covid_stats_via_xpath.py

"""
This is to show simple COVID19 info fetching from worldometers site using lxml
* The main motivation to use lxml in place of bs4 is that it is faster and therefore
more convenient to use in Python web projects (e.g. Django or Flask-based)
"""

fromtypingimportNamedTuple

importrequests
fromlxmlimporthtml


classCovidData(NamedTuple):
cases: int
deaths: int
recovered: int


defcovid_stats(url: str="https://www.worldometers.info/coronavirus/") ->CovidData:
xpath_str='//div[@class = "maincounter-number"]/span/text()'
returnCovidData(
*html.fromstring(requests.get(url, timeout=10).content).xpath(xpath_str)
 )


fmt="""Total COVID-19 cases in the world: {}
Total deaths due to COVID-19 in the world: {}
Total COVID-19 patients recovered in the world: {}"""
print(fmt.format(*covid_stats()))