Add missing demo data directory entry to config documentation (#1765)

pytroll · Aug 18, 2021 · 3b771a8 · 3b771a8
1 parent bb61325
commit 3b771a8
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diff --git a/doc/source/config.rst b/doc/source/config.rst
@@ -150,6 +150,16 @@ defaults to a different path depending on your operating system following the
 
 .. _download_aux_setting:
 
+Demo Data Directory
+^^^^^^^^^^^^^^^^^^^
+
+* **Environment variable**: ``SATPY_DEMO_DATA_DIR``
+* **YAML/Config Key**: ``demo_data_dir``
+* **Default**: <current working directory>
+
+Directory where demo data functions will download data files to. Available
+demo data functions can be found in :mod:`satpy.demo` subpackage.
+
 Download Auxiliary Data
 ^^^^^^^^^^^^^^^^^^^^^^^
 

diff --git a/satpy/_config.py b/satpy/_config.py
@@ -37,8 +37,9 @@
 _satpy_dirs = appdirs.AppDirs(appname='satpy', appauthor='pytroll')
 _CONFIG_DEFAULTS = {
     'cache_dir': _satpy_dirs.user_cache_dir,
-    'data_dir': _satpy_dirs.user_data_dir,
     'config_path': [],
+    'data_dir': _satpy_dirs.user_data_dir,
+    'demo_data_dir': '.',
     'download_aux': True,
 }