Using the CData ODBC Driver for SFTP in PyCharm

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 SFTP 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 SFTP 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.

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Connect to SFTP

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.

SFTP can be used to transfer files to and from SFTP servers using the SFTP Protocol. To connect, specify the RemoteHost;. service uses the User and Password and public key authentication (SSHClientCert). Choose an SSHAuthMode and specify connection values based on your selection.

Set the following connection properties to control the relational view of the file system:

• RemotePath: Set this to the current working directory.
• TableDepth: Set this to control the depth of subfolders to report as views.
• FileRetrievalDepth: Set this to retrieve files recursively and list them in the Root table.

Stored Procedures are available to download files, upload files, and send protocol commands. See gdatamodel for more on using SQL to interact with the server.

Below is the syntax for a DSN:

[CData SFTP Source]
Driver = CData ODBC Driver for SFTP
Description = My Description
RemoteHost = MyFTPServer

Execute SQL to SFTP

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 SFTP};RemoteHost = MyFTPServer;')
cursor = cnxn.cursor()
cursor.execute("SELECT Filesize, Filename FROM MyDirectory WHERE FilePath = '/documents/doc.txt'")
rows = cursor.fetchall()
for row in rows:
 print(row.Filesize, row.Filename)

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