Making arguments positional and removing the "usage" functions

All these arguments were required and might as well be positional
thusly.  If you don't provide all required positional arguments,
argparser will correct you and request usage.

mediagoblin/gmg_commands/users.py

@@ -1,23 +1,17 @@
-import os
-
 from mediagoblin.gmg_commands import util as commands_util
-from mediagoblin.db.open import setup_connection_and_db_from_config
 from mediagoblin.auth import lib as auth_lib
 from mediagoblin import mg_globals
 
-def adduser_usage():
-    print '\nUsage: adduser -u username -p password -m email'
-
 
 def adduser_parser_setup(subparser):
     subparser.add_argument(
-        '-u', '--username',
+        'username',
         help="Username used to login")
     subparser.add_argument(
-        '-p', '--password',
+        'password',
         help="Your supersecret word to login")
     subparser.add_argument(
-        '-m', '--email',
+        'email',
         help="Email to recieve notifications")
     subparser.add_argument(
         '-cf', '--conf_file', default='mediagoblin.ini',
@@ -26,46 +20,32 @@ def adduser_parser_setup(subparser):
 
 def adduser(args):
     #TODO: Lets trust admins this do not validate Emails :)
-    if args.username == None :
-        print 'You must provide an username'
-        adduser_usage()
-    elif args.password == None:
-        print 'You must provide a password'
-        adduser_usage()
-    elif args.email == None:
-        print 'You must provide an email'
-        adduser_usage()
+    commands_util.setup_app(args)
+
+    db = mg_globals.database
+    users_with_username = \
+        db.User.find({
+            'username': args.username.lower()
+        }).count()
+
+    if users_with_username:
+        print u'Sorry, a user with that name already exists.'
+
     else:
-        mgoblin_app = commands_util.setup_app(args)
+        # Create the user
+        entry = db.User()
+        entry['username'] = unicode(args.username.lower())
+        entry['email'] = unicode(args.email)
+        entry['pw_hash'] = auth_lib.bcrypt_gen_password_hash(args.password)
+        entry['email_verified'] = True
+        entry.save(validate=True)
 
-        db = mg_globals.database
-        users_with_username = \
-            db.User.find({
-                'username': args.username.lower()
-            }).count()
-
-        if users_with_username:
-            print u'Sorry, a user with that name already exists.'
-
-        else:
-            # Create the user
-            entry = db.User()
-            entry['username'] = unicode(args.username.lower())
-            entry['email'] = unicode(args.email)
-            entry['pw_hash'] = auth_lib.bcrypt_gen_password_hash(args.password)
-            entry['email_verified'] = True
-            entry.save(validate=True)
-
-            print "User Created: Already Verified :)"
-
-
-def makeadmin_usage():
-    print '\nUsage: makeadmin -u username'
+        print "User Created: Already Verified :)"
 
 
 def makeadmin_parser_setup(subparser):
     subparser.add_argument(
-        '-u', '--username',
+        'username',
         help="Username to give admin level")
     subparser.add_argument(
         '-cf', '--conf_file', default='mediagoblin.ini',
@@ -73,33 +53,25 @@ def makeadmin_parser_setup(subparser):
 
 
 def makeadmin(args):
-    if args.username == None:
-        print 'You must provide an username'
-        makeadmin_usage()
+    commands_util.setup_app(args)
+
+    db = mg_globals.database
+
+    user = db.User.one({'username':unicode(args.username.lower())})
+    if user:
+        user['is_admin'] = True
+        user.save()
+        print 'The user is now Admin'
     else:
-        mgoblin_app = commands_util.setup_app(args)
-
-        db = mg_globals.database
-
-        user = db.User.one({'username':unicode(args.username.lower())})
-        if user:
-            user['is_admin'] = True
-            user.save()
-            print 'The user is now Admin'
-        else:
-            print 'The user doesn\'t exist'
-
-
-def changepw_usage():
-    print '\nUsage: changepw -u username -p new_password'
+        print 'The user doesn\'t exist'
 
 
 def changepw_parser_setup(subparser):
     subparser.add_argument(
-        '-u', '--username',
+        'username',
         help="Username used to login")
     subparser.add_argument(
-        '-p', '--password',
+        'password',
         help="Your NEW supersecret word to login")
     subparser.add_argument(
         '-cf', '--conf_file', default='mediagoblin.ini',
@@ -107,22 +79,15 @@ def changepw_parser_setup(subparser):
 
 
 def changepw(args):
-    if args.username == None:
-        print 'You must provide an username'
-        adduser_usage()
-    elif args.password == None:
-        print 'You must provide a password'
-        adduser_usage()
+    commands_util.setup_app(args)
+
+    db = mg_globals.database
+
+    user = db.User.one({'username':unicode(args.username.lower())})
+    if user:
+        user['pw_hash'] = auth_lib.bcrypt_gen_password_hash(args.password)
+        user.save()
+        print 'Password successfully changed'
     else:
-        mgoblin_app = commands_util.setup_app(args)
-
-        db = mg_globals.database
-
-        user = db.User.one({'username':unicode(args.username.lower())})
-        if user:
-            user['pw_hash'] = auth_lib.bcrypt_gen_password_hash(args.password)
-            user.save()
-            print 'Password successfully changed'
-        else:
-            print 'The user doesn\'t exist'
+        print 'The user doesn\'t exist'