[Python Study Notes] Memory information

"" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "", "" "". "" "" "" "" "" "" "" "," "" "" "," "" "" "," "" "," "" ">> Memory Information .py>> Author: Liu Yang>> e-mail: [email protected] "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "." "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "#!/usr/bin/env python#-*-coding:utf-8-*-import sys,osimport psutil "' Convert bytes number to more intuitive symbol display ' ' Def bytes2symbols (bytes_value): ' Unit symbol ' ' symbols = (' K ', ' M ', ' G ', ' T ', ' P ', ' E ', ' Z ', ' Y The dictionary of the number of bytes per unit, defined as null ' prefix={} ' to get such {k:1024, m:1024*1024,g:1024**3}, for Loop ' for i,s in Enume Rate (Symbols): # ' Enumerate () for enumeration function ' # ' I: for subscript ' # ' s: Represents the value of the subscript corresponding to ' ' # ' to the value of the symbol tuple as a PRF The key of the IX dictionary, which is assigned value according to key "' prefix[s]=1024** (i+1) # '" "Print the corresponding Dictionary" "" "" "" "" "" "(prefix) symbols_value=0 sym Bol= ' # ' Loop prefix dictionary, get converted value ' for Key,value in Prefix.items (): If Bytes_value >=value:symbo Ls_value=bytes_value/value Symbol=key       # If the minimum KB is not met, display elif bytes_value <1024:return '%0.2fb '%bytes_value # "in B to return the converted value (str) "Return '%0.2F%SB '% (symbols_value,symbol) def memory_message (): Nt=psutil.virtual_memory () # Data obtained: Svmem (total =8482263040, available=1770676224, percent=79.1, used=6711586816, free=1770676224) # Print (NT) total=bytes2symbols (n T.total) Available=bytes2symbols (nt.available) percent=bytes2symbols (nt.percent) Used=bytes2symbols (nt.used) F Ree=bytes2symbols (nt.free) print ("Memory Information: Total Memory:%4s available:%4s used:%4s"% (total,available,used)) if __name__ = = ' __mai N__ ': Memory_message ()

[Python Study Notes] Memory information