Python Tree Data.
Project description
Getting started
Usage is simple.
Construction
>>> from anytree import Node, RenderTree >>> udo = Node("Udo") >>> marc = Node("Marc", parent=udo) >>> lian = Node("Lian", parent=marc) >>> dan = Node("Dan", parent=udo) >>> jet = Node("Jet", parent=dan) >>> jan = Node("Jan", parent=dan) >>> joe = Node("Joe", parent=dan)
Node
>>> print(udo) Node('Udo') >>> print(joe) Node('Udo/Dan/Joe')
Tree
>>> for pre, fill, node in RenderTree(udo): ... print("%s%s" % (pre, node.name)) Udo ├── Marc │ └── Lian └── Dan ├── Jet ├── Jan └── Joe
Manipulation
A second tree:
>>> mary = Node("Mary") >>> urs = Node("Urs", parent=mary) >>> chris = Node("Chris", parent=mary) >>> marta = Node("Marta", parent=mary) >>> print(RenderTree(mary)) Node('Mary') ├── Node('Mary/Urs') ├── Node('Mary/Chris') └── Node('Mary/Marta')
Append:
>>> udo.parent = mary >>> print(RenderTree(mary)) Node('Mary') ├── Node('Mary/Urs') ├── Node('Mary/Chris') ├── Node('Mary/Marta') └── Node('Mary/Udo') ├── Node('Mary/Udo/Marc') │ └── Node('Mary/Udo/Marc/Lian') └── Node('Mary/Udo/Dan') ├── Node('Mary/Udo/Dan/Jet') ├── Node('Mary/Udo/Dan/Jan') └── Node('Mary/Udo/Dan/Joe')
Subtree rendering:
>>> print(RenderTree(marc)) Node('Mary/Udo/Marc') └── Node('Mary/Udo/Marc/Lian')
Cut:
>>> dan.parent = None >>> print(RenderTree(dan)) Node('Dan') ├── Node('Dan/Jet') ├── Node('Dan/Jan') └── Node('Dan/Joe')
Installation
To install the anytree module run:
pip install anytree
If you do not have write-permissions to the python installation, try:
pip install anytree –user
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