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Using the CData ODBC Driver for ServiceNow in PyCharm

Connect to ServiceNow as an ODBC data source in PyCharm using the CData ODBC Driver for ServiceNow.

The CData ODBC Drivers can be used in any environment that supports loading an ODBC Driver. In this tutorial we will explore using the CData ODBC Driver for ServiceNow from within PyCharm. Included are steps for adding the CData ODBC Driver as a data source, as well as basic PyCharm code to query the data source and display results.

To begin, this tutorial will assume that you have already installed the CData ODBC Driver for ServiceNow as well as PyCharm.

Add Pyodbc to the Project

Follow the steps below to add the pyodbc module to your project.

  1. Click File -> Settings to open the project settings window.
  2. Click Project Interpreter from the Project: YourProjectName menu.
  3. To add pyodbc, click the + button and enter pyodbc.
  4. Click Install Package to install pyodbc.

Connect to ServiceNow

You can now connect with an ODBC connection string or a DSN. See the Getting Started section in the CData driver documentation for a guide to creating a DSN on your OS.

ServiceNow uses the OAuth 2.0 authentication standard. To authenticate using OAuth, you will need to register an OAuth app with ServiceNow to obtain the OAuthClientId and OAuthClientSecret connection properties. In addition to the OAuth values, you will need to specify the Instance, Username, and Password connection properties.

See the "Getting Started" chapter in the help documentation for a guide on connecting to ServiceNow.

Below is the syntax for a DSN:

[CData ServiceNow Source] Driver = CData ODBC Driver for ServiceNow Description = My Description OAuthClientId = MyOAuthClientId OAuthClientSecret = MyOAuthClientSecret Username = MyUsername Password = MyPassword Instance = MyInstance

Execute SQL to ServiceNow

Instantiate a Cursor and use the execute method of the Cursor class to execute any SQL statement.

import pyodbc cnxn = pyodbc.connect('DRIVER={CData ODBC Driver for ServiceNow};OAuthClientId = MyOAuthClientId;OAuthClientSecret = MyOAuthClientSecret;Username = MyUsername;Password = MyPassword;Instance = MyInstance;') cursor = cnxn.cursor() cursor.execute("SELECT sys_id, priority FROM incident WHERE category = 'request'") rows = cursor.fetchall() for row in rows: print(row.sys_id, row.priority)

After connecting to ServiceNow in PyCharm using the CData ODBC Driver, you will be able to build Python apps with access to ServiceNow data as if it were a standard database. If you have any questions, comments, or feedback regarding this tutorial, please contact us at