Mercurial > cpython-lru_cache-weakref

annotate Lib/lib-old/packmail.py @ 4566:6403c94de50d legacy-trunk

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Added safeguard against failure in __del__.
author Guido van Rossum <guido@python.org>
date Wed, 27 Nov 1996 19:39:58 +0000
parents 1940892d2fe3
children a8df090a12ba
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Module 'packmail' -- create a self-unpacking shell archive.
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2
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3 # This module works on UNIX and on the Mac; the archives can unpack
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4 # themselves only on UNIX.
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5
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6 import os
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7 from stat import ST_MTIME
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8 import string
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9
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10 # Print help
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11 def help():
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12 print 'All fns have a file open for writing as first parameter'
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13 print 'pack(f, fullname, name): pack fullname as name'
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14 print 'packsome(f, directory, namelist): selected files from directory'
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15 print 'packall(f, directory): pack all files from directory'
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16 print 'packnotolder(f, directory, name): pack all files from directory'
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17 print ' that are not older than a file there'
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18 print 'packtree(f, directory): pack entire directory tree'
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19
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20 # Pack one file
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21 def pack(outfp, file, name):
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22 fp = open(file, 'r')
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23 outfp.write('echo ' + name + '\n')
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24 outfp.write('sed "s/^X//" >' + name + ' <<"!"\n')
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25 while 1:
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26 line = fp.readline()
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27 if not line: break
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28 if line[-1:] <> '\n':
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29 line = line + '\n'
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30 outfp.write('X' + line)
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31 outfp.write('!\n')
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32 fp.close()
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33
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34 # Pack some files from a directory
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35 def packsome(outfp, dirname, names):
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36 for name in names:
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37 print name
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38 file = os.path.join(dirname, name)
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39 pack(outfp, file, name)
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40
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41 # Pack all files from a directory
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42 def packall(outfp, dirname):
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43 names = os.listdir(dirname)
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44 try:
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45 names.remove('.')
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46 except:
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47 pass
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48 try:
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49 names.remove('..')
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50 except:
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51 pass
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52 names.sort()
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53 packsome(outfp, dirname, names)
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54
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55 # Pack all files from a directory that are not older than a give one
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56 def packnotolder(outfp, dirname, oldest):
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57 names = os.listdir(dirname)
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58 try:
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59 names.remove('.')
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60 except:
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61 pass
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62 try:
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63 names.remove('..')
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64 except:
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65 pass
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66 oldest = os.path.join(dirname, oldest)
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67 st = os.stat(oldest)
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68 mtime = st[ST_MTIME]
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69 todo = []
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70 for name in names:
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71 print name, '...',
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72 st = os.stat(os.path.join(dirname, name))
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73 if st[ST_MTIME] >= mtime:
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74 print 'Yes.'
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75 todo.append(name)
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76 else:
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77 print 'No.'
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78 todo.sort()
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79 packsome(outfp, dirname, todo)
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80
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81 # Pack a whole tree (no exceptions)
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82 def packtree(outfp, dirname):
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83 print 'packtree', dirname
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84 outfp.write('mkdir ' + unixfix(dirname) + '\n')
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85 names = os.listdir(dirname)
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86 try:
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87 names.remove('.')
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88 except:
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89 pass
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90 try:
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91 names.remove('..')
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92 except:
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93 pass
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94 subdirs = []
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95 for name in names:
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96 fullname = os.path.join(dirname, name)
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97 if os.path.isdir(fullname):
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98 subdirs.append(fullname)
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99 else:
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100 print 'pack', fullname
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101 pack(outfp, fullname, unixfix(fullname))
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102 for subdirname in subdirs:
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103 packtree(outfp, subdirname)
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104
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105 def unixfix(name):
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106 comps = string.splitfields(name, os.sep)
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107 res = ''
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108 for comp in comps:
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109 if comp:
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110 if res: res = res + '/'
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111 res = res + comp
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112 return res