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import gradio as gr
from utils import duckdb_queries as dq
from utils.gradio import get_window_url_params
from utils.indicators import IndexGenerator
# Instantiate outside gradio app to avoid re-initializing GEE, which is slow
indexgenerator = IndexGenerator(indices=["NDWI", "Water", "Protected", "Habitat"])
with gr.Blocks() as demo:
with gr.Column():
m1 = gr.Plot()
with gr.Row():
project_name = gr.Dropdown([], label="Project", value="Select project")
start_year = gr.Number(value=2017, label="Start Year", precision=0)
end_year = gr.Number(value=2022, label="End Year", precision=0)
with gr.Row():
view_btn = gr.Button(value="Show project map")
calc_btn = gr.Button(value="Calculate!")
# save_btn = gr.Button(value="Save")
results_df = gr.Dataframe(
headers=["Year", "Project Name", "Score"],
datatype=["number", "str", "number"],
label="Biodiversity scores by year",
row_count=0,
)
calc_btn.click(
indexgenerator.calculate_biodiversity_score,
inputs=[start_year, end_year],
outputs=results_df,
)
view_btn.click(
fn=indexgenerator.show_project_map,
outputs=[m1],
)
def update_project_dropdown_list(url_params):
username = url_params.get("username", "default")
projects = dq.list_projects_by_author(author_id=username)
# Initialize the first project in the list
project_names = projects['name'].tolist()
return gr.Dropdown.update(choices=project_names)
# Change the project name in the index generator object when the
# user selects a new project
project_name.change(
indexgenerator.set_project,
inputs=project_name
)
# Get url params
url_params = gr.JSON({"username": "default"}, visible=False, label="URL Params")
# Gradio has a bug
# For dropdown to update by demo.load, dropdown value must be called downstream
b1 = gr.Button("Hidden button that fixes bug.", visible=False)
b1.click(lambda x: x, inputs=project_name, outputs=[])
# Update project dropdown list on page load
demo.load(
fn=update_project_dropdown_list,
inputs=[url_params],
outputs=[project_name],
_js=get_window_url_params,
queue=False,
)
demo.launch()
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