prevent double call of _cleanup, which harms usefiles (and is a bad idea in general)
[PyX.git] / pyx / writer.py
blobb2369a5ef4e4c76e52cf2b98af610ff24f934bdf
1 # -*- encoding: utf-8 -*-
4 # Copyright (C) 2013 Jörg Lehmann <joergl@users.sourceforge.net>
5 # Copyright (C) 2013 André Wobst <wobsta@users.sourceforge.net>
7 # This file is part of PyX (http://pyx.sourceforge.net/).
9 # PyX is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
14 # PyX is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with PyX; if not, write to the Free Software
21 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
23 class writer:
25 def __init__(self, file, encoding="ascii", errors="surrogateescape"):
26 self.file = file
27 self.encoding = encoding
28 self.errors = errors
30 def write(self, s):
31 self.file.write(s.encode(self.encoding, errors=self.errors))
33 def write_bytes(self, b):
34 self.file.write(b)
36 def tell(self):
37 return self.file.tell()
39 def __enter__(self):
40 return self
42 def __exit__(self, exc_type, exc_value, traceback):
43 return self.file.__exit__(exc_type, exc_value, traceback)