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[英]Python Flask: API call not happening, resulting in 500 internal server error
[英]JSON API with Flask - 500 Internal Server Error
我絕對是Flask和API方面的新手。 我想用FLASK在本地主機中托管帶有API的Json。 但是它說
500內部服務器錯誤。
在我第一次嘗試運行此Flask時,它給了我500內部服務器錯誤。 然后,我從Ubuntu轉到Windows,玩游戲並瀏覽(我試圖解釋清楚)。 然后我再次回到Ubuntu。
而且,我做的事情與第一次嘗試完全相同,我遇到了500個內部服務器錯誤。 但是我不知道,這次可以了。 而且我敢肯定,除了像我第一次嘗試一樣,我什么也不會做
這是代碼
from flask import Flask
from flask import request
from pymongo import MongoClient
from bson.json_util import dumps
import json
client = MongoClient()
db = client.dbCrawlTwint
app = Flask(__name__)
@app.route("/get_statistic_year", methods = ['GET'])
def get_statistic_year():
statisticYear = db.statisticYear.find()
return dumps(statisticYear)
@app.route("/get_statistic_month", methods = ['GET'])
def get_statistic_month():
statisticMonth = db.statisticMonth.find()
return dumps(statisticMonth)
@app.route("/get_statistic_week", methods = ['GET'])
def get_statistic_week():
statisticWeek = db.statisticWeek.find()
return dumps(statisticWeek)
@app.route("/get_statistic_day", methods = ['GET'])
def get_statistic_day():
statisticDay = db.statisticDay.find()
return dumps(statisticDay)
這是error.log
INFO:werkzeug:127.0.0.1 - - [01/Aug/2019 13:21:13] "GET /get_statistic_month HTTP/1.1" 500 -
ERROR:restAPI:Exception on /get_statistic_month [GET]
Traceback (most recent call last):
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/flask/app.py", line 2446, in wsgi_app
response = self.full_dispatch_request()
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/flask/app.py", line 1951, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/flask/app.py", line 1820, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/flask/_compat.py", line 39, in reraise
raise value
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/flask/app.py", line 1949, in full_dispatch_request
rv = self.dispatch_request()
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/flask/app.py", line 1935, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/home/alramdein/Documents/Angular-exp/angular-statistic/flask/restAPI.py", line 21, in get_statistic_month
return dumps(statisticMonth)
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/bson/json_util.py", line 383, in dumps
return json.dumps(_json_convert(obj, json_options), *args, **kwargs)
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/bson/json_util.py", line 421, in _json_convert
return list((_json_convert(v, json_options) for v in obj))
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/bson/json_util.py", line 421, in <genexpr>
return list((_json_convert(v, json_options) for v in obj))
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/pymongo/cursor.py", line 1225, in next
if len(self.__data) or self._refresh():
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/pymongo/cursor.py", line 1140, in _refresh
self.__send_message(q)
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/pymongo/cursor.py", line 1010, in __send_message
helpers._check_command_response(first)
File "/home/alramdein/anaconda3/envs/eventenv/lib/python3.6/site-packages/pymongo/helpers.py", line 155, in _check_command_response
raise OperationFailure(msg % errmsg, code, response)
pymongo.errors.OperationFailure: there are no users authenticated
INFO:werkzeug:127.0.0.1 - - [01/Aug/2019 13:21:14] "GET /get_statistic_month HTTP/1.1" 500 -
我注意到有一個
pymongo.errors.OperationFailure:沒有經過身份驗證的用戶
當我發布這個問題時
只需在Windows中添加
client = MongoClient('mongodb://user:pass@localhost:27017/')
或在Linux中
client = MongoClient('mongodb://user:pass@172.17.0.1:27017/')
我之所以沒有刪除它,是因為其他人可能也遇到同樣的問題
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