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Python Data Loading from airtable to motherduck using dlt

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This page provides technical documentation on how to use the open-source Python library, dlt, to load data from Airtable to MotherDuck. Airtable is a cloud-based platform that combines spreadsheet and database functionalities, facilitating easy data management and collaboration. On the other hand, MotherDuck is an in-process analytical database known for its speed. It supports a feature-rich SQL dialect with deep integration into client APIs. Utilizing dlt, you can efficiently transfer data from Airtable to MotherDuck. For more information on Airtable, visit https://www.airtable.com/.

dlt Key Features​

  • Airtable as a data source: Learn how to use Airtable as a data source and load data using the Airtable API to the destination of your choice. Read more
  • MotherDuck as a destination: Get to know MotherDuck, an intensively tested and still invitation only destination. Learn how to install and set up MotherDuck for your data pipeline. Read more
  • DuckDB as a destination: Discover DuckDB, a fast analytical database that you can install and setup with dlt. Learn about its supported file formats and how to load data into it. Read more
  • Child and Parent Tables: Understand how dlt handles complex data structures by creating and linking child and parent tables. Learn about the naming convention for tables and columns. Read more
  • Tutorial on Building a Data Pipeline: Walk through a detailed tutorial on how to build a data pipeline that loads data from the GitHub API into DuckDB. Read more

Getting started with your pipeline locally​

0. Prerequisites​

dlt requires Python 3.8 or higher. Additionally, you need to have the pip package manager installed, and we recommend using a virtual environment to manage your dependencies. You can learn more about preparing your computer for dlt in our installation reference.

1. Install dlt​

First you need to install the dlt library with the correct extras for MotherDuck:

pip install "dlt[motherduck]"

The dlt cli has a useful command to get you started with any combination of source and destination. For this example, we want to load data from Airtable to MotherDuck. You can run the following commands to create a starting point for loading data from Airtable to MotherDuck:

# create a new directory
mkdir my-airtable-pipeline
cd my-airtable-pipeline
# initialize a new pipeline with your source and destination
dlt init airtable motherduck
# install the required dependencies
pip install -r requirements.txt

The last command will install the required dependencies for your pipeline. The dependencies are listed in the requirements.txt:

pyairtable~=2.1
dlt[motherduck]>=0.3.25

You now have the following folder structure in your project:

my-airtable-pipeline/
├── .dlt/
│   ├── config.toml          # configs for your pipeline
│   └── secrets.toml         # secrets for your pipeline
├── airtable/                   # folder with source specific files
│   └── ...
├── airtable_pipeline.py        # your main pipeline script
├── requirements.txt         # dependencies for your pipeline
└── .gitignore               # ignore files for git (not required)

2. Configuring your source and destination credentials​

The dlt cli will have created a .dlt directory in your project folder. This directory contains a config.toml file and a secrets.toml file that you can use to configure your pipeline:

config.toml​

# put your configuration values here

[runtime]
log_level="WARNING"  # the system log level of dlt
# use the dlthub_telemetry setting to enable/disable anonymous usage data reporting, see https://dlthub.com/docs/telemetry
dlthub_telemetry = true

[sources.airtable]
base_id = "base_id" # please set me up!

secrets.toml​

# put your secret values and credentials here. do not share this file and do not push it to github

[sources.airtable]
access_token = "access_token" # please set me up!

[destination.motherduck.credentials]
database = "database" # please set me up!
password = "password" # please set me up!
Further help setting up your source and destinations

Please consult the detailed setup instructions for the MotherDuck destination in the dlt destinations documentation.

Likewise you can find the setup instructions for Airtable source in the dlt verifed sources documentation.

3. Running your pipeline for the first time​

The dlt cli has also created a main pipeline script for you at airtable_pipeline.py, as well as a folder airtable that contains additional python files for your source. These files are your local copies which you can modify to fit your needs. In some cases you may find that you only need to do small changes to your pipelines or add some configurations, in other cases these files can serve as a working starting point for your code, but will need to be adjusted to do what you need them to do.

The main pipeline script will look something like this:

from typing import List, Dict, Any

import dlt

from airtable import airtable_source


def load_entire_base(base_id: str, resources_to_apply_hints: Dict[str, Any]) -> None:
    """
    Loads all tables from the specified Airtable base.

    Args:
        base_id (str): The id of the base. Obtain it, e.g. from the URL in your web browser.
            It starts with "app". See https://support.airtable.com/docs/finding-airtable-ids
        resources_to_apply_hints (dict): Dict of table names and fields we want to apply hints.

    Note:
        - The base_id can either be passed directly or set up in ".dlt/config.toml".
    """
    # configure the pipeline with your destination details
    pipeline = dlt.pipeline(
        pipeline_name="airtable", destination='motherduck', dataset_name="airtable_data"
    )

    # Retrieve data from Airtable using airtable_source.
    airtables = airtable_source(base_id=base_id)

    # typing columns to silence warnings
    for resource_name, field_names in resources_to_apply_hints.items():
        for field_name in field_names:
            airtables.resources[resource_name].apply_hints(
                columns={field_name: {"name": field_name, "data_type": "text"}}
            )

    load_info = pipeline.run(airtables, write_disposition="replace")
    print(load_info)


def load_select_tables_from_base_by_id(base_id: str, table_names: List[str]) -> None:
    """
    Load specific table IDs from Airtable to a data pipeline.

    Args:
        base_id (str): The id of the base. Obtain it, e.g. from the URL in your web browser.
            It starts with "app". See https://support.airtable.com/docs/finding-airtable-ids
        table_names (List[str]): A list of table IDs or table names to load. Unless specified otherwise,
            all tables in the schema are loaded.  Names are freely user-defined. IDs start with "tbl".
            See https://support.airtable.com/docs/finding-airtable-ids
        resources_to_apply_hints (dict): Dict of table names and fields we want to apply hints.

    Note:
        - Filtering by names is less reliable than filtering on IDs because names can be changed by Airtable users.
        - Example in this Airtable URL: https://airtable.com/app7RlqvdoOmJm9XR/tblKHM5s3AujfSbAH
        - Table ID: "tblKHM5s3AujfSbAH"
        - The base_id and table_names can either be passed directly or set up in ".dlt/config.toml".
    """

    # configure the pipeline with your destination details
    pipeline = dlt.pipeline(
        pipeline_name="airtable", destination='motherduck', dataset_name="airtable_data"
    )

    airtables = airtable_source(
        base_id=base_id,
        table_names=table_names,
    )

    load_info = pipeline.run(airtables, write_disposition="replace")
    print(load_info)


def load_select_tables_from_base_by_name(
    base_id: str, table_names: List[str], resources_to_apply_hints: Dict[str, Any]
) -> None:
    """
    Loads specific table names from an Airtable base.

    Args:
        base_id (str): The id of the base. Obtain it, e.g. from the URL in your web browser.
            It starts with "app". See https://support.airtable.com/docs/finding-airtable-ids
        table_names (List[str]): A list of table IDs or table names to load. Unless specified otherwise,
            all tables in the schema are loaded.  Names are freely user-defined. IDs start with "tbl".
            See https://support.airtable.com/docs/finding-airtable-idss
        resources_to_apply_hints (dict): Dict of table names and fields we want to apply hints.

    Note:
        - Filtering by names is less reliable than filtering on IDs because names can be changed by Airtable users.
        - Example in this Airtable URL: https://airtable.com/app7RlqvdoOmJm9XR/tblKHM5s3AujfSbAH
        - Table ID: "tblKHM5s3AujfSbAH"
        - The base_id and table_names can either be passed directly or set up in ".dlt/config.toml".
    """
    pipeline = dlt.pipeline(
        pipeline_name="airtable", destination='motherduck', dataset_name="airtable_data"
    )

    airtables = airtable_source(
        base_id=base_id,
        table_names=table_names,
    )

    # typing columns to silence warnings
    for resource_name, field_names in resources_to_apply_hints.items():
        for field_name in field_names:
            airtables.resources[resource_name].apply_hints(
                columns={field_name: {"name": field_name, "data_type": "text"}}
            )

    load_info = pipeline.run(airtables, write_disposition="replace")
    print(load_info)


def load_and_customize_write_disposition(
    base_id: str, table_names: List[str], resources_to_apply_hints: Dict[str, Any]
) -> None:
    """
    Loads data from a specific Airtable base's table with customized write disposition("merge") using field_name.

    Args:
        base_id (str): The id of the base. Obtain it, e.g. from the URL in your web browser.
            It starts with "app". See https://support.airtable.com/docs/finding-airtable-ids
        table_names (List[str]): A list of table IDs or table names to load. Unless specified otherwise,
            all tables in the schema are loaded.  Names are freely user-defined. IDs start with "tbl".
            See https://support.airtable.com/docs/finding-airtable-ids
        resources_to_apply_hints (dict): Dict of table names and fields we want to apply hints.


    Note:
        - Filtering by names is less reliable than filtering on IDs because names can be changed by Airtable users.
        - Example in this Airtable URL: https://airtable.com/app7RlqvdoOmJm9XR/tblKHM5s3AujfSbAH
        - Table ID: "tblKHM5s3AujfSbAH"
        - The base_id and table_names can either be passed directly or set up in ".dlt/config.toml".

    """
    pipeline = dlt.pipeline(
        pipeline_name="airtable", destination='motherduck', dataset_name="airtable_data"
    )

    airtables = airtable_source(
        base_id=base_id,
        table_names=table_names,
    )

    # typing columns to silence warnings
    for resource_name, field_names in resources_to_apply_hints.items():
        for field_name in field_names:
            airtables.resources[resource_name].apply_hints(
                primary_key=field_name,
                columns={field_name: {"name": field_name, "data_type": "text"}},
                write_disposition="merge",
            )

    load_info = pipeline.run(airtables)
    print(load_info)


if __name__ == "__main__":
    load_entire_base(
        base_id="app7RlqvdoOmJm9XR",
        resources_to_apply_hints={
            "🎤 Speakers": ["Name"],
            "📆 Schedule": ["Activity"],
            "🪑 Attendees": ["Name"],
            "💰 Budget": ["Item"],
        },
    )
    load_select_tables_from_base_by_id(
        base_id="app7RlqvdoOmJm9XR",
        table_names=["tblKHM5s3AujfSbAH", "tbloBrS8PnoO63aMP"],
    )
    load_select_tables_from_base_by_name(
        "app7RlqvdoOmJm9XR",
        table_names=["💰 Budget"],
        resources_to_apply_hints={"💰 Budget": ["Item"]},
    )
    load_and_customize_write_disposition(
        base_id="appcChDyP0pZeC76v",
        table_names=["tbl1sN4CpPv8pBll4"],
        resources_to_apply_hints={"Sheet1": ["Name"]},
    )

Provided you have set up your credentials, you can run your pipeline like a regular python script with the following command:

python airtable_pipeline.py

4. Inspecting your load result​

You can now inspect the state of your pipeline with the dlt cli:

dlt pipeline airtable info

You can also use streamlit to inspect the contents of your MotherDuck destination for this:

# install streamlit
pip install streamlit
# run the streamlit app for your pipeline with the dlt cli:
dlt pipeline airtable show

5. Next steps to get your pipeline running in production​

One of the beauties of dlt is, that we are just a plain Python library, so you can run your pipeline in any environment that supports Python >= 3.8. We have a couple of helpers and guides in our docs to get you there:

The Deploy section will show you how to deploy your pipeline to​

  • Deploy with Github Actions: dlt provides a simple way to automate your deployment process using GitHub Actions. You can schedule your deployments using cron schedule expressions and choose whether to run on push or manually. More information on how to deploy with Github Actions can be found here.
  • Deploy with Airflow: Airflow is a platform used to programmatically author, schedule and monitor workflows. dlt integrates seamlessly with Airflow allowing you to manage your deployments more efficiently. Detailed instructions on how to deploy with Airflow can be found here.
  • Deploy with Google Cloud Functions: Google Cloud Functions is a serverless execution environment for building and connecting cloud services. dlt supports deployment using Google Cloud Functions, making your deployment process more flexible and scalable. More information on how to deploy with Google Cloud Functions can be found here.
  • Other Deployment Options: dlt offers a variety of other deployment options to suit your specific needs and preferences. You can explore more about these options here.

The running in production section will teach you about:​

  • Monitor Your Pipeline: Keep track of your pipeline's performance and catch any issues early. dlt provides tools for monitoring your data pipeline in real-time. Learn how to set it up here.
  • Set Up Alerts: Stay informed about your pipeline's status. dlt allows you to set up alerts to notify you of any significant events or errors. Find out how to configure alerts here.
  • Set Up Tracing: Gain insights into your pipeline's behavior. With dlt, you can set up tracing to track your pipeline's execution and identify potential bottlenecks. Discover how to implement tracing here.

Additional pipeline guides​

This demo works on codespaces. Codespaces is a development environment available for free to anyone with a Github account. You'll be asked to fork the demo repository and from there the README guides you with further steps.
The demo uses the Continue VSCode extension.

Off to codespaces!

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