[IMPR] Simplify bot.handle_args() function

Change-Id: I5d80c2fa29cfa51752271d2ca68dc78f69400a3a
---
M pywikibot/bot.py
1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/pywikibot/bot.py b/pywikibot/bot.py
index 2c3e105..70b2b14 100644
--- a/pywikibot/bot.py
+++ b/pywikibot/bot.py
@@ -807,17 +807,16 @@
         # it's the version in pywikibot.__init__ that is changed by scripts,
         # not the one in pywikibot.bot.
         args = pywikibot.argvu[1:]
+
     # get the name of the module calling this function. This is
     # required because the -help option loads the module's docstring and
     # because the module name will be used for the filename of the log.
-    module_name = calledModuleName()
-    if not module_name:
-        module_name = 'terminal-interface'
+    module_name = calledModuleName() or 'terminal-interface'
     non_global_args = []
     username = None
     do_help = None if do_help else False
     for arg in args:
-        option, sep, value = arg.partition(':')
+        option, _, value = arg.partition(':')
         if do_help is not False and option == '-help':
             do_help = True
         elif option == '-dir':
@@ -871,15 +870,12 @@
         elif option == '-debug':
             if module_name not in config.log:
                 config.log.append(module_name)
-            if value:
-                if value not in config.debug_log:
-                    config.debug_log.append(value)
-            elif '' not in config.debug_log:
-                config.debug_log.append('')
+            if value not in config.debug_log:
+                config.debug_log.append(value)  # may be empty string
         elif option in ('-verbose', '-v'):
             config.verbose_output += 1
         elif option == '-daemonize':
-            redirect_std = value if value else None
+            redirect_std = value or None
             daemonize.daemonize(redirect_std=redirect_std)
         else:
             # the argument depends on numerical config settings

