def needed_by(self, iid):
try:
from pyinstl import installItemGraph
InstallItem.begin_get_for_all_oses()
graph = installItemGraph.create_dependencies_graph(self.install_definitions_index)
needed_by_list = installItemGraph.find_needed_by(graph, iid)
InstallItem.reset_get_for_all_oses()
return needed_by_list
except ImportError: # no installItemGraph, no worry
print("Could not load installItemGraph")
return None
def find_cycles(self):
if not self.install_definitions_index:
print ("index empty - nothing to check")
else:
try:
from pyinstl import installItemGraph
depend_graph = installItemGraph.create_dependencies_graph(self.install_definitions_index)
depend_cycles = installItemGraph.find_cycles(depend_graph)
if not depend_cycles:
print ("No depend cycles found")
else:
for cy in depend_cycles:
print("depend cycle:", " -> ".join(cy))
inherit_graph = installItemGraph.create_inheritItem_graph(self.install_definitions_index)
inherit_cycles = installItemGraph.find_cycles(inherit_graph)
if not inherit_cycles:
print ("No inherit cycles found")
else:
for cy in inherit_cycles:
print("inherit cycle:", " -> ".join(cy))
except ImportError: # no installItemGraph, no worry
print("Could not load installItemGraph")
