How to Import Snowflake Python Libraries in AWS Lambda
If you are working with Snowflake and AWS Lambda, you may need to import Snowflake Python libraries in your Lambda function. In this article, we will show you how to do that.
Outline
- Introduction
- Prerequisites
- Step-by-Step Guide
- Conclusion
Prerequisites
Before we start, make sure you have the following:
- An AWS account
- A Snowflake account
- A Snowflake Python connector installed on your local machine
- A basic understanding of AWS Lambda and Snowflake
Step-by-Step Guide
Follow these steps to import Snowflake Python libraries in AWS Lambda:
Step 1: Create a new Lambda function
Log in to your AWS account and go to the Lambda console. Click on “Create function” and choose “Author from scratch”. Give your function a name, choose “Python 3.8” as the runtime, and click on “Create function”.
Step 2: Add Snowflake Python libraries to your function
Download the Snowflake Python connector from the Snowflake website and install it on your local machine. Once installed, navigate to the site-packages folder where the connector is installed and copy the following files:
- snowflake
- snowflake-connector-python
- snowflake-connector-python-version–dist-info
Zip these files and upload them to your Lambda function by clicking on “Upload from” and choosing “Zip file”.
Step 3: Import Snowflake Python libraries in your function
In your Lambda function code, import the Snowflake Python libraries by adding the following lines:
import sys
sys.path.append('/var/task')
import snowflake.connector
Make sure to replace “/var/task” with the path to the folder where you uploaded the Snowflake Python libraries.
Step 4: Use Snowflake Python libraries in your function
You can now use the Snowflake Python libraries in your Lambda function. Here is an example:
import snowflake.connector
def lambda_handler(event, context):
conn = snowflake.connector.connect(
user='your_username',
password='your_password',
account='your_account',
warehouse='your_warehouse',
database='your_database',
schema='your_schema'
)
cursor = conn.cursor()
cursor.execute("SELECT * FROM your_table")
rows = cursor.fetchall()
for row in rows:
print(row)
Make sure to replace the placeholders with your Snowflake account information and table name.
Conclusion
Importing Snowflake Python libraries in AWS Lambda is a simple process. By following the steps outlined in this article, you can easily use Snowflake Python libraries in your Lambda function.
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