1 #!/usr/bin/env python 2 3 """ 4 Reader classes for indexing. 5 6 Copyright (C) 2011 Paul Boddie <paul@boddie.org.uk> 7 8 This program is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free Software 10 Foundation; either version 3 of the License, or (at your option) any later 11 version. 12 13 This program is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 15 PARTICULAR PURPOSE. See the GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License along 18 with this program. If not, see <http://www.gnu.org/licenses/>. 19 """ 20 21 class File: 22 23 "A generic file wrapper." 24 25 def __init__(self, f, iterator): 26 self.f = f 27 self.iterator = iterator 28 29 def seek(self, pos): 30 self.f.seek(pos) 31 32 class TextFile(File): 33 34 "A wrapper around text files." 35 36 def __iter__(self): 37 self.iterator.set_records(self.f.xreadlines()) 38 return self.iterator 39 40 # vim: tabstop=4 expandtab shiftwidth=4