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# librerias propias del lenguaje | |
from datetime import datetime | |
from datetime import date | |
import os | |
# librerias para la API | |
from pydantic import BaseModel | |
from fastapi import FastAPI, HTTPException | |
from fastapi.middleware.cors import CORSMiddleware | |
from fastapi.responses import FileResponse | |
from fastapi import APIRouter, Depends, status | |
import uvicorn | |
# librerias para el pdf | |
from reportlab.pdfgen import canvas | |
from reportlab.lib.pagesizes import letter | |
from reportlab.pdfbase import pdfmetrics | |
from reportlab.pdfbase.ttfonts import TTFont | |
from reportlab.platypus import Table, TableStyle | |
# importar librerias para la conexion a la base de datos | |
from queue import Queue | |
import sqlite3 | |
import threading | |
# clase para la conexion a la base de datos | |
from database.conexion import DatabaseConnection | |