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run_ticket_generator.py
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run_ticket_generator.py
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from __future__ import annotations
import logging
import hydra
import pandas as pd
import torch
from hydra.utils import instantiate
from ticket_generation.src.df_provider.df_provider import DfProvider
from ticket_generation.src.employee_generator import EmployeeAbsenceGenerator, EmployeeGenerator
from ticket_generation.src.text_generator import LanguageModel, MailDataset
from ticket_generation.src.text_generator.text_generator import TicketTextGenerator
from util.util import check_ticket_generation_config, entityType
logging.basicConfig()
logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)
def get_models(params, use_gpu, device):
model, tokenizer = LanguageModel.get_gpt2_model_and_tokenizer(
model_id=params["model"],
do_sample=params["do_sample"],
top_k=params["top_k"],
top_p=params["top_p"],
repetition_penalty=params["repetition_penalty"],
temperature=params["temperature"],
length_penalty=params["length_penalty"],
no_repeat_ngram_size=params["no_repeat_ngram_size"],
bad_words=params["bad_words"],
force_words=params["force_words"],
num_beams=params["num_beams"],
use_gpu=use_gpu,
device=device,
)
spacy_model = LanguageModel.get_spacy_model()
return model, tokenizer, spacy_model
def create_tickets(cfg):
"""
Method that creates tickets with their entities.
The tickets are saved in `ticket_generation/output` in json format
Args:
cfg (dict): Dictionary with all the programs params set with Hydra
The params are set in the folder conf/ticket_generation
"""
logger.info("START")
check_ticket_generation_config(cfg)
use_gpu: bool = cfg.gpu.use_gpu
device: str = cfg.gpu.device if use_gpu and torch.cuda.is_available() else "cpu"
logger.info(f"USE_GPU: {use_gpu and torch.cuda.is_available()}")
employee_generator: EmployeeGenerator = instantiate(cfg.ticket_type.employee_generator)
logger.info("GETTING DATASET...")
# Get dataset from dataset_path
df_provider: DfProvider = instantiate(cfg.ticket_type.df_provider, dataset_path=cfg.data_creation.data_path)
data: pd.DataFrame = df_provider.get_dataframe()
logger.info("CREATING EMPLOYEES...")
# Absence is the only case in which there is a Bayesian learning
# Create employees dataset ( with info from Faker and info specific to type of ticket)
if isinstance(employee_generator, EmployeeAbsenceGenerator):
employee_generator.learn_cpds(data)
employees_df: pd.DataFrame = employee_generator.generate_employees(size=cfg.data_creation.number_of_data)
else:
employees_df: pd.DataFrame = employee_generator.generate_employees(
size=cfg.data_creation.number_of_data, data=data
)
logger.info("GETTING MODELS...")
gpt_params: dict = cfg.gpt
model, tokenizer, spacy_model = get_models(params=gpt_params, use_gpu=use_gpu, device=device)
# Finetune models
if cfg.fine_tune.execute:
# Experiment of finetuning GPT model on a dataset
# Does not achieve better results, so usually not used
logger.info("FINETUNING...")
special_tokens: dict = cfg.fine_tune.special_tokens
training_arguments: dict = cfg.fine_tune.training_arguments
LanguageModel.add_special_tokens(tokenizer=tokenizer, model=model, special_tokens=special_tokens)
mail_dataset = MailDataset(
tokenizer=tokenizer,
data_path=f"{cfg.data_creation.data_path}/{cfg.fine_tune.folder}",
special_tokens=special_tokens,
)
LanguageModel.finetune_model(
model=model,
dataset=mail_dataset,
training_arguments=training_arguments,
)
logger.info("CREATING TICKETS...")
logits_processor = []
if cfg.topic_model_generation.execute:
# Experiment of creating tickets with topical model generatio
# See https://arxiv.org/abs/2103.06434
gamma: int = cfg.topic_model_generation.gamma
logit_threshold: int = cfg.topic_model_generation.logit_threshold
topic_index: int = cfg.topic_model_generation.topic_index
num_topics: int = cfg.topic_model_generation.num_topics
create_topic_word: bool = cfg.topic_model_generation.create_topic_word
data_path: str = cfg.topic_model_generation.data_path
special_tokens: dict = cfg.fine_tune.special_tokens
LanguageModel.add_special_tokens(tokenizer=tokenizer, model=model, special_tokens=special_tokens)
logits_processor = LanguageModel.get_logits_processor(
device=device,
gamma=gamma,
logit_threshold=logit_threshold,
topic_index=topic_index,
num_topics=num_topics,
vocab_size=model.vocab_size,
create_topic_word=create_topic_word,
tokenizer=tokenizer,
data_path=data_path,
)
create_only_first_part: bool = cfg.data_creation.create_only_first_part
# Create a ticket text for each employee
ticket_text_generator: TicketTextGenerator = instantiate(
cfg.ticket_type.text_generator,
model=model,
logits_processor=logits_processor,
tokenizer=tokenizer,
spacy_model=spacy_model,
data_path=cfg.data_creation.data_path,
create_only_first_part=create_only_first_part,
min_length=cfg.gpt.min_length,
word_limit=cfg.gpt.word_limit,
use_gpu=use_gpu,
device=device,
)
tickets_generated: list[str]
entities: list[list[entityType]]
tickets_generated, entities = ticket_text_generator.generate_tickets(employees_df)
def _log_tickets(tickets):
for ticket, entity_list in zip(tickets, entities):
logger.info(f"\n\n{ticket}\n\nEntities: {entity_list}\n\n{'-'*50}")
# Log tickets'texts to console output ( also in folders multirun or outputs )
_log_tickets(tickets_generated)
# Save tickets in JSON format in ticket_generation/output
ticket_text_generator.save_tickets_and_entities_to_file(
tickets=tickets_generated,
entities=entities,
ticket_type=cfg.ticket_type.name,
output_path=cfg.data_creation.output_path,
)
@hydra.main(config_path="conf/ticket_generation", config_name="config")
def main(cfg):
"""
Main method to generate new synthetic tickets
Args:
cfg (dict): Dictionary with all the programs params set with Hydra
The params are set in the folder conf/ticket_generation
"""
create_tickets(cfg)
if __name__ == "__main__":
main()