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Type Object Not Subscriptable - Python

- 1 answer

 from newsapi.sources import Sources
 import json
 api_key ='*******************'
 s = Sources(API_KEY=api_key)

they input the category of news they want

 wanted = input('> ')
 source_list = s.get(category=wanted, language='en')

 index = 0
 sources = []

getting the sources for source in source_list["sources"]:

     data = json.dumps(source_list)
     data = json.loads(data)

     source = (data["sources"][index]["url"])
     sources.append(source)
     index += 1


 from newspaper import Article

 i = len(sources) - 1

looping through the source list and printing the articles for source in sources:

     url_ = sources[i]

     a = Article[url_]  
     print(a)

     i -= 1

getting error 'type' object is not subscriptable on the line a = Article[url_] have researched but still do not understand why in my case.

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Answer

The simple solution to your problem is that the line:

a = Article[url_]

Should be:

a = Article(url_)

Now to get to why you're getting the TypeError: 'type' object is not subscriptable error.

This TypeError is the one thrown by python when you use the square bracket notation object[key] where an object doesn't define the __getitem__ method. So for instance, using [] on an object throws:

>>> object()["foo"]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'object' object is not subscriptable

In this case []s were used accidentally instead of ()s when trying to instantiate a class. Most classes (including this Article class) are instances of the type class, so trying object["foo"] causes the same error you are experiencing:

>>> object["foo"]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'type' object is not subscriptable
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source: stackoverflow.com
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