calibre/recipes/scientific_american.recipe
Kovid Goyal 3ad4759cbf
pep8
2024-03-13 21:53:25 +05:30

113 lines
4.1 KiB
Python

#!/usr/bin/env python
__license__ = "GPL v3"
import json
from datetime import datetime
from urllib.parse import urljoin
from calibre.web.feeds.news import BasicNewsRecipe, prefixed_classes
class ScientificAmerican(BasicNewsRecipe):
title = "Scientific American"
description = "Popular Science. Monthly magazine. Should be downloaded around the middle of each month."
category = "science"
__author__ = "Kovid Goyal"
no_stylesheets = True
language = "en"
publisher = "Nature Publishing Group"
remove_empty_feeds = True
remove_javascript = True
timefmt = " [%B %Y]"
remove_attributes = ["height", "width"]
masthead_url = (
"https://static.scientificamerican.com/sciam/assets/Image/newsletter/salogo.png"
)
extra_css = """
[class^="article_dek-"] { font-style:italic; color:#202020; }
[class^="article_authors-"] {font-size:small; color:#202020; }
[class^="article__image-"] { font-size:small; text-align:center; }
[class^="lead_image-"] { font-size:small; text-align:center; }
[class^="bio-"] { font-size:small; color:#404040; }
em { color:#202020; }
"""
needs_subscription = "optional"
keep_only_tags = [
prefixed_classes(
'article_hed- article_dek- article_authors- lead_image- article__content- bio-'
),
]
remove_tags = [
dict(name=['button', 'svg', 'iframe', 'source'])
]
def preprocess_html(self, soup):
for fig in soup.findAll('figcaption'):
for p in fig.findAll('p'):
p.name = 'span'
return soup
def get_browser(self, *args):
br = BasicNewsRecipe.get_browser(self)
if self.username and self.password:
br.open("https://www.scientificamerican.com/account/login/")
br.select_form(predicate=lambda f: f.attrs.get("id") == "login")
br["emailAddress"] = self.username
br["password"] = self.password
br.submit()
return br
def parse_index(self):
# Get the cover, date and issue URL
fp_soup = self.index_to_soup("https://www.scientificamerican.com")
curr_issue_link = fp_soup.find(**prefixed_classes('latest_issue_links-'))
if not curr_issue_link:
self.abort_recipe_processing("Unable to find issue link")
issue_url = 'https://www.scientificamerican.com' + curr_issue_link.a["href"]
# for past editions https://www.scientificamerican.com/archive/issues/
# issue_url = 'https://www.scientificamerican.com/issue/sa/2024/01-01/'
soup = self.index_to_soup(issue_url)
script = soup.find("script", id="__DATA__")
if not script:
self.abort_recipe_processing("Unable to find script")
JSON = script.contents[0].split('JSON.parse(`')[1].replace("\\\\", "\\")
data = json.JSONDecoder().raw_decode(JSON)[0]
issue_info = (
data
.get("initialData", {})
.get("issueData", {})
)
if not issue_info:
self.abort_recipe_processing("Unable to find issue info")
self.cover_url = issue_info["image_url"] + "?w=800"
edition_date = datetime.strptime(issue_info["issue_date"], "%Y-%m-%d")
self.timefmt = f" [{edition_date:%B %Y}]"
feeds = {}
for section in ("featured", "departments"):
for article in issue_info.get("article_previews", {}).get(section, []):
self.log('\t', article["title"])
if section == "featured":
feed_name = "Features"
else:
feed_name = article["category"]
if feed_name not in feeds:
feeds[feed_name] = []
feeds[feed_name].append(
{
"title": article["title"],
"url": urljoin(
"https://www.scientificamerican.com/article/",
article["slug"],
),
"description": article["summary"],
}
)
return feeds.items()