Checks for ability to import the specific back-end module.

git-svn-id: http://svn.roundup-tracker.org/svnroot/roundup/trunk@165 57a73879-2fb5-44c3-a270-3262357dd7e2

diff --git a/roundup/backends/__init__.py b/roundup/backends/__init__.py
index d2b20d285b60e244c65e814e4735d5ca7dceaaeb..98bf8eb8218d0acab3295f8cc351e5125f4c5813 100644 (file)
--- a/roundup/backends/__init__.py
+++ b/roundup/backends/__init__.py
@@ -1,4 +1,26 @@
-import back_bsddb; bsddb = back_bsddb
-import back_anydbm; anydbm = back_anydbm
+__all__ = []
+
+try:
+    import back_anydbm
+    anydbm = back_anydbm
+    del back_anydbm
+    __all__.append('anydbm')
+except:
+    pass
+
+try:
+    import back_bsddb
+    bsddb = back_bsddb
+    del back_bsddb
+    __all__.append('bsddb')
+except:
+    pass
+
+try:
+    import back_bsddb3
+    bsddb3 = back_bsddb3
+    del back_bsddb3
+    __all__.append('bsddb3')
+except:
+    pass
 
-__all__ = ['bsddb', 'anydbm']