app.py

# -*- coding: utf-8 -*-
"""
Created on Fri Jun  9 09:12:15 2023

@author: mritchey
"""
import gradio as gr
from joblib import Parallel, delayed
import pandas as pd
import rioxarray
import xarray as xr
import numpy as np
from tqdm import tqdm

def get_rtma_data(date_time,var='GUST'):
    dt=date_time.strftime('%Y%m%d%H%M')
    date=dt[:8]
    year,month,day,time=dt[:4],dt[4:6],dt[6:8],dt[8:]
    url=f'https://mtarchive.geol.iastate.edu/{year}/{month}/{day}/grib2/ncep/RTMA/{date}{time}_{var}.grib2'
    try:
        ds_values = xr.open_rasterio(url).values
    except:
        ds_values=url
    return ds_values


def get_rtma_values(date,time,days_head,variable):
    start_date=pd.to_datetime(date+time)
    end_date = start_date + pd.DateOffset(days=int(days_head))
    hourly_range = pd.date_range(start=start_date, end=end_date, freq='H')

    mat=Parallel(n_jobs=16)(delayed(get_rtma_data)(date_time,variable) for date_time in tqdm(hourly_range[:2]))
    mat = [x for x in mat if isinstance(x, np.ndarray)]

    mat_max=np.max(mat,axis=0)
    mat_min=np.min(mat,axis=0)
    mat_mean=np.mean(mat,axis=0)
    mat_std=np.std(mat,axis=0)
    
    return [mat_max,mat_min,mat_mean,mat_std]
    # return [mat_max,mat_min]

    

with gr.Blocks(show_api=True) as demo:
    date = gr.Textbox(label="Date",placeholder='20220927')
    time = gr.Textbox(label="Time",placeholder='1200')
    days_head = gr.Textbox(label="Days Ahead" ,placeholder=1)
    variable = gr.Textbox(label="Variable",placeholder='GUST')
    greet_btn = gr.Button("Get Matrix")
    output = gr.Numpy(label="Max")
    greet_btn.click(fn=get_rtma_values, 
                    inputs=[date, time, days_head, variable], 
                    outputs=output,
                    api_name="rtma range")



demo.launch()

# date='20220927'
# time='1200'
# days_head=1
# variable='GUST'
# get_rtma_values(date,time,days_head,variable)