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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://vk.com/"""
from .common import Extractor, Message
from .. import text, exception
BASE_PATTERN = r"(?:https://)?(?:www\.|m\.)?vk\.com"
class VkExtractor(Extractor):
"""Base class for vk extractors"""
category = "vk"
directory_fmt = ("{category}", "{user[name]|user[id]}")
filename_fmt = "{id}.{extension}"
archive_fmt = "{id}"
root = "https://vk.com"
request_interval = (0.5, 1.5)
def items(self):
sizes = "wzyxrqpo"
data = self.metadata()
yield Message.Directory, data
for photo in self.photos():
for size in sizes:
size += "_"
if size in photo:
break
else:
self.log.warning("no photo URL found (%s)", photo.get("id"))
continue
try:
photo["url"] = photo[size + "src"]
except KeyError:
self.log.warning("no photo URL found (%s)", photo.get("id"))
continue
try:
_, photo["width"], photo["height"] = photo[size]
except ValueError:
# photo without width/height entries (#2535)
photo["width"] = photo["height"] = 0
photo["id"] = photo["id"].rpartition("_")[2]
photo.update(data)
text.nameext_from_url(photo["url"], photo)
yield Message.Url, photo["url"], photo
def _pagination(self, photos_id):
url = self.root + "/al_photos.php"
headers = {
"X-Requested-With": "XMLHttpRequest",
"Origin" : self.root,
"Referer" : self.root + "/" + photos_id,
}
data = {
"act" : "show",
"al" : "1",
"direction": "1",
"list" : photos_id,
"offset" : 0,
}
while True:
payload = self.request(
url, method="POST", headers=headers, data=data,
).json()["payload"][1]
if len(payload) < 4:
self.log.debug(payload)
raise exception.AuthorizationError(
text.unescape(payload[0]) if payload[0] else None)
total = payload[1]
photos = payload[3]
data["offset"] += len(photos)
if data["offset"] >= total:
# the last chunk of photos also contains the first few photos
# again if 'total' is not a multiple of 10
extra = total - data["offset"]
if extra:
del photos[extra:]
yield from photos
return
yield from photos
class VkPhotosExtractor(VkExtractor):
"""Extractor for photos from a vk user"""
subcategory = "photos"
pattern = (BASE_PATTERN + r"/(?:"
r"(?:albums|photos|id)(-?\d+)"
r"|(?!(?:album|tag)-?\d+_?)([^/?#]+))")
example = "https://vk.com/id12345"
def __init__(self, match):
VkExtractor.__init__(self, match)
self.user_id, self.user_name = match.groups()
def photos(self):
return self._pagination("photos" + self.user_id)
def metadata(self):
if self.user_id:
user_id = self.user_id
prefix = "public" if user_id[0] == "-" else "id"
url = "{}/{}{}".format(self.root, prefix, user_id.lstrip("-"))
data = self._extract_profile(url)
else:
url = "{}/{}".format(self.root, self.user_name)
data = self._extract_profile(url)
self.user_id = data["user"]["id"]
return data
def _extract_profile(self, url):
extr = text.extract_from(self.request(url).text)
return {"user": {
"name": text.unescape(extr(
'rel="canonical" href="https://vk.com/', '"')),
"nick": text.unescape(extr(
'<h1 class="page_name">', "<")).replace(" ", " "),
"info": text.unescape(text.remove_html(extr(
'<span class="current_text">', '</span'))),
"id" : (extr('<a href="/albums', '"') or
extr('data-from-id="', '"')),
}}
class VkAlbumExtractor(VkExtractor):
"""Extractor for a vk album"""
subcategory = "album"
directory_fmt = ("{category}", "{user[id]}", "{album[id]}")
pattern = BASE_PATTERN + r"/album(-?\d+)_(\d+)$"
example = "https://vk.com/album12345_00"
def __init__(self, match):
VkExtractor.__init__(self, match)
self.user_id, self.album_id = match.groups()
def photos(self):
return self._pagination("album{}_{}".format(
self.user_id, self.album_id))
def metadata(self):
return {
"user": {"id": self.user_id},
"album": {"id": self.album_id},
}
class VkTaggedExtractor(VkExtractor):
"""Extractor for a vk tagged photos"""
subcategory = "tagged"
directory_fmt = ("{category}", "{user[id]}", "tags")
pattern = BASE_PATTERN + r"/tag(-?\d+)$"
example = "https://vk.com/tag12345"
def __init__(self, match):
VkExtractor.__init__(self, match)
self.user_id = match.group(1)
def photos(self):
return self._pagination("tag{}".format(self.user_id))
def metadata(self):
return {"user": {"id": self.user_id}}
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