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#Copyright ReportLab Europe Ltd. 2000-2016
#see license.txt for license details
#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/lib/abag.py
__version__='3.3.0'
__doc__='''Data structure to hold a collection of attributes, used by styles.'''
class ABag:
"""
'Attribute Bag' - a trivial BAG class for holding attributes.
This predates modern Python. Doing this again, we'd use a subclass
of dict.
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):
self.__dict__.update(attr)
def clone(self,**attr):
n = self.__class__(**self.__dict__)
if attr: n.__dict__.update(attr)
return n
def __repr__(self):
D = self.__dict__
K = list(D.keys())
K.sort()
return '%s(%s)' % (self.__class__.__name__,', '.join(['%s=%r' % (k,D[k]) for k in K]))
if __name__=="__main__":
AB = ABag(a=1, c="hello")
CD = AB.clone()
print(AB)
print(CD)