fail if output file exists

scivision · Oct 17, 2017 · e387c67 · e387c67
1 parent 366057b
commit e387c67
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Convert_HDF5_to_AVI.py b/Convert_HDF5_to_AVI.py
@@ -64,6 +64,10 @@ def hdf2avi(infn:Path, outfn:Path, h5key:str, cc4:str, mm=None, fps=None, ptile=
 
     if cc4=='THEO':
         assert outfn.suffix=='.ogv'
+
+
+    if outfn.is_file():
+        raise IOError(f'video output {outfn} already exists.')
 # %% open HDF5 video for parameters
     with h5py.File(infn,'r',libver='latest') as f:
         N,y,x = f[h5key].shape[:3]