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03/25/2025, 9:16 AMMarvin
03/25/2025, 9:17 AMflow.from_source()
in a local environment, you can follow this example. This uses the Prefect 3.x API and assumes that you're deploying a flow from a local source, not a remote one.
Here's a basic script to demonstrate how you can achieve this:
python
from prefect import flow
@flow
def my_flow():
print("Hello, Prefect!")
if __name__ == "__main__":
# Load the flow from a local source
flow_from_source = my_flow.from_source(source="path/to/your/flow.py")
# Deploy the flow
flow_from_source.deploy(name="my-local-deployment")
### Key Points:
- from_source
: This method is used to load the flow from a specified source. In this case, it's a local file path.
- deploy
: Once the flow is loaded, you can deploy it by specifying the deployment name.
### Links for Further Reference:
- Prefect Flows Documentation
- Prefect Deployment Guide
If you're integrating this with PyO3 or have specific configurations, make sure the path and execution environment align with your setup.Tinh
03/25/2025, 2:55 PM/opt/prefect
Marvin
03/25/2025, 2:55 PM/opt/prefect
could be due to several reasons related to installation paths or configurations. Here are some possibilities:
1. Installation Path: Prefect is typically installed as a Python package, and the default installation path depends on your Python environment setup. It might not necessarily be /opt/prefect
unless explicitly configured that way.
2. Virtual Environments: If you're using a virtual environment, Prefect will be installed in the site-packages
directory of that environment, not in a global directory like /opt/prefect
.
3. Docker or Containerized Environments: If you're running Prefect within a container, the path might be different or isolated within the container's file system.
4. Custom Installation: If Prefect was installed with a custom script or configuration, the path may vary. It's essential to verify where the package was installed by checking your Python environment's site-packages
.
5. Configuration Issues: Ensure that your environment variables or configuration files aren't pointing to a non-existent directory.
For more details on installation and troubleshooting, you can refer to these resources:
- Prefect Installation Guide
- Prefect Troubleshooting Guide
If none of these apply, you might want to check for any specific configurations or scripts that might have altered the default installation behavior.