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# Helper functions for checking feature variables.
inherit utils
def df_enabled(d, feature, truevalue, falsevalue=""):
return base_contains("DISTRO_FEATURES", feature, truevalue, falsevalue, d)
def mf_enabled(d, feature, truevalue, falsevalue=""):
return base_contains("MACHINE_FEATURES", feature, truevalue, falsevalue, d)
def cf_enabled(d, feature, truevalue, falsevalue=""):
return truevalue if df_enabled(d, feature, truevalue) \
and mf_enabled(d, feature, truevalue) \
else falsevalue
def set_append(d, var, val, sep=' '):
values = (d.getVar(var, True) or '').split(sep)
if filter(bool, values):
d.appendVar(var, '%s%s' %(sep, val))
else:
d.setVar(var, val)
def listvar_to_list(d, list_var, sep=' '):
return filter(bool, (d.getVar(list_var, True) or '').split(sep))
def compose_list(d, fmtvar, *listvars, **kw):
import itertools
fmt = d.getVar(fmtvar, True)
lists = [listvar_to_list(d, x) for x in listvars]
lst = [fmt.format(*x) for x in itertools.product(*lists)]
return (kw.get('sep') or ' ').join(lst)
def compose_list_zip(d, fmtvar, *listvars, **kw):
fmt = d.getVar(fmtvar, True)
lists = [listvar_to_list(d, x) for x in listvars]
lst = [fmt.format(*x) for x in zip(*lists)]
return (kw.get('sep') or ' ').join(lst)
def append_suffix(val, suffix):
words = val.split(' ')
newval = []
for w in words:
newval.append(w + suffix)
return ' '.join(newval)
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