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# %load apps/slider.py
from cgitb import html
import time
import streamlit as st
from annotated_text import annotated_text
import json
import random
import corrector
import classifier
from difflib import SequenceMatcher
def underline_diff(a,b):
# source: https://stackoverflow.com/questions/774316/python-difflib-highlighting-differences-inline
seqm = SequenceMatcher(None, a.split(),b.split())
output= []
for opcode, a0, a1, b0, b1 in seqm.get_opcodes():
if opcode == 'equal':
output.append(' '.join(seqm.a[a0:a1]))
elif opcode == 'insert':
output.append("<ins>" + ' '.join(seqm.b[b0:b1]) + "</ins>")
elif opcode == 'delete':
output.append("<del>" + ' '.join(seqm.a[a0:a1]) + "</del>")
elif opcode == 'replace':
output.append("<ins>" + ' '.join(seqm.b[b0:b1]) + "</ins>") # + " <del>" + ' '.join(seqm.a[a0:a1]) + "</del>")
return ' '.join(output)
with open("examples.txt", "r") as f:
example_sentences = f.readlines()
st.title("Virtual tutor - Proof of concept")
with st.sidebar:
st.image("seedlang_logo.png", width=60)
st.write("You can test here the Grammatical Error Correction and Classification models I developed as part of my internship at Seedlang.")
## include 5 error types
st.subheader("Error types")
st.write("This PoC corrects and detects 5 type of French beginner mistakes:")
error_descriptions = {
"ADJ": """adjective has wrong gender agreement (<i>*la grand table</i>)""",
"ART": """article has wrong gender agreement (<i>*le table</i>)""",
"ELI": """elision is missing (<i>*je adore</i>)""",
"FIN": """non-finite form of the verb instead of a finite form (<i>*je adorer</i>)""",
"NEG": """problem with the position of the negation (<i>*je ne pas adore</i>)"""
}
for error_type, colour in classifier.COLOURS.items():
label = f"""<span style="background: {colour}; border-radius: 0.33rem; padding: 0.125rem 0.5rem; overflow: hidden;"><span style="padding-left: 0.5rem; text-transform: uppercase;"><span style="font-size: 0.67em; opacity: 0.8;">{error_type}</span></span></span> - {error_descriptions[error_type]}"""
st.markdown(label, unsafe_allow_html=True)
st.caption("The example sentences are taken from the development dataset. The errors were artificially generated, and many of the original sentences were too.")
if "value" not in st.session_state:
st.session_state["value"] = random.choice(example_sentences)
random_ex = st.button("Get another random example")
if random_ex:
st.session_state["value"] = random.choice(example_sentences)
sentence = st.text_input("Write a French sentence to correct and label", value=st.session_state["value"])
submit = st.button("Correct")
if submit:
col1, col2 = st.columns(2)
with col1:
st.subheader("Labelled errors")
with st.spinner("Labelling errors"):
annotated_text(*classifier.annotate(sentence))
with col2:
st.subheader("Corrected sentence")
with st.spinner("Correcting the sentence"):
corrected_sent = corrector.correct(sentence)
st.markdown(underline_diff(a=sentence, b=corrected_sent), unsafe_allow_html=True)
st.caption("Those two models are completely independent, but I eventually want to only correct the character spans where an error was detected and classified.") |