fix: black + isort 格式化

apps/worker/video_processing/sticker_engine.py

@@ -238,17 +238,13 @@ class StickerEngine:
 
         # 贴纸预处理
         if pre_filters:
-            filter_parts.append(
-                f"[{sticker_idx + 1}:v]{','.join(pre_filters)}[{sticker_label}]"
-            )
+            filter_parts.append(f"[{sticker_idx + 1}:v]{','.join(pre_filters)}[{sticker_label}]")
             sticker_source = f"[{sticker_label}]"
         else:
             sticker_source = f"[{sticker_idx + 1}:v]"
 
         # overlay 合成
-        filter_parts.append(
-            f"{input_label}{sticker_source}overlay={pos_x:.0f}:{pos_y:.0f}{enable_expr}{output_label}"
-        )
+        filter_parts.append(f"{input_label}{sticker_source}overlay={pos_x:.0f}:{pos_y:.0f}{enable_expr}{output_label}")
 
         return ";".join(filter_parts)
 
@@ -308,9 +304,7 @@ class StickerEngine:
 
         # 时间范围
         if sticker.duration > 0:
-            drawtext_params.append(
-                f"enable='between(t,{sticker.start_time},{sticker.start_time + sticker.duration})'"
-            )
+            drawtext_params.append(f"enable='between(t,{sticker.start_time},{sticker.start_time + sticker.duration})'")
 
         # 淡入淡出（drawtext 没有直接的淡入淡出，用 alpha 表达式模拟）
         if sticker.fade_in > 0 or sticker.fade_out > 0:
@@ -318,14 +312,12 @@ class StickerEngine:
             parts: list[str] = []
             if sticker.fade_in > 0:
                 parts.append(
-                    f"if(lt(t,{sticker.start_time + sticker.fade_in}),"
-                    f"(t-{sticker.start_time})/{sticker.fade_in},1)"
+                    f"if(lt(t,{sticker.start_time + sticker.fade_in})," f"(t-{sticker.start_time})/{sticker.fade_in},1)"
                 )
             if sticker.fade_out > 0 and sticker.duration > 0:
                 fade_out_start = sticker.start_time + sticker.duration - sticker.fade_out
                 parts.append(
-                    f"if(gt(t,{fade_out_start}),"
-                    f"({sticker.start_time + sticker.duration}-t)/{sticker.fade_out},1)"
+                    f"if(gt(t,{fade_out_start})," f"({sticker.start_time + sticker.duration}-t)/{sticker.fade_out},1)"
                 )
             if parts:
                 alpha_expr = "*".join(parts)
@@ -522,15 +514,11 @@ class StickerEngine:
         # 淡入淡出（使用 fade 的 alpha 模式）
         fade_filters: list[str] = []
         if sticker.fade_in > 0:
-            fade_filters.append(
-                f"fade=in:st={sticker.start_time}:d={sticker.fade_in}:alpha=1"
-            )
+            fade_filters.append(f"fade=in:st={sticker.start_time}:d={sticker.fade_in}:alpha=1")
         if sticker.fade_out > 0 and sticker.duration > 0:
             fade_out_start = sticker.start_time + sticker.duration - sticker.fade_out
             if fade_out_start > 0:
-                fade_filters.append(
-                    f"fade=out:st={fade_out_start}:d={sticker.fade_out}:alpha=1"
-                )
+                fade_filters.append(f"fade=out:st={fade_out_start}:d={sticker.fade_out}:alpha=1")
 
         # 估算贴纸尺寸用于位置计算
         est_w = int(canvas_w * 0.3 * sticker.scale) if not sticker.width else sticker.width
@@ -540,26 +528,20 @@ class StickerEngine:
         # enable 表达式
         enable_expr = ""
         if sticker.duration > 0:
-            enable_expr = (
-                f":enable='between(t,{sticker.start_time},{sticker.start_time + sticker.duration})'"
-            )
+            enable_expr = f":enable='between(t,{sticker.start_time},{sticker.start_time + sticker.duration})'"
 
         parts: list[str] = []
 
         # 贴纸预处理
         all_pre = pre_filters + fade_filters
         if all_pre:
-            parts.append(
-                f"[{sticker_input_idx}:v]{','.join(all_pre)}[{scaled_label}]"
-            )
+            parts.append(f"[{sticker_input_idx}:v]{','.join(all_pre)}[{scaled_label}]")
             sticker_source = f"[{scaled_label}]"
         else:
             sticker_source = f"[{sticker_input_idx}:v]"
 
         # overlay 合成
-        parts.append(
-            f"{input_label}{sticker_source}overlay={pos_x:.0f}:{pos_y:.0f}{enable_expr}{output_label}"
-        )
+        parts.append(f"{input_label}{sticker_source}overlay={pos_x:.0f}:{pos_y:.0f}{enable_expr}{output_label}")
 
         return ";".join(parts)