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106 lines
3.6 KiB
106 lines
3.6 KiB
# -*- coding: utf-8 -*-
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# Copyright 2021 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Extractors for https://bbc.co.uk/"""
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from .common import GalleryExtractor, Extractor, Message
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from .. import text, util
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import json
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BASE_PATTERN = r"(?:https?://)?(?:www\.)?bbc\.co\.uk(/programmes/"
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class BbcGalleryExtractor(GalleryExtractor):
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"""Extractor for a programme gallery on bbc.co.uk"""
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category = "bbc"
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root = "https://www.bbc.co.uk"
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directory_fmt = ("{category}", "{path[0]}", "{path[1]}", "{path[2]}",
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"{path[3:]:J - /}")
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filename_fmt = "{num:>02}.{extension}"
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archive_fmt = "{programme}_{num}"
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pattern = BASE_PATTERN + r"[^/?#]+(?!/galleries)(?:/[^/?#]+)?)$"
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test = (
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("https://www.bbc.co.uk/programmes/p084qtzs/p085g9kg", {
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"pattern": r"https://ichef\.bbci\.co\.uk"
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r"/images/ic/1920xn/\w+\.jpg",
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"count": 37,
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"keyword": {
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"programme": "p084qtzs",
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"path": ["BBC One", "Doctor Who", "The Timeless Children"],
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},
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}),
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("https://www.bbc.co.uk/programmes/p084qtzs"),
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)
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def metadata(self, page):
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data = json.loads(text.extr(
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page, '<script type="application/ld+json">', '</script>'))
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return {
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"programme": self.gallery_url.split("/")[4],
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"path": list(util.unique_sequence(
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element["name"]
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for element in data["itemListElement"]
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)),
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}
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def images(self, page):
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width = self.config("width")
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width = width - width % 16 if width else 1920
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dimensions = "/{}xn/".format(width)
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return [
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(src.replace("/320x180_b/", dimensions),
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{"_fallback": self._fallback_urls(src, width)})
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for src in text.extract_iter(page, 'data-image-src="', '"')
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]
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@staticmethod
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def _fallback_urls(src, max_width):
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front, _, back = src.partition("/320x180_b/")
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for width in (1920, 1600, 1280, 976):
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if width < max_width:
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yield "{}/{}xn/{}".format(front, width, back)
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class BbcProgrammeExtractor(Extractor):
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"""Extractor for all galleries of a bbc programme"""
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category = "bbc"
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subcategory = "programme"
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root = "https://www.bbc.co.uk"
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pattern = BASE_PATTERN + r"[^/?#]+/galleries)(?:/?\?page=(\d+))?"
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test = (
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("https://www.bbc.co.uk/programmes/b006q2x0/galleries", {
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"pattern": BbcGalleryExtractor.pattern,
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"range": "1-50",
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"count": ">= 50",
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}),
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("https://www.bbc.co.uk/programmes/b006q2x0/galleries?page=40", {
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"pattern": BbcGalleryExtractor.pattern,
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"count": ">= 100",
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}),
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)
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def __init__(self, match):
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Extractor.__init__(self, match)
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self.path, self.page = match.groups()
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def items(self):
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data = {"_extractor": BbcGalleryExtractor}
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params = {"page": text.parse_int(self.page, 1)}
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galleries_url = self.root + self.path
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while True:
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page = self.request(galleries_url, params=params).text
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for programme_id in text.extract_iter(
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page, '<a href="https://www.bbc.co.uk/programmes/', '"'):
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url = "https://www.bbc.co.uk/programmes/" + programme_id
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yield Message.Queue, url, data
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if 'rel="next"' not in page:
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return
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params["page"] += 1
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