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generate_tree.py
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generate_tree.py
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from __future__ import print_function
import argparse
import os
import shutil
import random
import numpy as np
parser = argparse.ArgumentParser()
parser.add_argument('--dir', help="data directory", default="data-orchard")
parser.add_argument('--max_args', help="max number of integers per value node", type=int, default=2)
parser.add_argument('--max_depth', help="max depth of tree", type=int, default=6)
parser.add_argument('--size', help="size of data set in 000s", type=int, default=10)
parser.add_argument('--mm', help='add min max', action='store_true', default=False)
parser.add_argument('--fl', help='add first last', action='store_true', default=False)
parser.add_argument('--ms', help='add med summod', action='store_true', default=False)
parser.add_argument('--all', help='use all', action='store_true', default=False)
parser.add_argument('--p', help="probability of branching tree", type=float, default=0.5)
parser.add_argument('--c', help="probabilty of generating copy operator", type=float, default=0.5)
args = parser.parse_args()
COPY = "[COPY"
FIRST = "[FIRST"
LAST = "[LAST"
MIN = "[MIN"
MAX = "[MAX"
MED = "[MED"
SUM_MOD = "[SM"
END = "]"
OPERATORS = []
if args.mm:
OPERATORS.append(MIN)
OPERATORS.append(MAX)
if args.fl:
OPERATORS.append(FIRST)
OPERATORS.append(LAST)
if args.ms:
OPERATORS.append(MED)
OPERATORS.append(SUM_MOD)
if args.all:
OPERATORS = [FIRST, LAST, MIN, MAX, MED, SUM_MOD]
OPERATORS_ALL = [COPY, FIRST, LAST, MIN, MAX, MED, SUM_MOD]
VALUES = range(10)
VALUE_P = args.p
VALUE_C = args.c
class Node(object):
def __init__(self, data, depth):
self.data = data
self.left = None
self.right = None
self.depth = depth
class Tree:
def __init__(self, n=2, max_vals=50, max_depth=1, ref_range=0):
self.nodes = []
self.n = n
self.tree = []
self.max_depth = max_depth
self.ref_range = ref_range
self.root = Node([random.choice(OPERATORS)], 0)
if ref_range is 0:
self.make_random_tree(self.root, 0)
else:
self.make_random_tree_copy(self.root, 0)
self.get_tree(self.root)
def make_random_tree(self, node, depth):
""" generate random tree
"""
if (depth >= self.max_depth - 1):
node.right = Node([random.choice(VALUES) for i in range(random.randint(1, args.max_args))], depth+1)
return
p = random.uniform(0,1)
if p < VALUE_P:
node.left = Node([random.choice(OPERATORS)], depth+1)
self.make_random_tree(node.left, depth+1)
else:
node.left = Node([random.choice(VALUES) for i in range(random.randint(1, args.max_args))], depth+1)
p = random.uniform(0,1)
if p < VALUE_P:
node.right = Node([random.choice(OPERATORS)], depth+1)
self.make_random_tree(node.right, depth+1)
else:
node.right = Node([random.choice(VALUES) for i in range(random.randint(1, args.max_args))], depth+1)
def make_random_tree_copy(self, node, depth):
""" generate random tree
"""
if(depth > self.max_depth - 2):
c = random.uniform(0,1)
if c < VALUE_C:
node.right = Node([COPY, random.randrange(self.ref_range)], depth+1)
else:
node.right = Node([random.choice(VALUES) for i in range(random.randint(1, args.max_args))], depth+1)
return
p = random.uniform(0,1)
if p < VALUE_P:
node.left = Node([random.choice(OPERATORS)], depth+1)
self.make_random_tree_copy(node.left, depth+1)
else:
c = random.uniform(0,1)
if c < VALUE_C:
node.left = Node([COPY, random.randrange(self.ref_range)], depth+1)
else:
node.left = Node([random.choice(VALUES) for i in range(random.randint(1, args.max_args))], depth+1)
p = random.uniform(0,1)
if p < VALUE_P:
node.right = Node([random.choice(OPERATORS)], depth+1)
self.make_random_tree_copy(node.right, depth+1)
else:
c = random.uniform(0,1)
if c < VALUE_C:
node.right = Node([COPY, random.randrange(self.ref_range)], depth+1)
else:
node.right = Node([random.choice(VALUES) for i in range(random.randint(1, args.max_args))], depth+1)
def get_tree(self, root):
def get_tree_(self, node):
if node.data[0] in OPERATORS:
self.tree.append(node.data[0])
if node.left:
get_tree_(self, node.left)
if node.right:
get_tree_(self, node.right)
self.tree.append(END)
else:
for item in node.data:
self.tree.append(item)
if node.data[0] is COPY:
self.tree.append(END)
if node.left:
get_tree_(self, node.left)
if node.right:
get_tree_(self, node.right)
if not self.tree:
get_tree_(self, root)
def levelorder(node):
if node is None:
return
queue = []
result = []
queue.append(node)
while(len(queue) > 0):
for item in queue[0].data:
result.append(item)
node = queue.pop(0)
if node.left is not None:
queue.append(node.left)
if node.right is not None:
queue.append(node.right)
return result
def get_val(tree, position, ref_tree=None):
def to_value(node, ref_tree=None):
queue = []
if node.left:
if node.left.data[0] in VALUES:
for val in node.left.data:
queue.append(val)
elif node.left.data[0] is COPY:
queue.append(get_val(ref_tree, node.left.data[1])[0])
else:
queue.append(to_value(node.left, ref_tree))
if node.right:
if node.right.data[0] in VALUES:
for val in node.right.data:
queue.append(val)
elif node.right.data[0] is COPY:
queue.append(get_val(ref_tree, node.right.data[1])[0])
else:
queue.append(to_value(node.right, ref_tree))
if node.data[0] is SUM_MOD:
return (np.sum(queue)%10)
elif node.data[0] is MIN:
return min(queue)
elif node.data[0] is MAX:
return max(queue)
elif node.data[0] is MED:
return int(np.median(queue))
elif node.data[0] is FIRST:
return queue[0]
elif node.data[0] is LAST:
return queue[-1]
node = tree.root
count = 0
queue = []
queue.append(node)
while count <= position:
for val in queue[0].data:
count += 1
if count > position:
if val in OPERATORS:
val = to_value(queue[0], ref_tree)
if val is COPY:
val = get_val(ref_tree, queue[0].data[1])[0]
return (val, queue[0].depth)
node = queue.pop(0)
if node.left is not None:
queue.append(node.left)
if node.right is not None:
queue.append(node.right)
def get_data(tree, position):
return levelorder(tree.root)[position]
# level order by levels
def levelorder_(root):
if root is None:
return []
result, current = [], [root]
while current:
next_level, vals = [], []
for node in current:
for item in node.data:
vals.append(item)
if node.left:
next_level.append(node.left)
if node.right:
next_level.append(node.right)
current = next_level
result.append(vals)
return result
def sum_level(levelorder_):
val = []
for level in levelorder_:
val.append(np.sum(level))
return val
def generate_traversal(tree, mode, split_point=2):
tree = tree.root
if(mode=='levelorder'):
order = levelorder(tree)
elif(mode=='levelorder_'):
order = levelorder_(tree)
return order
# print("====================================")
# tree1 = Tree(max_depth=args.max_depth)
# print('tree: ', '\t', *tree1.tree, sep=' ')
# order1 = generate_traversal(tree1, 'levelorder')
# print('level by level:' , generate_traversal(tree1, 'levelorder_'))
# print('count=', len(order1))
# for i in range(len(order1)):
# node = get_val(tree1, i)
# print('node ', i, ' ', node[1], ' ', get_data(tree1, i), ' ', node[0])
# print("====================================")
# tree = Tree(max_depth=args.max_depth, ref_range=len(order1))
# print('tree: ', '\t', *tree.tree, sep=' ')
# order = generate_traversal(tree, 'levelorder')
# print('level by level:' , generate_traversal(tree, 'levelorder_'))
# print('count=', len(order))
# for i in range(len(order)):
# node = get_val(tree, i, tree1)
# print('node ', i, ' ', node[1], ' ', get_data(tree, i), ' ', node[0])
import copy
def generate_pointers(output, reference):
output_idx = [reference.index(x) for x in output]
return output_idx
def generate_dataset(root, name, size, depth, min_depth=0):
path = root
stats = [0]*len(OPERATORS_ALL)
stats2 = [0]*len(OPERATORS_ALL)
length1 = [0]*size
length2 = [0]*size
depth1 = [0]*15
depth2 = [0]*15
copy = 0
labels = []
# generate data file
counter = 0
if min_depth != 0:
depths = range(min_depth, depth + 1)
n_bins = depth - min_depth + 1
bin_size = int(size/n_bins) + 1
bin_counter1 = [0] * (depth+1)
bin_counter2 = [0] * (depth+1)
data_path = name + '.input'
data_path = os.path.join(path, data_path)
label_path = name + '.label'
label_path = os.path.join(path, label_path)
with open(data_path, 'w') as fout:
while counter<size:
t1 = Tree(max_depth=depth)
t1len = len(levelorder(t1.root))
t1depth = get_val(t1, t1len -1)[1]
if min_depth == 0:
if t1depth < depth:
continue
t2 = Tree(max_depth=depth, ref_range=t1len)
t2len = len(levelorder(t2.root))
t2depth = get_val(t2, t2len -1, t1)[1]
if min_depth == 0:
if t2depth < depth:
continue
if min_depth != 0:
if t1depth not in depths or t2depth not in depths:
continue
else:
if bin_counter1[t1depth] == bin_size or bin_counter2[t2depth] == bin_size:
continue
else:
bin_counter1[t1depth] += 1
bin_counter2[t2depth] += 1
length1[counter] = t1len
length2[counter] = t2len
counter+=1
depth1[t1depth] += 1
depth2[t2depth] += 1
seq1 = [str(x) for x in t1.tree]
seq2 = [str(x) for x in t2.tree]
seq = seq1 + ['X'] + seq2
for x in seq1:
if x in OPERATORS_ALL:
stats[OPERATORS_ALL.index(x)] += 1
for x in seq2:
if x in OPERATORS_ALL:
stats2[OPERATORS_ALL.index(x)] += 1
if COPY in seq2:
copy += 1
# for i in range(t2len):
# val_ = get_val(t2, i, t1)
# val = [val_[0]]
# print(val)
val_ = get_val(t1, 0)
val = [val_[0]]
val_ = get_val(t2, 0, t1)
val.append(val_[0])
# print("====================================")
# print(t1.tree)
# print(t2.tree)
# print('val = ', val)
labels.append(val)
fout.write("\t".join([" ".join(seq)]))
fout.write('\n')
data_path = 'stats-' + name + '.txt'
data_path = os.path.join(root, data_path)
with open(data_path, 'w') as fout:
stats = stats / np.sum(stats) * 100
stats2 = stats2 / np.sum(stats2) * 100
depth1 = depth1 / np.sum(depth1) * 100
depth2 = depth2 / np.sum(depth2) * 100
copy = copy / counter * 100
fout.write('Number of sequences: ')
fout.write(str(size))
fout.write('\n')
fout.write('Operators in tree 1: ')
fout.write(str(stats))
fout.write('\n')
fout.write('Operators in tree 2: ')
fout.write(str(stats2))
fout.write('\n')
fout.write('Average length of tree 1: Mean = ')
fout.write(str(np.average(length1)))
fout.write('\t Stdev = ')
fout.write(str(np.std(length1)))
fout.write('\n')
fout.write('Average length of tree 2: Mean = ')
fout.write(str(np.average(length2)))
fout.write('\t Stdev = ')
fout.write(str(np.std(length2)))
fout.write('\n')
fout.write('Depths in tree 1: ')
fout.write(str(depth1))
fout.write('\n')
fout.write('Depths in tree 2: ')
fout.write(str(depth2))
fout.write('\n')
fout.write('Percentage of trees with copy operator: ')
fout.write(str(copy))
with open(label_path, 'w') as fout:
for label in labels:
b = [str(x) for x in label]
fout.write(",".join(b))
fout.write('\n')
if __name__ == '__main__':
toy_dir = args.dir
if not os.path.exists(toy_dir):
os.mkdir(toy_dir)
generate_dataset(toy_dir, 'train', 1000 * args.size, args.max_depth, min_depth=3)
generate_dataset(toy_dir, 'valid', 100 * args.size, args.max_depth, min_depth=3)
generate_dataset(toy_dir, 'test', 100 * args.size, args.max_depth, min_depth=3)
for i in range(3,13):
generate_dataset(toy_dir, 'test{}'.format(i), 100 * args.size, i)
# generate_dataset(toy_dir, 'test', 10, args.max_depth)