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"""plplotcanvas.py - Python front-end for the plplotcanvas
Copyright (C) 2004, 2005 Thomas J. Duck
All rights reserved.
Thomas J. Duck <tom.duck@dal.ca>
Department of Physics and Atmospheric Science,
Dalhousie University, Halifax, Nova Scotia, Canada, B3H 3J5
NOTICE
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
USA
"""
import plplot
import cplplotcanvas
import exceptions
class Canvas(cplplotcanvas.Canvas):
def __init__(self):
cplplotcanvas.Canvas.__init__(self)
self.devinit()
def __getattr__(self,name):
# Select the stream
Nstream = self.get_stream_number()
plplot.plsstrm(Nstream)
# Try to get the function using all of the available prefixes
if 'pl'+name in dir(plplot):
return eval('plplot.' + 'pl' + name)
elif '' + name in dir(plplot):
return eval('plplot.' + '' + name)
elif 'pl_' + name in dir(plplot):
return eval('plplot.' + 'pl_' + name)
else:
msg = "'Canvas' object has no attribute '%s'" % (name)
raise exceptions.AttributeError, msg
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