Rename get_env to get_xdg_env and clarify docstring.

4 files changed, 10 insertions, 9 deletions

diff --git a/alot/__main__.py b/alot/__main__.py
index 207c8b92..d8ab5b0d 100644
--- a/alot/__main__.py
+++ b/alot/__main__.py
@@ -11,7 +11,7 @@ import sys
 import alot
 from alot.settings.const import settings
 from alot.settings.errors import ConfigError
-from alot.helper import get_env
+from alot.helper import get_xdg_env
 from alot.db.manager import DBManager
 from alot.ui import UI
 from alot.commands import *
@@ -93,7 +93,8 @@ def main():
 
     # locate alot config files
     if options.config is None:
-        xdg_dir = get_env('XDG_CONFIG_HOME', os.path.expanduser('~/.config'))
+        xdg_dir = get_xdg_env('XDG_CONFIG_HOME',
+                              os.path.expanduser('~/.config'))
         alotconfig = os.path.join(xdg_dir, 'alot', 'config')
         if os.path.exists(alotconfig):
             settings.alot_rc_path = alotconfig
diff --git a/alot/helper.py b/alot/helper.py
index 06362e06..5fab4819 100644
--- a/alot/helper.py
+++ b/alot/helper.py
@@ -627,7 +627,7 @@ def email_as_string(mail):
     return as_string
 
 
-def get_env(env_name, fallback):
-    """ Gets environment variable and returns fallback if unset or empty """
+def get_xdg_env(env_name, fallback):
+    """ Used for XDG_* env variables to return fallback if unset *or* empty """
     env = os.environ.get(env_name)
     return env if env else fallback
diff --git a/alot/settings/manager.py b/alot/settings/manager.py
index 150bd7d1..591edba8 100644
--- a/alot/settings/manager.py
+++ b/alot/settings/manager.py
@@ -15,7 +15,7 @@ from configobj import ConfigObj, Section
 from ..account import SendmailAccount
 from ..addressbook.abook import AbookAddressBook
 from ..addressbook.external import ExternalAddressbook
-from ..helper import pretty_datetime, string_decode, get_env
+from ..helper import pretty_datetime, string_decode, get_xdg_env
 from ..utils import configobj as checks
 
 from .errors import ConfigError, NoMatchingAccount
@@ -25,8 +25,8 @@ from .theme import Theme
 
 
 DEFAULTSPATH = os.path.join(os.path.dirname(__file__), '..', 'defaults')
-DATA_DIRS = get_env('XDG_DATA_DIRS',
-                    '/usr/local/share:/usr/share').split(':')
+DATA_DIRS = get_xdg_env('XDG_DATA_DIRS',
+                        '/usr/local/share:/usr/share').split(':')
 
 
 class SettingsManager(object):
diff --git a/alot/ui.py b/alot/ui.py
index 6c0dea6e..c42df091 100644
--- a/alot/ui.py
+++ b/alot/ui.py
@@ -18,7 +18,7 @@ from .commands import CommandCanceled
 from .commands import CommandParseError
 from .helper import split_commandline
 from .helper import string_decode
-from .helper import get_env
+from .helper import get_xdg_env
 from .widgets.globals import CompleteEdit
 from .widgets.globals import ChoiceWidget
 
@@ -84,7 +84,7 @@ class UI(object):
 
         # load histories
         self._cache = os.path.join(
-            get_env('XDG_CACHE_HOME', os.path.expanduser('~/.cache')),
+            get_xdg_env('XDG_CACHE_HOME', os.path.expanduser('~/.cache')),
             'alot', 'history')
         self._cmd_hist_file = os.path.join(self._cache, 'commands')
         self._sender_hist_file = os.path.join(self._cache, 'senders')