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class Bucket(object):
"""
The purpose of this class is to be a named bucket for holding attributes.
This attributes will be concatenated into a string and passed into argv during initialization.
"""
def __init__(self, instancename, **defaults):
self._localsetattr('instancename', instancename)
self._localsetattr('argvattrs', {})
self.argvattrs.update(defaults)
def _localsetattr(self, name, value):
object.__setattr__(self, name, value)
def __setattr__(self, name, value):
self.argvattrs[name] = value
def __getattr__(self, name):
try:
return self.argvattrs[name]
except KeyError:
return object.__getattr__(self, name)
def attrlist(self):
"Concatenate the attributes into a string"
result = []
for attr, value in self.argvattrs.iteritems():
# --- repr is applied to value so that for floats, all of the digits are included.
# --- The strip is then needed when value is a string.
attrstring = '{0}.{1}={2} '.format(self.instancename, attr, repr(value).strip("'\""))
result += [attrstring]
return result
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