feat: user can choose to output temperature either in Celsius or Fahrenheit.

Author: yanliutafewa

projects/API Based Weather Report/API Based Weather Report.py

@@ -1,6 +1,6 @@
 import requests
 from datetime import datetime
-from Util_Functions import wind_degree_to_direction, unix_timestamp_to_localtime
+from Util_Functions import wind_degree_to_direction, unix_timestamp_to_localtime, convert_temperature
 
 
 # Function to fetch weather data from OpenWeatherMap API
@@ -25,7 +25,7 @@ def fetch_weather(api_key, location):
 
 
 # Function to write weather information to a text file
-def write_to_file(weather_data):
+def write_to_file(weather_data, temperature_unit):
     try:
         # Opening the file "weatherinfo.txt" in write mode
         with open("weatherinfo.txt", "w+") as f:
@@ -35,15 +35,16 @@ def write_to_file(weather_data):
             # Writing header information to the file
             if "name" in weather_data and "sys" in weather_data and "country" in weather_data["sys"]:
                 f.write("-------------------------------------------------------------\n")
-                f.write(f"Weather Stats for - {weather_data['name']} | {weather_data['sys']['country']} | {date_time}\n")
+                f.write(f"Weather Stats for - {weather_data['name']} | {weather_data['sys']['country']} "
+                        f"| {date_time}\n")
                 f.write("-------------------------------------------------------------\n")
 
             # Writing temperature information to the file
             if "main" in weather_data and "temp" in weather_data["main"]:
                 f.write(
-                    "\tCurrent temperature is : {:.2f} °C\n".format(
-                        weather_data["main"]["temp"] - 273.15
-                    )
+                    "\tCurrent temperature is : "
+                    + convert_temperature(weather_data["main"]["temp"], temperature_unit)
+                    + "\n"
                 )
 
             # Writing weather description information to the file
@@ -105,9 +106,14 @@ def main():
         "You can obtain your API key by signing up at https://home.openweathermap.org/users/sign_up"
     )
 
-    # Prompting the user to input API key and city name
+    # Prompting the user to input API key, city name, and
     api_key = input("Please enter your OpenWeatherMap API key: ")
     location = input("Enter the city name: ")
+    temperature_unit = input("Enter the temperature unit. 'C' for Celsius and 'F' for Fahrenheit: ")
+
+    if not (temperature_unit.upper() == "C" or temperature_unit.upper() == "F"):
+        print("Temperature unit must either be 'C' or be 'F'.")
+        return
 
     # Fetching weather data using the provided API key and location
     weather_data = fetch_weather(api_key, location)
@@ -123,15 +129,14 @@ def main():
             return
 
         # Writing weather information to file
-        write_to_file(weather_data)
+        write_to_file(weather_data, temperature_unit)
 
         # Printing weather information to console
         print("Current City          : " + weather_data['name'] + ', ' +
               weather_data['sys']['country'])
         print(
-            "Current temperature is: {:.2f} °C".format(
-                weather_data["main"]["temp"] - 273.15
-            )
+            "Current temperature is: "
+            + convert_temperature(weather_data["main"]["temp"], temperature_unit)
         )
         print("Current weather desc  : " + weather_data["weather"][0]["description"])
         print("Current Humidity      :", weather_data["main"]["humidity"], "%")

projects/API Based Weather Report/Util_Functions.py

@@ -12,7 +12,7 @@ def wind_degree_to_direction(str_wind_degree):
     try:
         wind_degree = int(str_wind_degree)
     except ValueError:
-        return "API Wind Degree data error!"
+        return "API Wind Degree data format error!"
 
     directions = [
         "N", "NNE", "NE", "ENE", "E", "ESE", "SE", "SSE",
@@ -34,12 +34,12 @@ def unix_timestamp_to_localtime(str_unix_timestamp, str_timezone_offset_seconds)
     try:
         unix_timestamp = int(str_unix_timestamp)
     except ValueError:
-        return "API sunset/sunrise data error!"
+        return "API sunset/sunrise data format error!"
 
     try:
         timezone_offset_seconds = int(str_timezone_offset_seconds)
     except ValueError:
-        return "API timezone data error!"
+        return "API timezone data format error!"
 
     # Convert Unix timestamp to UTC datetime
     utc_time = datetime.utcfromtimestamp(unix_timestamp)
@@ -48,3 +48,32 @@ def unix_timestamp_to_localtime(str_unix_timestamp, str_timezone_offset_seconds)
     local_time = utc_time + timedelta(seconds=timezone_offset_seconds)
 
     return local_time.strftime('%Y-%m-%d %H:%M:%S')
+
+
+def convert_temperature(str_temperature_kelvin, temperature_unit):
+    """
+    Convert temperature in Kelvin degree to Celsius degree or Fahrenheit degree based on second parameter .
+
+    :param str_temperature_kelvin: str, temperature in Kelvin degree (e.g., "291.19")
+    :param temperature_unit: str, "C" for Celsius, "F" for Fahrenheit
+    :return: temperature (e.g., "21.07 °C" or "67.12 °F")
+    """
+    # Convert strings to integers
+    try:
+        temperature_k = int(str_temperature_kelvin)
+    except ValueError:
+        return "API temperature data format error!"
+
+    # Validate temperature_unit
+    unit = str(temperature_unit).upper()
+    if not (unit == "C" or unit == "F"):
+        return "Temperature unit must either be 'C' or be 'F'!"
+
+    # Converting
+    if unit == 'C':
+        temperature_c = temperature_k - 273.15
+        return f"{temperature_c:.2f} °C"
+
+    if unit == 'F':
+        temperature_f = temperature_k * 9 / 5 - 459.67
+        return f"{temperature_f:.2f} °F"