fix covid_stats_via_xpath.py (#12975)

* fix covid_stats_via_xpath.py Improve error handling. * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * fix covid_stats_via_xpath.py typo * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * fix ruff * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * upgrade covid_stats_via_xpath.py * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Update and fix covid_stats_via_xpath.py --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: lighting9999

web_programming/covid_stats_via_xpath.py

@@ -1,7 +1,8 @@
 """
-This is to show simple COVID19 info fetching from worldometers archive 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)
+This script demonstrates fetching simple COVID-19 statistics from the
+Worldometers archive site using lxml. lxml is chosen over BeautifulSoup
+for its speed and convenience in Python web projects (such as Django or
+Flask).
 """
 
 # /// script
@@ -25,15 +26,34 @@ class CovidData(NamedTuple):
 
 
 defcovid_stats(
-url: str="https://web.archive.org/web/20250825095350/https://www.worldometers.info/coronavirus/",
+url: str= (
+"https://web.archive.org/web/20250825095350/"
+"https://www.worldometers.info/coronavirus/"
+ ),
 ) ->CovidData:
 xpath_str='//div[@class = "maincounter-number"]/span/text()'
-returnCovidData(
-*html.fromstring(httpx.get(url, timeout=10).content).xpath(xpath_str)
+try:
+response=httpx.get(url, timeout=10).raise_for_status()
+excepthttpx.TimeoutException:
+print(
+"Request timed out. Please check your network connection "
+"or try again later."
+ )
+returnCovidData("N/A", "N/A", "N/A")
+excepthttpx.HTTPStatusErrorase:
+print(f"HTTP error occurred: {e}")
+returnCovidData("N/A", "N/A", "N/A")
+data=html.fromstring(response.content).xpath(xpath_str)
+iflen(data) !=3:
+print("Unexpected data format. The page structure may have changed.")
+data="N/A", "N/A", "N/A"
+returnCovidData(*data)
+
+
+if__name__=="__main__":
+fmt= (
+"Total COVID-19 cases in the world:{}\n"
+"Total deaths due to COVID-19 in the world:{}\n"
+"Total COVID-19 patients recovered in the world:{}"
  )
-
-
-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()))
+print(fmt.format(*covid_stats()))