A light library to build tiny websites

Overview

WebNew - v0.1.1 - __init__.py

A light library to build tiny websites 一个用于搭建轻量级网站的库

对象:

(mappings,
WebApp,
Function,
DefaultSite)

1.mappings: 网站的所有站点储存,返回一个元组, 包含所有站点的定位符及其对应的类。(在v0.10版本 mappings为一个变量,故将其纳入对象行列

示例:
from webnew import *
site('Hello')  # 以GET访问 / 时,返回'Hello'
class greet: GET = lambda self: 'Hi, I\'m John.'  # 定义greet类的GET方法
newSite(greet, '/greet')   # 以GET访问 /greet 时,调用greet的GET方法,返回'Hi, I\'m John.'
print(mappings())  # 打印所有站点信息
输出:

('/', 'DefaultSite', '/greet', 'greet')

2.WebApp: 网站对应的App,是web.applaction对象。

示例:
from webnew import *
site('Hello')  # 以GET访问 / 时,返回'Hello'
reset()  # 更新WebApp的值
WebApp.run(globals())  # 运行WebApp
输出:

浏览 localhost:8080/ ,显示 Hello。

3.Function:函数类型,即 type(lambda: ...)

4.DefaultSite:网站的默认站点类,一般用于定义 /index ,建议通过调用 site() 方法设置。

方法:

1.site()

site( 
    _get: Union[object, Function] = lambda self: ...,
    _post: Union[object, Function] = lambda self: ...,
    mapping: str = '/'
) -> None

用法 :用于创建默认站点,一般用于定义网站的/index。 参数_get:当以GET访问时,调用的方法,值为一个函数,该函数需带一个 self 参数,若值为object,则在访问时直接返回该值。

_post:当以POST访问时,调用的方法,值为一个函数,该函数需带一个 self 参数,若值为object,则在访问时直接返回该值。

mapping:应为一个正则表达式,默认为'/',代表访问该站点时的接口,正则表达式所匹配的内容将会分组传入 _ge t和 _post 的参数。

示例1:
from webnew import *
site('Hello, GET.', 'Hello, POST.')  # 分别设置GET和POST的返回值
run(globals())  # 运行服务器
输出:

浏览或以GET访问 localhost:8080/ ,显示 Hello, GET. 。 以POSt访问 localhost:8080/ ,显示 Hello, POST. 。

示例2:
from webnew import *
site(lambda self, name: f'Hello, {name}.', mapping='/(.+)')  # 以GET访问/(.+)时,(.+)所匹配的内容会传入name参数再返回
run(globals())  # 运行服务器
输出:

浏览或以GET访问 localhost:8080/Tom ,显示 Hello, Tom. ,可以修改 /Tom 的值再次尝试 。

2.newSite()

newSite( 
    class_, 
    mapping: str = '/'
) -> None

用法 :用于创建新的站点,原理为调用传入类里的 GET 和 POST 方法。 参数class_:应为一个类,至少包含 GET 和 POST 方法中的一个用于处理GET和POST请求,至少需带一个 self 参数。

mapping:应为一个正则表达式,默认为'/',代表访问该站点时的接口,正则表达式所匹配的内容将会分组传入 class_ 的 GET 和 POST 的参数。

示例1:
from webnew import *
class index:  # 定义index类
    GET = lambda self: 'Hello, GET.'  # 当以GET访问时返回
    POST = lambda self: 'Hello, POST.'  # 当以POST访问时返回
newSite(index)  # 创建站点
run(globals())  # 运行服务器
输出:

浏览或以GET访问 localhost:8080/ ,显示 Hello, GET. 。 以POSt访问 localhost:8080/ ,显示 Hello, POST. 。

示例2:

请传入文件路径

') # 站点 / :返回提示HTML class open_file: # 站点类 def GET(self, path): # GET方法,path为匹配的文件地址 try: return open(path, encoding='utf-8') # 返回utf-8打开文件的内容 except Exception as e: return f'

{e}

' # 提示打开文件出错 newSite(open_file, '/(.+)') # 新建站点 /(.+) ,对应open_file类 run(globals()) # 运行服务器">
from webnew import *
site('
  

请传入文件路径

'
) # 站点 / :返回提示HTML class open_file: # 站点类 def GET(self, path): # GET方法,path为匹配的文件地址 try: return open(path, encoding='utf-8') # 返回utf-8打开文件的内容 except Exception as e: return f'

{e}

'
# 提示打开文件出错 newSite(open_file, '/(.+)') # 新建站点 /(.+) ,对应open_file类 run(globals()) # 运行服务器
输出:

浏览或以GET访问 localhost:8080/ ,显示 请传入文件路径 ,在路径后写入任意一个电脑文件路径,将会返回该文件的内容。可以尝试访问此链接访问Windows zh-CN 证书文件。

3.debug()

debug(
    mode: bool = True
) -> None

用法:用于设置网站是否调试,不调用debug()时默认为调试。 参数mode:应为布尔值,当为True时启用调试模式,为False时关闭,若调试模式启用,Python后端出现任何错误时会在此网页上报错。

示例:
from webnew import *
site(lambda self: error)  # 出现NameError
run(globals())  # 运行服务器
输出:

浏览或以GET访问 localhost:8080/ ,显示如下界面(界面大体一致,不同环境会有所差异):NameError.png

若在第二行后添加代码 debug(False)则显示 internal server error

4.reset()

reset() -> None

用法:用于重新加载 WebApp 对象的值。(WebApp可能会在未来的版本中替换为一个函数,reset()也可能会随之删除

示例:
from webnew import *
site()
print(WebApp.browser())  # 输出不固定
reset()
print(WebApp.browser())  # 输出不固定
输出:

由两次输出的数据不一致可知 reset() 改变了 WebApp 对象的值。

5.newSites()

newSites(
    *sites: tuple[Any, str]
) -> None

用法:用于一次新建多个站点。

参数

sites:形式为 ((class_, mapping), ...),意为循环执行 newSite(class_, mapping)

示例:
Go to page 1') # 定义 / 站点 class page_1: GET = lambda self: 'Go to page 2' # 定义page_1类 class page_2: GET = lambda self: 'Go to index' # 定义page_2类 newSites((page_1, '/page_1'), (page_2, '/page_2')) # 添加page_1和page_2站点 run(globals()) # 运行服务器">
from webnew import *
site('Go to page 1')  # 定义 / 站点
class page_1: GET = lambda self: 'Go to page 2'  # 定义page_1类
class page_2: GET = lambda self: 'Go to index'  # 定义page_2类
newSites((page_1, '/page_1'), (page_2, '/page_2'))  # 添加page_1和page_2站点
run(globals())  # 运行服务器
输出:

浏览或以GET访问 localhost:8080/ ,显示 Go to page 1 超链接,点击后跳转至 localhost:8080/page_1

显示 Go to page 2 超链接,点击后跳转至 localhost:8080/page_2, 显示 Go to index 超链接,点击后跳转至 localhost:8080/

6.run()

run(
    globals_ = None
) -> None

用法:用于运行服务器。

参数globals_:需要传入 globals()

说明:凡是调用 run() 都应传入 globals()

WebNew - v0.1.1 - request

# request 用于测试所编写的webnew网站程序

方法:

GET() / POST()

GET(
    ip: str = socket.gethostbyname(socket.gethostname()),
    localhost: int = 8080, mapping: str = '/'
) -> Optional[requests.Response]
POST(
    ip: str = socket.gethostbyname(socket.gethostname()),
    localhost: int = 8080, mapping: str = '/'
) -> Optional[requests.Response]

用法:通过 GET / POST 方法获取一个 requests.Response 对象

Owner
BT.Q
BT.Q
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