1# Copyright (c) 2009 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

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22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27import os
28import sys
29
30def makeDir(path):
31 if os.path.exists(path):
32 if not os.path.isdir(path):
33 raise AttributeError, "%s exists but is not directory" % path
34 else:
35 os.mkdir(path)
36
37class PairContainer(object):
38 def __init__(self, pairs=None):
39 self.pairs = {}
40 if pairs:
41 self.pairs.update(pairs)
42
43 def __contains__(self, item):
44 return item in self.pairs
45
46 def __getitem__(self, item):
47 return self.pairs[item]
48
49 def __setitem__(self, item, value):
50 self.pairs[item] = value
51
52 def get(self, item, failobj=None):
53 return self.pairs.get(item, failobj)
54
55class Location(object):
56 def __init__(self, filename, lineno):
57 self.filename = filename
58 self.lineno = lineno
59
60 def __str__(self):
61 return '%s:%d' % (os.path.basename(self.filename), self.lineno)
62
63 def warning(self, message, *args):
64 if args:
65 message = message % args
66 #raise Exception, "%s: Warning: %s" % (self, message)
67 print >>sys.stderr, "%s: Warning: %s" % (self, message)
68
69 def error(self, message, *args):
70 if args:
71 message = message % args
72 raise Exception, "%s: Error: %s" % (self, message)
73 sys.exit("\n%s: Error: %s" % (self, message))
74
75__all__ = [ 'makeDir', 'PairContainer', 'Location' ]