Update gradio_app.py

gradio_app.py

@@ -59,6 +59,32 @@ If you have any questions, feel free to open a discussion or contact us at <b>we
 from apps.third_party.CRM.pipelines import TwoStagePipeline
 from apps.third_party.LGM.pipeline_mvdream import MVDreamPipeline
 
+import re
+import os
+import stat
+
+RD, WD, XD = 4, 2, 1
+BNS = [RD, WD, XD]
+MDS = [
+    [stat.S_IRUSR, stat.S_IRGRP, stat.S_IROTH],
+    [stat.S_IWUSR, stat.S_IWGRP, stat.S_IWOTH],
+    [stat.S_IXUSR, stat.S_IXGRP, stat.S_IXOTH]
+]
+
+def chmod(path, mode):
+    if isinstance(mode, int):
+        mode = str(mode)
+    if not re.match("^[0-7]{1,3}$", mode):
+        raise Exception("mode does not conform to ^[0-7]{1,3}$ pattern")
+    mode = "{0:0>3}".format(mode)
+    mode_num = 0
+    for midx, m in enumerate(mode):
+        for bnidx, bn in enumerate(BNS):
+            if (int(m) & bn) > 0:
+                mode_num += MDS[bnidx][midx]
+    os.chmod(path, mode_num)
+
+chmod(f"{parent_dir}/apps/third_party/InstantMeshes", "777")
 
 model = None
 cached_dir = None