From: Oleg Broytman <phd@phdru.name>
Date: Tue, 22 Dec 2015 21:07:18 +0000 (+0300)
Subject: Add insert_name
X-Git-Tag: 0.0.3~7
X-Git-Url: https://git.phdru.name/?p=m_librarian.git;a=commitdiff_plain;h=60ab4c2c127689e13fe1f448781aa663fb672289

Add insert_name

Insert a unique name if it doesn't exist.
---

diff --git a/m_librarian/db.py b/m_librarian/db.py
index 199f967..7cd53a1 100755
--- a/m_librarian/db.py
+++ b/m_librarian/db.py
@@ -1,12 +1,12 @@
 #! /usr/bin/env python
 
 __all__ = ['Author', 'Book', 'Extension', 'Genre', 'Language',
-           'init_db',
+           'init_db', 'insert_name',
            ]
 
 import os
 from sqlobject import SQLObject, StringCol, UnicodeCol, IntCol, BoolCol, \
-    ForeignKey, DateCol, connectionForURI, sqlhub, dberrors
+    ForeignKey, DateCol, connectionForURI, sqlhub, SQLObjectNotFound, dberrors
 from .config import ml_conf
 
 try:
@@ -91,6 +91,13 @@ def init_db():
         return
 
 
+def insert_name(table, name):
+    try:
+        return table.byName(name)
+    except SQLObjectNotFound:
+        return table(name=name, count=0)
+
+
 def test():
     print "DB dirs:", db_dirs
     if db_uri: