From ab0e6009775b031633f7f1af38dbd1157a673497 Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Fri, 12 Sep 2014 17:53:27 +0200
Subject: [PATCH] Error if unknown sections are in the config.

---
 qutebrowser/app.py           |  2 ++
 qutebrowser/config/config.py | 13 ++++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/qutebrowser/app.py b/qutebrowser/app.py
index 65d4be0cf..070c65d59 100644
--- a/qutebrowser/app.py
+++ b/qutebrowser/app.py
@@ -176,6 +176,8 @@ class Application(QApplication):
                                                self)
         except (configtypes.ValidationError,
                 config.NoOptionError,
+                config.NoSectionError,
+                config.UnknownSectionError,
                 config.InterpolationSyntaxError,
                 configparser.InterpolationError,
                 configparser.DuplicateSectionError,
diff --git a/qutebrowser/config/config.py b/qutebrowser/config/config.py
index 267177617..22bd27063 100644
--- a/qutebrowser/config/config.py
+++ b/qutebrowser/config/config.py
@@ -75,6 +75,13 @@ class InterpolationSyntaxError(ValueError):
     pass
 
 
+class UnknownSectionError(Exception):
+
+    """Exception raised when there was an unknwon section in the config."""
+
+    pass
+
+
 class ConfigManager(QObject):
 
     """Configuration manager for qutebrowser.
@@ -203,7 +210,11 @@ class ConfigManager(QObject):
         Args:
             cp: The configparser instance to read the values from.
         """
-        for sectname in self.sections.keys():
+        for sectname in cp:
+            if sectname is not 'DEFAULT' and sectname not in self.sections:
+                raise UnknownSectionError("Unknown section '{}'!".format(
+                    sectname))
+        for sectname in self.sections:
             if sectname not in cp:
                 continue
             for k, v in cp[sectname].items():