import re
from bs4 import BeautifulSoup, element
import pandas as pd
from cowidev.utils.web import get_soup
from cowidev.utils.clean import clean_count, clean_date
from cowidev.testing.utils.incremental import increment
[docs]class Iran:
location = "Iran"
units = "tests performed"
source_label = "Ministry of Health and Medical Education"
notes = ""
_base_url = "https://irangov.ir"
_url_subdirectory = "ministry-of-health-and-medical-education"
_num_max_pages = 3
regex = {
"title": r"Health Ministry's Updates on COVID-19",
"date": r"(\d+\-\d+\-\d+)",
"count": r"(\d+) COVID-19 tests have been taken across the country so far",
}
[docs] def read(self) -> pd.Series:
data = []
for cnt in range(1, self._num_max_pages + 1):
url = f"{self._base_url}/{self._url_subdirectory}/{cnt}"
soup = get_soup(url, verify=False)
data, proceed = self._parse_data(soup)
if not proceed:
break
return pd.Series(data)
[docs] def _parse_data(self, soup: BeautifulSoup) -> tuple:
"""Get data from the source page."""
# Get relevant element
elem = self._get_relevant_element(soup)
if not elem:
return None, True
# Extract url and date from element
url, date = self._get_link_and_date_from_element(elem)
# Extract text from url
text = self._get_text_from_url(url)
count = self._parse_metrics(text)
record = {
"source_url": url,
"date": date,
"count": count,
}
return record, False
[docs] def _get_relevant_element(self, soup: BeautifulSoup) -> element.Tag:
"""Get the relevant element in news feed."""
news_list = soup.find_all("h3")
url_idx = [i for i, news in enumerate(news_list) if re.search(self.regex["title"], news.text)]
if not url_idx:
return None
return news_list[url_idx[0]]
[docs] def _get_text_from_url(self, url: str) -> str:
"""Extract text from the url."""
soup = get_soup(url, verify=False)
text = (
soup.find("div", class_="content_detail_body").get_text(strip=True).replace("\xa0", " ").replace(",", "")
)
return text
[docs] def _get_link_and_date_from_element(self, elem: element.Tag) -> tuple:
"""Extract link and date from relevant element."""
link = self._parse_link_from_element(elem)
if not link:
return None
date = self._parse_date_from_element(elem)
return link, date
[docs] def _parse_date_from_element(self, elem: element.Tag) -> str:
"""Get date from relevant element."""
date_tag = elem.findPreviousSibling("div").find("span")
date = re.search(self.regex["date"], date_tag.text).group()
return clean_date(date, "%Y-%m-%d")
[docs] def _parse_link_from_element(self, elem: element.Tag) -> str:
"""Get link from relevant element."""
href = elem.findParent("a")["href"]
link = f"{self._base_url}{href}"
return link
[docs] def _parse_metrics(self, text: str) -> int:
"""Get metrics from news text."""
count = int(re.search(self.regex["count"], text).group(1))
return clean_count(count)
[docs] def export(self):
data = self.read()
increment(
sheet_name=self.location,
country=self.location,
units=self.units,
date=data["date"],
source_url=data["source_url"],
source_label=self.source_label,
count=data["count"],
)
[docs]def main():
Iran().export()