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gallery-dl/gallery_dl/extractor/tumblr.py
2017-02-01 00:53:19 +01:00

124 lines
4.1 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2016 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.tumblr.com/"""
from .common import Extractor, Message
from .. import text
import json
class TumblrUserExtractor(Extractor):
"""Extractor for all images from a tumblr-user"""
category = "tumblr"
subcategory = "user"
directory_fmt = ["{category}", "{user}"]
filename_fmt = "{category}_{user}_{id}{offset}.{extension}"
pattern = [r"(?:https?://)?([^.]+)\.tumblr\.com(?:/page/\d+)?/?$"]
test = [("http://demo.tumblr.com/", {
"url": "5c113da25a605b7449de8ca1606eec5502b4dc9f",
"keyword": "8704a9bbb65b6e52dc1ccdf2c2449bd4abe3d389",
"content": "31495fdb9f84edbb7f67972746a1521456f649e2",
})]
def __init__(self, match):
Extractor.__init__(self)
self.user = match.group(1)
self.api_url = "https://{}.tumblr.com/api/read/json".format(self.user)
self.api_params = {"start": 0, "type": "photo"}
def items(self):
images = self.get_image_data()
data = self.get_job_metadata(images)
yield Message.Version, 1
yield Message.Directory, data
for image in images:
url = image["photo-url-1280"]
self.delete_keywords(image)
image.update(data)
image = text.nameext_from_url(url, image)
image["hash"] = text.extract(image["name"], "_", "_")[0]
yield Message.Url, url, image
def get_job_metadata(self, image_data):
"""Collect metadata for extractor-job"""
data = next(image_data)
data["user"] = self.user
del data["cname"]
del data["description"]
del data["feeds"]
return data
def get_image_data(self):
"""Yield metadata for all images from a user"""
params = self.api_params.copy()
while True:
page = self.request(self.api_url, params=params).text
data = json.loads(page[22:-2])
if params["start"] == 0:
yield data["tumblelog"]
for post in data["posts"]:
yield from self.get_images_from_post(post)
if len(data["posts"]) < 20:
break
params["start"] += 20
@staticmethod
def get_images_from_post(post):
"""Yield all images from a single post"""
try:
photos = post["photos"]
except KeyError:
return
del post["photos"]
if photos:
for photo in photos:
post.update(photo)
yield post
else:
post["offset"] = "o1"
yield post
@staticmethod
def delete_keywords(data):
"""Delete unnecessary keywords from dict"""
keys = [
k for k in data.keys()
if k.startswith("photo-url-") or k.endswith("-button")
]
for key in keys:
del data[key]
class TumblrPostExtractor(TumblrUserExtractor):
"""Extractor for images from a single post on tumblr"""
subcategory = "post"
pattern = [r"(?:https?://)?([^.]+)\.tumblr\.com/post/(\d+)"]
test = [("http://demo.tumblr.com/post/459265350", {
"url": "5c113da25a605b7449de8ca1606eec5502b4dc9f",
"keyword": "821236db342fb0d1bf8a177ca3108349168e6cd0",
})]
def __init__(self, match):
TumblrUserExtractor.__init__(self, match)
self.api_params["id"] = match.group(2)
class TumblrTagExtractor(TumblrUserExtractor):
"""Extractor for images from a tumblr-user by tag"""
subcategory = "tag"
pattern = [r"(?:https?://)?([^.]+)\.tumblr\.com/tagged/(.+)"]
test = [("http://demo.tumblr.com/tagged/Times Square", {
"url": "5c113da25a605b7449de8ca1606eec5502b4dc9f",
"keyword": "e182759d3a26c9f72ccc8ddc22a382aad598d6dc",
})]
def __init__(self, match):
TumblrUserExtractor.__init__(self, match)
self.api_params["tagged"] = match.group(2)