def pretty_print(self, pager=False):
"""Draw the tree in the terminal window."""
s = StringIO()
for root in self.roots:
self._pretty_print_subtree(root, string=s)
s = s.getvalue().rstrip()
if pager:
proc = subprocess.Popen(["less"], stdin=subprocess.PIPE)
proc.communicate(input=s.encode("utf-8"))
else:
print(s)
def pretty_print(self, pager=False):
"""Draw the tree in the terminal window."""
s = StringIO()
for root in self.roots:
self._pretty_print_subtree(root, string=s)
s = s.getvalue().rstrip()
if pager:
proc = subprocess.Popen(["less"], stdin=subprocess.PIPE)
proc.communicate(input=s.encode("utf-8"))
else:
print(s)
