Fix a bug in opening existing SQLite db

[m_librarian.git] / m_librarian / db.py

diff --git a/m_librarian/db.py b/m_librarian/db.py
index d63fd416406abe7b01d426189edfbf7e7d65d545..d176e7bc629fee4583ac325ea41743ea1fa4cef5 100755 (executable)
--- a/m_librarian/db.py
+++ b/m_librarian/db.py
@@ -32,13 +32,14 @@ if not db_uri:
         except OSError:  # Perhaps already exists
             pass
         db_file = os.path.join(db_dir, 'm_librarian.sqlite')
-        db_uri = 'sqlite://%s' % db_file.replace(os.sep, '/')
+
+    db_uri = 'sqlite://%s' % db_file.replace(os.sep, '/')
 
 sqlhub.processConnection = connectionForURI(db_uri)
 
 
 class Author(SQLObject):
-    name = UnicodeCol()
+    name = UnicodeCol(unique=True)
     count = IntCol()
 
 
@@ -58,18 +59,18 @@ class Book(SQLObject):
 
 
 class Extension(SQLObject):
-    name = StringCol()
+    name = StringCol(unique=True)
     count = IntCol()
 
 
 class Genre(SQLObject):
-    name = StringCol()
+    name = StringCol(unique=True)
     title = UnicodeCol()
     count = IntCol()
 
 
 class Language(SQLObject):
-    name = StringCol()
+    name = StringCol(unique=True)
     count = IntCol()