Python验证文件是否可读写代码分享
本文分享实例代码主要在实现验证文件是否有读写权限问题，具体如下：
#Importpythonlibs importos defis_writeable(path,check_parent=False): ''' Checkifagivenpathiswriteablebythecurrentuser. :parampath:Thepathtocheck :paramcheck_parent:Ifthepathtocheckdoesnotexist,checkforthe abilitytowritetotheparentdirectoryinstead :returns:TrueorFalse ''' ifos.access(path,os.F_OK)andos.access(path,os.W_OK): #Thepathexistsandiswriteable returnTrue ifos.access(path,os.F_OK)andnotos.access(path,os.W_OK): #Thepathexistsandisnotwriteable returnFalse #Thepathdoesnotexistsorisnotwriteable ifcheck_parentisFalse: #We'renotallowedtochecktheparentdirectoryoftheprovidedpath returnFalse #Letsgettheparentdirectoryoftheprovidedpath parent_dir=os.path.dirname(path) ifnotos.access(parent_dir,os.F_OK): #Parentdirectorydoesnotexit returnFalse #Finally,returnifwe'reallowedtowriteintheparentdirectoryofthe #providedpath returnos.access(parent_dir,os.W_OK) defis_readable(path): ''' Checkifagivenpathisreadablebythecurrentuser. :parampath:Thepathtocheck :returns:TrueorFalse ''' ifos.access(path,os.F_OK)andos.access(path,os.R_OK): #Thepathexistsandisreadable returnTrue #Thepathdoesnotexist returnFalse
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