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Guido van Rossumfff3a1ee1992-04-06 14:04:58 +00001# Module 'packmail' -- create a self-unpacking shell archive.
2
3# This module works on UNIX and on the Mac; the archives can unpack
4# themselves only on UNIX.
Guido van Rossum217a5fa1990-12-26 15:40:07 +00005
Guido van Rossumd9596e31992-03-31 19:05:11 +00006import os
Guido van Rossum217a5fa1990-12-26 15:40:07 +00007from stat import ST_MTIME
Guido van Rossumfa540641991-04-07 13:40:56 +00008import string
Guido van Rossum217a5fa1990-12-26 15:40:07 +00009
Guido van Rossumfff3a1ee1992-04-06 14:04:58 +000010# Print help
11def help():
12 print 'All fns have a file open for writing as first parameter'
13 print 'pack(f, fullname, name): pack fullname as name'
14 print 'packsome(f, directory, namelist): selected files from directory'
15 print 'packall(f, directory): pack all files from directory'
16 print 'packnotolder(f, directory, name): pack all files from directory'
17 print ' that are not older than a file there'
18 print 'packtree(f, directory): pack entire directory tree'
19
Guido van Rossum217a5fa1990-12-26 15:40:07 +000020# Pack one file
21def pack(outfp, file, name):
22 fp = open(file, 'r')
Guido van Rossumfff3a1ee1992-04-06 14:04:58 +000023 outfp.write('echo ' + name + '\n')
Guido van Rossum9c93a691998-04-28 16:03:03 +000024 outfp.write('sed "s/^X//" >"' + name + '" <<"!"\n')
Guido van Rossum217a5fa1990-12-26 15:40:07 +000025 while 1:
26 line = fp.readline()
27 if not line: break
28 if line[-1:] <> '\n':
29 line = line + '\n'
30 outfp.write('X' + line)
31 outfp.write('!\n')
Guido van Rossumfff3a1ee1992-04-06 14:04:58 +000032 fp.close()
Guido van Rossum217a5fa1990-12-26 15:40:07 +000033
34# Pack some files from a directory
35def packsome(outfp, dirname, names):
36 for name in names:
37 print name
Guido van Rossumd9596e31992-03-31 19:05:11 +000038 file = os.path.join(dirname, name)
Guido van Rossum217a5fa1990-12-26 15:40:07 +000039 pack(outfp, file, name)
40
41# Pack all files from a directory
42def packall(outfp, dirname):
Guido van Rossumd9596e31992-03-31 19:05:11 +000043 names = os.listdir(dirname)
Guido van Rossumb6775db1994-08-01 11:34:53 +000044 try:
45 names.remove('.')
46 except:
47 pass
48 try:
49 names.remove('..')
50 except:
51 pass
Guido van Rossum217a5fa1990-12-26 15:40:07 +000052 names.sort()
53 packsome(outfp, dirname, names)
54
55# Pack all files from a directory that are not older than a give one
56def packnotolder(outfp, dirname, oldest):
Guido van Rossumd9596e31992-03-31 19:05:11 +000057 names = os.listdir(dirname)
Guido van Rossumb6775db1994-08-01 11:34:53 +000058 try:
59 names.remove('.')
60 except:
61 pass
62 try:
63 names.remove('..')
64 except:
65 pass
Guido van Rossumd9596e31992-03-31 19:05:11 +000066 oldest = os.path.join(dirname, oldest)
67 st = os.stat(oldest)
Guido van Rossum217a5fa1990-12-26 15:40:07 +000068 mtime = st[ST_MTIME]
69 todo = []
70 for name in names:
71 print name, '...',
Guido van Rossumd9596e31992-03-31 19:05:11 +000072 st = os.stat(os.path.join(dirname, name))
Guido van Rossum217a5fa1990-12-26 15:40:07 +000073 if st[ST_MTIME] >= mtime:
74 print 'Yes.'
75 todo.append(name)
76 else:
77 print 'No.'
78 todo.sort()
79 packsome(outfp, dirname, todo)
Guido van Rossumfa540641991-04-07 13:40:56 +000080
81# Pack a whole tree (no exceptions)
82def packtree(outfp, dirname):
83 print 'packtree', dirname
84 outfp.write('mkdir ' + unixfix(dirname) + '\n')
Guido van Rossumd9596e31992-03-31 19:05:11 +000085 names = os.listdir(dirname)
Guido van Rossumb6775db1994-08-01 11:34:53 +000086 try:
87 names.remove('.')
88 except:
89 pass
90 try:
91 names.remove('..')
92 except:
93 pass
Guido van Rossumfa540641991-04-07 13:40:56 +000094 subdirs = []
95 for name in names:
Guido van Rossumd9596e31992-03-31 19:05:11 +000096 fullname = os.path.join(dirname, name)
97 if os.path.isdir(fullname):
Guido van Rossumfa540641991-04-07 13:40:56 +000098 subdirs.append(fullname)
99 else:
100 print 'pack', fullname
101 pack(outfp, fullname, unixfix(fullname))
102 for subdirname in subdirs:
103 packtree(outfp, subdirname)
104
105def unixfix(name):
Guido van Rossumfff3a1ee1992-04-06 14:04:58 +0000106 comps = string.splitfields(name, os.sep)
Guido van Rossumfa540641991-04-07 13:40:56 +0000107 res = ''
108 for comp in comps:
109 if comp:
110 if res: res = res + '/'
111 res = res + comp
112 return res