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Python Connector Libraries for WooCommerce Data Connectivity. Integrate WooCommerce with popular Python tools like Pandas, SQLAlchemy, Dash & petl.

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How to use SQLAlchemy ORM to access WooCommerce Data in Python


Create Python applications and scripts that use SQLAlchemy Object-Relational Mappings of WooCommerce data.

The rich ecosystem of Python modules lets you get to work quickly and integrate your systems effectively. With the CData Python Connector for WooCommerce and the SQLAlchemy toolkit, you can build WooCommerce-connected Python applications and scripts. This article shows how to use SQLAlchemy to connect to WooCommerce data to query, update, delete, and insert WooCommerce data.

With built-in optimized data processing, the CData Python Connector offers unmatched performance for interacting with live WooCommerce data in Python. When you issue complex SQL queries from WooCommerce, the CData Connector pushes supported SQL operations, like filters and aggregations, directly to WooCommerce and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations).

Connecting to WooCommerce Data

Connecting to WooCommerce data looks just like connecting to any relational data source. Create a connection string using the required connection properties. For this article, you will pass the connection string as a parameter to the create_engine function.

WooCommerce supports the following authentication methods: one-legged OAuth1.0 Authentication and standard OAuth2.0 Authentication.

Connecting using one-legged OAuth 1.0 Authentication

Specify the following properties (NOTE: the below credentials are generated from WooCommerce settings page and should not be confused with the credentials generated by using WordPress OAuth2.0 plugin):

  • ConsumerKey
  • ConsumerSecret

Connecting using WordPress OAuth 2.0 Authentication

After having configured the plugin, you may connect to WooCommerce by providing the following connection properties:

  • OAuthClientId
  • OAuthClientSecret
  • CallbackURL
  • InitiateOAuth - Set this to either GETANDREFRESH or REFRESH

In either case, you will need to set the Url property to the URL of the WooCommerce instance.

Follow the procedure below to install SQLAlchemy and start accessing WooCommerce through Python objects.

Install Required Modules

Use the pip utility to install the SQLAlchemy toolkit and SQLAlchemy ORM package:

pip install sqlalchemy pip install sqlalchemy.orm

Be sure to import the appropriate modules:

from sqlalchemy import create_engine, String, Column from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import sessionmaker

Model WooCommerce Data in Python

You can now connect with a connection string. Use the create_engine function to create an Engine for working with WooCommerce data.

NOTE: Users should URL encode the any connection string properties that include special characters. For more information, refer to the SQL Alchemy documentation.

engine = create_engine("woocommerce:///?Url=https://example.com/& ConsumerKey=ck_ec52c76185c088ecaa3145287c8acba55a6f59ad& ConsumerSecret=cs_9fde14bf57126156701a7563fc87575713c355e5& InitiateOAuth=GETANDREFRESH&OAuthSettingsLocation=/PATH/TO/OAuthSettings.txt")

Declare a Mapping Class for WooCommerce Data

After establishing the connection, declare a mapping class for the table you wish to model in the ORM (in this article, we will model the Orders table). Use the sqlalchemy.ext.declarative.declarative_base function and create a new class with some or all of the fields (columns) defined.

base = declarative_base() class Orders(base): __tablename__ = "Orders" ParentId = Column(String,primary_key=True) Total = Column(String) ...

Query WooCommerce Data

With the mapping class prepared, you can use a session object to query the data source. After binding the Engine to the session, provide the mapping class to the session query method.

Using the query Method

engine = create_engine("woocommerce:///?Url=https://example.com/& ConsumerKey=ck_ec52c76185c088ecaa3145287c8acba55a6f59ad& ConsumerSecret=cs_9fde14bf57126156701a7563fc87575713c355e5& InitiateOAuth=GETANDREFRESH&OAuthSettingsLocation=/PATH/TO/OAuthSettings.txt") factory = sessionmaker(bind=engine) session = factory() for instance in session.query(Orders).filter_by(ParentId="3"): print("ParentId: ", instance.ParentId) print("Total: ", instance.Total) print("---------")

Alternatively, you can use the execute method with the appropriate table object. The code below works with an active session.

Using the execute Method

Orders_table = Orders.metadata.tables["Orders"] for instance in session.execute(Orders_table.select().where(Orders_table.c.ParentId == "3")): print("ParentId: ", instance.ParentId) print("Total: ", instance.Total) print("---------")

For examples of more complex querying, including JOINs, aggregations, limits, and more, refer to the Help documentation for the extension.

Insert WooCommerce Data

To insert WooCommerce data, define an instance of the mapped class and add it to the active session. Call the commit function on the session to push all added instances to WooCommerce.

new_rec = Orders(ParentId="placeholder", ParentId="3") session.add(new_rec) session.commit()

Update WooCommerce Data

To update WooCommerce data, fetch the desired record(s) with a filter query. Then, modify the values of the fields and call the commit function on the session to push the modified record to WooCommerce.

updated_rec = session.query(Orders).filter_by(SOME_ID_COLUMN="SOME_ID_VALUE").first() updated_rec.ParentId = "3" session.commit()

Delete WooCommerce Data

To delete WooCommerce data, fetch the desired record(s) with a filter query. Then delete the record with the active session and call the commit function on the session to perform the delete operation on the provided records (rows).

deleted_rec = session.query(Orders).filter_by(SOME_ID_COLUMN="SOME_ID_VALUE").first() session.delete(deleted_rec) session.commit()

Free Trial & More Information

Download a free, 30-day trial of the CData Python Connector for WooCommerce to start building Python apps and scripts with connectivity to WooCommerce data. Reach out to our Support Team if you have any questions.