| # 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) |