7747e4b24f
- batch HTTP URL fetching by 20 to reduce the number of unnecessary retries, - search for c-release-date directly.
48 lines
1.8 KiB
Python
48 lines
1.8 KiB
Python
import re
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import urllib.parse
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from itertools import islice
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from bs4 import BeautifulSoup
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from common import dates, http, releasedata
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"""Fetch Firefox versions with their dates from https://www.mozilla.org/.
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Versions lower than 10.0 are ignored because too difficult to parse."""
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# Will be replaced by itertools.batched in Python 3.12+.
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# See https://docs.python.org/3/library/itertools.html#itertools.batched.
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def batched(iterable: iter, n: int) -> iter:
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if n < 1:
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msg = 'n must be at least one'
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raise ValueError(msg)
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it = iter(iterable)
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while batch := tuple(islice(it, n)):
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yield batch
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product = releasedata.Product("firefox")
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releases_page = http.fetch_url("https://www.mozilla.org/en-US/firefox/releases/")
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releases_soup = BeautifulSoup(releases_page.text, features="html5lib")
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releases_list = releases_soup.find_all("ol", class_="c-release-list")
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release_notes_urls = [urllib.parse.urljoin(releases_page.url, p.get("href")) for p in releases_list[0].find_all("a")]
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for batch_release_notes_urls in batched(release_notes_urls, 20):
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for release_notes in http.fetch_urls(batch_release_notes_urls):
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version = release_notes.url.split("/")[-3]
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release_notes_soup = BeautifulSoup(release_notes.text, features="html5lib")
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date_elt = release_notes_soup.find(class_="c-release-date")
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if date_elt:
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date = dates.parse_date(date_elt.get_text())
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product.declare_version(version, date)
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continue
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date_elt = release_notes_soup.find("small", string=re.compile("^.?First offered"))
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if date_elt:
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date = dates.parse_date(' '.join(date_elt.get_text().split(" ")[-3:])) # get last 3 words
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product.declare_version(version, date)
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# versions < 10.0 are ignored
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product.write()
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