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Support to print multiple data properties in Tree.show() #191

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Support to print multiple data properties in Tree.show() #191

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cc6eac2
Multiple attr support for show() function
Enoch2090 Dec 11, 2021
d3aa8cc
Multiple attr support for show() function
Enoch2090 Dec 11, 2021
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14 changes: 14 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,20 @@ treelib

Tree implementation in python: simple for you to use.

## Modifications

```sh
treelib/tree.py/Tree.show()
```

The original treelib only supports `data_property` argument as a `string`, and prints the corresponding attribute of the node data. This modification allows `data_property` argument to be a `list`, and prints the corresponding attributes in the list. For instance:

```python
sent_trees[5].show(data_property=["text", "dep_"])
```

------

[![Build Status](https://travis-ci.org/caesar0301/treelib.svg?branch=master)](https://travis-ci.org/caesar0301/treelib)
[![Documentation Status](https://readthedocs.org/projects/treelib/badge/?version=latest)](http://treelib.readthedocs.io/en/latest/?badge=latest)
[![Status](https://img.shields.io/pypi/status/treelib.svg)](https://pypi.python.org/pypi/treelib)
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20 changes: 15 additions & 5 deletions treelib/tree.py
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Expand Up @@ -173,11 +173,21 @@ def __print_backend(self, nid=None, level=ROOT, idhidden=True, filter=None,
# Factory for proper get_label() function
if data_property:
if idhidden:
def get_label(node):
return getattr(node.data, data_property)
if type(data_property) is str:
def get_label(node):
return getattr(node.data, data_property)
elif type(data_property) is list:
def get_label(node):
properties = ", ".join(["%s: %s" % (d, getattr(node.data, d)) for d in data_property])
return properties
else:
def get_label(node):
return "%s[%s]" % (getattr(node.data, data_property), node.identifier)
if type(data_property) is str:
def get_label(node):
return "%s[%s]" % (getattr(node.data, data_property), node.identifier)
elif type(data_property) is list:
def get_label(node):
properties = ", ".join(["%s: %s" % (d, getattr(node.data, d)) for d in data_property])
return "%s[%s]" % (properties, node.identifier)
else:
if idhidden:
def get_label(node):
Expand Down Expand Up @@ -809,7 +819,7 @@ def show(self, nid=None, level=ROOT, idhidden=True, filter=None,
:param key: the ``key`` param for sorting :class:`Node` objects in the same level.
:param reverse: the ``reverse`` param for sorting :class:`Node` objects in the same level.
:param line_type:
:param data_property: the property on the node data object to be printed.
:param data_property: the property on the node data object to be printed. # modified: Now data_property can be either a str or a list of strs.
:return: None
"""
self._reader = ""
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