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lxmlCovidDataFetch #2416

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merged 4 commits into from
Sep 11, 2020
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lxmlCovidDataFetch #2416

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9d6293f
lxmlCovidDataFetch
santoshrajkumar Sep 11, 2020
25239cc
lxmlCovidDataFetch1
santoshrajkumar Sep 11, 2020
0fe0681
Update worldometers_covid_with_lxml.py
cclauss Sep 11, 2020
fc69313
Rename worldometers_covid_with_lxml.py to covid_stats_via_xpath.py
cclauss Sep 11, 2020
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23 changes: 23 additions & 0 deletions web_programming/covid_stats_via_xpath.py
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"""
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)
"""

from collections import namedtuple

import requests
from lxml import html

covid_data = namedtuple("covid_data", "cases deaths recovered")


def covid_stats(url: str = "https://www.worldometers.info/coronavirus/") -> covid_data:
xpath_str = '//div[@class = "maincounter-number"]/span/text()'
return covid_data(*html.fromstring(requests.get(url).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()))