deplacy

Simple dependency visualizer for spaCy, UniDic2UD, Stanza, NLP-Cube, Trankit, etc.

Usage with spaCy

>>> import spacy
>>> nlp=spacy.load("en_core_web_sm")
>>> doc=nlp("I saw a horse yesterday which had no name.")
>>> import deplacy
>>> deplacy.render(doc)
I         PRON  <══════════════╗   nsubj
saw       VERB  ═══════════╗═╗═╝═╗ ROOT
a         DET   <════════╗ ║ ║   ║ det
horse     NOUN  ═══════╗═╝<╝ ║   ║ dobj
yesterday NOUN  <══════║═════╝   ║ npadvmod
which     DET   <════╗ ║         ║ nsubj
had       AUX   ═══╗═╝<╝         ║ relcl
no        DET   <╗ ║             ║ det
name      NOUN  ═╝<╝             ║ dobj
.         PUNCT <════════════════╝ punct

deplacy.render(doc,BoxDrawingWidth=1,EnableCR=False,WordRight=False,CatenaAnalysis=True,file=None,Japanese=False) renders doc on a terminal. For old terminals, whose Box Drawing characters are "fullwidth", BoxDrawingWidth=2 nicely works. For several languages with "proportional" characters, EnableCR=True or WordRight=True may work well. CatenaAnalysis=False disables Immediate Catena Analysis.

deplacy.serve(doc,port=5000,RtoL=False) invokes a simple web-server to visualize doc with SVG. Try to connect http://127.0.0.1:5000 with your local browser. For Google Colaboratory, port=None visualizes doc directly on the notebook.

deplacy.dot(doc,RtoL=False) returns raw DOT string for graphviz.Source.

Other usages

Visualization examples

`deplacy.render()`

deplacy.render()

`deplacy.serve()`

deplacy.serve()

`deplacy.dot()`

deplacy.dot()

Installation

pip install deplacy

You need to install spaCy, UniDic2UD, Stanza, NLP-Cube, or Trankit separately. For Google Colaboratories, please follow (and edit) the templates shown below.

Templates for Google Colaboratory

Author

Koichi Yasuoka (安岡孝一)

Reference

Koichi Yasuoka: deplacy: a CUI-based tree visualizer for Universal Dependencies, IPSJ Symposium Series, Vol.2020, No.1 (December 2020), pp.95-100.

Metadata

Release files for deplacy 2.1.1

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Table of built distributions (wheels) for deplacy 2.1.1
File	Interpreter	ABI	Platform	Actions Reset
deplacy-2.1.1-py3-none-any.whl 22.6 kB Aug 31, 2025 Without provenance	Python 3	none	any	Details for deplacy-2.1.1-py3-none-any.whl

Release files / deplacy-2.1.1-py3-none-any.whl

Download URL	deplacy-2.1.1-py3-none-any.whl
Size	22.6 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`23908175371a978768cd63581caf1a16c8eb55bacdfa653908ba1f9587c37c76`
BLAKE2b-256 checksum How to use checksums	`751ada5a1037c0dcca4fba356ae1ea5f9119aa0189e251aedb5b4c693116b151`
Upload date	Aug 31, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/4.0.2 CPython/3.9.2`

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2.1.1 This release

Aug 31, 2025 1 release file No provenance

deplacy 2.1.1