Hi everyone How can I create a variable

Question

Hi everyone How can I create a variable <https docs prefect io latest concepts variables |this> one using python package prefect 2 10 10

flapili · Answer

you probably can use client

flapili · Answer

`from prefect import get client`

flapili · Answer

IIRC

Giacomo Chiarella · Answer

ah right totally forgot thanks

Giacomo Chiarella · Answer

< flapili> unfortunately there is no api to create a variable using the client

Giacomo Chiarella · Answer

there are only read methods

flapili · Answer

then grab httpx session from client and do a http requests

flapili · Answer

it s a little ugly but it should work

Giacomo Chiarella · Answer

never done that do you have a snippet of code as example

flapili · Answer

flapili · Answer

instead client will come from an attribut of the prefect client

Giacomo Chiarella · Answer

should I use async from inside a task

flapili · Answer

probably

flapili · Answer

I believe prefect client use a httpx async session

flapili · Answer

aren t you sure you won t need block instead

flapili · Answer

variable is for var templating of projects primary if I understood correctly

Giacomo Chiarella · Answer

yes I just want to save a flow parameter like start date to be able to make the flow extracting data from the value stores in the variable

Giacomo Chiarella · Answer

or maybe a json with a couple of parameters

flapili · Answer

then use a json block

Giacomo Chiarella · Answer

lol I didn t know the existence of that maybe that is better

Giacomo Chiarella · Answer

the conversion would be free

Giacomo Chiarella · Answer

then what are variables for

flapili · Answer

to me but I maybe missunderstood it s usefull to bootstrap prefets s projects

Giacomo Chiarella · Answer

generally speaking then I would use variable to save global configuration I mean a parameter that should have the same value for every flow