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from flask import Flask, render_template, request, jsonify
import requests
from bs4 import BeautifulSoup
app = Flask(__name__)
# Internal mapping of crops to pests (for the form)
CROP_TO_PESTS = {
"Sorgum": ["FallArmyWorm"],
"Maize": ["FallArmyWorm"],
"Rice": ["Blast", "GallMidge", "YSB", "PlantHopper", "BlueBeetle", "BacterialLeafBlight"],
"Cotton": ["Thrips", "Whitefly", "PinkBollworm", "Jassid", "BollRot", "AmericanBollworm"],
"Soybean": ["Girdlebeetle", "H.armigera", "Semilooper", "Spodoptera", "StemFLy"],
"Tur": ["Wilt", "Webbed_Leaves", "Pod_damage"],
"Sugarcane": ["FallArmyGrub", "WhiteGrub"],
"Gram": ["H.armigera", "Wilt"]
}
# Fixed year options for the form
YEARS = ["2024-25", "2023-24", "2022-23", "2021-22"]
# Map our internal crop names to the external page's crop values.
CROP_MAPPING = {
"Cotton": "1",
"Gram": "4",
"Maize": "7",
"Rice": "3",
"Sorghum": "6",
"Soybean": "2",
"Sugarcane": "8",
"Tur": "5",
"Sorgum": "6" # Adjust if needed
}
# Map our internal pest names to external page values per crop.
PEST_MAPPING = {
"Cotton": {
"FallArmyWorm": "71"
},
"Gram": {
"H.armigera": "72",
"Wilt": "73"
},
"Maize": {
"FallArmyWorm": "74"
},
"Rice": {
"Blast": "75",
"GallMidge": "76",
"YSB": "77",
"PlantHopper": "78",
"BlueBeetle": "79",
"BacterialLeafBlight": "80"
},
"Soybean": {
"Girdlebeetle": "81",
"H.armigera": "82",
"Semilooper": "83",
"Spodoptera": "84",
"StemFLy": "85"
},
"Tur": {
"Wilt": "86",
"Webbed_Leaves": "87",
"Pod_damage": "88"
},
"Sugarcane": {
"FallArmyGrub": "89",
"WhiteGrub": "90"
},
"Sorgum": {
"FallArmyWorm": "91"
}
}
# Parameter codes and labels for the final image URL
PARAMS = {
"Mint": "Min Temperature",
"Maxt": "Max Temperature",
"RH": "Relative Humidity",
"RF": "Rainfall",
"PR": "Pest Report"
}
@app.route('/')
def index():
# Read query parameters (if provided)
crop = request.args.get('crop', '')
pest = request.args.get('pest', '')
year = request.args.get('year', '')
week = request.args.get('week', '')
param = request.args.get('param', '')
image_url = ""
if crop and pest and year and week and param:
# Build image URL using the pattern:
# http://www.icar-crida.res.in:8080/naip/gisimages/{CROP}/{YEAR}/{PEST}_{PARAM}{WEEK}.jpg
base_url = f"http://www.icar-crida.res.in:8080/naip/gisimages/{crop}/{year}/{pest}_"
image_url = f"{base_url}{param}{week}.jpg"
return render_template('index.html',
crops=list(CROP_TO_PESTS.keys()),
crop_to_pests=CROP_TO_PESTS,
years=YEARS,
params=PARAMS,
selected_crop=crop,
selected_pest=pest,
selected_year=year,
selected_week=week,
selected_param=param,
image_url=image_url)
@app.route('/fetch_weeks')
def fetch_weeks():
"""
Dynamically fetch available week options by sending a GET request
with the selected crop, pest, and year to the external JSP page.
"""
crop = request.args.get('crop', '')
pest = request.args.get('pest', '')
year = request.args.get('year', '')
# Use our mappings to get external values
ext_crop = CROP_MAPPING.get(crop, '')
ext_pest = ""
if crop in PEST_MAPPING and pest in PEST_MAPPING[crop]:
ext_pest = PEST_MAPPING[crop][pest]
# Build query parameters as expected by the external page
payload = {
"country": ext_crop, # external crop value
"city": ext_pest, # external pest value
"sowing": year # year remains the same
}
weeks = []
try:
# Use GET request with parameters
response = requests.get("http://www.icar-crida.res.in:8080/naip/gismaps.jsp", params=payload, timeout=10)
soup = BeautifulSoup(response.text, 'html.parser')
week_options = soup.select('select[name="week"] option')
# Filter out default options (e.g., those containing "Select")
weeks = [opt.get('value') for opt in week_options if opt.get('value') and "Select" not in opt.get('value')]
if not weeks:
weeks = [str(i) for i in range(1, 53)]
except Exception as e:
weeks = [str(i) for i in range(1, 53)]
return jsonify({"weeks": weeks})
if __name__ == '__main__':
app.run(debug=True)
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