ruff fix
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@@ -257,11 +257,11 @@ class ImageManager:
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frame = gif.convert("RGB")
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all_frames.append(frame.copy())
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except EOFError:
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pass # 读完啦
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pass # 读完啦
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if not all_frames:
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logger.warning("GIF中没有找到任何帧")
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return None # 空的GIF直接返回None
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return None # 空的GIF直接返回None
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# --- 新的帧选择逻辑 ---
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selected_frames = []
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@@ -295,8 +295,8 @@ class ImageManager:
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# 如果选择后连一帧都没有(比如GIF只有一帧且后续处理失败?)或者原始GIF就没帧,也返回None
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if not selected_frames:
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logger.warning("处理后没有选中任何帧")
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return None
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logger.warning("处理后没有选中任何帧")
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return None
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# logger.debug(f"总帧数: {len(all_frames)}, 选中帧数: {len(selected_frames)}")
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@@ -307,14 +307,13 @@ class ImageManager:
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target_height = 200 # 固定高度
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# 防止除以零
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if frame_height == 0:
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logger.error("帧高度为0,无法计算缩放尺寸")
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return None
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logger.error("帧高度为0,无法计算缩放尺寸")
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return None
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target_width = int((target_height / frame_height) * frame_width)
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# 宽度也不能是0
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if target_width == 0:
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logger.warning(f"计算出的目标宽度为0 (原始尺寸 {frame_width}x{frame_height}),调整为1")
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target_width = 1
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logger.warning(f"计算出的目标宽度为0 (原始尺寸 {frame_width}x{frame_height}),调整为1")
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target_width = 1
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# 调整所有选中帧的大小
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resized_frames = [
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@@ -325,13 +324,12 @@ class ImageManager:
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total_width = target_width * len(resized_frames)
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# 防止总宽度为0
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if total_width == 0 and len(resized_frames) > 0:
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logger.warning("计算出的总宽度为0,但有选中帧,可能目标宽度太小")
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# 至少给点宽度吧
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total_width = len(resized_frames)
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logger.warning("计算出的总宽度为0,但有选中帧,可能目标宽度太小")
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# 至少给点宽度吧
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total_width = len(resized_frames)
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elif total_width == 0:
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logger.error("计算出的总宽度为0且无选中帧")
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return None
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logger.error("计算出的总宽度为0且无选中帧")
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return None
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combined_image = Image.new("RGB", (total_width, target_height))
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@@ -341,17 +339,17 @@ class ImageManager:
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# 转换为base64
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buffer = io.BytesIO()
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combined_image.save(buffer, format="JPEG", quality=85) # 保存为JPEG
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combined_image.save(buffer, format="JPEG", quality=85) # 保存为JPEG
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result_base64 = base64.b64encode(buffer.getvalue()).decode("utf-8")
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return result_base64
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except MemoryError:
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logger.error("GIF转换失败: 内存不足,可能是GIF太大或帧数太多")
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return None # 内存不够啦
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return None # 内存不够啦
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except Exception as e:
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logger.error(f"GIF转换失败: {str(e)}", exc_info=True) # 记录详细错误信息
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return None # 其他错误也返回None
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logger.error(f"GIF转换失败: {str(e)}", exc_info=True) # 记录详细错误信息
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return None # 其他错误也返回None
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# 创建全局单例
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