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Showing posts from November, 2011

IronPython, PetaPoco, and .Net 4 'dynamic'

Recently I was playing around with IronPython and PetaPoco (a .Net micro-ORM). PetaPoco allows the use of the 'dynamic' keyword when querying data. Unfortunately, the dynamic keyword is not available in IronPython. However, since IronPython makes use of the DLR, its types are already dynamic instances. Therefore, all I needed to do was provide a Python type instead of the dynamic keyword (I used 'object'). The end result is an interesting combination of Oracle, PetaPoco, .Net 4, and IronPython. import clr import csv clr.AddReferenceToFile( "Oracle.DataAccess.dll" ) clr.AddReferenceToFile( "PetaPoco.dll" ) import Oracle.DataAccess.Client import PetaPoco conString = "user id=USER;data source=DB;password=PASS" provider = Oracle.DataAccess.Client.OracleClientFactory() db = PetaPoco.Database(conString, provider) query = "select * from my_table" result = db.Fetch[object](query) csvFile = csv.writer(open('out.csv', '