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Update app.py (#1)
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from typing import List, Tuple
import pandas as pd
from sentence_transformers import SentenceTransformer, util
import streamlit as st
from st_aggrid import AgGrid, GridOptionsBuilder, JsCode
st.set_page_config(layout='wide')
@st.cache(allow_output_mutation=True)
def load_model():
"""Load pretrained model from SentenceTransformer"""
return SentenceTransformer('all-MiniLM-L6-v2')
def semantic_search(model, sentence, corpus_embeddings):
"""Perform semantic search on the corpus"""
query_embeddings = model.encode(sentence,
convert_to_tensor=True,
normalize_embeddings=True)
hits = util.semantic_search(query_embeddings,
corpus_embeddings,
top_k=len(corpus_embeddings),
score_function=util.dot_score)
return pd.DataFrame(hits[0])
def get_similarity_score(model, data, query, corpus_embeddings):
"""Get similarity score for each data point"""
hits = semantic_search(model, [query], corpus_embeddings)
result = pd.merge(data, hits, left_on='ID', right_on='corpus_id')
result.sort_values(by='score', ascending=False, inplace=True)
return result
@st.cache(allow_output_mutation=True)
def create_embedding(model: SentenceTransformer, data: pd.DataFrame, key: str) -> Tuple[list, list]:
"""Create vector embeddings from the dataset"""
corpus_sentences = data[key].astype(str).tolist()
corpus_embeddings = model.encode(sentences=corpus_sentences,
show_progress_bar=True,
convert_to_tensor=True,
normalize_embeddings=True)
return corpus_embeddings
def load_dataset(columns: List) -> pd.DataFrame:
"""Load real-time dataset from google sheets"""
sheet_id = '1KeuPPVw9gueNmMrQXk1uGFlY9H1vvhErMLiX_ZVRv_Y'
sheet_name = 'Form Response 3'.replace(' ', '%20')
url = f'https://docs.google.com/spreadsheets/d/{sheet_id}/gviz/tq?tqx=out:csv&sheet={sheet_name}'
data = pd.read_csv(url)
data = data.iloc[: , :7]
data.columns = columns
data.insert(0, 'ID', range(len(data)))
return data
def show_aggrid_table(result: pd.DataFrame):
"""Show interactive table from similarity result"""
gb = GridOptionsBuilder.from_dataframe(result)
gb.configure_pagination(paginationAutoPageSize=True)
gb.configure_side_bar()
gb.configure_default_column(min_column_width=200)
gb.configure_selection('multiple', use_checkbox=True, groupSelectsChildren="Group checkbox select children")
gb.configure_column(field='LinkedIn Profile',
headerName='LinkedIn Profile',
cellRenderer=JsCode('''function(params) {return `<a href=${params.value} target="_blank">${params.value}</a>`}'''))
grid_options = gb.build()
grid_response = AgGrid(
dataframe=result,
gridOptions=grid_options,
height=1100,
fit_columns_on_grid_load=True,
data_return_mode='AS_INPUT',
update_mode='VALUE_CHANGED',
theme='light',
enable_enterprise_modules=True,
allow_unsafe_jscode=True,
)
def main():
"""Main Function"""
st.title('Job Posting Similarity')
st.write('This app will help you find similar job titles real-time from ecommurz google sheets.')
columns = ['Timestamp', 'Full Name', 'Company', 'Previous Role',
'Experience', 'Last Day', 'LinkedIn Profile']
data = load_dataset(columns)
model = load_model()
corpus_embeddings = create_embedding(model, data, 'Previous Role')
job_title = st.text_input('Insert the job title below:', '')
submitted = st.button('Submit')
if submitted:
st.info(f'Showing results for {job_title}')
result = get_similarity_score(model, data, job_title, corpus_embeddings)
result = result[columns]
# st.download_button(
# "Download Table",
# result.to_csv().encode('utf-8'),
# "result.csv",
# "text/csv",
# key='download-csv'
# )
show_aggrid_table(result)
if __name__ == '__main__':
main()