44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
#Copyright ReportLab Europe Ltd. 2000-2004
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#see license.txt for license details
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#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/lib/abag.py
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__version__=''' $Id$ '''
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class ABag:
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"""
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'Attribute Bag' - a trivial BAG class for holding attributes.
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You may initialize with keyword arguments.
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a = ABag(k0=v0,....,kx=vx,....) ==> getattr(a,'kx')==vx
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c = a.clone(ak0=av0,.....) copy with optional additional attributes.
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"""
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def __init__(self,**attr):
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for k,v in attr.items():
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setattr(self,k,v)
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def clone(self,**attr):
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n = apply(ABag,(),self.__dict__)
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if attr != {}: apply(ABag.__init__,(n,),attr)
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return n
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def __repr__(self):
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import string
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n = self.__class__.__name__
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L = [n+"("]
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keys = self.__dict__.keys()
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for k in keys:
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v = getattr(self, k)
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rk = repr(k)
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rv = repr(v)
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rk = " "+string.replace(rk, "\n", "\n ")
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rv = " "+string.replace(rv, "\n", "\n ")
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L.append(rk)
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L.append(rv)
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L.append(") #"+n)
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return string.join(L, "\n")
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if __name__=="__main__":
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AB = ABag(a=1, c="hello")
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CD = AB.clone()
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print AB
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print CD |