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
30class PairContainer(object):
31 def __init__(self, pairs=None):
32 self.pairs = {}
33 if pairs:
34 self.pairs.update(pairs)
35
36 def __contains__(self, item):
37 return item in self.pairs
38
39 def __getitem__(self, item):
40 return self.pairs[item]
41
42 def __setitem__(self, item, value):
43 self.pairs[item] = value
44
45 def get(self, item, failobj=None):
46 return self.pairs.get(item, failobj)
47
48class Location(object):
49 def __init__(self, filename, lineno, no_warning=False):
50 if not isinstance(filename, basestring):
51 raise AttributeError, \
52 "filename must be a string, found '%s'" % (type(filename), )
53 if not isinstance(lineno, (int, long)):
54 raise AttributeError, \
55 "filename must be an integer, found '%s'" % (type(lineno), )
56 self.filename = filename
57 self.lineno = lineno
58 self.no_warning = no_warning
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 self.no_warning:
65 return
66 if args:
67 message = message % args
68 #raise Exception, "%s: Warning: %s" % (self, message)
69 print >>sys.stderr, "%s: Warning: %s" % (self, message)
70
71 def error(self, message, *args):
72 if args:
73 message = message % args
74 raise Exception, "%s: Error: %s" % (self, message)
75 sys.exit("\n%s: Error: %s" % (self, message))
76
77__all__ = [ 'PairContainer', 'Location' ]