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# -*- coding: utf-8 -*-
# Copyright 2016-2019 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.
"""Extract images from https://www.pinterest.com/"""
from .common import Extractor, Message
from .. import text, exception
import json
BASE_PATTERN = r"(?:https?://)?(?:\w+\.)?pinterest\.\w+"
class PinterestExtractor(Extractor):
"""Base class for pinterest extractors"""
category = "pinterest"
filename_fmt = "{category}_{id}.{extension}"
archive_fmt = "{id}"
def __init__(self, match):
Extractor.__init__(self, match)
self.api = PinterestAPI(self)
def items(self):
data = self.metadata()
yield Message.Version, 1
yield Message.Directory, data
for pin in self.pins():
if "images" in pin:
url, pin_data = self.data_from_pin(pin)
pin_data.update(data)
yield Message.Url, url, pin_data
def metadata(self):
"""Return general metadata"""
def pins(self):
"""Return all relevant pin-objects"""
@staticmethod
def data_from_pin(pin):
"""Get image url and metadata from a pin-object"""
img = pin["images"]["orig"]
url = img["url"]
pin["width"] = img["width"]
pin["height"] = img["height"]
return url, text.nameext_from_url(url, pin)
class PinterestPinExtractor(PinterestExtractor):
"""Extractor for images from a single pin from pinterest.com"""
subcategory = "pin"
pattern = BASE_PATTERN + r"/pin/([^/?#&]+)(?!.*#related$)"
test = (
("https://www.pinterest.com/pin/858146903966145189/", {
"url": "afb3c26719e3a530bb0e871c480882a801a4e8a5",
# image version depends on CDN server used
# "content": "d3e24bc9f7af585e8c23b9136956bd45a4d9b947",
# "content": "4c435a66f6bb82bb681db2ecc888f76cf6c5f9ca",
}),
("https://www.pinterest.com/pin/858146903966145188/", {
"exception": exception.NotFoundError,
}),
)
def __init__(self, match):
PinterestExtractor.__init__(self, match)
self.pin_id = match.group(1)
self.pin = None
def metadata(self):
self.pin = self.api.pin(self.pin_id)
return self.data_from_pin(self.pin)[1]
def pins(self):
return (self.pin,)
class PinterestBoardExtractor(PinterestExtractor):
"""Extractor for images from a board from pinterest.com"""
subcategory = "board"
directory_fmt = ("{category}", "{board[owner][username]}", "{board[name]}")
archive_fmt = "{board[id]}_{id}"
pattern = BASE_PATTERN + r"/(?!pin/)([^/?#&]+)/([^/?#&]+)(?!.*#related$)"
test = (
("https://www.pinterest.com/g1952849/test-/", {
"pattern": r"https://i\.pinimg\.com/originals/",
"count": 2,
}),
("https://www.pinterest.com/g1952848/test/", {
"exception": exception.GalleryDLException,
}),
)
def __init__(self, match):
PinterestExtractor.__init__(self, match)
self.user = text.unquote(match.group(1))
self.board = text.unquote(match.group(2))
self.board_id = 0
def metadata(self):
board = self.api.board(self.user, self.board)
self.board_id = board["id"]
return {"board": board}
def pins(self):
return self.api.board_pins(self.board_id)
class PinterestRelatedPinExtractor(PinterestPinExtractor):
"""Extractor for related pins of another pin from pinterest.com"""
subcategory = "related-pin"
directory_fmt = ("{category}", "related {original_pin[id]}")
pattern = BASE_PATTERN + r"/pin/([^/?#&]+).*#related$"
test = ("https://www.pinterest.com/pin/858146903966145189/#related", {
"range": "31-50",
"count": 20,
})
def metadata(self):
pin = self.api.pin(self.pin_id)
return {"original_pin": self.data_from_pin(pin)[1]}
def pins(self):
return self.api.pin_related(self.pin_id)
class PinterestRelatedBoardExtractor(PinterestBoardExtractor):
"""Extractor for related pins of a board from pinterest.com"""
subcategory = "related-board"
directory_fmt = ("{category}", "{board[owner][username]}",
"{board[name]}", "related")
pattern = BASE_PATTERN + r"/(?!pin/)([^/?#&]+)/([^/?#&]+).*#related$"
test = ("https://www.pinterest.com/g1952849/test-/#related", {
"range": "31-50",
"count": 20,
})
def pins(self):
return self.api.board_related(self.board_id)
class PinterestPinitExtractor(PinterestExtractor):
"""Extractor for images from a pin.it URL"""
subcategory = "pinit"
pattern = r"(?:https?://)?pin\.it/([^/?#&]+)"
test = (
("https://pin.it/Hvt8hgT", {
"url": "8daad8558382c68f0868bdbd17d05205184632fa",
}),
("https://pin.it/Hvt8hgS", {
"exception": exception.NotFoundError,
}),
)
def __init__(self, match):
PinterestExtractor.__init__(self, match)
self.shortened_id = match.group(1)
def items(self):
url = "https://api.pinterest.com/url_shortener/{}/redirect".format(
self.shortened_id)
response = self.request(url, method="HEAD", allow_redirects=False)
location = response.headers.get("Location")
if not location or location in ("https://api.pinterest.com/None",
"https://pin.it/None",
"https://www.pinterest.com"):
raise exception.NotFoundError("pin")
yield Message.Queue, location, {}
class PinterestAPI():
"""Minimal interface for the Pinterest Web API
For a better and more complete implementation in PHP, see
- https://github.com/seregazhuk/php-pinterest-bot
"""
BASE_URL = "https://www.pinterest.com"
HEADERS = {
"Accept" : "application/json, text/javascript, "
"*/*, q=0.01",
"Accept-Language" : "en-US,en;q=0.5",
"X-Pinterest-AppState": "active",
"X-APP-VERSION" : "cb1c7f9",
"X-Requested-With" : "XMLHttpRequest",
"Origin" : BASE_URL + "/",
}
def __init__(self, extractor):
self.extractor = extractor
def pin(self, pin_id):
"""Query information about a pin"""
options = {"id": pin_id, "field_set_key": "detailed"}
return self._call("Pin", options)["resource_response"]["data"]
def pin_related(self, pin_id):
"""Yield related pins of another pin"""
options = {"pin": pin_id, "add_vase": True, "pins_only": True}
return self._pagination("RelatedPinFeed", options)
def board(self, user, board):
"""Query information about a board"""
options = {"slug": board, "username": user,
"field_set_key": "detailed"}
return self._call("Board", options)["resource_response"]["data"]
def board_pins(self, board_id):
"""Yield all pins of a specific board"""
options = {"board_id": board_id}
return self._pagination("BoardFeed", options)
def board_related(self, board_id):
"""Yield related pins of a specific board"""
options = {"board_id": board_id, "add_vase": True}
return self._pagination("BoardRelatedPixieFeed", options)
def _call(self, resource, options):
url = "{}/resource/{}Resource/get/".format(self.BASE_URL, resource)
params = {"data": json.dumps({"options": options}), "source_url": ""}
response = self.extractor.request(
url, params=params, headers=self.HEADERS, fatal=False)
try:
data = response.json()
except ValueError:
data = {}
if response.status_code < 400 and not response.history:
return data
if response.status_code == 404 or response.history:
resource = self.extractor.subcategory.rpartition("-")[2]
raise exception.NotFoundError(resource)
self.extractor.log.error("API request failed")
self.extractor.log.debug("%s", response.text)
raise exception.StopExtraction()
def _pagination(self, resource, options):
while True:
data = self._call(resource, options)
yield from data["resource_response"]["data"]
try:
bookmarks = data["resource"]["options"]["bookmarks"]
if (not bookmarks or bookmarks[0] == "-end-" or
bookmarks[0].startswith("Y2JOb25lO")):
return
options["bookmarks"] = bookmarks
except KeyError:
return
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