IBM沃森ToneAnalyzerV3 WatsonException：錯誤：無效JSON輸入，代碼：400

下面的一組代碼的工作時，我有簡短的文字，但是當我給它這種形式的一個較長的文字：https://pastebin.com/PLinyN65 IBM沃森ToneAnalyzerV3 WatsonException：錯誤：無效JSON輸入，代碼：400

import os 
import json 
from watson_developer_cloud import ToneAnalyzerV3 
from glob import glob 

with open(credentials.txt) as cred: 
    data = cred.readlines() 
    UserName = data[0] 
    PassWord = data[1] 

tone_analyzer = ToneAnalyzerV3(
       username=UserName, 
       password=PassWord, 
       version='2016-05-19') 

pth = '../input/*.txt' 
txtFiles = glob(pth) 
for file in txtFiles: 
    baseName = os.path.basename(file) 
    name = baseName.split('.') 

with open(file) as f: 
    txt = f.read() 

    with open('../output/{}.json'.format(name[0]), 'w') as outFile: 
     json.dump(tone_analyzer.tone(text=txt, sentences='false'), outFile, separators=(',', ': '), indent=2)

我得到錯誤：

WatsonException       Traceback (most recent call last) 
<ipython-input-6-d948e97e307e> in <module>() 
     8 
     9   with open('../output/{}.json'.format(name[0]), 'w') as outFile: 
---> 10    json.dump(tone_analyzer.tone(text=txt, sentences='false'), outFile, separators=(',', ': '), indent=2) 
    11 
    12  print('{}\n'.format(name[0])) 

/Library/Python/2.7/site-packages/watson_developer_cloud/tone_analyzer_v3.pyc in tone(self, text, tones, sentences) 
    51   data = {'text': text} 
    52   return self.request(method='POST', url='/v3/tone', params=params, 
---> 53        json=data, accept_json=True) 

/Library/Python/2.7/site-packages/watson_developer_cloud/watson_developer_cloud_service.pyc in request(self, method, url, accept_json, headers, params, json, data, files, **kwargs) 
    318    else: 
    319     error_message = self._get_error_message(response) 
--> 320    raise WatsonException(error_message) 

WatsonException: Error: Invalid JSON input, Code: 400

當我嘗試手動輸入這個網絡鏈接文本：https://tone-analyzer-demo.mybluemix.net/

我得到的錯誤：request entity too large

請諮詢我如何從ToneAnalyzerV3以json格式獲得所需的音色分析分數。

來源

2017-05-11 samkhan13

望着音分析器API瀏覽器，你可以看到有文字量的限制每個請求可以處理：

The Tone Analyzer service supports up to 128 KB of text, or about 1000 sentences. Sentences with less than three words cannot be analyzed.

Tone Analyzer API Explorer

您提供的文本是165743個字節（168 KB），這比服務支持的要大。我試圖輸入在API瀏覽器上面提供的文字和你有上面收到了同樣的錯誤：

{ 
    "code": 400, 
    "sub_code": "C00013", 
    "error": "Invalid JSON input" 
}

當你需要使用一個文本輸入是最大128 KB的文本的下方的解決方案。

來源

2017-05-23 18:21:40

IBM沃森ToneAnalyzerV3 WatsonException：錯誤：無效JSON輸入，代碼：400

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