init

.gitignore

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+.vscode
+.env

README.md

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+flask api test
+
+use flask-restful
+

app.py

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+from flask import Flask, request
+from flask_restful import Resource, Api, reqparse
+
+app = Flask(__name__)
+api = Api(app)
+
+user_list = []
+
+def min_length_str(min_length):
+    def validate(s):
+        if s is None:
+            raise Exception('password required')
+        if not isinstance(s, (int, str)):
+            raise Exception('password format error')
+        s = str(s)
+        if len(s) >= min_length:
+            return s
+        raise Exception("String must be at least %i characters long" % min_length)
+    return validate
+
+class HelloWorld(Resource):
+    def get(self):
+        return 'hello world'
+
+class User(Resource):
+
+    parser = reqparse.RequestParser()
+    parser.add_argument(
+        'password', type=min_length_str(5), required=True,
+        help='{error_msg}'
+    )
+
+    def get(self, username):
+        """
+        get user detail infomation
+        """
+        for user in user_list:
+            if user["username"] == username:
+                return user
+        return {'message': 'user not found'}, 404
+
+    def post(self, username):
+        """
+        create a user
+        """
+        data = User.parser.parse_args()
+        user = {
+            'username': username,
+            'password': data.get('password')
+        }
+        user_list.append(user)
+        return user, 201
+
+    def delete(self, username):
+        """delete user"""
+        user_find = None
+        for user in user_list:
+            if user['username'] == username:
+                user_find = user
+        if user_find:
+            user_list.remove(user_find)
+            return user_find
+        else:
+            return {'message': 'user not found'}
+
+    def put(self, username):
+        """update user"""
+        user_find = None
+        for user in user_list:
+            if user['username'] == username:
+                user_find = user
+        if user_find:
+            data = User.parser.parse_args()
+            user_list.remove(user_find)
+            user_find['password'] = data['password']
+            user_list.append(user_find)
+            return user_find
+        else:
+            return {'message': 'user not found'}
+
+class UserList(Resource):
+
+    def get(self):
+        return user_list
+
+api.add_resource(HelloWorld, '/')
+api.add_resource(User, '/user/<string:username>')
+api.add_resource(UserList, '/users')
+
+if __name__ == '__main__':
+    app.run(debug=True)

raw_main.py

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+from flask import Flask, jsonify, request
+
+app = Flask(__name__)
+
+user_list = [
+    {
+        'username': 'abc',
+        'password': 'abc'
+    },
+    {
+        'username': '123',
+        'password': '123'
+    }
+]
+
+@app.route('/')
+def helloworld():
+    return "hello world"
+
+@app.route('/users', methods=['GET'])
+def get_user():
+    return jsonify(user_list)
+
+@app.route('/user', methods=['POST'])
+def create_user():
+    user = request.get_json()
+    user_check = list(
+        filter(
+            lambda x: user.get('username') == x['username'],
+            user_list
+        )
+    )
+    if not user_check:
+        user_list.append(user)
+        return jsonify({
+            'message': 'user created'
+        })
+    else:
+        return jsonify({
+            'message': 'user exist'
+        })
+
+@app.route('/user/<username>', methods=['DELETE', 'PUT'])
+def delete_user(username):
+    user_find = None
+    for user in user_list:
+        if user['username'] == username:
+            user_find = user
+    if not user_find:
+        return jsonify({
+                'message': 'user not found'
+            })
+    if request.method == 'DELETE':
+        user_list.remove(user_find)
+        return jsonify({
+            "message": "user deleted"
+        })
+    elif request.method == 'PUT':
+        # new_passwd = {"password": "xxxxx"}
+        new_password = request.get_json()
+        user_list.remove(user_find)
+        user_list.append({
+            'username': username,
+            'password': new_password['password']
+        })
+        return jsonify({
+            'message': 'user password updated'
+        })
+
+if __name__ == "__main__":
+    app.run(debug=True)

requirements.txt

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+aniso8601==7.0.0
+astroid==2.2.5
+Click==7.0
+Flask==1.1.1
+Flask-RESTful==0.3.7
+isort==4.3.21
+itsdangerous==1.1.0
+Jinja2==2.10.1
+lazy-object-proxy==1.4.1
+MarkupSafe==1.1.1
+mccabe==0.6.1
+pylint==2.3.1
+pytz==2019.1
+six==1.12.0
+typed-ast==1.4.0
+Werkzeug==0.15.5
+wrapt==1.11.2