Tag: tree

Python Element Tree Writing to New File

Hi so I’ve been struggling with this and can’t quite figure out why I’m getting errors. Trying to export just some basic XML into a new file, keeps giving me a TypeError. Below is a small sample of the code Answer The ElementTree.write method defaults to us-ascii encoding and as such expects a file opened for writing binary: The output

Python – Tree without classes

binary-tree python tree

How can I implement a tree without using classes in python? I can only use lists, dictionaries and queue. Obviously without the library bintree. Answer I usually use defaultdict: Usage: bonus: Maria Callas singing O Mio Babbino Caro

Walking/iterating over a nested dictionary of arbitrary depth (the dictionary represents a directory tree)

dictionary iteration python recursion tree

Python newbie at time of writing. This came up because I want a user to be able to select a group of files from within a directory (and also any subdirectory), and unfortunately Tkinter’s default ability for selecting multiple files in a file dialog is broken on Windows 7 (http://bugs.python.org/issue8010). So I am attempting to represent a directory structure by

Python file parsing: Build tree from text file

algorithm python recursion tree

I have an indented text file that will be used to build a tree. Each line represents a node, and indents represent depth as well as node the current node is a child of. For example, a file might look like ROOT Node1 Node2 Node3 Node4 Node5 Node6 Which indicates that ROOT contains three children: 1, 5, and 6, Node1