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# -*- coding: utf-8 -*-
# Copyright 2019-2023 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 Blogger blogs"""
from .common import BaseExtractor, Message
from .. import text, util
import re
class BloggerExtractor(BaseExtractor):
"""Base class for blogger extractors"""
basecategory = "blogger"
directory_fmt = ("blogger", "{blog[name]}",
"{post[date]:%Y-%m-%d} {post[title]}")
filename_fmt = "{num:>03}.{extension}"
archive_fmt = "{post[id]}_{num}"
def _init(self):
self.api = BloggerAPI(self)
self.blog = self.root.rpartition("/")[2]
self.videos = self.config("videos", True)
def items(self):
blog = self.api.blog_by_url("http://" + self.blog)
blog["pages"] = blog["pages"]["totalItems"]
blog["posts"] = blog["posts"]["totalItems"]
blog["date"] = text.parse_datetime(blog["published"])
del blog["selfLink"]
sub = re.compile(r"(/|=)(?:[sw]\d+|w\d+-h\d+)(?=/|$)").sub
findall_image = re.compile(
r'src="(https?://(?:'
r'blogger\.googleusercontent\.com/img|'
r'lh\d+(?:-\w+)?\.googleusercontent\.com|'
r'\d+\.bp\.blogspot\.com)/[^"]+)').findall
findall_video = re.compile(
r'src="(https?://www\.blogger\.com/video\.g\?token=[^"]+)').findall
metadata = self.metadata()
for post in self.posts(blog):
content = post["content"]
files = findall_image(content)
for idx, url in enumerate(files):
files[idx] = sub(r"\1s0", url).replace("http:", "https:", 1)
if self.videos and 'id="BLOG_video-' in content:
page = self.request(post["url"]).text
for url in findall_video(page):
page = self.request(url).text
video_config = util.json_loads(text.extr(
page, 'var VIDEO_CONFIG =', '\n'))
files.append(max(
video_config["streams"],
key=lambda x: x["format_id"],
)["play_url"])
post["author"] = post["author"]["displayName"]
post["replies"] = post["replies"]["totalItems"]
post["content"] = text.remove_html(content)
post["date"] = text.parse_datetime(post["published"])
del post["selfLink"]
del post["blog"]
data = {"blog": blog, "post": post}
if metadata:
data.update(metadata)
yield Message.Directory, data
for data["num"], url in enumerate(files, 1):
data["url"] = url
yield Message.Url, url, text.nameext_from_url(url, data)
def posts(self, blog):
"""Return an iterable with all relevant post objects"""
def metadata(self):
"""Return additional metadata"""
BASE_PATTERN = BloggerExtractor.update({
"blogspot": {
"root": None,
"pattern": r"[\w-]+\.blogspot\.com",
},
"micmicidol": {
"root": "https://www.micmicidol.club",
"pattern": r"(?:www\.)?micmicidol\.club",
},
})
class BloggerPostExtractor(BloggerExtractor):
"""Extractor for a single blog post"""
subcategory = "post"
pattern = BASE_PATTERN + r"(/\d\d\d\d/\d\d/[^/?#]+\.html)"
example = "https://BLOG.blogspot.com/1970/01/TITLE.html"
def __init__(self, match):
BloggerExtractor.__init__(self, match)
self.path = match.group(match.lastindex)
def posts(self, blog):
return (self.api.post_by_path(blog["id"], self.path),)
class BloggerBlogExtractor(BloggerExtractor):
"""Extractor for an entire Blogger blog"""
subcategory = "blog"
pattern = BASE_PATTERN + r"/?$"
example = "https://BLOG.blogspot.com/"
def posts(self, blog):
return self.api.blog_posts(blog["id"])
class BloggerSearchExtractor(BloggerExtractor):
"""Extractor for Blogger search resuls"""
subcategory = "search"
pattern = BASE_PATTERN + r"/search/?\?q=([^&#]+)"
example = "https://BLOG.blogspot.com/search?q=QUERY"
def __init__(self, match):
BloggerExtractor.__init__(self, match)
self.query = text.unquote(match.group(match.lastindex))
def posts(self, blog):
return self.api.blog_search(blog["id"], self.query)
def metadata(self):
return {"query": self.query}
class BloggerLabelExtractor(BloggerExtractor):
"""Extractor for Blogger posts by label"""
subcategory = "label"
pattern = BASE_PATTERN + r"/search/label/([^/?#]+)"
example = "https://BLOG.blogspot.com/search/label/LABEL"
def __init__(self, match):
BloggerExtractor.__init__(self, match)
self.label = text.unquote(match.group(match.lastindex))
def posts(self, blog):
return self.api.blog_posts(blog["id"], self.label)
def metadata(self):
return {"label": self.label}
class BloggerAPI():
"""Minimal interface for the Blogger v3 API
Ref: https://developers.google.com/blogger
"""
API_KEY = "AIzaSyCN9ax34oMMyM07g_M-5pjeDp_312eITK8"
def __init__(self, extractor):
self.extractor = extractor
self.api_key = extractor.config("api-key", self.API_KEY)
def blog_by_url(self, url):
return self._call("blogs/byurl", {"url": url}, "blog")
def blog_posts(self, blog_id, label=None):
endpoint = "blogs/{}/posts".format(blog_id)
params = {"labels": label}
return self._pagination(endpoint, params)
def blog_search(self, blog_id, query):
endpoint = "blogs/{}/posts/search".format(blog_id)
params = {"q": query}
return self._pagination(endpoint, params)
def post_by_path(self, blog_id, path):
endpoint = "blogs/{}/posts/bypath".format(blog_id)
return self._call(endpoint, {"path": path}, "post")
def _call(self, endpoint, params, notfound=None):
url = "https://www.googleapis.com/blogger/v3/" + endpoint
params["key"] = self.api_key
return self.extractor.request(
url, params=params, notfound=notfound).json()
def _pagination(self, endpoint, params):
while True:
data = self._call(endpoint, params)
if "items" in data:
yield from data["items"]
if "nextPageToken" not in data:
return
params["pageToken"] = data["nextPageToken"]
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