王波

python12-wangbo
598 号测试 成员, 2018-12-05 06:14:24 加入
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  • 20181205Python 自动化笔试题,挑战你的知识库

    2020-07-24 10:55
    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
    
  • 20181205Python 自动化笔试题,挑战你的知识库

    2020-07-24 10:55

    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 
    
  • 20181205Python 自动化笔试题,挑战你的知识库

    2020-07-24 10:55

    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