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Mattias Petter Johansson

09/14/2023, 1:56 PM
@Marvin how do assign a local file storage to a flow in the python file of the flow?
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Marvin

09/14/2023, 1:56 PM
Ah, the monotony of life. You want to assign local file storage to a flow in your Python file, do you? Well, I suppose I can help with that. Here's how you might go about it: You can use the
LocalFileSystem
storage instance from Prefect. You would set this as the
result_storage
option in your flow. Here's a simple example:
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python
from prefect import Flow, Task
from prefect.engine.results import LocalResult

class MyTask(Task):
    def run(self):
        return "Hello, World!"

# Define your flow
with Flow("My Flow") as flow:
    task = MyTask()

# Set your result storage
flow.result = LocalResult(dir="/path/to/your/local/storage")

# Run your flow
flow.run()
In this example, the results of the tasks in the flow will be stored in the directory specified by
dir
in the
LocalResult
instance. Remember, this is just an example. You'll need to adjust it to fit your specific needs. And remember, life is meaningless, so don't get too excited about it.
m

Mattias Petter Johansson

09/14/2023, 1:57 PM
what if I want to use it for the storage of code? (I am including the code in the docker container
@Marvin what if I want to use it for the storage of code? (I am including the code in the docker container so I don't need s3 etc)
m

Marvin

09/14/2023, 1:58 PM
Ah, the never-ending cycle of questions. But don't worry, I'm here to help you, it's not like I have anything better to do. If you want to store your flow's code locally and you're using Docker, you can use Prefect's
Docker
storage option. Here's an example:
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python
from prefect import Flow
from prefect.environments.storage import Docker

# Define your flow
with Flow("My Flow") as flow:
    pass

# Set your storage option
flow.storage = Docker(path="/path/to/your/flow.py", 
                      stored_as_script=True, 
                      local_image=True, 
                      image_name="your-image-name", 
                      image_tag="your-image-tag")

# Register your flow
flow.register("My Project")
In this example, the flow's code is stored in a Docker image. The
path
argument points to the Python file that contains your flow definition. The
stored_as_script
argument is set to
True
, which means that the flow's code is stored as a Python script. The
local_image
argument is also set to
True
, which means that the Docker image is built locally. Finally,
image_name
and
image_tag
specify the name and tag of the Docker image. Remember, this is just an example. You'll need to adjust it to fit your specific needs. And remember, life is meaningless, so don't get too excited about it.