prüfe den code dieser anwendung und korrigiere alle fehler und verbessere den code dort wo es am meissten verbesserungspotential gibt.

Kurze Beschreibung der Anwendung:



Skript:


import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget, QMenu, QSlider, QLabel, QHBoxLayout
from PyQt5.QtWebEngineWidgets import QWebEngineView
from PyQt5.QtCore import Qt, QPoint
import folium
import datetime
import requests
import os

# API Keys (replace with your own keys)
GOOGLE_NEWS_API_KEY = os.getenv('GOOGLE_NEWS_API_KEY')
GOOGLE_PLACES_API_KEY = os.getenv('GOOGLE_PLACES_API_KEY')
NEWS_API_KEY = os.getenv('NEWS_API_KEY')
EVENTFUL_API_KEY = os.getenv('EVENTFUL_API_KEY')
OPENWEATHERMAP_API_KEY = os.getenv('OPENWEATHERMAP_API_KEY')

def fetch_news(query, from_date, to_date):
    """
    Fetch the latest news articles for the given query and date range using the NewsAPI.
    
    Args:
        query (str): The search query for the news articles.
        from_date (str): The start date for the news articles in YYYY-MM-DD format.
        to_date (str): The end date for the news articles in YYYY-MM-DD format.
    
    Returns:
        list: A list of news articles.
    """
    url = f'https://newsapi.org/v2/everything?q={query}&from={from_date}&to={to_date}&apiKey={NEWS_API_KEY}'
    try:
        response = requests.get(url)
        response.raise_for_status()
        articles = response.json().get('articles', [])
        return articles
    except requests.exceptions.RequestException as e:
        print(f"Error fetching news: {e}")
        return []

def fetch_events(location, date_range):
    """
    Fetch the latest events for the given location and date range using the Eventful API.
    
    Args:
        location (str): The location for the events.
        date_range (str): The date range for the events.
    
    Returns:
        list: A list of events.
    """
    url = f'http://api.eventful.com/json/events/search?location={location}&date={date_range}&app_key={EVENTFUL_API_KEY}'
    try:
        response = requests.get(url)
        response.raise_for_status()
        events = response.json().get('events', {}).get('event', [])
        return events
    except requests.exceptions.RequestException as e:
        print(f"Error fetching events: {e}")
        return []

def fetch_weather(location):
    """
    Fetch the current weather information for the given location using the OpenWeatherMap API.
    
    Args:
        location (str): The location for the weather information.
    
    Returns:
        dict: A dictionary containing the weather information.
    """
    url = f'http://api.openweathermap.org/data/2.5/weather?q={location}&appid={OPENWEATHERMAP_API_KEY}'
    try:
        response = requests.get(url)
        response.raise_for_status()
        weather = response.json()
        return weather
    except requests.exceptions.RequestException as e:
        print(f"Error fetching weather: {e}")
        return {}

def search_events(lat, lon, radius):
    try:
        """
        Dummy implementation for searching events based on coordinates and radius.
        
        Args:
            lat (float): Latitude of the location.
            lon (float): Longitude of the location.
            radius (int): Radius in meters to search for events.
        
        Returns:
            list: A list of events with acceptable accuracy.
        """
        print(f'Searching for events within {radius} meters of ({lat}, {lon})')
        # Example events with accuracy information
        events = [
            {'title': 'Event 1', 'description': 'Description 1', 'lat': lat + 0.001, 'lon': lon + 0.001, 'accuracy': 50},
            {'title': 'Event 2', 'description': 'Description 2', 'lat': lat - 0.001, 'lon': lon - 0.001, 'accuracy': 100},
            {'title': 'Event 3', 'description': 'Description 3', 'lat': lat + 0.002, 'lon': lon + 0.002, 'accuracy': 200}
        ]
        # Filter events based on acceptable accuracy
        acceptable_accuracy = 100  # Define an acceptable accuracy threshold
        filtered_events = [event for event in events if event['accuracy'] <= acceptable_accuracy]
        return filtered_events
    except Exception as e:
        print(f"Error searching events: {e}")
        return []

def fetch_mediastack_news(query):
    url = f'http://api.mediastack.com/v1/news?access_key=your_mediastack_api_key&keywords={query}'
    response = requests.get(url)
    articles = response.json().get('data', [])
    return articles

def fetch_newscatcher_news(query):
    url = f'https://api.newscatcherapi.com/v2/search?q={query}&lang=en&sort_by=date'
    headers = {'x-api-key': 'your_newscatcher_api_key'}
    response = requests.get(url, headers=headers)
    articles = response.json().get('articles', [])
    return articles

def fetch_webhose_news(query):
    url = f'https://webhose.io/filterWebContent?token=your_webhose_api_key&format=json&q={query}'
    response = requests.get(url)
    articles = response.json().get('posts', [])
    return articles

class MapWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle('WhatsHappening')
        self.setGeometry(100, 100, 800, 600)
        
        layout = QVBoxLayout()
        
        self.map_view = QWebEngineView()
        layout.addWidget(self.map_view)
        
        self.time_span_label = QLabel('Time Span (months): 6')
        layout.addWidget(self.time_span_label)
        
        self.time_span_slider = QSlider(Qt.Horizontal)
        self.time_span_slider.setToolTip('Adjust the time span for event search')
        self.time_span_slider.setMinimum(1)
        self.time_span_slider.setMaximum(12)
        self.time_span_slider.setValue(6)
        self.time_span_slider.valueChanged.connect(self.update_time_span_label)
        
        slider_layout = QHBoxLayout()
        slider_layout.addWidget(self.time_span_label)
        slider_layout.addWidget(self.time_span_slider)
        
        layout.addLayout(slider_layout)
        
        container = QWidget()
        container.setLayout(layout)
        self.setCentralWidget(container)
        
        self.map_view.setContextMenuPolicy(Qt.CustomContextMenu)
        self.map_view.customContextMenuRequested.connect(self.show_context_menu)
        
    def update_time_span_label(self, value):
        self.time_span_label.setText(f'Time Span (months): {value}')
        
    def show_context_menu(self, point):
        context_menu = QMenu(self)
        search_district_action = context_menu.addAction('Search by District')
        search_city_action = context_menu.addAction('Search by City Area')
        search_nearby_action = context_menu.addAction('Search Nearby')
        
        action = context_menu.exec_(self.map_view.mapToGlobal(point))
        
        if action == search_district_action:
            self.search_events('district')
        elif action == search_city_action:
            self.search_events('city')
        elif action == search_nearby_action:
            self.search_events('nearby')
            
    def search_events(self, search_type):
        # Implement search functionality based on search_type
        print(f'Searching events by {search_type}')
        time_span = self.time_span_slider.value()
        print(f'Searching events within the last {time_span} months')
        
        # Example: Fetch events within the specified time span
        events = search_events(search_type, time_span)
        
        # Update the map with the fetched events
        self.update_map_with_events(events)
        
        # Draw boundaries on the map
        if search_type == 'district':
            self.update_map_with_boundaries('district')
        elif search_type == 'city':
            self.update_map_with_boundaries('city')
        elif search_type == 'nearby':
            self.update_map_with_boundaries('nearby')
            
    def update_map_with_boundaries(self, boundary_type):
        # Implement the logic to update the map with boundaries
        print(f'Updating map with {boundary_type} boundaries')
        # Example: Draw boundaries on the map
        folium_map = folium.Map(location=[48.8566, 2.3522], zoom_start=13)
        
        if boundary_type == 'district':
            # Draw district boundaries
            folium.Polygon(
                locations=[(48.8566, 2.3522), (48.8576, 2.3532), (48.8586, 2.3542)],
                color='blue',
                weight=2,
                fill=True,
                fill_color='blue',
                fill_opacity=0.1
            ).add_to(folium_map)
        elif boundary_type == 'city':
            # Draw city boundaries
            folium.Polygon(
                locations=[(48.8566, 2.3522), (48.8666, 2.3622), (48.8766, 2.3722)],
                color='green',
                weight=2,
                fill=True,
                fill_color='green',
                fill_opacity=0.1
            ).add_to(folium_map)
        elif boundary_type == 'nearby':
            # Draw nearby boundaries
            folium.Polygon(
                locations=[(48.8566, 2.3522), (48.8576, 2.3532), (48.8586, 2.3542)],
                color='red',
                weight=2,
                fill=True,
                fill_color='red',
                fill_opacity=0.1
            ).add_to(folium_map)
        
        data = folium_map._repr_html_()
        self.map_view.setHtml(data)
        
    def update_map(self, lat, lon, radius):
        folium_map = folium.Map(location=[lat, lon], zoom_start=13)
        events = search_events(lat, lon, radius)
        
        for event in events:
            folium.Marker(
                location=[event['lat'], event['lon']],
                popup=f"<b>{event['title']}</b><br>{event['description']}",
                icon=folium.Icon(color='red')
            ).add_to(folium_map)
        
        data = folium_map._repr_html_()
        self.map_view.setHtml(data)
        
if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = MapWindow()
    window.show()
    sys.exit(app.exec_())