quote-generator-backend / QuoteGenerator.py
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Quote Generator Backend init
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from transformers import AutoTokenizer, TFGPT2LMHeadModel, pipeline
from transformers.pipelines import TextGenerationPipeline
from typing import Union
class QuoteGenerator():
def __init__(self, model_name:str='gruhit13/quote_generator_v1'):
self.model_name = model_name
self.quote_generator: TextGenerationPipeline
self.tokenizer = AutoTokenizer.from_pretrained(self.model_name)
self.model = TFGPT2LMHeadModel.from_pretrained(self.model_name)
self.default_tags = 'love,life'
print("Model has been loaded")
def load_generator(self) -> None:
self.quote_generator = pipeline('text-generation', model=self.model, tokenizer=self.tokenizer)
print("Pipeline has been generated")
def preprocess_tags(self, tags: Union[None, str] = None) -> str:
if tags is None:
tags = self.default_tags
return self.tokenizer.bos_token + tags + '<bot>:'
def generate_quote(self, tags:Union[None, str]=None,
min_length: int=3, max_length:int=60,
top_p:float=0.9, top_k:int=5):
tags = self.preprocess_tags(tags)
print("Tags = ", tags)
output = self.quote_generator(tags, min_length=min_length, max_length=max_length,
temperature=1.0, top_k=5, top_p=top_p, early_stopping=True,
num_beams=4)
return output[0]['generated_text']