Set custom column only if there's a value (mostly for int/float columns).

makeplugin.py

@@ -0,0 +1,38 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# epubmerge.py 1.0
+
+# Copyright 2011, Jim Miller
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#   http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+from glob import glob
+
+from makezip import createZipFile
+
+if __name__=="__main__":
+    filename="FanFictionDownLoader.zip"
+    exclude=['*.pyc','*~','*.xcf','*[0-9].png']
+    # from top dir. 'w' for overwrite
+    createZipFile(filename,"w",
+                  ['plugin-defaults.ini','plugin-example.ini','fanficdownloader','downloader.py','defaults.ini'],
+                  exclude=exclude)
+    #from calibre-plugin dir. 'a' for append
+    os.chdir('calibre-plugin')
+    files=['about.txt','images',]
+    files.extend(glob('*.py'))
+    files.extend(glob('plugin-import-name-*.txt'))
+    createZipFile("../"+filename,"a",
+                  files,exclude=exclude)