ubuntu the guide tarfile, win disoblige

# ### tarfile compression module suffix .tar | .tar.gz | .tar.bz2 
Import tarfile 

tarfile insufficiency win in function, with kidney, stay up all night bug

 

 # ### 1. Create a tar archive [official: theory can be suppressed to the minimum mode is bz2] 
# (. 1) to create a compressed packet 
"" ".tar compressed, not only the packing compression 276.48 thousand" ""   
TF = tarfile.open ( "ceshi1029.tar", "W", encoding = "UTF-. 8") 
# (2) the compressed file is written to the package 
tf.add ( "/ bin / ntfscmp", "ntfscmp") 
tf.add ( "/ bin / openvt,", "openvt,") 
TF. the Add ( "/ bin / grep", "tmp / grep") 
# (. 3) Close compressed 
tf.close () 

# 2. Create .tar.gz archive 120 462 
TF = tarfile.open ( "ceshi1030.tar.gz "," W: GZ ", encoding =" UTF-. 8 ") 
tf.add (" / bin / ntfscmp "," ntfscmp ") 
tf.add ("/ bin / openvt "," openvt ") 
tf.add (" / bin / grep "," tmp / grep ") 
tf.close () 

# 3. Create a .tar.bz2 archive 115 728
tf = tarfile.open("ceshi1031.tar.bz2","w:bz2",encoding="utf-8")
tf.add("/bin/ntfscmp","ntfscmp")
tf.add("/bin/openvt","openvt")
tf.add("/bin/grep","tmp/grep")
tf.close()

# ### 2.解压压缩包
tf = tarfile.open("ceshi1030.tar.gz","r",encoding="utf-8")
# extract(文件,路径)
# tf.extract("ntfscmp","ceshi1030")
# extractall(路径)
tf.extractall("ceshi1030")
tf.close()

# ### 3.追加文件 支持with语法
with  tarfile.open("ceshi1029.tar","a",encoding="utf-8") as tf :
   tf.add("/bin/gzip","gzip")

# error tarfile中的追加,Not only is packaged only additional compressed packets, other modes can not be; "" "   tf.add ( "/ bin / gzip", "gzip")with tarfile.open (" ceshi1031.tar.bz2 "," A ", encoding =" UTF-. 8 ") AS TF:
"" "




4. Check # ### compressed content package 
with tarfile.open ( "ceshi1029.tar", "R & lt", encoding = "UTF-. 8") AS TF: 
   LST = tf.getnames () 
   Print (LST) 


# ### tarfile how to solve the defects that exist? (not append files to already compressed package) 
"" " 
(1) first extract all files to a folder 
(2) you want to copy the contents added to a folder 
(3 ) filtered through screening, repackage compression 
"" " 
Import os 
# get the current path of the script where 
pathvar os.getcwd = () 
# Print (RES) # / mnt / hgfs / gongxiang8 / day16 

# archive path 
path1 = os.path .join (pathvar, "ceshi1031.tar.bz2") 
Print (path1) 
# decompression path 
path2 = os.path.join (pathvar, "ceshi1031") 

# (1) first extract all files to a folder 
with tarfile.open (path1, "R & lt", encoding = "UTF-. 8") AS TF: 
   TF.extractall (path2) 

# (2) I want to copy the contents added to a folder
= mybin "-a CP / bin / IP" -a + path2 CP # / bin / IP / mnt / hgfs / gongxiang8 / day16 / ceshi1031 
the os.system (mybin) 

# (. 3) was filtered through filter, repackage compression 
lst = os.listdir (path2) 
Print (LST) 

with tarfile.open (path1, "w: bz2", encoding = "UTF-8") AS TF: 
   for i in LST: 
      ! IF i = "openvt": 
         # splice absolute path 
         pathnew = the os.path.join (path2, I) 
         # the Add (path, alias) 
         tf.add (pathnew, I)