def MageGroupFromString(line):
"""Returns a new MageGroup, created from a string representation"""
result = MageGroup([],RecessiveOn=False)
trans = {'off':('Off',True),\
'recessiveon':('RecessiveOn',True),\
'color':'Color',\
'radius':'Radius',\
'nobutton':('NoButton',True),\
'dominant':('Dominant',True),\
'lens':('Lens',True),
'master':'Master',\
'instance':'Instance',\
'clone':'Clone'}
#extract all delimited fields: label & KeyWordOptions (master, etc)
delimited_fields = []
while 1:
part = extract_delimited(line,'{','}')
if part is not None:
delimited_fields.append(part)
line = line.replace('{'+part+'}','')
else:
break
#the first one is always the label
label = delimited_fields[0]
#the later ones (starting with 1) are keyword options
field_idx = 1
#gather all left-over pieces
pieces = line.split()
if 'sub' in pieces[0]: #@(sub)group
result.Subgroup = True
result.Label = label
#process all optional pieces
for piece in pieces[1:]:
try:
#here we're finding the key. The value will be '', because it
#is stored in delimited_fields (accesible by field_idx)
key,value = piece.split('=')
setattr(result,trans[key],delimited_fields[field_idx])
field_idx += 1
except ValueError:
setattr(result,trans[piece][0],trans[piece][1])
return result
