diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/error_code.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/error_code.json"
index b4f7902b351024ae2531bb964515947c0d06dba1..c1a5010d15ead5e56514f065912bad18d968e0e0 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/error_code.json"
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/error_code.json"
@@ -1,17 +1,8 @@
{
- "one_line": {
- "ErrorCode.internal_ret_2_http(error_code)": [
- "str(error_code)"
- ],
- "ErrorCode(Enum)": [
- "ErrorCode(object)"
- ],
- "ret['err'].name.lower()": [
- "ret['err'].name"
- ]
- },
- "source": "error_code.py",
+ "source": "error_code.md",
"depends": [],
"exercise_id": 153,
- "type": "code_options"
+ "type": "code_options",
+ "author": "huanhuilong",
+ "notebook_enable": true
}
\ No newline at end of file
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/error_code.md" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/error_code.md"
new file mode 100644
index 0000000000000000000000000000000000000000..72abdc5d8d50da4f190a7ec918e65a9be5d2a481
--- /dev/null
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/error_code.md"
@@ -0,0 +1,91 @@
+# 错误码处理
+
+编写一个错误码枚举，支持转换成字符串格式方法： internal_ret_2_http
+
+```python
+# -*- coding: UTF-8 -*-
+from enum import Enum
+
+class ErrorCode(Enum):
+ # TODO(You): 请在此定义错误码
+
+ @staticmethod
+ def internal_ret_2_http(ret):
+ ret['err'] = ret['err'].name.lower()
+
+if __name__ == '__main__':
+ ret = {'err': ErrorCode.NOT_FOUND}
+ ErrorCode.internal_ret_2_http(ret)
+ assert ret['err'] == 'not_found'
+```
+
+以下对错误码定义 **正确** 的是？。
+
+## template
+
+```python
+from enum import Enum
+
+
+class ErrorCode(Enum):
+ SUCCESS = 0
+ FAILED = 1
+ NOT_FOUND = 2
+ ALREADY_EXIST = 3
+ INVALID_PARAMETERS = 4
+
+ @staticmethod
+ def internal_ret_2_http(ret):
+ ret['err'] = ret['err'].name.lower()
+
+if __name__ == '__main__':
+ ret = {'err': ErrorCode.NOT_FOUND}
+ ErrorCode.internal_ret_2_http(ret)
+ assert ret['err'] == 'not_found'
+```
+
+## 答案
+
+```python
+class ErrorCode(Enum):
+ SUCCESS = 0
+ FAILED = 1
+ NOT_FOUND = 2
+ ALREADY_EXIST = 3
+ INVALID_PARAMETERS = 4
+```
+
+## 选项
+
+### A
+
+```python
+class ErrorCode(Enum):
+ SUCCESS: 0
+ FAILED: 1
+ NOT_FOUND: 2
+ ALREADY_EXIST: 3
+ INVALID_PARAMETERS: 4
+```
+
+### B
+
+```python
+class ErrorCode(Enum):
+ SUCCESS
+ FAILED
+ NOT_FOUND
+ ALREADY_EXIST
+ INVALID_PARAMETERS
+```
+
+### C
+
+```python
+class ErrorCode(Enum):
+ 'SUCCESS' = 0
+ 'FAILED' = 1
+ 'NOT_FOUND' = 2
+ 'ALREADY_EXIST' = 3
+ 'INVALID_PARAMETERS' = 4
+```
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/router.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/router.json"
index f21403eda95baa96824060e50ac928840eed19ea..402047bef8f3b24e10d5475a86255985f8175f9b 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/router.json"
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/router.json"
@@ -1,22 +1,10 @@
{
- "one_line": {
- "req_path is None": [
- "req_path is not None"
- ],
- "self.routes.get(req_path) is None": [
- "self.routes.get(req_path) is not None"
- ],
- "handler(req), 200": [
- "self.routes.get(req_path)(req), 503"
- ],
- "lambda req:": [
- "lambda path, data:"
- ]
- },
- "source": "router.py",
+ "source": "router.md",
"depends": [
"error_code.py"
],
"exercise_id": 154,
- "type": "code_options"
+ "type": "code_options",
+ "author": "huanhuilong",
+ "notebook_enable": true
}
\ No newline at end of file
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/router.md" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/router.md"
new file mode 100644
index 0000000000000000000000000000000000000000..11f3d0851051a71a86b8c628ec52ea8d2d392216
--- /dev/null
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/router.md"
@@ -0,0 +1,225 @@
+# 路由器
+
+下面是一个 HTTP 状态代码的定义：
+
+* 2xx：成功
+ * 200 正常，请求已完成。
+ * 201 正常，紧接POST命令。
+ * 202 正常，已接受用于处理，但处理尚未完成。
+ * 203 正常，部分信息—返回的信息只是一部分。
+ * 204 正常，无响应—已接收请求，但不存在要回送的信息。
+* 3xx：重定向
+ * 301 已移动，请求的数据具有新的位置且更改是永久的。
+ * 302 已找到，请求的数据临时具有不同 URI。
+ * 303 请参阅其它，可在另一 URI 下找到对请求的响应，且应使用 GET 方法检索此响应。
+ * 304 未修改，未按预期修改文档。
+ * 305 使用代理，必须通过位置字段中提供的代理来访问请求的资源。
+ * 306 未使用，不再使用，保留此代码以便将来使用。
+* 4xx：客户机中出现的错误
+ * 400 错误请求，请求中有语法问题，或不能满足请求。
+ * 401 未授权，未授权客户机访问数据。
+ * 402 需要付款，表示计费系统已有效。
+ * 403 禁止，即使有授权也不需要访问。
+ * 404 找不到，服务器找不到给定的资源；文档不存在。
+ * 407 代理认证请求，客户机首先必须使用代理认证自身。
+ * 415 介质类型不受支持，服务器拒绝服务请求，因为不支持请求实体的格式。
+* 5xx：服务器中出现的错误
+ * 500 内部错误，因为意外情况，服务器不能完成请求。
+ * 501 未执行，服务器不支持请求的工具。
+ * 502 错误网关，服务器接收到来自上游服务器的无效响应。
+ * 503 无法获得服务，由于临时过载或维护，服务器无法处理请求。
+
+编写一个路由服务，支持注入路由配置，正确处理请求参数
+
+```python
+# -*- coding: UTF-8 -*-
+from error_code import ErrorCode
+import json
+import logging
+import traceback
+logger = logging.getLogger(__name__)
+
+class Router:
+ def __init__(self, routes) -> None:
+ self.routes = routes
+
+ def dispatch(self, http_request_str):
+ # TODO(You)： 请实现路由逻辑，返回符合语义的HTTP状态码
+
+if __name__ == '__main__':
+ # 注册路由
+ router = Router({
+ '/': lambda req: print(f'goto home:{str(req)}')
+ })
+
+ # 分发路由
+ router.dispatch(json.dumps({
+ 'path': '/',
+ 'data': ["Hello", "World!"]
+ }))
+```
+
+以下路由的逻辑代码都一样，请选出**HTTP状态码符合语义**的选项。
+
+## template
+
+```python
+from error_code import ErrorCode
+import json
+import logging
+import traceback
+logger = logging.getLogger(__name__)
+
+
+class Router:
+ def __init__(self, routes) -> None:
+ self.routes = routes
+
+ def dispatch(self, http_request_str):
+ ''' 实现一个路由器
+ http_request_str: 请求数据字符串，包含 {path:"",data:""}格式的JSON字符串
+ '''
+ assert http_request_str is not None
+ assert type(http_request_str) == type('')
+
+ req_path = None
+ req = None
+ try:
+ http_request = json.loads(http_request_str)
+ req_path = http_request.get('path')
+ req = http_request.get('data')
+ except Exception as e:
+ logger.error(f"parse data exception:{str(e)}")
+ return {'err': ErrorCode.INVALID_PARAMETERS}, 200
+
+ if req_path is None or self.routes.get(req_path) is None:
+ return {'err': ErrorCode.NOT_FOUND}, 404
+
+ try:
+ handler = self.routes.get(req_path)
+ return handler(req), 200
+ except Exception as e:
+ logger.error(f"route to '{req_path}' exception:{str(e)}")
+ logger.error(traceback.format_exc())
+ return {'err': ErrorCode.FAILED}, 500
+
+
+if __name__ == '__main__':
+ server = Router({
+ '/': lambda req: print(f'goto home:{str(req)}')
+ })
+ server.dispatch(json.dumps({
+ 'path': '/',
+ 'data': ["Hello", "World!"]
+ }))
+```
+
+## 答案
+
+```python
+class Router:
+ def dispatch(self, http_request_str):
+ req_path = None
+ req = None
+ try:
+ http_request = json.loads(http_request_str)
+ req_path = http_request.get('path')
+ req = http_request.get('data')
+ except Exception as e:
+ logger.error(f"parse data exception:{str(e)}")
+ return {'err': ErrorCode.INVALID_PARAMETERS}, 400
+
+ if req_path is None or self.routes.get(req_path) is None:
+ return {'err': ErrorCode.NOT_FOUND}, 404
+
+ try:
+ handler = self.routes.get(req_path)
+ return handler(req), 200
+ except Exception as e:
+ logger.error(f"route to '{req_path}' exception:{str(e)}")
+ logger.error(traceback.format_exc())
+ return {'err': ErrorCode.FAILED}, 500
+```
+
+## 选项
+
+### A
+
+```python
+class Router:
+ def dispatch(self, http_request_str):
+ req_path = None
+ req = None
+ try:
+ http_request = json.loads(http_request_str)
+ req_path = http_request.get('path')
+ req = http_request.get('data')
+ except Exception as e:
+ logger.error(f"parse data exception:{str(e)}")
+ return {'err': ErrorCode.INVALID_PARAMETERS}, 200
+
+ if req_path is None or self.routes.get(req_path) is None:
+ return {'err': ErrorCode.NOT_FOUND}, 200
+
+ try:
+ handler = self.routes.get(req_path)
+ return handler(req), 200
+ except Exception as e:
+ logger.error(f"route to '{req_path}' exception:{str(e)}")
+ logger.error(traceback.format_exc())
+ return {'err': ErrorCode.FAILED}, 200
+```
+
+### B
+
+```python
+class Router:
+ def dispatch(self, http_request_str):
+ req_path = None
+ req = None
+ try:
+ http_request = json.loads(http_request_str)
+ req_path = http_request.get('path')
+ req = http_request.get('data')
+ except Exception as e:
+ logger.error(f"parse data exception:{str(e)}")
+ return {'err': ErrorCode.INVALID_PARAMETERS}, 301
+
+ if req_path is None or self.routes.get(req_path) is None:
+ return {'err': ErrorCode.NOT_FOUND}, 404
+
+ try:
+ handler = self.routes.get(req_path)
+ return handler(req), 200
+ except Exception as e:
+ logger.error(f"route to '{req_path}' exception:{str(e)}")
+ logger.error(traceback.format_exc())
+ return {'err': ErrorCode.FAILED}, 500
+```
+
+### C
+
+```python
+class Router:
+ def dispatch(self, http_request_str):
+ req_path = None
+ req = None
+ try:
+ http_request = json.loads(http_request_str)
+ req_path = http_request.get('path')
+ req = http_request.get('data')
+ except Exception as e:
+ logger.error(f"parse data exception:{str(e)}")
+ return {'err': ErrorCode.INVALID_PARAMETERS}, 200
+
+ if req_path is None or self.routes.get(req_path) is None:
+ return {'err': ErrorCode.NOT_FOUND}, 200
+
+ try:
+ handler = self.routes.get(req_path)
+ return handler(req), 200
+ except Exception as e:
+ logger.error(f"route to '{req_path}' exception:{str(e)}")
+ logger.error(traceback.format_exc())
+ return {'err': ErrorCode.FAILED}, 500
+```
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/server.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/server.json"
index 947951402f1289f75ec45afd78a96963dee809f8..a8bc78ea524388b4521cd8123ece02b9a35e1ae7 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/server.json"
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/server.json"
@@ -1,16 +1,5 @@
{
- "one_line": {
- "'/kv/create': self.__create": [
- "'/kv/create': self.__remove"
- ],
- "ErrorCode.internal_ret_2_http(ret)": [
- "ret.internal_ret_2_http()"
- ],
- "self.validator.validate(req, ['key', 'value'])": [
- "self.validator.validate(req, ['key'])"
- ]
- },
- "source": "server.py",
+ "source": "server.md",
"depends": [
"error_code.py",
"store.py",
@@ -18,5 +7,7 @@
"validator.py"
],
"exercise_id": 152,
- "type": "code_options"
+ "type": "code_options",
+ "author": "huanhuilong",
+ "notebook_enable": true
}
\ No newline at end of file
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/server.md" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/server.md"
new file mode 100644
index 0000000000000000000000000000000000000000..61ce752cf1c95e5b7593929e80765bdd1df4d2fa
--- /dev/null
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/server.md"
@@ -0,0 +1,249 @@
+# Python Web 服务模拟器
+
+综合使用前2节的ErrorCode、Router两个类，模拟一个 Web 服务，支持：
+
+1. 创建资源
+2. 删除资源
+3. 统计资源个数
+
+那么，先创建一个资源，接着删除同一个资源，最后统计资源个数，总数应该为0
+
+```python
+# -*- coding: UTF-8 -*-
+from error_code import ErrorCode
+from store import Store
+from router import Router
+from validator import KeyValueValidator
+import json
+import logging
+import traceback
+logger = logging.getLogger(__name__)
+
+class App:
+ def __init__(self) -> None:
+ self.store = Store({})
+ self.validator = KeyValueValidator()
+
+ # 创建一个路由器，支持3个目标API
+ self.router = Router({
+ '/': lambda req: self.__home(req),
+ '/kv/create': lambda req: self.__create(req),
+ '/kv/remove': lambda req: self.__remove(req),
+ '/kv/count': lambda req: self.__count(req),
+ })
+
+ def post(self, path, data):
+ '''HTTP POST方法模拟实现
+ path: 请求路径
+ data: 请求数据，使用JSON模拟
+ '''
+ # TODO(You): 请正确实现 post 方法，接受 API 请求
+
+ return resp, status_code
+
+ def __home(self, req):
+ # 首页
+ return {'err': ErrorCode.SUCCESS, 'result': "Welcome!"}
+
+ def __create(self, req):
+ # 创建资源
+ ret = self.validator.validate(req, ['key', 'value'])
+ if ret['err'] != ErrorCode.SUCCESS:
+ return ret
+
+ return self.store.create(req['key'], req['value'])
+
+ def __remove(self, req):
+ # 移除资源
+ ret = self.validator.validate(req, ['key', 'condition'])
+ if ret['err'] != ErrorCode.SUCCESS:
+ return ret
+
+ return self.store.remove(req['key'], req['condition'])
+
+ def __count(self, req):
+ # 统计资源个数
+ return self.store.count()
+
+
+if __name__ == '__main__':
+ app = App()
+
+ resp, status = app.post('/kv/create', {
+ 'key': 'test',
+ 'value': 1000,
+ })
+
+ resp, status = app.post('/kv/remove', {
+ 'key': 'test',
+ 'condition': 1000,
+ })
+
+ resp, status = app.post('/kv/count', {})
+ assert status == 200
+ assert json.loads(resp)['err'] == 'success'
+ assert json.loads(resp)['result'] == 0
+```
+
+以下对 post 方法的实现，**正确并且最佳**的代码是？
+
+## template
+
+```python
+from error_code import ErrorCode
+from store import Store
+from router import Router
+from validator import KeyValueValidator
+
+import json
+import logging
+import traceback
+logger = logging.getLogger(__name__)
+
+
+class App:
+ def __init__(self) -> None:
+ self.store = Store({})
+ self.validator = KeyValueValidator()
+ self.router = Router({
+ '/': self.__home,
+ '/kv/create': self.__create,
+ '/kv/remove': self.__remove,
+ '/kv/count': self.__count,
+ })
+
+ def post(self, path, data):
+ http_request = {
+ 'path': path,
+ 'data': data
+ }
+ ret, status_code = self.router.dispatch(json.dumps(http_request))
+ ErrorCode.internal_ret_2_http(ret)
+ resp = ""
+ try:
+ resp = json.dumps(ret)
+ except Exception as e:
+ logger.error("parse resp exception:%s", str(e))
+ logger.error(traceback.format_exc())
+
+ return resp, status_code
+
+ def __home(self, req):
+ return {'err': ErrorCode.SUCCESS, 'result': "Welcome!"}
+
+ def __create(self, req):
+ ret = self.validator.validate(req, ['key', 'value'])
+ if ret['err'] != ErrorCode.SUCCESS:
+ return ret
+
+ return self.store.create(req['key'], req['value'])
+
+ def __remove(self, req):
+ ret = self.validator.validate(req, ['key', 'condition'])
+ if ret['err'] != ErrorCode.SUCCESS:
+ return ret
+
+ return self.store.remove(req['key'], req['condition'])
+
+ def __count(self, req):
+ return self.store.count()
+
+
+if __name__ == '__main__':
+ app = App()
+
+ resp, status = app.post('/kv/create', {
+ 'key': 'test',
+ 'value': 1000,
+ })
+
+ resp, status = app.post('/kv/remove', {
+ 'key': 'test',
+ 'condition': 1000,
+ })
+
+ resp, status = app.post('/kv/count', {})
+ assert status == 200
+ assert json.loads(resp)['err'] == 'success'
+ assert json.loads(resp)['result'] == 0
+```
+
+## 答案
+
+```python
+class App:
+ ...
+ def post(self, path, data):
+ http_request = {
+ 'path': path,
+ 'data': data
+ }
+ ret, status_code = self.router.dispatch(json.dumps(http_request))
+ ErrorCode.internal_ret_2_http(ret)
+ resp = ""
+ try:
+ resp = json.dumps(ret)
+ except Exception as e:
+ logger.error("parse resp exception:%s", str(e))
+ logger.error(traceback.format_exc())
+ return resp, status_code
+```
+
+## 选项
+
+### A
+
+```python
+class App:
+ ...
+ def post(self, path, data):
+ http_request = {
+ 'path': path,
+ 'data': data
+ }
+ ret, status_code = self.router.dispatch(http_request)
+ ErrorCode.internal_ret_2_http(ret)
+ resp = ""
+ try:
+ resp = json.dumps(ret)
+ except Exception as e:
+ logger.error("parse resp exception:%s", str(e))
+ logger.error(traceback.format_exc())
+ return resp, status_code
+```
+
+### B
+
+```python
+class App:
+ ...
+ def post(self, path, data):
+ http_request = {
+ 'path': path,
+ 'data': data
+ }
+ ret, status_code = self.router.dispatch(json.dumps(http_request))
+ resp = ""
+ try:
+ resp = json.dumps(ret)
+ except Exception as e:
+ logger.error("parse resp exception:%s", str(e))
+ logger.error(traceback.format_exc())
+ return resp, status_code
+```
+
+### C
+
+```python
+class App:
+ ...
+ def post(self, path, data):
+ http_request = {
+ 'path': path,
+ 'data': data
+ }
+ ret, status_code = self.router.dispatch(json.dumps(http_request))
+ ErrorCode.internal_ret_2_http(ret)
+ resp = json.dumps(ret)
+ return resp, status_code
+```
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/store.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/store.json"
index a2c641b15456579b199763d686ee381615b20632..79fa49b84e20d0202050f48a7a9a60a04e154609 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/store.json"
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/store.json"
@@ -1,19 +1,10 @@
{
- "one_line": {
- "self.records.get(key) is None": [
- "self.records.get(key) is not None"
- ],
- "'result': len(self.records.keys())": [
- "'result': len(self.records)"
- ],
- "self.records.get(key) == condition": [
- "self.records.get(key) != condition"
- ]
- },
- "source": "store.py",
+ "source": "store.md",
"depends": [
"error_code.py"
],
"exercise_id": 150,
- "type": "code_options"
+ "type": "code_options",
+ "author": "huanhuilong",
+ "notebook_enable": true
}
\ No newline at end of file
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/store.md" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/store.md"
new file mode 100644
index 0000000000000000000000000000000000000000..f0b1ded57b705c217d3bb818bb7b3d1dc2b0ba59
--- /dev/null
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/store.md"
@@ -0,0 +1,187 @@
+# 状态存储
+
+使用dict数据结构，实现创建、删除、查询总数存储接口，创建/删除同一个资源后，总是应该为0
+
+```python
+# -*- coding: UTF-8 -*-
+from error_code import ErrorCode
+import logging
+logger = logging.getLogger(__name__)
+
+class Store:
+ def __init__(self, config) -> None:
+ self.config = config
+ self.records = {}
+
+ def __where(self, key, condition):
+ if condition is None:
+ return True
+ return self.records.get(key) == condition
+
+ def create(self, key, value):
+ if self.records.get(key) is None:
+ self.records[key] = value
+ return {'err': ErrorCode.SUCCESS}
+ else:
+ return {'err': ErrorCode.ALREADY_EXIST}
+
+ def update(self, key, value, condition=None):
+ if self.__where(key, condition):
+ self.records[key] = value
+ return {'err': ErrorCode.SUCCESS}
+ else:
+ return {'err': ErrorCode.NOT_FOUND}
+
+ def remove(self, key, condition=None):
+ if self.__where(key, condition):
+ del self.records[key]
+ return {'err': ErrorCode.SUCCESS}
+ else:
+ return {'err': ErrorCode.NOT_FOUND}
+
+ def count(self):
+ return {'err': ErrorCode.SUCCESS, 'result': len(self.records.keys())}
+
+ def fetch(self, key, condition=None):
+ # TODO(You): 请实现一个根据key 和条件 condition 查找的方法
+
+
+if __name__ == '__main__':
+ store = Store({})
+ ret = store.create("test", 100)
+ assert ret['err'] == ErrorCode.SUCCESS
+
+ ret = store.remove("test")
+ assert ret['err'] == ErrorCode.SUCCESS
+ ret = store.count()
+ assert ret['err'] == ErrorCode.SUCCESS
+ assert ret['result'] == 0
+```
+
+请选出下列能**正确**实现这一功能的选项。
+
+## template
+
+```python
+from error_code import ErrorCode
+import logging
+logger = logging.getLogger(__name__)
+
+
+class Store:
+ def __init__(self, config) -> None:
+ self.config = config
+ self.records = {}
+
+ def __where(self, key, condition):
+ if condition is None:
+ return True
+ return self.records.get(key) == condition
+
+ def create(self, key, value):
+ if self.records.get(key) is None:
+ self.records[key] = value
+ return {'err': ErrorCode.SUCCESS}
+ else:
+ return {'err': ErrorCode.ALREADY_EXIST}
+
+ def update(self, key, value, condition=None):
+ if self.__where(key, condition):
+ self.records[key] = value
+ return {'err': ErrorCode.SUCCESS}
+ else:
+ return {'err': ErrorCode.NOT_FOUND}
+
+ def remove(self, key, condition=None):
+ if self.__where(key, condition):
+ del self.records[key]
+ return {'err': ErrorCode.SUCCESS}
+ else:
+ return {'err': ErrorCode.NOT_FOUND}
+
+ def count(self):
+ return {'err': ErrorCode.SUCCESS, 'result': len(self.records.keys())}
+
+ def fetch(self, key, condition=None):
+ if self.__where(key, condition):
+ result = self.records.get(key)
+ if result is None:
+ return {'err': ErrorCode.NOT_FOUND}
+ else:
+ return {'err': ErrorCode.SUCCESS, 'result': [result]}
+ else:
+ return {'err': ErrorCode.NOT_FOUND}
+
+
+if __name__ == '__main__':
+ store = Store({})
+ ret = store.create("test", 100)
+ assert ret['err'] == ErrorCode.SUCCESS
+
+ ret = store.remove("test")
+ assert ret['err'] == ErrorCode.SUCCESS
+ ret = store.count()
+ assert ret['err'] == ErrorCode.SUCCESS
+ assert ret['result'] == 0
+```
+
+## 答案
+
+```python
+class Store:
+ ...
+ def fetch(self, key, condition=None):
+ if self.__where(key, condition):
+ result = self.records.get(key)
+ if result is None:
+ return {'err': ErrorCode.NOT_FOUND}
+ else:
+ return {'err': ErrorCode.SUCCESS, 'result': [result]}
+ else:
+ return {'err': ErrorCode.NOT_FOUND}
+```
+
+## 选项
+
+### A
+
+```python
+class Store:
+ ...
+ def fetch(self, key, condition=None):
+ result = self.records.get(key)
+ if result is None:
+ return {'err': ErrorCode.NOT_FOUND}
+ else:
+ return {'err': ErrorCode.SUCCESS, 'result': [result]}
+
+```
+
+### B
+
+```python
+class Store:
+ ...
+ def fetch(self, key, condition=None):
+ if self.__where(key, condition):
+ result = self.records.get(key)
+ return {'err': ErrorCode.SUCCESS, 'result': [result]}
+ else:
+ return {'err': ErrorCode.NOT_FOUND}
+```
+
+### C
+
+```python
+class Store:
+ ...
+ def fetch(self, key, condition=None):
+ if self.__where(key, condition):
+ result = self.records[key]
+ if result is None:
+ return {'err': ErrorCode.NOT_FOUND}
+ else:
+ return {'err': ErrorCode.SUCCESS, 'result': [result]}
+ else:
+ return {'err': ErrorCode.NOT_FOUND}
+```
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/validator.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/validator.json"
index f6c95e0b480f09cd42ee5184b7c02f613a451622..95e2fafe800dc9e6001f14b85ecaa0f292a38ca7 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/validator.json"
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/validator.json"
@@ -1,19 +1,10 @@
{
- "one_line": {
- "\"key\": {\"type\": \"string\"},": [
- "\"key\": {\"type\": \"number\"},"
- ],
- "\"required\": required": [
- "\"required\": req"
- ],
- "\"value\": {\"type\": \"number\"}": [
- "\"value\": {\"type\": [\"number\",\"string\"]}"
- ]
- },
- "source": "validator.py",
+ "source": "validator.md",
"depends": [
"error_code.py"
],
"exercise_id": 151,
- "type": "code_options"
+ "type": "code_options",
+ "author": "huanhuilong",
+ "notebook_enable": true
}
\ No newline at end of file
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/validator.md" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/validator.md"
new file mode 100644
index 0000000000000000000000000000000000000000..ebf085b15efccbaf1ccffc7f53a5a665654820bf
--- /dev/null
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/validator.md"
@@ -0,0 +1,168 @@
+# 参数校验
+
+使用 jsonschema 校验参数，key:字符串类型, value:数字, condition: 数字
+
+```python
+# -*- coding: UTF-8 -*-
+from error_code import ErrorCode
+from jsonschema import validate
+import json
+import logging
+import traceback
+logger = logging.getLogger(__name__)
+
+class KeyValueValidator:
+ def __init__(self) -> None:
+ pass
+
+ def validate(self, req, required):
+ '''使用jsonschema校验参数
+ req: 请求参数
+ required： 必须要有的字段
+ '''
+ # TODO(You): 请正确配置 jsonschema
+ schema = ...
+
+ try:
+ validate(instance=req, schema=schema)
+ return {
+ 'err': ErrorCode.SUCCESS
+ }
+ except Exception as e:
+ logger.error(f"validate exception:{str(e)}")
+ logger.error(traceback.format_exc())
+ return {
+ 'err': ErrorCode.INVALID_PARAMETERS
+ }
+
+
+if __name__ == '__main__':
+ v = KeyValueValidator()
+
+ ret = v.validate({'key': "test", 'value': 100}, ['key', 'value'])
+ assert ret['err'] == ErrorCode.SUCCESS
+ ret = v.validate({'key': "test"}, ['key', 'value'])
+ assert ret['err'] == ErrorCode.INVALID_PARAMETERS
+```
+
+以下对方法 validate 里 jsonschema 配置正确的是？
+
+## template
+
+```python
+from error_code import ErrorCode
+from jsonschema import validate
+import json
+import logging
+import traceback
+logger = logging.getLogger(__name__)
+
+
+class KeyValueValidator:
+ def __init__(self) -> None:
+ pass
+
+ def validate(self, req, required):
+ schema = {
+ "type": "object",
+ "properties": {
+ "key": {"type": "string"},
+ "value": {"type": "number"},
+ "condition": {"type": "number"},
+ },
+ "required": required
+ }
+
+ try:
+ validate(instance=req, schema=schema)
+ return {
+ 'err': ErrorCode.SUCCESS
+ }
+ except Exception as e:
+ logger.error(f"validate exception:{str(e)}")
+ logger.error(traceback.format_exc())
+ return {
+ 'err': ErrorCode.INVALID_PARAMETERS
+ }
+
+
+if __name__ == '__main__':
+ v = KeyValueValidator()
+
+ ret = v.validate({'key': "test", 'value': 100}, ['key', 'value'])
+ assert ret['err'] == ErrorCode.SUCCESS
+ ret = v.validate({'key': "test"}, ['key', 'value'])
+ assert ret['err'] == ErrorCode.INVALID_PARAMETERS
+```
+
+## 答案
+
+```python
+class KeyValueValidator:
+ ...
+ def validate(self, req, required):
+ schema = {
+ "type": "object",
+ "properties": {
+ "key": {"type": "string"},
+ "value": {"type": "number"},
+ "condition": {"type": "number"},
+ },
+ "required": required
+ }
+ ...
+```
+
+## 选项
+
+### A
+
+```python
+class KeyValueValidator:
+ ...
+ def validate(self, req, required):
+ schema = {
+ "properties": {
+ "key": {"type": "string"},
+ "value": {"type": "number"},
+ "condition": {"type": "number"},
+ },
+ "required": required
+ }
+ ...
+```
+
+### B
+
+```python
+class KeyValueValidator:
+ ...
+ def validate(self, req, required):
+ schema = {
+ "type": "object",
+ "properties": {
+ "key": {"type": "string"},
+ "value": {"type": "number"},
+ "condition": {"type": "number"},
+ }
+ }
+ ...
+```
+
+### C
+
+```python
+class KeyValueValidator:
+ ...
+ def validate(self, req, required):
+ schema = {
+ "type": "object",
+ "properties": {
+ "key": {"type": "number"},
+ "value": {"type": "number"},
+ "condition": {"type": "number"},
+ },
+ "required": required
+ }
+ ...
+```
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/howto.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/howto.json"
index 29d94be22c1c72d48d25d6f67ea12ed874764cfb..cfd0ba2041b2d7f4a1777f3c77aa4f6dc65c55d1 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/howto.json"
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/howto.json"
@@ -1,20 +1,8 @@
{
- "one_line": {
- "pip install django": [
- "pip install dango"
- ],
- "django-admin": [
- "django_admin"
- ],
- "startproject": [
- "project"
- ],
- "startapp": [
- "app"
- ]
- },
- "source": "howto.py",
+ "source": "howto.md",
"depends": [],
"exercise_id": 104,
- "type": "code_options"
+ "type": "code_options",
+ "author": "huanhuilong",
+ "notebook_enable": true
}
\ No newline at end of file
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/howto.md" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/howto.md"
new file mode 100644
index 0000000000000000000000000000000000000000..70d274c640b0f1f8261b589846de16b12337bd55
--- /dev/null
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/howto.md"
@@ -0,0 +1,70 @@
+# Python Django 框架
+
+自己动手，丰衣足食，打印 Django 教程的入口信息
+
+```python
+# -*- coding: UTF-8 -*-
+if __name__ == '__main__':
+
+ # TODO(You): 请在此添加创建django项目和初始化目录的命令
+ create_django = ...
+ init_django = ...
+
+ installs = [
+ "安装：pip install django",
+ f"创建django项目命令：{create_django}",
+ "进入目录：cd projectName",
+ f"初始化django项目命令：{init_django}",
+ "进一步查看教程：https://docs.djangoproject.com/zh-hans/3.2/"
+ ]
+ for step in installs:
+ print(step)
+```
+
+以下正确赋值创建django项目和初始化目录的命令的代码是？
+
+## template
+
+```python
+
+if __name__ == '__main__':
+ installs = [
+ "安装：pip install django",
+ "初始化：django-admin startproject projectName",
+ "进入目录：cd projectName",
+ "初始化：python manage.py startapp projectApp",
+ "进一步查看教程：https://docs.djangoproject.com/zh-hans/3.2/"
+ ]
+ for step in installs:
+ print(step)
+```
+
+## 答案
+
+```python
+create_django = 'django-admin startproject projectName'
+init_django = 'python manage.py startapp projectApp'
+```
+
+## 选项
+
+### A
+
+```python
+create_django = 'django startproject projectName'
+init_django = 'django startapp projectApp'
+```
+
+### B
+
+```python
+create_django = 'python manage.py startproject projectName'
+init_django = 'python manage.py startapp projectApp'
+```
+
+### C
+
+```python
+create_django = 'django-admin startproject projectName'
+init_django = 'django-admin startapp projectApp'
+```
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/hello.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/hello.json"
index 96678aed921791a08cfe22abfeaaaf836842cee5..211ab7bde9cd7c1696ab375df96c6c50d569bf8a 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/hello.json"
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/hello.json"
@@ -1,18 +1,8 @@
{
- "one_line": {
- "start()": [
- "listen()",
- "accept()"
- ],
- "app.listen(8000)": [
- "app.listen(80)"
- ],
- "self.write": [
- "self.read"
- ]
- },
- "source": "hello.py",
+ "source": "hello.md",
"depends": [],
"exercise_id": 106,
- "type": "code_options"
+ "type": "code_options",
+ "author": "huanhuilong",
+ "notebook_enable": true
}
\ No newline at end of file
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/hello.md" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/hello.md"
new file mode 100644
index 0000000000000000000000000000000000000000..212e40ff989a3aa1469e76283e0b69aa473957ac
--- /dev/null
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/hello.md"
@@ -0,0 +1,86 @@
+# Python tornado 框架
+
+tornado 服务，极简路由
+
+```python
+# -*- coding: UTF-8 -*-
+import tornado.web
+import tornado.ioloop
+
+class IndexHandler(tornado.web.RequestHandler):
+ """主路由处理类"""
+
+ def get(self):
+ """对应http的get请求方式"""
+ # TODO(You): 实现Tornado get 方法
+
+if __name__ == "__main__":
+ app = tornado.web.Application([
+ (r"/", IndexHandler),
+ ])
+ app.listen(8000)
+
+ print("* Tornado Web Server 已在 8000 端口启动。")
+ print("* 请在浏览器里输入 127.0.0.1:8000")
+ tornado.ioloop.IOLoop.current().start()
+```
+
+请选出下列能**正确**实现这一功能的选项。
+
+## template
+
+```python
+import tornado.web
+import tornado.ioloop
+
+
+class IndexHandler(tornado.web.RequestHandler):
+ """主路由处理类"""
+
+ def get(self):
+ """对应http的get请求方式"""
+ self.write("Hello Tornado!")
+
+if __name__ == "__main__":
+ app = tornado.web.Application([
+ (r"/", IndexHandler),
+ ])
+ app.listen(8000)
+ print("* Tornado Web Server 已在 8000 端口启动。")
+ print("* 请在浏览器里输入 127.0.0.1:8000")
+ tornado.ioloop.IOLoop.current().start()
+```
+
+## 答案
+
+```python
+class IndexHandler(tornado.web.RequestHandler):
+ def get(self):
+ self.write("Hello Tornado!")
+```
+
+## 选项
+
+### A
+
+```python
+class IndexHandler(tornado.web.RequestHandler):
+ def get(self):
+ return "Hello Tornado!"
+```
+
+### B
+
+```python
+class IndexHandler(tornado.web.RequestHandler):
+ def get(self):
+ self.write("Hello Tornado!", 200)
+```
+
+### C
+
+```python
+class IndexHandler(tornado.web.RequestHandler):
+ def get(self):
+ self.write_error("Hello Tornado!", 500)
+```
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/server.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/server.json"
index bbbe0053640989dfbaa1e30dfe19e19487b3bc3a..3dfd5431840c3a7de21df848d8a89ed36f36afbc 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/server.json"
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/server.json"
@@ -1,17 +1,8 @@
{
- "one_line": {
- "pywsgi.WSGIServer((host, port), app)": [
- "pywsgi.WSGIServer(host, port, app)"
- ],
- "server.serve_forever()": [
- "server.start()"
- ],
- "methods=['GET']": [
- "methods=[GET]"
- ]
- },
- "source": "server.py",
+ "source": "server.md",
"depends": [],
"exercise_id": 212,
- "type": "code_options"
+ "type": "code_options",
+ "author": "huanhuilong",
+ "notebook_enable": true
}
\ No newline at end of file
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/server.md" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/server.md"
new file mode 100644
index 0000000000000000000000000000000000000000..efca179fd20ebc8b2ed7cccbe3e08e908b9f8e46
--- /dev/null
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/server.md"
@@ -0,0 +1,119 @@
+# Flask简单使用
+
+用flask启动web服务，响应根页面HTTP GET请求：`'/'`，返回`"Hello World!
"`
+
+```python
+# -*- coding: UTF-8 -*-
+import sys
+from flask import Flask
+from flask_cors import CORS
+from gevent import pywsgi, monkey
+
+monkey.patch_all()
+
+app = Flask(
+ __name__,
+ static_folder='web',
+ static_url_path=''
+)
+
+def after_request(resp):
+ resp.headers['Access-Control-Allow-Origin'] = '*'
+ return resp
+
+app.after_request(after_request)
+app.config['JSON_AS_ASCII'] = False
+CORS(app, supports_credentials=True)
+
+# TODO(You): 请在此添加Flask API响应
+
+if __name__ == '__main__':
+ host = '127.0.0.1'
+ port = 1024
+ print('@启动服务...')
+ print("@本地调试：http://{}:{}".format(host, port))
+ if len(sys.argv) > 1 and sys.argv[1] == 'debug':
+ app.run(host=host, port=port)
+ else:
+ server = pywsgi.WSGIServer((host, port), app)
+ server.serve_forever()
+```
+
+请选出下列能**正确**实现这一功能的选项。
+
+## template
+
+```python
+import sys
+from flask import Flask
+from flask_cors import CORS
+from gevent import pywsgi, monkey
+
+monkey.patch_all()
+
+app = Flask(
+ __name__,
+ static_folder='web',
+ static_url_path=''
+)
+
+
+def after_request(resp):
+ resp.headers['Access-Control-Allow-Origin'] = '*'
+ return resp
+
+
+app.after_request(after_request)
+app.config['JSON_AS_ASCII'] = False
+CORS(app, supports_credentials=True)
+
+
+@app.route('/', methods=['GET'])
+def home():
+ return "Hello World!
"
+
+if __name__ == '__main__':
+ host = '127.0.0.1'
+ port = 1024
+ print('@启动服务...')
+ print("@本地调试：http://{}:{}".format(host, port))
+ if len(sys.argv) > 1 and sys.argv[1] == 'debug':
+ app.run(host=host, port=port)
+ else:
+ server = pywsgi.WSGIServer((host, port), app)
+ server.serve_forever()
+```
+
+## 答案
+
+```python
+@app.route('/', methods=['GET'])
+def home():
+ return "Hello World!
"
+```
+
+## 选项
+
+### A
+
+```python
+@app.route('/', methods=['POST'])
+def home():
+ return "Hello World!
"
+```
+
+### B
+
+```python
+@app.route('/', methods=['GET'])
+def home():
+ return "Hello World!"
+```
+
+### C
+
+```python
+@app.route('/')
+def home():
+ return "Hello World!
"
+```
diff --git a/main.py b/main.py
index 3242314687bdabdeb2f8bcf29a2c4f537c1db13f..93af896ccc1c486d09218a779527399498546a80 100644
--- a/main.py
+++ b/main.py
@@ -9,5 +9,5 @@ if __name__ == '__main__':
# walker = TreeWalker("data", "python", "python")
# walker.walk()
- md = MDWalker('data/2.python中阶/1.基本技能')
+ md = MDWalker('data/2.python中阶/2.Web应用开发')
md.walk()