* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

dbprac 파일에서 복사해온 코드에서 에러가 발생합니다.

No module named 'certifi' 라고 나오네요.

작성한 코드 및 에러 메세지

app.py 코드

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

from pymongo import MongoClient
import certifi
ca = certifi.where()

client = MongoClient('mongodb+srv://test:sparta@cluster0.ff6avxi.mongodb.net/?retryWrites=true&w=majority', tlsCAFile=ca)
db = client.dbsparta

@app.route('/')
def home():
    return render_template('index.html')

@app.route("/mars", methods=["POST"])
def web_mars_post():
    name_receive = request.form['name_give']
    address_receive = request.form['address_give']
    size_receive = request.form['size_give']

    doc = {
        'name':name_receive,
        'address':address_receive,
        'size':size_receive
    }
    db.mars.insert_one(doc)

    return jsonify({'msg': '주문 완료!'})

@app.route("/mars", methods=["GET"])
def web_mars_get():
    return jsonify({'msg': 'GET 연결 완료!'})

if __name__ == '__main__':
    app.run('0.0.0.0', port=5000, debug=True)

에러메시지

/Users/jangsookim/Desktop/Sparta/projects/mars/venv/bin/python /Users/jangsookim/Desktop/Sparta/projects/mars/app.py
 * Serving Flask app 'app'
 * Debug mode: on
WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
 * Running on all addresses (0.0.0.0)
 * Running on http://127.0.0.1:5000
 * Running on http://172.30.1.4:5000
Press CTRL+C to quit
 * Restarting with stat
 * Debugger is active!
 * Debugger PIN: 716-490-834
127.0.0.1 - - [27/Dec/2022 23:05:08] "GET / HTTP/1.1" 200 -
127.0.0.1 - - [27/Dec/2022 23:05:09] "GET /mars HTTP/1.1" 200 -
127.0.0.1 - - [27/Dec/2022 23:05:50] "POST /mars HTTP/1.1" 500 -
Traceback (most recent call last):
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 2548, in __call__
    return self.wsgi_app(environ, start_response)
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 2528, in wsgi_app
    response = self.handle_exception(e)
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 2525, in wsgi_app
    response = self.full_dispatch_request()
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 1822, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 1820, in full_dispatch_request
    rv = self.dispatch_request()
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 1796, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/app.py", line 23, in web_mars_post
    db.mars.insert_one(doc)
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/collection.py", line 628, in insert_one
    self._insert_one(
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/collection.py", line 569, in _insert_one
    self.__database.client._retryable_write(acknowledged, _insert_command, session)
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1475, in _retryable_write
    with self._tmp_session(session) as s:
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/contextlib.py", line 113, in __enter__
    return next(self.gen)
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1757, in _tmp_session
    s = self._ensure_session(session)
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1740, in _ensure_session
    return self.__start_session(True, causal_consistency=False)
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1685, in __start_session
    self._topology._check_implicit_session_support()
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/topology.py", line 538, in _check_implicit_session_support
    self._check_session_support()
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/topology.py", line 554, in _check_session_support
    self._select_servers_loop(
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/pymongo/topology.py", line 238, in _select_servers_loop
    raise ServerSelectionTimeoutError(
pymongo.errors.ServerSelectionTimeoutError: ac-wgto8ij-shard-00-01.ff6avxi.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1108),ac-wgto8ij-shard-00-00.ff6avxi.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1108),ac-wgto8ij-shard-00-02.ff6avxi.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1108), Timeout: 30s, Topology Description: <TopologyDescription id: 63aafb8e94b4cf72649c1f09, topology_type: ReplicaSetNoPrimary, servers: [<ServerDescription ('ac-wgto8ij-shard-00-00.ff6avxi.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-wgto8ij-shard-00-00.ff6avxi.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1108)')>, <ServerDescription ('ac-wgto8ij-shard-00-01.ff6avxi.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-wgto8ij-shard-00-01.ff6avxi.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1108)')>, <ServerDescription ('ac-wgto8ij-shard-00-02.ff6avxi.mongodb.net', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('ac-wgto8ij-shard-00-02.ff6avxi.mongodb.net:27017: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1108)')>]>
 * Detected change in '/Users/jangsookim/Desktop/Sparta/projects/mars/app.py', reloading
 * Restarting with stat
Traceback (most recent call last):
  File "/Users/jangsookim/Desktop/Sparta/projects/mars/app.py", line 5, in <module>
    import certifi
ModuleNotFoundError: No module named 'certifi'


종료 코드 1(으)로 완료된 프로세스