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gallery-dl/gallery_dl/extractor/hatenablog.py

168 lines
5.5 KiB
Python

# -*- coding: utf-8 -*-
# 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://hatenablog.com"""
import re
from .common import Extractor, Message
from .. import text
BASE_PATTERN = (
r"(?:hatenablog:https?://([^/?#]+)|(?:https?://)?"
r"([\w-]+\.(?:hatenablog\.(?:com|jp)"
r"|hatenadiary\.com|hateblo\.jp)))"
)
QUERY_RE = r"(?:\?([^#]*))?(?:#.*)?$"
class HatenablogExtractor(Extractor):
"""Base class for HatenaBlog extractors"""
category = "hatenablog"
directory_fmt = ("{category}", "{domain}")
filename_fmt = "{category}_{domain}_{entry}_{num:>02}.{extension}"
archive_fmt = "{filename}"
def __init__(self, match):
Extractor.__init__(self, match)
self.domain = match.group(1) or match.group(2)
def _init(self):
self._find_img = re.compile(r'<img +([^>]+)').finditer
def _handle_article(self, article: str):
extr = text.extract_from(article)
date = text.parse_datetime(extr('<time datetime="', '"'))
entry_link = text.unescape(extr('<a href="', '"'))
entry = entry_link.partition("/entry/")[2]
title = text.unescape(extr('>', '<'))
content = extr(
'<div class="entry-content hatenablog-entry">', '</div>')
images = []
for i in self._find_img(content):
attributes = i.group(1)
if 'class="hatena-fotolife"' not in attributes:
continue
image = text.unescape(text.extr(attributes, 'src="', '"'))
images.append(image)
data = {
"domain": self.domain,
"date": date,
"entry": entry,
"title": title,
"count": len(images),
}
yield Message.Directory, data
for data["num"], url in enumerate(images, 1):
yield Message.Url, url, text.nameext_from_url(url, data)
class HatenablogEntriesExtractor(HatenablogExtractor):
"""Base class for a list of entries"""
allowed_parameters = ()
def __init__(self, match):
HatenablogExtractor.__init__(self, match)
self.path = match.group(3)
self.query = {key: value for key, value in text.parse_query(
match.group(4)).items() if self._acceptable_query(key)}
def _init(self):
HatenablogExtractor._init(self)
self._find_pager_url = re.compile(
r' class="pager-next">\s*<a href="([^"]+)').search
def items(self):
url = "https://" + self.domain + self.path
query = self.query
while url:
page = self.request(url, params=query).text
extr = text.extract_from(page)
attributes = extr('<body ', '>')
if "page-archive" in attributes:
yield from self._handle_partial_articles(extr)
else:
yield from self._handle_full_articles(extr)
match = self._find_pager_url(page)
url = text.unescape(match.group(1)) if match else None
query = None
def _handle_partial_articles(self, extr):
while True:
section = extr('<section class="archive-entry', '</section>')
if not section:
break
url = "hatenablog:" + text.unescape(text.extr(
section, '<a class="entry-title-link" href="', '"'))
data = {"_extractor": HatenablogEntryExtractor}
yield Message.Queue, url, data
def _handle_full_articles(self, extr):
while True:
attributes = extr('<article ', '>')
if not attributes:
break
if "no-entry" in attributes:
continue
article = extr('', '</article>')
yield from self._handle_article(article)
def _acceptable_query(self, key):
return key == "page" or key in self.allowed_parameters
class HatenablogEntryExtractor(HatenablogExtractor):
"""Extractor for a single entry URL"""
subcategory = "entry"
pattern = BASE_PATTERN + r"/entry/([^?#]+)" + QUERY_RE
example = "https://BLOG.hatenablog.com/entry/PATH"
def __init__(self, match):
HatenablogExtractor.__init__(self, match)
self.path = match.group(3)
def items(self):
url = "https://" + self.domain + "/entry/" + self.path
page = self.request(url).text
extr = text.extract_from(page)
while True:
attributes = extr('<article ', '>')
if "no-entry" in attributes:
continue
article = extr('', '</article>')
return self._handle_article(article)
class HatenablogHomeExtractor(HatenablogEntriesExtractor):
"""Extractor for a blog's home page"""
subcategory = "home"
pattern = BASE_PATTERN + r"(/?)" + QUERY_RE
example = "https://BLOG.hatenablog.com"
class HatenablogArchiveExtractor(HatenablogEntriesExtractor):
"""Extractor for a blog's archive page"""
subcategory = "archive"
pattern = (BASE_PATTERN + r"(/archive(?:/\d+(?:/\d+(?:/\d+)?)?"
r"|/category/[^?#]+)?)" + QUERY_RE)
example = "https://BLOG.hatenablog.com/archive/2024"
class HatenablogSearchExtractor(HatenablogEntriesExtractor):
"""Extractor for a blog's search results"""
subcategory = "search"
pattern = BASE_PATTERN + r"(/search)" + QUERY_RE
example = "https://BLOG.hatenablog.com/search?q=QUERY"
allowed_parameters = ("q",)