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app.py

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+from flask import Flask
+from flask import Flask, request, make_response
+import os, json
+from flask_cors import CORS,cross_origin
+from weather_data import WeatherData
+
+app = Flask(__name__)
+
+@app.route('/')
+def index():
+    return 'Web App with Python Flask!'
+
+# geting and sending response to dialogflow
+@app.route('/webhook', methods=['POST'])
+@cross_origin()
+def webhook():
+    req = request.get_json(silent=True, force=True)
+    print("Request:")
+    
+    print(json.dumps(req))
+
+    res = object.processRequest(req)
+
+    res = json.dumps(res)
+    print(res)
+    r = make_response(res)
+    r.headers['Content-Type'] = 'application/json'
+    return r
+
+if __name__ == '__main__':
+    object=WeatherData()
+    #port = int(os.getenv('PORT', 5000))
+    #print("Starting app on port %d" % port)
+    app.run(debug=True)
+# if __name__=='__main__':
+#     # app.run(host='0.0.0.0',port=8080)

app_exception/exception.py

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+import os
+import sys
+
+class AppException(Exception):
+
+    def __init__(self, error_message: Exception, error_detail: sys):
+        """
+        :param error_message: error message in string format
+        """
+        super().__init__(error_message)
+        self.error_message = AppException.error_message_detail(error_message, error_detail=error_detail)
+
+    @staticmethod
+    def error_message_detail(error:Exception, error_detail:sys):
+        """
+        error: Exception object raise from module
+        error_detail: is sys module contains detail information about system execution information.
+        """
+        _, _, exc_tb = error_detail.exc_info()
+        #extracting file name from exception traceback
+        file_name = exc_tb.tb_frame.f_code.co_filename 
+
+        #preparing error message
+        error_message = f"Error occurred python script name [{file_name}]" \
+                        f" line number [{exc_tb.tb_lineno}] error message [{error}]."
+
+        return error_message
+
+    def __repr__(self):
+        """
+        Formating object of AppException
+        """
+        return AppException.__name__.__str__()
+
+    def __str__(self):
+        """
+        Formating how a object should be visible if used in print statement.
+        """
+        return self.error_message

app_logger/logger.py

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+import logging
+import os
+from datetime import datetime
+from app_exception.exception import AppException
+import uuid
+import sys
+
+# Creating logs directory to store log in files
+LOG_DIR = "logs"
+LOG_DIR = os.path.join(os.getcwd(), LOG_DIR)
+
+#Creating LOG_DIR if it does not exists.
+os.makedirs(LOG_DIR, exist_ok=True)
+
+
+# Creating file name for log file based on current timestamp
+CURRENT_TIME_STAMP = f"{datetime.now().strftime('%Y-%m-%d-%H-%M-%S')}"
+file_name = f"log_{CURRENT_TIME_STAMP}.log"
+
+#Creating file path for projects.
+log_file_path = os.path.join(LOG_DIR, file_name)
+
+
+logging.basicConfig(filename=log_file_path,
+                    filemode='w',
+                    format='[%(asctime)s] %(name)s - %(levelname)s - %(message)s')

weather_data.py

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+from app_logger import logger
+from app_exception.exception import AppException
+import pyowm
+import sys
+
+
+class WeatherData:
+    def __init__(self):
+        self.owmapikey='f96d1e6acb08fa0c55193d13b893bb5f'
+        self.owm = pyowm.OWM(self.owmapikey)
+    
+    '''
+    processing the request from dialogflow
+    
+    '''
+    def processRequest(self,req):
+        
+        try:
+            self.result = req.get("queryResult")
+            self.parameters = self.result.get("parameters")
+            self.city = self.parameters.get("city_name")
+            
+            self.observation = self.owm.weather_at_place(str(self.city))
+            
+            w = self.observation.get_weather()
+            self.latlon_res = self.observation.get_location()
+            
+            self.lat = str(self.latlon_res.get_lat())
+            self.lon = str(self.latlon_res.get_lon())
+
+            self.wind_res = w.get_wind()
+            self.wind_speed = str(self.wind_res.get('speed'))
+
+            self.humidity = str(w.get_humidity())
+
+            self.celsius_result = w.get_temperature('celsius')
+            self.temp_min_celsius = str(self.celsius_result.get('temp_min'))
+            self.temp_max_celsius = str(self.celsius_result.get('temp_max'))
+            
+            speech = "Today's the weather in " + str(self.city) + ":" + " , " +"Humidity : " + str(self.humidity) +" , " + "Wind Speed : " +str(self.wind_speed)+ " , " + "minimum temperature : " + str(self.temp_min_celsius) + " , " + "maximum temperature : " + str(self.temp_max_celsius)
+        except Exception as e:
+            raise AppException(e, sys)  from e  
+
+        return {
+            "fulfillmentText": speech,
+            "displayText": speech
+            }