The second parameter is a function of the python open open mode, such as rb, rt, which consists of two parts, the first letter indicates the mode open in read-only (r = read), the second letter indicates the content identification data into what . b indicates binary data is 2, t represents text data. t is the default parameter is not specified is t, so you open mode is rt, read-only text mode. Text mode generally need to specify the encoding. Incoming encoding = encoding. The sentence changed
Using gzip compression module to complete the file.
import gzip
f_in = open ( "data.txt", "rb") # Open File
f_out = gzip.open ( "data.txt.gz", "wb") # create a compressed file object
f_out.writelines(f_in)
f_out.close()
f_in.close()
Using gzip module to complete decompression of files.
import gzip
f = gzip.open ( "data.txt.gz", 'rb') # open a compressed file object
f_out = open ( "data.txt", "w") # Open the unpacked files saved content
file_content = f.read () # read the contents of the file after extraction
f_out.write (file_content.decode ( "utf-8")) # write a new file which
print (file_content) # print read content
f.close () # close the file stream
f_out.close()
