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将代码混乱的json文件格式化。
还有一小堆python常用算法代码
项目地址:https://github.com/xsank/cabbird
[Python]代码- class JsonFormatter:
- def __init__(self,intend=4,name=""):
- self.name=name
- self.intend=intend
- self.stack=[]
- self.obj=None
- self.source=self.get_source(name)
- self.prepare()
-
- @staticmethod
- def json_str(s):
- return '"'+s+'"'
-
- @staticmethod
- def get_source(name):
- with open(name,'r') as f:
- return ''.join(f.read().split())
-
- def prepare(self):
- try:
- self.obj=eval(self.source)
- except:
- raise Exception('Invalid json string!')
-
- def line_intend(self,level=0):
- return '\n'+' '*self.intend*level
-
- def parse_dict(self,obj=None,intend_level=0):
- self.stack.append(self.line_intend(intend_level)+'{')
- intend_level+=1
- for key,value in obj.items():
- key=self.json_str(str(key))
- self.stack.append(self.line_intend(intend_level)+key+':')
- self.parse(value,intend_level)
- self.stack.append(',')
- self.stack.append(self.line_intend(intend_level-1)+'}')
-
- def parse_list(self,obj=None,intend_level=0):
- self.stack.append(self.line_intend(intend_level)+'[')
- intend_level+=1
- for item in obj:
- self.parse(item,intend_level)
- self.stack.append(',')
- self.stack.append(self.line_intend(intend_level-1)+']')
-
- def parse(self,obj,intend_level=0):
- if obj is None:
- self.stack.append('null')
- elif obj is True:
- self.stack.append('true')
- elif obj is False:
- self.stack.append('false')
- elif isinstance(obj,(int,long,float)):
- self.stack.append(str(obj))
- elif isinstance(obj,str):
- self.stack.append(self.json_str(obj))
- elif isinstance(obj,(list,tuple)):
- self.parse_list(obj,intend_level)
- elif isinstance(obj,dict):
- self.parse_dict(obj,intend_level)
- else:
- raise Exception('Invalid json type %s!' % obj)
-
- def render(self):
- self.parse(self.obj,0)
- res_file='good'+self.name
- res=''.join(self.stack)
- with open(res_file,'w') as f:
- f.write(res)
- print res
-
- if __name__=="__main__":
- jf=JsonFormatter(name="json.txt")
- jf.render()
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