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import os,hashlib
class get_file():
    def __init__(self,path):
        self.path=path
        """path 通过传入制定路径，获取路径下的所有文件名字返回一个1维列表"""
        self.file_name=[]
        for (dirpath, dirnames, filenames) in os.walk(self.path):
            if  filenames:
                self.file_name.append(filenames)
        self.old_file_name=[]
        for i in self.file_name:
            for j in i:
                self.old_file_name.append(j)
        self.old_file_name
        print("old_file       ",self.old_file_name)
        
    def count_file(self,filename):
        count=0
        for  i  in self.old_file_name:
            if filename ==i:
                count=count+1
        return count
    def getBigFileMD5(self,filepath):
        """获取文件的md5值，防止因为文件过大而发生读取错误，采用分段读取"""
        if os.path.isfile(filepath):
            file_md5 = hashlib.md5()
            maxbuf = 8192          #设置每次读取的字节数
            f = open(filepath,'rb')
            while True:
                buf = f.read(maxbuf)  
                if not buf:
                    break          #每次读取设置的字节数大小，直到读完后跳出循环    
                file_md5.update(buf)   #用数据中的字节更新哈希对象，重复调用相当于链接起来
            f.close()      
            hash = file_md5.hexdigest()
            return str(hash).upper()
        return None 
        
    def unique_absfile(self):
        """判断文件名在所有文件的列表中出现的次数，大于1则更改文件名字为md5值，并且保留后缀名字，
        方法返回处理后的文件名字（绝对路径）的列表"""
        pathname=[]
    
        for (dirpath, dirnames, filenames) in os.walk(self.path):   
             
            for filename in filenames: 
                if self.count_file(filename)>1: #判断文件名字是否重复
                    file_first_name=filename.split(".")[0]
                    file_last_name=filename.split(".")[1] 
                    path_name=os.path.join(dirpath, filename)  #获取重复文件名字的绝对路径
                    
                    new_filename=self.getBigFileMD5(path_name)+"."+file_last_name#保证改名后，文件的后缀名字不变
                     os.path.join(dirpath, new_filename)
                    
                    new_pathname=os.rename(path_name,new_pathname)
                    pathname=pathname+[new_pathname ]
                else:
                    pathname=pathname+[os.path.join(dirpath, filename)]
        return pathname 
    def file_size(self,condition=10):
        """调用内部方法self.unique_absfile()，获得去重后的文件名字列表（文件名是绝对路径）"""
        """获取文件大小，以M为单位"""
        all_file=self.unique_absfile()
        file_name=[]
        for i in   all_file:
            size = float((os.path.getsize(i)/1024))
            if size>condition:

                if "\\" in i:
                   file_name.append(i.split("\\")[-1]) 
                else:
                    file_name.append(i.split("/")[-1]) 
        return file_name

import os,hashlib
class get_file():
def init(self,path):
self.path=path
"""path 通过传入制定路径，获取路径下的所有文件名字返回一个1维列表"""
self.file_name=[]
for (dirpath, dirnames, filenames) in os.walk(self.path):
if filenames:
self.file_name.append(filenames)
self.old_file_name=[]
for i in self.file_name:
for j in i:
self.old_file_name.append(j)
self.old_file_name
print("old_file ",self.old_file_name)

def count_file(self,filename):
    count=0
    for  i  in self.old_file_name:
        if filename ==i:
            count=count+1
    return count
def getBigFileMD5(self,filepath):
    """获取文件的md5值，防止因为文件过大而发生读取错误，采用分段读取"""
    if os.path.isfile(filepath):
        file_md5 = hashlib.md5()
        maxbuf = 8192          #设置每次读取的字节数
        f = open(filepath,'rb')
        while True:
            buf = f.read(maxbuf)  
            if not buf:
                break          #每次读取设置的字节数大小，直到读完后跳出循环    
            file_md5.update(buf)   #用数据中的字节更新哈希对象，重复调用相当于链接起来
        f.close()      
        hash = file_md5.hexdigest()
        return str(hash).upper()
    return None 
    
def unique_absfile(self):
    """判断文件名在所有文件的列表中出现的次数，大于1则更改文件名字为md5值，并且保留后缀名字，
    方法返回处理后的文件名字（绝对路径）的列表"""
    pathname=[]

    for (dirpath, dirnames, filenames) in os.walk(self.path):   
         
        for filename in filenames: 
            if self.count_file(filename)>1: #判断文件名字是否重复
                file_first_name=filename.split(".")[0]
                file_last_name=filename.split(".")[1] 
                path_name=os.path.join(dirpath, filename)  #获取重复文件名字的绝对路径
                
                new_filename=self.getBigFileMD5(path_name)+"."+file_last_name#保证改名后，文件的后缀名字不变
                new_pathname = os.path.join(dirpath, new_filename)
                
                new_pathname=os.rename(path_name,new_pathname)
                pathname=pathname+[new_pathname ]
            else:
                pathname=pathname+[os.path.join(dirpath, filename)]
    return pathname 
def file_size(self,condition=10):
    """调用内部方法self.unique_absfile()，获得去重后的文件名字列表（文件名是绝对路径）"""
    """获取文件大小，以M为单位"""
    all_file=self.unique_absfile()
    file_name=[]
    for i in   all_file:
        size = float((os.path.getsize(i)/1024))
        if size>condition:

            if "\\" in i:
               file_name.append(i.split("\\")[-1]) 
            else:
                file_name.append(i.split("/")[-1]) 
    return file_name 

import os,hashlib
class get_file():
def init(self,path):
self.path=path
"""path 通过传入制定路径，获取路径下的所有文件名字返回一个1维列表"""
self.file_name=[]
for (dirpath, dirnames, filenames) in os.walk(self.path):
if filenames:
self.file_name.append(filenames)
self.old_file_name=[]
for i in self.file_name:
for j in i:
self.old_file_name.append(j)
self.old_file_name
print("old_file ",self.old_file_name)

def count_file(self,filename):
    count=0
    for  i  in self.old_file_name:
        if filename ==i:
            count=count+1
    return count
def getBigFileMD5(self,filepath):
    """获取文件的md5值，防止因为文件过大而发生读取错误，采用分段读取"""
    if os.path.isfile(filepath):
        file_md5 = hashlib.md5()
        maxbuf = 8192          #设置每次读取的字节数
        f = open(filepath,'rb')
        while True:
            buf = f.read(maxbuf)  
            if not buf:
                break          #每次读取设置的字节数大小，直到读完后跳出循环    
            file_md5.update(buf)   #用数据中的字节更新哈希对象，重复调用相当于链接起来
        f.close()      
        hash = file_md5.hexdigest()
        return str(hash).upper()
    return None 
    
def unique_absfile(self):
    """判断文件名在所有文件的列表中出现的次数，大于1则更改文件名字为md5值，并且保留后缀名字，
    方法返回处理后的文件名字（绝对路径）的列表"""
    pathname=[]
    
    for (dirpath, dirnames, filenames) in os.walk(self.path):   
         
        for filename in filenames: 
            if self.count_file(filename)>1: #判断文件名字是否重复
                file_first_name=filename.split(".")[0]
                file_last_name=filename.split(".")[1] 
                path_name=os.path.join(dirpath, filename)  #获取重复文件名字的绝对路径
                
                new_filename=self.getBigFileMD5(path_name)+"."+file_last_name#保证改名后，文件的后缀名字不变
                new_pathname = os.path.join(dirpath, new_filename)
                
                new_pathname=os.rename(path_name,new_pathname)
                pathname=pathname+[new_pathname ]
            else:
                pathname=pathname+[os.path.join(dirpath, filename)]
    return pathname 
  


            

def file_size(self,condition=10):
    """调用内部方法self.unique_absfile()，获得去重后的文件名字列表（文件名是绝对路径）"""
    """获取文件大小，以M为单位"""
    all_file=self.unique_absfile()
    file_name=[]
    for i in   all_file:
        size = float((os.path.getsize(i)/1024))
        if size>condition:

            if "\\" in i:
               file_name.append(i.split("\\")[-1]) 
            else:
                file_name.append(i.split("/")[-1]) 
    return file_name