def _dt_register_deps(self, info):
"""
register dependencies given in info in dt
@param info:
"""
if info.Depends:
for clause in info.Depends: # iterates over all dependencies required by cartridge
dtentry = DependencyTableInfo()
# prepare dt entry
pr = None
# select providing version
for expr in clause: # iterate over any alternative versions
cname = expr.Name
pred = expr.Predicate
# check if cname exists in package db, with required version
pkg = self.lookup(cname, pred)
# TODO: proper version selection, currently the first found
# version is selected.
if pkg is not None:
# pr = {KEY_DT_NAME : pkg.Name, KEY_DT_VERS : pkg.Version, KEY_DT_PROV_SF : cname}
pr = ProvidesInfo(pkg.Name, pkg.Version, "")
pr._SelectedFeature = cname
dtentry.setProvider(pr)
break
# update dt
dtentry.addFeature(clause)
self.update_dependency_table(info.Name, dtentry)
def _dt_reregister_deps(self, dt_db, reregister_list):
"""
set new provider for each element in reregister_list
@param dt_db:
@param reregister_list:
"""
for pkg in reregister_list:
te = dt_db[pkg]
for entry in te:
entry_index = dt_db[pkg].index(entry)
for expr in entry.Feature:
# check all possible features
cname = expr.Name
pred = expr.Predicate or None
new_prov = self.lookup(cname, pred)
if new_prov is not None:
# pr = {KEY_DT_NAME : new_prov.Name, KEY_DT_VERS : new_prov.Name, KEY_DT_PROV_SF : cname}
pr = ProvidesInfo(new_prov.Name, new_prov.Version, "")
pr._SelectedFeature = cname
dt_db[pkg][entry_index].Provider = pr
