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# -*- coding: utf-8 -*-
# Copyright 2021-2023 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
"""Extractors for https://bbc.co.uk/"""
from .common import GalleryExtractor, Extractor, Message
from .. import text, util
BASE_PATTERN = r"(?:https?://)?(?:www\.)?bbc\.co\.uk(/programmes/"
class BbcGalleryExtractor(GalleryExtractor):
"""Extractor for a programme gallery on bbc.co.uk"""
category = "bbc"
root = "https://www.bbc.co.uk"
directory_fmt = ("{category}", "{path[0]}", "{path[1]}", "{path[2]}",
"{path[3:]:J - /}")
filename_fmt = "{num:>02}.{extension}"
archive_fmt = "{programme}_{num}"
pattern = BASE_PATTERN + r"[^/?#]+(?!/galleries)(?:/[^/?#]+)?)$"
example = "https://www.bbc.co.uk/programmes/PATH"
def metadata(self, page):
data = self._extract_jsonld(page)
return {
"programme": self.gallery_url.split("/")[4],
"path": list(util.unique_sequence(
element["name"]
for element in data["itemListElement"]
)),
}
def images(self, page):
width = self.config("width")
width = width - width % 16 if width else 1920
dimensions = "/{}xn/".format(width)
return [
(src.replace("/320x180_b/", dimensions),
{"_fallback": self._fallback_urls(src, width)})
for src in text.extract_iter(page, 'data-image-src="', '"')
]
@staticmethod
def _fallback_urls(src, max_width):
front, _, back = src.partition("/320x180_b/")
for width in (1920, 1600, 1280, 976):
if width < max_width:
yield "{}/{}xn/{}".format(front, width, back)
class BbcProgrammeExtractor(Extractor):
"""Extractor for all galleries of a bbc programme"""
category = "bbc"
subcategory = "programme"
root = "https://www.bbc.co.uk"
pattern = BASE_PATTERN + r"[^/?#]+/galleries)(?:/?\?page=(\d+))?"
example = "https://www.bbc.co.uk/programmes/ID/galleries"
def __init__(self, match):
Extractor.__init__(self, match)
self.path, self.page = match.groups()
def items(self):
data = {"_extractor": BbcGalleryExtractor}
params = {"page": text.parse_int(self.page, 1)}
galleries_url = self.root + self.path
while True:
page = self.request(galleries_url, params=params).text
for programme_id in text.extract_iter(
page, '<a href="https://www.bbc.co.uk/programmes/', '"'):
url = "https://www.bbc.co.uk/programmes/" + programme_id
yield Message.Queue, url, data
if 'rel="next"' not in page:
return
params["page"] += 1
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