Update Cog predictor to use a set of default target images

predict.py

@@ -1,3 +1,5 @@
+import os
+from glob import glob
 import cog
 import tempfile
 from pathlib import Path
@@ -16,6 +18,12 @@ from insightface_func.face_detect_crop_multi import Face_detect_crop as Face_det
 from insightface_func.face_detect_crop_single import Face_detect_crop as Face_detect_crop_single
 
 
+TARGET_OPTIONS_DIR = "cog-targets"
+
+def list_target_options():
+    return [os.path.basename(p).split(".")[0] for p in glob(f"{TARGET_OPTIONS_DIR}/*.jpg")]
+
+
 class Predictor(cog.Predictor):
     def setup(self):
         self.transformer_Arcface = transforms.Compose([
@@ -24,10 +32,11 @@ class Predictor(cog.Predictor):
         ])
 
     @cog.input("source", type=Path, help="source image")
-    @cog.input("target", type=Path, help="target image")
+    @cog.input("target", type=str, options=list_target_options(), help="target image")
     @cog.input("mode", type=str, options=['single', 'all'], default='all',
                help="swap a single face (the one with highest confidence by face detection) or all faces in the target image")
     def predict(self, source, target, mode='all'):
+        target_path = f"{TARGET_OPTIONS_DIR}/{target}.jpg"
 
         app = Face_detect_crop_multi(name='antelope', root='./insightface_func/models')
 
@@ -39,7 +48,7 @@ class Predictor(cog.Predictor):
         options = TestOptions()
         options.initialize()
         opt = options.parser.parse_args(["--Arc_path", 'arcface_model/arcface_checkpoint.tar', "--pic_a_path", str(source),
-                                         "--pic_b_path", str(target), "--isTrain", False, "--no_simswaplogo"])
+                                         "--pic_b_path", target_path, "--isTrain", False, "--no_simswaplogo"])
 
         str_ids = opt.gpu_ids.split(',')
         opt.gpu_ids = []