change where uves files are cached

Author: adrn

tutorials/UVES/UVES.ipynb

@@ -51,7 +51,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Set up matplotlib\n",
+    "import pathlib\n",
+    "import tarfile\n",
+    "\n",
+    "from astropy.utils.data import download_file\n",
     "import matplotlib.pyplot as plt\n",
     "%matplotlib inline"
    ]
@@ -69,11 +72,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import tarfile\n",
-    "from astropy.utils.data import download_file\n",
     "url = 'http://data.astropy.org/tutorials/UVES/data_UVES.tar.gz'\n",
     "f = tarfile.open(download_file(url, cache=True), mode='r|*')\n",
-    "working_dir_path = '.'  # CHANGE TO WHEREVER YOU WANT THE DATA TO BE EXTRACTED\n",
+    "working_dir_path = pathlib.Path('~/.astropy/cache/download').expanduser()\n",
     "f.extractall(path=working_dir_path)"
    ]
   },
@@ -135,11 +136,12 @@
     "from astropy.io import fits\n",
     "\n",
     "# os.path.join is a platform-independent way to join two directories\n",
-    "globpath = os.path.join(working_dir_path, 'UVES/*.fits')\n",
+    "globpath = working_dir_path / 'UVES'\n",
     "\n",
     "print(globpath)\n",
+    "\n",
     "# glob searches through directories similar to the Unix shell\n",
-    "filelist = glob(globpath)\n",
+    "filelist = list(globpath.glob(\"*.fits\"))\n",
     "\n",
     "# sort alphabetically - given the way the filenames are\n",
     "# this also sorts in time\n",