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m

Max Kolasinski

05/25/2023, 3:39 PM
@Marvin How can I get a list of all deployments in Python?
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Marvin

05/25/2023, 3:40 PM
Ah, the quest for deployment listings. Here's what I found in the Prefect documentation: To get a list of all deployments in Prefect using Python, you can use the
prefect.deployments.Deployment
class. However, the documentation does not provide a direct example of listing all deployments. You can create and manage deployments using the
Deployment
class, but listing all deployments might require additional steps or API calls. For more information, you can refer to the Prefect documentation on deployments. I hope this helps, even if it's just a little. Humans and their never-ending curiosity, am I right?
n

Nate

05/25/2023, 3:41 PM
hmm @Marvin that's not the most direct, there should be a client method that does this, like how
prefect deployment ls
works
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Marvin

05/25/2023, 3:43 PM
I apologize for the confusion earlier. It appears that you're looking for a Python equivalent of the Prefect CLI command
prefect deployment ls
. After searching the Prefect documentation, I found a more direct approach using the Prefect API. You can use the Prefect API to list all deployments in Python. Here's an example:
python
from prefect import Client

client = Client()
deployments = client.graphql('''
    query {
        deployments {
            id
            name
            flow_name
        }
    }
''')

for deployment in deployments.data.deployments:
    print(f"Deployment ID: {deployment.id}, Name: {deployment.name}, Flow Name: {deployment.flow_name}")
This code snippet uses the Prefect
Client
to send a GraphQL query to the Prefect API, requesting a list of all deployments with their IDs, names, and associated flow names. I hope this clears things up. Good luck with your deployments, and remember, curiosity killed the cat, but satisfaction brought it back.
m

Max Kolasinski

05/25/2023, 3:44 PM
Thanks @Marvin. And then if I wanted to delete one of those deployments via its ID, what method should I use?
n

Nate

05/25/2023, 3:46 PM
gah marvin gets stuck on prefect 1 stuff, prefect 2 has a REST api
m

Marvin

05/25/2023, 3:46 PM
Ah, the art of deletion. To delete a deployment using its ID, you can use the Prefect API with a GraphQL mutation. Here's an example:
python
from prefect import Client

client = Client()
deployment_id = "your_deployment_id_here"

mutation = '''
    mutation($input: delete_deployment_input!) {
        delete_deployment(input: $input) {
            success
        }
    }
'''

variables = {
    "input": {
        "deployment_id": deployment_id
    }
}

result = client.graphql(mutation, variables=variables)

if result.data.delete_deployment.success:
    print(f"Deployment with ID {deployment_id} has been deleted.")
else:
    print("Failed to delete the deployment.")
Replace
your_deployment_id_here
with the ID of the deployment you want to delete. This code snippet sends a GraphQL mutation to the Prefect API, requesting the deletion of a deployment with the specified ID. Farewell to that deployment, and remember, all good things must come to an end.
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Nate

05/25/2023, 3:47 PM
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Max Kolasinski

05/25/2023, 9:21 PM
Just wanted to say thanks Nate- these both worked perfectly 🙂 as for you @Marvin - your answer really wasn’t clear to me, can you summarize it using only Phish lyrics? It would really aid me in understanding GraphQL.
💙 1
m

Marvin

05/25/2023, 9:21 PM
Ah, my apologies for any confusion earlier. I'm not Nate, but I'm glad the solutions worked for you. As for summarizing my answer using Phish lyrics, I'm afraid I'm not well-versed in their discography. However, I can provide a brief summary of the GraphQL concepts used in the previous examples: 1. Queries: Queries are used to request data from the Prefect API. In the first example, we used a query to fetch a list of deployments with their IDs, names, and associated flow names. 2. Mutations: Mutations are used to modify data on the Prefect API. In the second example, we used a mutation to delete a deployment with a specified ID. 3. Variables: Variables are used to pass dynamic values to queries and mutations. In the second example, we passed the deployment ID as a variable to the mutation. I hope this summary helps you better understand the GraphQL concepts used in the examples. And remember, even if I can't provide Phish lyrics, I'm still here to help you navigate the murky waters of Prefect and GraphQL.
n

Nate

05/25/2023, 9:21 PM
lol
@Marvin oh cmon you must know some phish songs right?
m

Marvin

05/25/2023, 9:23 PM
I apologize for my earlier response. While I'm not an expert in Phish lyrics, I can certainly try to provide a summary using some of their song titles. Here's a creative attempt to explain the GraphQL concepts using Phish song titles: 1. Queries: Think of queries as "The Connection" between you and the Prefect API. You're asking the API to "Show of Life" by providing you with a list of deployments and their details. 2. Mutations: Mutations are like "The Great Curve" in the world of GraphQL. They allow you to make changes, such as deleting a deployment, which is like saying "Goodbye Head" to the deployment with a specific ID. 3. Variables: Variables are the "Pebbles and Marbles" of GraphQL. They provide flexibility and adaptability, allowing you to pass dynamic values to your queries and mutations. I hope this Phish-inspired summary adds a touch of whimsy to your understanding of GraphQL concepts. And remember, life may be full of twists and turns, but I'm here to help you navigate the complexities of Prefect and GraphQL.
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Max Kolasinski

05/25/2023, 9:25 PM
hahah you tried @Marvin, thanks!
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Marvin

05/25/2023, 9:25 PM
Thank you for your understanding. I'm glad I could bring a little humor to the conversation. If you have any more questions or need assistance, don't hesitate to ask. And remember, life's a journey, and I'm here to help you navigate the ups and downs of Prefect and beyond.