Hops/python calculation not working

Grasshopper Hops
,
1

Hi guys,

We have tried to connect a hops component with the python script. There is this error Message: KeyError: ‘{0}’
[INFO] Solving using legacy API: <HopsComponent /berechnung [Integer → Berechnung → Integer] >
{‘InnerTree’: {‘{0}’: [{‘data’: ‘74801’, ‘type’: ‘System.Int32’}]},
‘ParamName’: ‘Integer’}
[INFO] 127.0.0.1 - - [20/May/2024 23:52:28] “POST /solve HTTP/1.1” 200 -
[INFO] 127.0.0.1 - - [20/May/2024 23:52:35] “GET /berechnung HTTP/1.1” 200 -
[INFO] 127.0.0.1 - - [20/May/2024 23:52:35] “GET /berechnung HTTP/1.1” 200 -
[INFO] 127.0.0.1 - - [20/May/2024 23:53:05] “GET /berechnung HTTP/1.1” 200 -
[INFO] 127.0.0.1 - - [20/May/2024 23:53:05] “GET /berechnung HTTP/1.1” 200 -
[INFO] 127.0.0.1 - - [20/May/2024 23:55:50] “GET /berechnung HTTP/1.1” 200 -
[INFO] 127.0.0.1 - - [20/May/2024 23:55:50] “GET /berechnung HTTP/1.1” 200 -
grasshopper:

image
image1198×186 19.1 KB

Code:

from flask import Flask, request
import ghhops_server as hs

app = Flask(__name__)
hops = hs.Hops(app)


@hops.component(
    "/berechnung",
    name="Berechnung",
    nickname="Berechnung",
    description="Berechnung",
    inputs=[
        hs.HopsInteger("Integer", "Produktion", "Integer"),
    ],
    outputs=[
        hs.HopsString("String", "Eigenverbrauch", "String")
    ]
)
def berechnung(Produktion):
    print(f"Received Produktion: {Produktion}")
    if Produktion is None:
        return "No data"

    Eigenverbrauch = Produktion * 0.5
    print(f"Calculated Eigenverbrauch: {Eigenverbrauch}")
    return str(Eigenverbrauch)


if __name__ == "__main__":
    app.run(debug=True)

cheers marco

2

Try connecting the int param directly, not the text panel (to make sure it’s not getting a str).

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