Python天氣語音播報小助手

pip install -i https://pypi.douban.com/simple/ requests 
 
pip install -i https://pypi.douban.com/simple/ opencv-python

def get_weather():
    url = 'http://www.weather.com.cn/weather/101290101.shtml'
    response = requests.get(url)
    response.encoding = 'utf-8'
    response = response.text  # 獲取頁面
    html = etree.HTML(response)
    day_weather = '天氣狀況：' + html.xpath('//*[@id="7d"]/ul/li[1]/p[1]/text()')[0] + '\n'  # 獲取天氣，白天的天氣
    high = html.xpath('//*[@id="7d"]/ul/li[1]/p[2]/span/text()')
    low = html.xpath('//*[@id="7d"]/ul/li[1]/p[2]/i/text()')  # 獲取對應的兩個溫度
    # 因為頁面在晚上會有小變化，所以使用條件語句，來排除因變化引起的bug
    if high == []:
        day_temperature = '室外溫度：' + low[0] + '\n'
    else:
        day_temperature = '室外溫度：' + low[0].replace('℃', '') + '~' + high[0] + '℃\n'  # 獲取溫度
    # 獲取兩個風向
    wind_1 = html.xpath('//*[@id="7d"]/ul/li[1]/p[3]/em/span[1]/@title')
    wind_2 = html.xpath('//*[@id="7d"]/ul/li[1]/p[3]/em/span[2]/@title')
    # 因為有時候，會出現兩個風向是同一個風向的情況，所以使用條件語句排除
    if wind_2 == []:
        wind = wind_1[0] + '\n'
    elif wind_1[0] == wind_2[0]:
        wind = wind_1[0] + '\n'
    else:
        wind = wind_1[0] + '轉' + wind_2[0] + '\n'
    # 因為風級有時候會出現“<"，語音的時候會認為是愛心符號，所以使用替換，改為文字”低於“
    wind_3 = html.xpath('//*[@id="7d"]/ul/li[1]/p[3]/i/text()')[0].replace('<', '低於').replace('>', '高於')
    day_wind = '風向情況：' + wind + wind_3 + '\n'  # 獲取風向及風級
    return day_weather, day_temperature, day_wind

def get_time():
    a = datetime.datetime.now()  # 實施時間
    y = str(a.year)
    m = str(a.month)
    d = str(a.day)  # 轉換為字符串，便於打印
    time = y + '年' + m + '月' + d + '日' + '\n'
    b = datetime.datetime(2021, 6, 7)  # 自己設置的高考時間
    count_down = (b - a).days  # 高考倒計時
    return time, count_down

def get_content():
    url = 'http://open.iciba.com/dsapi/'  # 網上找的API
    response = requests.get(url=url)
    json_s = json.loads(response.text)
    jitang = json_s.get("content") + '\n'  # 每日雞湯
    translation = json_s.get("note") + '\n'  # 中文翻譯
    image_url = json_s.get("fenxiang_img")  # 圖片鏈接
    return jitang, translation, image_url

def main():
    time, count_down = get_time()
    day_weather, day_temperature, day_wind = get_weather()
    jitang, translation, image_url = get_content()
    count_down = '距離高考還有{}天，你準備好瞭嗎？'.format(count_down) + '\n'
    a = '下面為您播報今日天氣狀況\n'
    b = '每日一句\n'
    time = '今天是' + time
    weather = day_weather + day_temperature + day_wind
    content = jitang + translation
    text = time + count_down + a + weather + b + content  # 語音內容
    voice = pyttsx3.init()  # 初始化
    # rate = voice.getProperty('rate')
    voice.setProperty('rate', 150)  # 語速，范圍在0-200之間
    voice.setProperty('volume', 1.0)  # 范圍在0.0-1.0之間
    voice.say(text)  # 語音內容
    voice.runAndWait()
    cap = cv2.VideoCapture(image_url)  # 展示圖片
    if(cap.isOpened()):
        ret, img = cap.read()
        my_image = cv2.resize(img, dsize=None, fx=0.5, fy=0.5)
        cv2.imshow("You will succeed in the end", my_image)
        cv2.waitKey()
    print(time, weather, content)