Python textblob Translation API Error

Question

I have been using textblob in Python 2.7.10 on Windows for quite some time, and unexpectedly, it stopped working. Testing with two independent virtual machines as well as on OS X produces the same error.

Testing a simple snippet from the docs:

    from textblob import TextBlob
    en_blob = TextBlob(u'Simple is better than complex.')
    print(en_blob.translate(to='es'))

produces an error:

File "test.py", line 3, in <module> print(en_blob.translate(to='es'))

File "C:\Python27\lib\site-packages\textblob\blob.py", line 509, in translate
from_lang=from_lang, to_lang=to))

File "C:\Python27\lib\site-packages\textblob\translate.py", line 45, in translate
raise NotTranslated('Translation API returned the input string unchanged.')

textblob.exceptions.NotTranslated: Translation API returned the input string 
unchanged.

How can I debug this error?

Gijs · Accepted Answer · 2016-02-15 23:47:12Z

4

As mentioned in the docs, Textblob uses the Google Translate API for its translations.

Apparently, this (undocumented) API changed it's output format. I am able to do a succesfull request with this snippet:

import requests
url = 'http://translate.google.com/translate_a/t'
params = {
    "text": "Simple is better than complex", 
    "sl": "en", 
    "tl": "es", 
    "client": "p"
}
print(requests.get(url, params=params).content)

>> '"Simple es mejor que complejo"'

In the source code of textblob, code is indicating a json encoded approach, but apparently Google has decided here that simple is indeed better than complex.

This issue is already mentioned in https://github.com/sloria/TextBlob/issues/117.

edited Feb 15, 2016 at 23:47

answered Feb 15, 2016 at 23:38

Gijs

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1 Comment

Harsh Patni Over a year ago

I am facing the same problem with but with Language Detection not translation. Can you please help me in understanding how can I do the same with the above format.

jschnurr · Accepted Answer · 2016-02-16 06:22:35Z

3

As mentioned by @Gijs, the Google Translate API changed. This caused TextBlob's translation and language detection functionality to stop working.

I've submitted a PR to fix the problem.

answered Feb 16, 2016 at 6:22

jschnurr

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Comments

pushkin · Accepted Answer · 2018-10-08 16:31:45Z

0

You just need to set the from_lang parameter telling from which language you are translating:

en_blob = TextBlob(u'Simple is better than complex.')
print(en_blob.translate(from_lang='en', to='es'))

edited Oct 8, 2018 at 16:31

pushkin

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answered Oct 8, 2018 at 16:07

Thoms Shmims

1

Comments

RiGonz · Accepted Answer · 2020-10-11 10:30:30Z

0

Introducing the from_lang parameter does not solve the issue, in my experience. I have fixed it calling Google's translation API from another front, not through textblob's. https://github.com/ssut/py-googletrans

answered Oct 11, 2020 at 10:30

RiGonz

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