Adding check to see if HOME env is even set

Author: jessecollierz

swf/settings.py

@@ -117,6 +117,21 @@ def from_env():
  return hsh
 
 
+def from_home(path='.swf'):
+ """Retrieves settings from home environment
+
+ If HOME environment is applicapable, search for any files in *path*.
+
+ :rtype: dict
+
+ """
+ if 'HOME' in os.environ:
+ swf_path = os.path.join(os.environ['HOME'], path)
+ return from_file(swf_path)
+
+ return {}
+
+
 def get(path='.swf'):
  """Retrieves settings from a file or the environment.
 
@@ -128,8 +143,8 @@ def get(path='.swf'):
  :rtype: dict
 
  """
- home_directory = os.environ['HOME']
- return from_file(os.path.join(home_directory, path)) or from_env()
+
+ return from_home(path) or from_env()
 
 
 def set(**settings):