Python, mmap for in-memory data sharing

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import mmapmmap_file = none# #从内存中读取信息, Def read_mmap_info ():         global mmap_file    mmap_file.seek (0)     ## Convert the binary to String     info_str=mmap_file.read (). Translate (none, b ' \x00 '). Decode ()      print (INFO_STR) # #如果内存中没有对应信息, writes the information to memory for the next call to use Def get_mmap_info ():     global mmap_file    # #第二个参数1024是设定的内存大小, units: bytes. If you have more content, you can turn it up a little bit     mmap_file = mmap.mmap ( -1, 1024, access =  Mmap. access_write, tagname =  ' Share_mmap ')     # #读取有效比特数, excluding empty bits      cnt=mmap_file.read_byte ()     if cnt==0:         print ("Load data to memory")         mmap_ File = mmap.mmap (0, 1024, ACCESS =&NBsp;mmap. access_write, tagname =  ' Share_mmap ')         mmap_ File.write (b "This is the test data")     else :         print ("The data is in memory")          read_mmap_info () # #修改内存块中的数据def  RESET_MMP_INFO:    GLOBAL MMAP_ File    mmap_file.seek (0)     mmap_file.write (b ' \x00 ')      mmap_file.write (b "Load data to memory agine") if __name__== "__main__":     get_mmap_info () Description: If you are using a python-brought IDE, re-open this file once the results of running test data are loaded into memory

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Python, mmap for in-memory data sharing