Remove duplicated edit_cmd code

Makes nano the default editor.

Fixes #46

pubs/commands/init_cmd.py

@@ -42,7 +42,6 @@ def command(conf, args):
     conf['main']['pubsdir'] = pubsdir
     conf['main']['docsdir'] = docsdir
     conf['main']['open_cmd'] = config.default_open_cmd()
-    conf['main']['edit_cmd'] = config.default_edit_cmd()
     config.save_conf(conf)
 
     Repository(conf, create=True)

pubs/config/__init__.py

@@ -1,2 +1,2 @@
 from .conf import get_confpath, load_default_conf, load_conf, save_conf, check_conf
-from .conf import default_open_cmd, default_edit_cmd
+from .conf import default_open_cmd

pubs/config/conf.py

@@ -75,28 +75,3 @@ def default_open_cmd():
         return 'start'
     else:
         return None
-
-
-def which(cmd):
-    try:
-        return shutil.which(cmd) # available in python 3.3
-    except AttributeError:
-        for path in ['.'] + os.environ["PATH"].split(os.pathsep):
-            filepath = os.path.join(path.strip('"'), cmd)
-            if os.path.isfile(path) and os.access(path, os.X_OK):
-                return filepath
-        return None
-
-
-def default_edit_cmd():
-    """Find an available editor"""
-    if 'EDITOR' in os.environ:
-        return os.environ['EDITOR']
-    elif platform.system() == 'Darwin' or 'Linux':
-        for editor in ['vim', 'nano', 'emacs', 'vi']:
-            if which(editor) is not None:
-                return editor
-    elif platform.system() == 'Windows':
-        return 'Notepad.exe | Out-Null' # wait for notepad to close
-    else:
-        return None

pubs/uis.py

@@ -33,9 +33,9 @@ def _get_encoding(conf):
 def _get_local_editor():
     """Get the editor from environment variables.
 
-    Use vi as a default.
+    Use nano as a default.
     """
-    return os.environ.get('EDITOR', 'vi')
+    return os.environ.get('EDITOR', 'nano')
 
 
 def get_ui():