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from .Bucket import Bucket
class Constants(Bucket):
"""
The purpose of this class is to be hold user defined constants
The constants will be concatenated into names and values string.
"""
def __init__(self):
Bucket.__init__(self, 'constants')
def __setattr__(self, name, value):
# Make sure that any constants redefined have a consistent value
if name in self.argvattrs:
assert self.argvattrs[name] == value, Exception('In consistent values given for user defined constants')
Bucket.__setattr__(self, name, value)
def attrlist(self):
"Concatenate the attributes into a string"
if self.argvattrs:
names = ''
values = ''
for attr, value in self.argvattrs.items():
names += ' ' + attr
values += ' {}'.format(value)
return ['constants.use_my_constants = 1',
'constants.constant_names = ' + names,
'constants.constant_values = ' + values]
else:
return []
constants = Constants()
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