orchard

example_1.py

'''
trivial orchard example
exploring multidimensional dynamic data types
'''
def create_orchard():
	return {'orchard':[]}

def add_tree_row(orchard, n=1):
	for x in xrange(n):
		orchard['orchard'].append({'tree_row':[]})
	return orchard

def add_tree(orchard, tree_row_index, n=1 ):
	for x in xrange(n):
		orchard['orchard'][tree_row_index]['tree_row'].append({'tree':[]})
	return orchard

def add_apple(orchard, tree_row_index, tree_index, n=1):
	for x in xrange(n):
		orchard['orchard'][tree_row_index]['tree_row'][tree_index]['tree'].append('apple')
	return orchard


# this function is just used to indent and print the nested elements of a given dynamic datatype
# modified from stack overflow to support lists
def pretty(d, indent=0):
	if isinstance(d, dict):
		for key, value in d.iteritems():
			print '-\t' * indent + str(key)
			if isinstance(value, dict):
				pretty(value, indent+1)
			elif isinstance(value, list):
				for i in value:
					pretty(i, indent+1)
			else:
				print '-\t' * (indent+1) + str(value)
	else:
		print '-\t' * (indent+1) + d


#creating the orchard

o = create_orchard()
o = add_tree_row(o)
#add tree to first tree_row
o = add_tree(o, 0)
#add apple to first tree in first tree_row
o = add_apple(o, 0 , 0)

print '_____________________________________________'
print '*An orchard with 1 tree row, 1 tree, 1 apple\n'
pretty(o,1)
#add apple to first tree in first tree_row
o = add_apple(o,0,0)
#add tree to first tree_row
o = add_tree(o,0)
#add second tree_row to orchard
o = add_tree_row(o)
# add tree to second tree_row
o = add_tree(o,1)
print '_____________________________________________'
print '*after adding a few elements'
pretty(o,1)
# add 10 apples to first tree in second tree_Row
o = add_apple(o,1,0,10)
# add 5 trees to second tree_row
o = add_tree(o,1,5)
print '_____________________________________________'
print '*After adding a bunch of stuff\n'
pretty(o,1)
print '_____________________________________________'