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112 lines
2.6 KiB
Python
112 lines
2.6 KiB
Python
# Module 'packmail' -- create a self-unpacking shell archive.
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# This module works on UNIX and on the Mac; the archives can unpack
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# themselves only on UNIX.
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import os
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from stat import ST_MTIME
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import string
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# Print help
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def help():
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print 'All fns have a file open for writing as first parameter'
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print 'pack(f, fullname, name): pack fullname as name'
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print 'packsome(f, directory, namelist): selected files from directory'
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print 'packall(f, directory): pack all files from directory'
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print 'packnotolder(f, directory, name): pack all files from directory'
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print ' that are not older than a file there'
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print 'packtree(f, directory): pack entire directory tree'
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# Pack one file
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def pack(outfp, file, name):
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fp = open(file, 'r')
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outfp.write('echo ' + name + '\n')
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outfp.write('sed "s/^X//" >"' + name + '" <<"!"\n')
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while 1:
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line = fp.readline()
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if not line: break
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if line[-1:] <> '\n':
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line = line + '\n'
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outfp.write('X' + line)
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outfp.write('!\n')
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fp.close()
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# Pack some files from a directory
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def packsome(outfp, dirname, names):
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for name in names:
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print name
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file = os.path.join(dirname, name)
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pack(outfp, file, name)
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# Pack all files from a directory
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def packall(outfp, dirname):
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names = os.listdir(dirname)
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try:
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names.remove('.')
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except:
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pass
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try:
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names.remove('..')
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except:
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pass
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names.sort()
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packsome(outfp, dirname, names)
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# Pack all files from a directory that are not older than a give one
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def packnotolder(outfp, dirname, oldest):
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names = os.listdir(dirname)
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try:
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names.remove('.')
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except:
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pass
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try:
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names.remove('..')
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except:
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pass
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oldest = os.path.join(dirname, oldest)
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st = os.stat(oldest)
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mtime = st[ST_MTIME]
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todo = []
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for name in names:
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print name, '...',
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st = os.stat(os.path.join(dirname, name))
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if st[ST_MTIME] >= mtime:
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print 'Yes.'
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todo.append(name)
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else:
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print 'No.'
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todo.sort()
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packsome(outfp, dirname, todo)
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# Pack a whole tree (no exceptions)
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def packtree(outfp, dirname):
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print 'packtree', dirname
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outfp.write('mkdir ' + unixfix(dirname) + '\n')
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names = os.listdir(dirname)
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try:
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names.remove('.')
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except:
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pass
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try:
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names.remove('..')
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except:
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pass
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subdirs = []
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for name in names:
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fullname = os.path.join(dirname, name)
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if os.path.isdir(fullname):
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subdirs.append(fullname)
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else:
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print 'pack', fullname
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pack(outfp, fullname, unixfix(fullname))
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for subdirname in subdirs:
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packtree(outfp, subdirname)
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def unixfix(name):
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comps = string.splitfields(name, os.sep)
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res = ''
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for comp in comps:
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if comp:
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if res: res = res + '/'
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res = res + comp
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return res
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