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A python package for parsing parameters.

Project description

A python package for parsing parameters

Usage

>>> from param_info import *
>>> params = ParamList()
>>> params.add( ParamInfoInt("a1",7,min=5) )
>>> params.add( ParamInfoVal("a2",['aa','bb','cc']) )
>>> params.add( ParamInfoStr("a3",' hallo ') )
>>> def doSomething(param,values):
...    if params.validate(values):
...        # Do something with values
...        for name,param in params.params.items():
...            print( '{0} ==> {1}'.format(name,param.value))
...    else:
...        # Handle errors
...        for name,param in params.errors.items():
...            print( 'Error. {0} ==> {1}'.format(name,param.errorText))
>>> doSomething(params,{'a1':3})
Error. a1 ==> a1=3 should be integer >= 5
Error. a2 ==> a2 is required
>>> doSomething(params,{'a1':8,'a2':'bb'})
a1 ==> 8
a2 ==> bb
a3 ==> hallo
>>> doSomething(params,{'a2':'zz'})
Error. a2 ==> a2=zz should be one of ['aa', 'bb', 'cc']
>>> doSomething(params,{'a2':'aa','a3':'hola'})
a1 ==> 7
a2 ==> aa
a3 ==> hola

Project details


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