beanbox-apis / app.py
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from flask import Flask, request, jsonify
import asyncio
from hypercorn.asyncio import serve
from hypercorn.config import Config
import torch.nn.functional as F
from torch import nn
import os
os.environ['CURL_CA_BUNDLE'] = ''
app = Flask(__name__)
from sentence_transformers import SentenceTransformer
sentencemodel = SentenceTransformer('johnpaulbin/toxic-gte-small-3')
USE_GPU = False
""" Use torchMoji to predict emojis from a single text input
"""
import numpy as np
import emoji, json
from torchmoji.global_variables import PRETRAINED_PATH, VOCAB_PATH
from torchmoji.sentence_tokenizer import SentenceTokenizer
from torchmoji.model_def import torchmoji_emojis
import torch
# Emoji map in emoji_overview.png
EMOJIS = ":joy: :unamused: :weary: :sob: :heart_eyes: \
:pensive: :ok_hand: :blush: :heart: :smirk: \
:grin: :notes: :flushed: :100: :sleeping: \
:relieved: :relaxed: :raised_hands: :two_hearts: :expressionless: \
:sweat_smile: :pray: :confused: :kissing_heart: :heartbeat: \
:neutral_face: :information_desk_person: :disappointed: :see_no_evil: :tired_face: \
:v: :sunglasses: :rage: :thumbsup: :cry: \
:sleepy: :yum: :triumph: :hand: :mask: \
:clap: :eyes: :gun: :persevere: :smiling_imp: \
:sweat: :broken_heart: :yellow_heart: :musical_note: :speak_no_evil: \
:wink: :skull: :confounded: :smile: :stuck_out_tongue_winking_eye: \
:angry: :no_good: :muscle: :facepunch: :purple_heart: \
:sparkling_heart: :blue_heart: :grimacing: :sparkles:".split(' ')
def top_elements(array, k):
ind = np.argpartition(array, -k)[-k:]
return ind[np.argsort(array[ind])][::-1]
with open("vocabulary.json", 'r') as f:
vocabulary = json.load(f)
st = SentenceTokenizer(vocabulary, 100)
emojimodel = torchmoji_emojis("pytorch_model.bin")
if USE_GPU:
emojimodel.to("cuda:0")
def deepmojify(sentence, top_n=5, prob_only=False):
list_emojis = []
def top_elements(array, k):
ind = np.argpartition(array, -k)[-k:]
return ind[np.argsort(array[ind])][::-1]
tokenized, _, _ = st.tokenize_sentences([sentence])
tokenized = np.array(tokenized).astype(int) # convert to float first
if USE_GPU:
tokenized = torch.tensor(tokenized).cuda() # then convert to PyTorch tensor
prob = emojimodel.forward(tokenized)[0]
if not USE_GPU:
prob = torch.tensor(prob)
if prob_only:
return prob
emoji_ids = top_elements(prob.cpu().numpy(), top_n)
emojis = map(lambda x: EMOJIS[x], emoji_ids)
list_emojis.append(emoji.emojize(f"{' '.join(emojis)}", language='alias'))
# returning the emojis as a list named as list_emojis
return list_emojis, prob
model = nn.Sequential(
nn.Linear(448, 300), # Increase the number of neurons
nn.ReLU(),
nn.BatchNorm1d(300), # Batch normalization
nn.Linear(300, 300), # Increase the number of neurons
nn.ReLU(),
nn.BatchNorm1d(300), # Batch normalization
nn.Linear(300, 200), # Increase the number of neurons
nn.ReLU(),
nn.BatchNorm1d(200), # Batch normalization
nn.Linear(200, 125), # Increase the number of neurons
nn.ReLU(),
nn.BatchNorm1d(125), # Batch normalization
nn.Linear(125, 2),
nn.Dropout(0.05) # Dropout
)
model.load_state_dict(torch.load("large.pth", map_location=torch.device('cpu')))
model.eval()
@app.route('/infer', methods=['POST'])
def translate():
data = request.get_json()
TEXT = data['text'].lower()
probs = deepmojify(TEXT, prob_only=True)
embedding = sentencemodel.encode(TEXT, convert_to_tensor=True)
INPUT = torch.cat((probs, embedding))
output = F.softmax(model(INPUT.view(1, -1)), dim=1)
if output[0][1] > 0.68:
output = "true"
else:
output = "false"
return output
@app.route('/inferverbose', methods=['POST'])
def translateverbose():
data = request.get_json()
TEXT = data['text'].lower()
probs = deepmojify(TEXT, prob_only=True)
embedding = sentencemodel.encode(TEXT, convert_to_tensor=True)
INPUT = torch.cat((probs, embedding))
output = F.softmax(model(INPUT.view(1, -1)), dim=1)
if output[0][1] > 0.4:
output = "true" + str(output[0][1])
else:
output = "false" + str(output[0][0])
return output
# Define more routes for other operations like download_model, etc.
if __name__ == "__main__":
config = Config()
config.bind = ["0.0.0.0:7860"] # You can specify the host and port here
asyncio.run(serve(app, config))