handle exists in untar_data

Author: jph00

fastcore/__init__.py

@@ -1 +1 @@
-__version__ = "1.3.23"
+__version__ = "1.3.24"

fastcore/xtras.py

@@ -157,7 +157,9 @@ def untar_dir(fname, dest, rename=False, overwrite=False):
         ls = out.ls()
         src = ls[0] if len(ls) == 1 else out
         dest = dest/(out if rename else src).name
-        if overwrite: shutil.rmtree(dest, ignore_errors=True)
+        if dest.exists():
+            if overwrite: shutil.rmtree(dest)
+            else: return dest
         shutil.move(str(src), dest)
         return dest
 

nbs/03_xtras.ipynb

@@ -618,7 +618,7 @@
     {
      "data": {
       "text/plain": [
-       "['g', 'b', 'c', 'e', 'a', 'h', 'd', 'f']"
+       "['g', 'a', 'b', 'h', 'd', 'f', 'c', 'e']"
       ]
      },
      "execution_count": null,
@@ -1016,7 +1016,9 @@
     "        ls = out.ls()\n",
     "        src = ls[0] if len(ls) == 1 else out\n",
     "        dest = dest/(out if rename else src).name\n",
-    "        if overwrite: shutil.rmtree(dest, ignore_errors=True)\n",
+    "        if dest.exists():\n",
+    "            if overwrite: shutil.rmtree(dest)\n",
+    "            else: return dest\n",
     "        shutil.move(str(src), dest)\n",
     "        return dest"
    ]

settings.ini

@@ -7,7 +7,7 @@ author = Jeremy Howard and Sylvain Gugger
 author_email = [email protected]
 copyright = fast.ai
 branch = master
-version = 1.3.23
+version = 1.3.24
 min_python = 3.6
 audience = Developers
 language = English