "data/emoji" os.makedirs(emoji_dir, exist_ok=True) - # 获取所有jpg文件 - files_to_process = [f for f in os.listdir(emoji_dir) if f.endswith('.jpg')] + # 获取所有支持的图片文件 + files_to_process = [f for f in os.listdir(emoji_dir) if f.lower().endswith(('.jpg', '.jpeg', '.png', '.gif'))] for filename in files_to_process: image_path = os.path.join(emoji_dir, filename) - # 检查文件大小 - file_size = os.path.getsize(image_path) - if file_size > 5 * 1024 * 1024: # 5MB - print(f"\033[1;33m[警告]\033[0m 表情包文件过大 ({file_size/1024/1024:.2f}MB)，删除: {filename}") - os.remove(image_path) - continue - # 检查是否已经注册过 existing_emoji = self.db.db['emoji'].find_one({'filename': filename}) if existing_emoji: continue - - # 读取图片数据 - with open(image_path, 'rb') as f: - image_data = f.read() - # 将图片转换为base64 - image_base64 = base64.b64encode(image_data).decode('utf-8') + # 压缩图片并获取base64编码 + image_base64 = await self._compress_image(image_path) + if image_base64 is None: + os.remove(image_path) + continue # 获取表情包的情感标签 tag = await self._get_emoji_tag(image_base64) if not tag == "skip": - # 准备数据库记录 + # 准备数据库记录 emoji_record = { 'filename': filename, 'path': image_path, @@ -288,7 +351,6 @@ class EmojiManager: print(f"标签: {tag}") else: print(f"\033[1;33m[警告]\033[0m 跳过表情包: {filename}") - except Exception as e: print(f"\033[1;31m[错误]\033[0m 扫描表情包失败: {str(e)}")