Improved CLI error handling

[mpd-sima.git] / sima / utils / config.py

diff --git a/sima/utils/config.py b/sima/utils/config.py
index fdf17eb260e20f2d3ae19b5183a38b326afd6fc6..0e775ecc54d5c1294daebdc643b1250fe3037d0f 100644 (file)
--- a/sima/utils/config.py
+++ b/sima/utils/config.py
@@ -50,7 +50,7 @@ DEFAULT_CONF = {
             'contrib': "",
             'user_db': "false",
             'history_duration': 8,
-            'queue_length': 1,
+            'queue_length': 2,
             'var_dir': 'empty',
             'musicbrainzid': "true",
             },
@@ -127,13 +127,19 @@ class ConfMan(object):  # CONFIG MANAGER CLASS
         self.config['sima']['db_file'] = join(self.config['sima']['var_dir'], 'sima.db')
 
     def control_facc(self):
-        """TODO: redundant with startopt cli args controls
+        """Controls file access.
+        This is relevant only for file provided through the configuration file
+        since files provided on the command line are already checked with
+        argparse.
         """
         ok = True
         for op, ftochk in [('log', self.config['log']['logfile']),
                            ('pidfile', self.config['daemon']['pidfile']),]:
             if not ftochk:
                 continue
+            if isdir(ftochk):
+                self.log.critical('Need a file not a directory: "{}"'.format(ftochk))
+                ok = False
             if not exists(ftochk):
                 # Is parent directory writable then
                 filedir = dirname(ftochk)
@@ -142,9 +148,11 @@ class ConfMan(object):  # CONFIG MANAGER CLASS
                     ok = False
             else:
                 if not access(ftochk, W_OK):
-                    self.log.critical('no write access to "{0}" ({1}))'.format(ftochk, op))
+                    self.log.critical('no write access to "{0}" ({1})'.format(ftochk, op))
                     ok = False
         if not ok:
+            if exists(self.conf_file):
+                self.log.warning('Try to check the configuration file: {}'.format(self.conf_file))
             sys.exit(2)
 
     def control_mod(self):