def nextbacktree(t, i, q=None, lim=0, maxdepth=None):
"""
create a tree of ivy.tree.Nodes from table t, with
records having fields next, back, parent, and depth
"""
db = t._db
r = t[int(i)]
limits = dict(orderby=t.next)
limits['orderby'] = t.next
if lim: limits["limitby"] = (0,lim)
q2 = (t.next>r.next)&(t.back<r.back)
if maxdepth:
q2 &= (t.depth <= maxdepth)
recs = db(q)(q2).select(**limits)
root = Node(); root.isroot = True
root.rec = r; root.id = r.id; root.next = r.next; root.back = r.back;
i2n = {}; i2n[r.id] = root
for r in recs:
n = Node()
n.rec = r; n.id = r.id; n.next = r.next; n.back = r.back; n.parent = i2n[r.parent];
if (((not maxdepth) and (r.next==r.back-1)) or
(maxdepth and (n.depth == maxdepth))):
n.isleaf = True
i2n[r.id] = n
i2n[r.parent].add_child(n)
return root
def nextbacktree(t, i, q=None, lim=0, maxdepth=None):
"""
create a tree of ivy.tree.Nodes from table t, with
records having fields next, back, parent, and depth
"""
db = t._db
r = t[int(i)]
limits = dict(orderby=t.next)
if lim: limits["limitby"] = (0,lim)
q2 = (t.next>r.next)&(t.back<r.back)
if maxdepth:
q2 &= (t.depth <= maxdepth)
recs = db(q)(q2).select(**limits)
#Node = ivy.tree.Node
root = Node(); root.isroot = True
root.rec = r; root.id = r.id
i2n = {}; i2n[r.id] = root
for r in recs:
n = Node()
n.rec = r; n.id = r.id; n.next = r.next; n.back = r.back
if (((not maxdepth) and (r.next==r.back-1)) or
(maxdepth and (n.depth == maxdepth))):
n.isleaf = True
i2n[r.id] = n
i2n[r.parent].add_child(n)
return root
def getNodeFromRowData( row ):
node = Node()
node.id = row[0]; node.next = row[1]; node.back = row[2]; node.length = row[3]; node.label = row[4]
node.taxon = row[5];
return node
def getNodeFromRowData(row):
node = Node()
node.id = row[0]
node.next = row[1]
node.back = row[2]
node.length = row[3]
node.label = row[4]
node.taxon = row[5]
return node