py3k: Rename .next() to __next__(), add python2.x compatibility alias

[obsolete/notmuch-old] / bindings / python / notmuch / database.py

diff --git a/bindings/python/notmuch/database.py b/bindings/python/notmuch/database.py
index 7923f768b1f78caec831c3018b5280367feb9712..3f6e04d6f4d0e8e25dc5e1427a580712649a73e1 100644 (file)
--- a/bindings/python/notmuch/database.py
+++ b/bindings/python/notmuch/database.py
@@ -543,7 +543,13 @@ class Database(object):
         """ Reads a user's notmuch config and returns his db location
 
         Throws a NotmuchError if it cannot find it"""
-        from ConfigParser import SafeConfigParser
+        try:
+            # python3.x
+            from configparser import SafeConfigParser
+        except ImportError:
+            # python2.x
+            from ConfigParser import SafeConfigParser
+
         config = SafeConfigParser()
         conf_f = os.getenv('NOTMUCH_CONFIG',
                            os.path.expanduser('~/.notmuch-config'))
@@ -919,7 +925,7 @@ class Filenames(object):
     _move_to_next.argtypes = [NotmuchFilenamesP]
     _move_to_next.restype = None
 
-    def next(self):
+    def __next__(self):
         if self._files_p is None:
             raise NotmuchError(STATUS.NOT_INITIALIZED)
 
@@ -930,6 +936,7 @@ class Filenames(object):
         file = Filenames._get(self._files_p)
         self._move_to_next(self._files_p)
         return file
+    next = __next__ # python2.x iterator protocol compatibility
 
     def __len__(self):
         """len(:class:`Filenames`) returns the number of contained files