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使用 pytumblr 客户端我得到这种类型的输出

{
"total_blogs": 2,
"blogs": [
  {
    "name": "testblog",
    "title": "testblog",
    "description": "A testblog",
    "url": "https://testblog.tumblr.com/",
    "uuid": "t:g8wqt6wBUe3AJkJXYHn1",
    "updated": 1526680515 
  },
  {
    "name": "testblog1",
    "title": "testblog1",
    "description": "A testblog1",
    "url": "https://testblog1.tumblr.com/",
    "uuid": "t:qwuedBBFIPMTViKhjozp",
    "updated": 1510382395 
  }],
"_links": {
  "next": {
    "href": "/v2/user/following?offset=20",
    "method": "GET",
    "query_params": {
      "offset": "20"
    }
  }
}

} }

我可以很好地打印 total_blogs 和 blogs 的值，但是我无法访问 itnernal 值，特别是 url，而且我无法应用教程或我在这里看到的其他一些示例这将有助于解决这个问题。

最终游戏基本上只是为了能够循环程序，直到我获得所有 url 值。我一次只能访问 20 个博客，所以这就是我必须获得的 url 值

在python中访问json数组而不参考其名称

此页面中的答案似乎是解决方案，但试图将其应用于我的代码

for anything in usrFollowing:
  if isinstance(usrFollowing[anything], list):
    for values in usrFollowing[anything]:
      print(values['blogs']['name'])

只是给了我最后一行的 KeyError: 'blogs' 。我不确定此时我还能做什么

我遇到的另一个问题是弄清楚如何将代码输出为更易读的格式。在 tumblr 网站控制台上，它的输出类似于我上面显示的初始代码，但我得到的只是持续打印到控制台的行。有什么办法可以改变吗？

4

1 回答 1

0

这应该检索您的 tumblr 所遵循的博客网址：

import pytumblr
client = pytumblr.TumblrRestClient(...)  # replace ... with your credentials

usrFollowing = client.following()
for blog in usrFollowing['blogs']:
    print(blog['url'])

我认为理解这种结构的方法是一次一件的。

usrFollowingvar 是一个字典

...
usrFollowing = client.following()
for key in usrFollowing.keys():
    print(key)

# outputs:
#   blogs
#   _links
#   total_blogs

因此，要访问每个博客，我们可以使用 key 遍历它们blogs：

...
usrFollowing = client.following()
for blog in usrFollowing['blogs']:
    print(blog)
# outputs something like:
#   {u'updated': 1539793245, u'uuid': u't:CwoihvyyOxn8Mk5TUS0KDg', u'title': u'Tumblr Engineering', u'url': u'https://engineering.tumblr.com/', u'name': u'engineering', u'description': u'Dispatches from the intrepid tinkerers behind technology at Tumblr.'}
#   {u'updated': 1545058816, u'uuid': u't:0aY0xL2Fi1OFJg4YxpmegQ', u'title': u'Tumblr Staff', u'url': u'https://staff.tumblr.com/', u'name': u'staff', u'description': u''}

有几种方法可以以更“人性化”的格式输出对象，使用pprint对象或将对象转换为指定缩进量的 JSON：

...

import pprint
import json

print('Python pretty-printed')
for blog in usrFollowing['blogs']:
    pprint.pprint(blog)

print('')

print('JSON pretty-printed')
for blog in usrFollowing['blogs']:
    print(json.dumps(blog, indent=2))
# outputs something like:
#   Python pretty-printed
#   {u'description': u'Dispatches from the intrepid tinkerers behind technology at Tumblr.',
#    u'name': u'engineering',
#    u'title': u'Tumblr Engineering',
#    u'updated': 1539793245,
#    u'url': u'https://engineering.tumblr.com/',
#    u'uuid': u't:CwoihvyyOxn8Mk5TUS0KDg'}
#   {u'description': u'',
#    u'name': u'staff',
#    u'title': u'Tumblr Staff',
#    u'updated': 1545058816,
#    u'url': u'https://staff.tumblr.com/',
#    u'uuid': u't:0aY0xL2Fi1OFJg4YxpmegQ'}
#   
#   JSON pretty-printed
#   {
#     "updated": 1539793245,
#     "uuid": "t:CwoihvyyOxn8Mk5TUS0KDg",
#     "title": "Tumblr Engineering",
#     "url": "https://engineering.tumblr.com/",
#     "name": "engineering",
#     "description": "Dispatches from the intrepid tinkerers behind technology at Tumblr."
#   }
#   {
#     "updated": 1545058816,
#     "uuid": "t:0aY0xL2Fi1OFJg4YxpmegQ",
#     "title": "Tumblr Staff",
#     "url": "https://staff.tumblr.com/",
#     "name": "staff",
#     "description": ""
#   }

这些字典有一个url键，因此您可以使用以下命令打印它们：

...
usrFollowing = client.following()
for blog in usrFollowing['blogs']:
    print(blog['url'])
# outputs something like:
#   https://engineering.tumblr.com/
#   https://staff.tumblr.com/
于 2018-12-27T17:44:36.520 回答