spaCy/examples/streamlit_spacy.py

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2019-10-02 02:21:20 +03:00
# coding: utf-8
"""
Example of a Streamlit app for an interactive spaCy model visualizer. You can
either download the script, or point streamlit run to the raw URL of this
file. For more details, see https://streamlit.io.
Installation:
pip install streamlit
python -m spacy download en_core_web_sm
python -m spacy download en_core_web_md
python -m spacy download de_core_news_sm
Usage:
streamlit run streamlit_spacy.py
"""
from __future__ import unicode_literals
import streamlit as st
import spacy
from spacy import displacy
import pandas as pd
SPACY_MODEL_NAMES = ["en_core_web_sm", "en_core_web_md", "de_core_news_sm"]
DEFAULT_TEXT = "Mark Zuckerberg is the CEO of Facebook."
HTML_WRAPPER = """<div style="overflow-x: auto; border: 1px solid #e6e9ef; border-radius: 0.25rem; padding: 1rem; margin-bottom: 2.5rem">{}</div>"""
@st.cache(allow_output_mutation=True)
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def load_model(name):
return spacy.load(name)
@st.cache(allow_output_mutation=True)
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def process_text(model_name, text):
nlp = load_model(model_name)
return nlp(text)
st.sidebar.title("Interactive spaCy visualizer")
st.sidebar.markdown(
"""
Process text with [spaCy](https://spacy.io) models and visualize named entities,
dependencies and more. Uses spaCy's built-in
[displaCy](http://spacy.io/usage/visualizers) visualizer under the hood.
"""
)
spacy_model = st.sidebar.selectbox("Model name", SPACY_MODEL_NAMES)
model_load_state = st.info(f"Loading model '{spacy_model}'...")
nlp = load_model(spacy_model)
model_load_state.empty()
text = st.text_area("Text to analyze", DEFAULT_TEXT)
doc = process_text(spacy_model, text)
if "parser" in nlp.pipe_names:
st.header("Dependency Parse & Part-of-speech tags")
st.sidebar.header("Dependency Parse")
split_sents = st.sidebar.checkbox("Split sentences", value=True)
collapse_punct = st.sidebar.checkbox("Collapse punctuation", value=True)
collapse_phrases = st.sidebar.checkbox("Collapse phrases")
compact = st.sidebar.checkbox("Compact mode")
options = {
"collapse_punct": collapse_punct,
"collapse_phrases": collapse_phrases,
"compact": compact,
}
docs = [span.as_doc() for span in doc.sents] if split_sents else [doc]
for sent in docs:
html = displacy.render(sent, options=options)
# Double newlines seem to mess with the rendering
html = html.replace("\n\n", "\n")
if split_sents and len(docs) > 1:
st.markdown(f"> {sent.text}")
st.write(HTML_WRAPPER.format(html), unsafe_allow_html=True)
if "ner" in nlp.pipe_names:
st.header("Named Entities")
st.sidebar.header("Named Entities")
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label_set = nlp.get_pipe("ner").labels
labels = st.sidebar.multiselect(
"Entity labels", options=label_set, default=list(label_set)
)
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html = displacy.render(doc, style="ent", options={"ents": labels})
# Newlines seem to mess with the rendering
html = html.replace("\n", " ")
st.write(HTML_WRAPPER.format(html), unsafe_allow_html=True)
attrs = ["text", "label_", "start", "end", "start_char", "end_char"]
if "entity_linker" in nlp.pipe_names:
attrs.append("kb_id_")
data = [
[str(getattr(ent, attr)) for attr in attrs]
for ent in doc.ents
if ent.label_ in labels
]
df = pd.DataFrame(data, columns=attrs)
st.dataframe(df)
if "textcat" in nlp.pipe_names:
st.header("Text Classification")
st.markdown(f"> {text}")
df = pd.DataFrame(doc.cats.items(), columns=("Label", "Score"))
st.dataframe(df)
vector_size = nlp.meta.get("vectors", {}).get("width", 0)
if vector_size:
st.header("Vectors & Similarity")
st.code(nlp.meta["vectors"])
text1 = st.text_input("Text or word 1", "apple")
text2 = st.text_input("Text or word 2", "orange")
doc1 = process_text(spacy_model, text1)
doc2 = process_text(spacy_model, text2)
similarity = doc1.similarity(doc2)
if similarity > 0.5:
st.success(similarity)
else:
st.error(similarity)
st.header("Token attributes")
if st.button("Show token attributes"):
attrs = [
"idx",
"text",
"lemma_",
"pos_",
"tag_",
"dep_",
"head",
"ent_type_",
"ent_iob_",
"shape_",
"is_alpha",
"is_ascii",
"is_digit",
"is_punct",
"like_num",
]
data = [[str(getattr(token, attr)) for attr in attrs] for token in doc]
df = pd.DataFrame(data, columns=attrs)
st.dataframe(df)
st.header("JSON Doc")
if st.button("Show JSON Doc"):
st.json(doc.to_json())
st.header("JSON model meta")
if st.button("Show JSON model meta"):
st.json(nlp.meta)