一个简单的url方案解析器
lwe-mapper的Python项目详细描述
mapper-简单的url方案解析器
mapper是我在处理其他stuff时创建的一个小型项目，需要一个超级简单的url reslover。
其思想是在不依赖任何python模块的情况下，尽可能地减少的占用空间。
你用它做什么取决于你。
如果f.e.需要一个简单的json服务器，请按照下面的步骤签出mjs
同样的原则。
占用空间小，易于使用，而且只有一个依赖映射器（显然）。
它是怎么工作的？非常简单。
检查The very basic并从那里开始。
目录
要求
您需要什么：
- python 2.7或更高版本
安装
您有两个选项：
- 通过pypi安装
pip install lwe-mapper - 下载mapper.py并将其放到项目的根目录中
用法
注册函数
最基本的
frommapperimportMappermpr=Mapper.get()# Note: A path will ALWAYS end with a "/" regardless# if your URL contains a trailing "/" or not# Choose one of the two decorators@mpr.url('^/some/path/$')# Regex pattern@mpr.s_url('/some/path/')# Simple pathdeffunc():print('func called')# What e.g. your webserver would do...mpr.call('http://some.url/some/path')
带有查询的url
frommapperimportMappermpr=Mapper.get()# Note: Adding a query does NOT change the fact that# the path will end with a "/" for the regex pattern@mpr.s_url('/some/path/')deffunc(param1,param2='default'):print(param1,param2)# We don't supply "param2" and "param3" which will result in "param2" being None and param3 being 'default'mpr.call('http://some.url/some/path?param1=123')# Following would cause a:# TypeError: func() missing 1 required positional argument: 'param1'mpr.call('http://some.url/some/path')
查询值类型转换
frommapperimportMappermpr=Mapper.get()# By default all parameters will be of type "string".# You can change the type by supplying a dict where the key matches your parameters name and the value is one of:# int, float, bool## Note for bool:# 1. Casting is case-insensitive.# 2. 1 and 0 can be casted as well@mpr.s_url('/some/path/',type_cast={'a_int':int,'a_float':float,'a_bool':bool})deffunc(a_int,a_float,a_bool):print(a_int,a_float,a_bool)mpr.call('http://some.url/some/path?a_int=123&a_float=1.0&a_bool=true')
从URL路径提取值
frommapperimportMappermpr=Mapper.get()# In pure python regex fashion we define a named capture group within our pattern to# match whatever we want.# We can use a simplified url as well though.# Not that type-casting works as well.@mpr.url('^/some/path/(?P<param1>[^/]*)/(?P<param2>[0-9]*)/$',type_cast={'param2':int})# Regex pattern@mpr.s_url('/some/path/<param1>/<param2>/',type_cast={'param2':int})# Simple pathdeffunc(param1,param2):print(param1,param2)mpr.call('http://some.url/some/path/abc/456/')
Python
frommapperimportMappermpr=Mapper.get()# It's pretty simple and type-casting works as well@mpr.s_url('/some/path/',type_cast={'param1':int,'param2':float,'param3':bool})deffunc(param1,**kwargs):print(param1,kwargs)mpr.call('http://some.url/some/path?param1=123¶m2=1.0¶m3=true')
返回值
frommapperimportMappermpr=Mapper.get()# Whatever you return will be returned by mapper@mpr.s_url('/some/path/')deffunc():return('str',1,1.0,True)a_str,a_int,a_float,a_bool=mpr.call('http://some.url/some/path')
使用“add”函数而不是decorator
frommapperimportMappermpr=Mapper.get()# Note: Adding a query does NOT change the fact that# the path will end with a "/" for the regex pattern@mpr.s_url('/some/path/')deffunc(param1,param2='default'):print(param1,param2)# We don't supply "param2" and "param3" which will result in "param2" being None and param3 being 'default'mpr.call('http://some.url/some/path?param1=123')# Following would cause a:# TypeError: func() missing 1 required positional argument: 'param1'mpr.call('http://some.url/some/path')
查询值类型转换
frommapperimportMappermpr=Mapper.get()# By default all parameters will be of type "string".# You can change the type by supplying a dict where the key matches your parameters name and the value is one of:# int, float, bool## Note for bool:# 1. Casting is case-insensitive.# 2. 1 and 0 can be casted as well@mpr.s_url('/some/path/',type_cast={'a_int':int,'a_float':float,'a_bool':bool})deffunc(a_int,a_float,a_bool):print(a_int,a_float,a_bool)mpr.call('http://some.url/some/path?a_int=123&a_float=1.0&a_bool=true')
从URL路径提取值
frommapperimportMappermpr=Mapper.get()# In pure python regex fashion we define a named capture group within our pattern to# match whatever we want.# We can use a simplified url as well though.# Not that type-casting works as well.@mpr.url('^/some/path/(?P<param1>[^/]*)/(?P<param2>[0-9]*)/$',type_cast={'param2':int})# Regex pattern@mpr.s_url('/some/path/<param1>/<param2>/',type_cast={'param2':int})# Simple pathdeffunc(param1,param2):print(param1,param2)mpr.call('http://some.url/some/path/abc/456/')
Python
frommapperimportMappermpr=Mapper.get()# It's pretty simple and type-casting works as well@mpr.s_url('/some/path/',type_cast={'param1':int,'param2':float,'param3':bool})deffunc(param1,**kwargs):print(param1,kwargs)mpr.call('http://some.url/some/path?param1=123¶m2=1.0¶m3=true')
返回值
frommapperimportMappermpr=Mapper.get()# Whatever you return will be returned by mapper@mpr.s_url('/some/path/')deffunc():return('str',1,1.0,True)a_str,a_int,a_float,a_bool=mpr.call('http://some.url/some/path')
使用“add”函数而不是decorator
frommapperimportMappermpr=Mapper.get()# It's pretty simple and type-casting works as well@mpr.s_url('/some/path/',type_cast={'param1':int,'param2':float,'param3':bool})deffunc(param1,**kwargs):print(param1,kwargs)mpr.call('http://some.url/some/path?param1=123¶m2=1.0¶m3=true')
返回值
frommapperimportMappermpr=Mapper.get()# Whatever you return will be returned by mapper@mpr.s_url('/some/path/')deffunc():return('str',1,1.0,True)a_str,a_int,a_float,a_bool=mpr.call('http://some.url/some/path')
使用“add”函数而不是decorator
有时，以后可能需要向映射器注册函数。这可以通过使用mappers“add”函数轻松实现。
frommapperimportMappermpr=Mapper.get()deffunc(param1,param2):print(param1,param2)# It works the same way as the decorator.# The only difference is, that we have to specify the function ourselves.mpr.add('^/some/path/(?P<param1>[0-9]*)/$',func,type_cast={'param1':int,'param2':int})mpr.s_add('/some/path/<param1>/',func,type_cast={'param1':int,'param2':int})mpr.call('http://some.url/some/path/123?param2=456')
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