def _remaining_blank_nets(self, ip, depth):
if not self.show_unused_addresses:
return []
rows = []
tTree = self.tree
subtree = IPtree.getSubtree(tTree, ip)
nets = self.generate_matrix_nets(ip)
for net in nets:
overlap = False
for subnet in subtree.keys():
if subnet.overlaps(net) == 1:
overlap = True
break
if overlap or IPtree.search(subtree, net):
continue
else:
rows.append([
self.Cell(
colspan=1,
color=None,
content='{0} {1}'.format(
Matrix.print_depth(depth),
_netlink(net))),
self.Cell(
colspan=self.num_columns,
color=None,
content=' ')
])
return rows
def _remaining_blank_nets(self, ip, depth):
if not self.show_unused_addresses:
return []
rows = []
tTree = self.tree
subtree = IPtree.getSubtree(tTree, ip)
nets = self.generate_matrix_nets(ip)
for net in nets:
overlap = False
for subnet in subtree.keys():
if subnet.overlaps(net) == 1:
overlap = True
break
if overlap or IPtree.search(subtree, net):
continue
else:
rows.append([
self.Cell(colspan=1,
color=None,
content='{0} {1}'.format(
Matrix.print_depth(depth), _netlink(net))),
self.Cell(colspan=self.num_columns,
color=None,
content=' ')
])
return rows
def has_too_small_nets(self, net):
"""
Returns True if argument ``net'' has too many small subnets for the
matrix.
"""
for net in IPtree.get_subtree(self.tree, net):
if net.prefixlen() > self.end_net.prefixlen():
return True
return False
def __init__(self, start_net, end_net=None, bits_in_matrix=3):
if end_net is None:
end_net = IPtools.getLastSubnet(start_net)
self.start_net = start_net
self.end_net = end_net
self.bits_in_matrix = bits_in_matrix
self.tree = IPtree.build_tree(start_net,
end_net,
bits_in_matrix=bits_in_matrix,
add_missing_nets=True)
self.tree_nets = self.extract_tree_nets()
self.matrix_nets = self.extract_matrix_nets()
self.heading_colspan = 1
self.nodes = None
self.num_columns = None
self.column_headings = None
def extract_matrix_nets(self):
"""These should be shown as horizontal rows in the matrix."""
return IPtree.extract_subtrees_with_prefix_length(
self.tree,
self.end_net.prefixlen() - self.bits_in_matrix)
def extract_tree_nets(self):
"""These should be listed vertically in the leftmost column."""
return IPtree.remove_subnets_with_prefixlength(
self.tree,
self.end_net.prefixlen() - self.bits_in_matrix + 1)