我正在部署用 python (Flask) 编写的简单 API,但我收到奇怪的错误“TypeError: 'float' object is not callable”。但是,对象是 int 类型,我证实了这一点。我什至尝试通过“for counter in range(int(additional_params_count)):”来强制执行 int 类型,但它没有帮助。
以下是错误信息和来源
1
<type 'int'>
[20130826-16:14PM] [flats_api] [ERROR] Exception on /v1/closest_point [GET]
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1477, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1381, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/var/www/flats_api/flats_api.py", line 104, in closest_point
for counter in range(0,additional_params_count):
TypeError: 'float' object is not callable
来源:
def closest_point():
lng = request.args.get('lng', default=None, type=float)
lat = request.args.get('lat', default=None, type=float)
price_min = request.args.get('price_min',default=None, type=float)
price_max = request.args.get('price_max',default=None, type=float)
rooms_min = request.args.get('rooms_min',default=None, type=float)
rooms_max = request.args.get('rooms_max',default=None, type=float)
if (lng != None) and (lat != None):
range = 0.1
lng_min = lng - range
lng_max = lng + range
lat_min = lat - range
lat_max = lat + range
cur = g.db.cursor()
query = "SELECT id, link, price, longitude, latitude FROM " + DATABASE_TABLE_NAME + " WHERE latitude >= " + str(lat_min) + " AND latitude <= " + str(lat_max) + " AND longitude >= " + str(lng_min) + " AND longitude <= " + str(lng_max)
# I always have 5 basic parameters to group by. I count number of additional parameters to know how many to add
additional_params_count = 0
if price_min:
query = query + " AND price >= " + str(price_min)
additional_params_count = additional_params_count + 1
query = query + "GROUP BY 1,2,3,4,5"
print additional_params_count
print type(additional_params_count)
for counter in range(0,additional_params_count):
print counter
query = query + "," + str(counter + 6)
query = query + ";"
print query
cur.execute(query)
columns = [desc[0] for desc in cur.description]
rows = cur.fetchall()
flats_json = []
for row in rows:
flats_json.append(dict((k,str(v)) for k,v in zip(columns,row)))
response_body = str(rows)
return json.dumps(flats_json)
else:
return "One of lng or lat parameters missing"