TypeError:“TextBlob”对象不可调用

Question

我可以从一个简单的脚本成功加载TextBlob模块，但不能从Flask应用程序加载。我将向您展示代码和错误。

加载一个简单的脚本工作：

from textblob import TextBlob

text = 'purfect kitten'

blob = TextBlob(text)
print blob.correct()

从烧瓶应用程序加载时抛出错误：

from textblob import TextBlob
from flask import (
    Flask,
    request
)

app = Flask(__name__)

@app.route('/parse', methods=['GET', 'POST'])
def parse():
    b = TextBlob(request.json['text'])
    b.correct()
    return b

if __name__ == '__main__':
    print 'running app on port 5000'
    app.debug = True
    app.run()

错误：

127.0.0.1 - - [18/Nov/2015 14:54:25] "POST /parse HTTP/1.1" 500 -
Traceback (most recent call last):
  File "/Users/peter/if/root/venv/lib/python2.7/site-packages/flask/app.py", line 1836, in __call__
    return self.wsgi_app(environ, start_response)
  File "/Users/peter/if/root/venv/lib/python2.7/site-packages/flask/app.py", line 1820, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "/Users/peter/if/root/venv/lib/python2.7/site-packages/flask/app.py", line 1403, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/Users/peter/if/root/venv/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/Users/peter/if/root/venv/lib/python2.7/site-packages/flask/app.py", line 1478, in full_dispatch_request
    response = self.make_response(rv)
  File "/Users/peter/if/root/venv/lib/python2.7/site-packages/flask/app.py", line 1577, in make_response
    rv = self.response_class.force_type(rv, request.environ)
  File "/Users/peter/if/root/venv/lib/python2.7/site-packages/werkzeug/wrappers.py", line 841, in force_type
    response = BaseResponse(*_run_wsgi_app(response, environ))
  File "/Users/peter/if/root/venv/lib/python2.7/site-packages/werkzeug/wrappers.py", line 57, in _run_wsgi_app
    return _run_wsgi_app(*args)
  File "/Users/peter/if/root/venv/lib/python2.7/site-packages/werkzeug/test.py", line 867, in run_wsgi_app
    app_rv = app(environ, start_response)
TypeError: 'TextBlob' object is not callable

我使用的是textblob版本0.11。0与pip一起安装。

Answer 1

TextBlob工作正常。问题在于你在Flask应用程序中如何使用TextBlob。

烧瓶的app.route需要返回响应或str，但您返回的b是TextBlob。你需要返回b作为str

@app.route('/parse', methods=['GET', 'POST'])
def parse():
    b = TextBlob('hello world')
    b.correct()
    return str(b)