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#Copyright ReportLab Europe Ltd. 2000-2004
#see license.txt for license details
#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/lib/abag.py
__version__=''' $Id: abag.py 2385 2004-06-17 15:26:05Z rgbecker $ '''
class ABag:
"""
'Attribute Bag' - a trivial BAG class for holding attributes.
You may initialize with keyword arguments.
a = ABag(k0=v0,....,kx=vx,....) ==> getattr(a,'kx')==vx
c = a.clone(ak0=av0,.....) copy with optional additional attributes.
"""
def __init__(self,**attr):
for k,v in attr.items():
setattr(self,k,v)
def clone(self,**attr):
n = apply(ABag,(),self.__dict__)
if attr != {}: apply(ABag.__init__,(n,),attr)
return n
def __repr__(self):
import string
n = self.__class__.__name__
L = [n+"("]
keys = self.__dict__.keys()
for k in keys:
v = getattr(self, k)
rk = repr(k)
rv = repr(v)
rk = " "+string.replace(rk, "\n", "\n ")
rv = " "+string.replace(rv, "\n", "\n ")
L.append(rk)
L.append(rv)
L.append(") #"+n)
return string.join(L, "\n")
if __name__=="__main__":
AB = ABag(a=1, c="hello")
CD = AB.clone()
print AB
print CD
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