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gallery-dl/gallery_dl/extractor/500px.py
Mike Fährmann a3c736fedc
[500px] fix extraction
Maximum available image dimensions have been reduced to 4096px
on the longest edge. (from 5000px)
A few (unimportant) metadata fields are no longer available or have
been changed to 'null'.
2019-07-19 17:23:03 +02:00

227 lines
7.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 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.
"""Extractors for https://500px.com/"""
from .common import Extractor, Message
from .. import text
class _500pxExtractor(Extractor):
"""Base class for 500px extractors"""
category = "500px"
directory_fmt = ("{category}", "{user[username]}")
filename_fmt = "{id}_{name}.{extension}"
archive_fmt = "{id}"
root = "https://500px.com"
def __init__(self, match):
Extractor.__init__(self, match)
self.session.headers["Referer"] = self.root + "/"
def items(self):
first = True
data = self.metadata()
yield Message.Version, 1
for photo in self.photos():
url = photo["images"][-1]["url"]
photo["extension"] = photo["image_format"]
if data:
photo.update(data)
if first:
first = False
yield Message.Directory, photo
yield Message.Url, url, photo
def metadata(self):
"""Returns general metadata"""
def photos(self):
"""Returns an iterable containing all relevant photo IDs"""
def _extend(self, photos):
"""Extend photos with additional metadata and higher resolution URLs"""
url = "https://api.500px.com/v1/photos"
params = {
"expanded_user_info" : "true",
"include_tags" : "true",
"include_geo" : "true",
"include_equipment_info": "true",
"vendor_photos" : "true",
"include_licensing" : "true",
"include_releases" : "true",
"liked_by" : "1",
"following_sample" : "100",
"image_size" : "4096",
"ids" : ",".join(str(p["id"]) for p in photos),
}
data = self._api_call(url, params)["photos"]
for photo in photos:
pid = str(photo["id"])
photo.update(data[pid])
return photos
def _api_call(self, url, params, csrf_token=None):
headers = {"Origin": self.root, "X-CSRF-Token": csrf_token}
return self.request(url, headers=headers, params=params).json()
def _pagination(self, url, params, csrf):
params["page"] = 1
while True:
data = self._api_call(url, params, csrf)
yield from self._extend(data["photos"])
if params["page"] >= data["total_pages"]:
return
params["page"] += 1
class _500pxUserExtractor(_500pxExtractor):
"""Extractor for photos from a user's photostream on 500px.com"""
subcategory = "user"
pattern = (r"(?:https?://)?500px\.com"
r"/(?!photo/)([^/?&#]+)/?(?:$|\?|#)")
test = ("https://500px.com/light_expression_photography", {
"pattern": r"https?://drscdn.500px.org/photo/\d+/m%3D4096/v2",
"range": "1-99",
"count": 99,
})
def __init__(self, match):
_500pxExtractor.__init__(self, match)
self.user = match.group(1)
def photos(self):
# get csrf token and user id from webpage
url = "{}/{}".format(self.root, self.user)
page = self.request(url).text
csrf_token, pos = text.extract(page, 'csrf-token" content="', '"')
user_id , pos = text.extract(page, '/user/', '"', pos)
# get user photos
url = "https://api.500px.com/v1/photos"
params = {
"feature" : "user",
"stream" : "photos",
"rpp" : "50",
"user_id" : user_id,
}
return self._pagination(url, params, csrf_token)
class _500pxGalleryExtractor(_500pxExtractor):
"""Extractor for photo galleries on 500px.com"""
subcategory = "gallery"
directory_fmt = ("{category}", "{user[username]}", "{gallery[name]}")
pattern = (r"(?:https?://)?500px\.com"
r"/(?!photo/)([^/?&#]+)/galleries/([^/?&#]+)")
test = ("https://500px.com/fashvamp/galleries/lera", {
"url": "002dc81dee5b4a655f0e31ad8349e8903b296df6",
"count": 3,
"keyword": {
"gallery": dict,
"user": dict,
},
})
def __init__(self, match):
_500pxExtractor.__init__(self, match)
self.user_name, self.gallery_name = match.groups()
self.user_id = self.gallery_id = self.csrf_token = None
def metadata(self):
# get csrf token and user id from webpage
url = "{}/{}/galleries/{}".format(
self.root, self.user_name, self.gallery_name)
page = self.request(url).text
self.csrf_token, pos = text.extract(page, 'csrf-token" content="', '"')
self.user_id , pos = text.extract(page, 'App.CuratorId =', '\n', pos)
self.user_id = self.user_id.strip(" '\";")
# get gallery metadata; transform gallery name into id
url = "https://api.500px.com/v1/users/{}/galleries/{}".format(
self.user_id, self.gallery_name)
params = {
# "include_user": "true",
"include_cover": "1",
"cover_size": "2048",
}
data = self._api_call(url, params, self.csrf_token)
self.gallery_id = data["gallery"]["id"]
return data
def photos(self):
url = "https://api.500px.com/v1/users/{}/galleries/{}/items".format(
self.user_id, self.gallery_id)
params = {
"sort" : "position",
"sort_direction" : "asc",
"rpp" : "50",
}
return self._pagination(url, params, self.csrf_token)
class _500pxImageExtractor(_500pxExtractor):
"""Extractor for individual images from 500px.com"""
subcategory = "image"
pattern = r"(?:https?://)?500px\.com/photo/(\d+)"
test = ("https://500px.com/photo/222049255/queen-of-coasts", {
"url": "fbdf7df39325cae02f5688e9f92935b0e7113315",
"count": 1,
"keyword": {
"camera": "Canon EOS 600D",
"camera_info": dict,
"comments": list,
"comments_count": int,
"created_at": "2017-08-01T08:40:05+00:00",
"description": str,
"editored_by": None,
"editors_choice": False,
"extension": "jpg",
"feature": "popular",
"feature_date": "2017-08-01T09:58:28+00:00",
"focal_length": "208",
"height": 3111,
"id": 222049255,
"image_format": "jpg",
"image_url": list,
"images": list,
"iso": "100",
"lens": "EF-S55-250mm f/4-5.6 IS II",
"lens_info": dict,
"liked": None,
"location": None,
"location_details": dict,
"name": "Queen Of Coasts",
"nsfw": False,
"privacy": False,
"profile": True,
"rating": float,
"status": 1,
"tags": list,
"taken_at": "2017-05-04T17:36:51+00:00",
"times_viewed": int,
"url": "/photo/222049255/Queen-Of-Coasts-by-Olesya-Nabieva",
"user": dict,
"user_id": 12847235,
"votes_count": int,
"watermark": True,
"width": 4637,
},
})
def __init__(self, match):
_500pxExtractor.__init__(self, match)
self.photo_id = match.group(1)
def photos(self):
photos = ({"id": self.photo_id},)
return self._extend(photos)