Add weather-app.py script to fetch current temperature using OpenWeatherMap API #2
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""" WalkthroughA new Python script, Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant Script
participant OpenWeatherMapAPI
User->>Script: Run script
Script->>Script: Retrieve API key from environment
Script->>User: Prompt for city name
User->>Script: Enter city name
Script->>OpenWeatherMapAPI: Request weather data (city, API key)
OpenWeatherMapAPI-->>Script: Respond with JSON (temperature)
Script->>Script: Parse and extract temperature
Script->>User: Display temperature or error message
Poem
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Docstrings generation was requested by @omar-coderabbitai. * #2 (comment) The following files were modified: * `weather-app.py`
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Note Generated docstrings for this pull request at #3 |
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Actionable comments posted: 1
🧹 Nitpick comments (5)
weather-app.py (5)
1-1: Add type hints imports for better type safety.Consider adding type annotations to improve code maintainability and IDE support.
import requests +from typing import Optional
3-3: Add type hints to function signature.The function signature lacks type hints which reduces code clarity and IDE support.
-def get_temperature(city_name, api_key): +def get_temperature(city_name: str, api_key: str) -> Optional[float]:
45-46: Consider more specific JSON exception handling.While
ValueErrorcatchesJSONDecodeError, being more specific improves code clarity.+ except requests.exceptions.JSONDecodeError: + print("Error: Failed to parse JSON response.") except ValueError: - print("Error: Failed to parse JSON response.") + print("Error: Invalid data format received.")
50-56: Consider moving import to top of file.While importing
osinside the function works, it's more conventional to place imports at the top of the file.import requests +import os from typing import Optional def get_temperature(city_name: str, api_key: str) -> Optional[float]: # ... existing code ... def main(): - import os api_key = os.getenv('OPENWEATHER_API_KEY')
1-70: Consider adding dependency management and enhanced validation.The application would benefit from:
- Dependency management: Add a
requirements.txtfile- Enhanced input validation: Consider validating city name format
- Configuration management: Consider using a config file for API settings
Would you like me to generate a
requirements.txtfile and enhanced input validation logic?
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weather-app.py(1 hunks)
🔇 Additional comments (5)
weather-app.py (5)
16-18: LGTM! Good API key validation.Proper validation of the API key parameter with appropriate error handling.
27-29: LGTM! Good HTTP request practices.The request includes proper timeout and uses
raise_for_status()for error handling.
57-61: LGTM! Good user input validation.Proper input validation with
.strip()and empty string check provides good user experience.
62-67: LGTM! Clear output formatting and error handling.The temperature formatting and error messaging provide clear feedback to users.
68-69: LGTM! Standard Python main execution pattern.Correctly implements the standard Python idiom for script execution.
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