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## Script para descargar ficheros de spectrum a partir de zxdb
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## Imports utilizados en el script
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import logging
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import mysql.connector
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import os
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import random
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import requests
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import shutil
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import time
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import zipfile
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from dotenv import load_dotenv
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from mysql.connector import errorcode
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from unidecode import unidecode
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from urllib.parse import urlparse
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from urllib.request import urlretrieve
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# Cargar las variables de entorno desde el archivo .env
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load_dotenv()
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# Configuración del logger
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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config = {
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"user": os.getenv("DB_USER"),
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"password": os.getenv("DB_PASSWORD"),
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"host": os.getenv("DB_HOST"),
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"port": os.getenv("DB_PORT"),
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"database": os.getenv("DB_NAME"),
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"raise_on_warnings": True,
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}
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# Direcciones de internet de donde descargar los datos
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url_prefix = {
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"spectrum_computing": r"https://spectrumcomputing.co.uk",
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"wos": r"https://php.sustancia.synology.me/wos",
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"nvg": r"https://php.sustancia.synology.me/nvg",
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}
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# Rutas locales donde depositar los resultados
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destination_path = r"/home/sergio/zx/zxdb/games/"
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cache_path = r"/home/sergio/zx/zxdb/cache/games/"
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temp_file = r"/tmp/zxdb.download.tmp"
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# Parametros de configuración
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should_clear_destination_path = True # Establece si se limpia primero la carpeta de destino
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wait = True # Establece una pausa aleatoria entre descargas
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min_wait = 2 # Segundos mínimos a esperar entre descargas
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max_wait = min_wait + 1 # Segundos máximos a esperar entre descargas
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elements = []
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filetypes_on_root = [
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"Tape image",
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"Disk image",
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"Snapshot image",
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"POK pokes file",
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] # Tipos de fichero que se guardan en la carpeta raíz del juego
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# Listado con las consultas
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def select(cursor, query_index=0):
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# Lista de consultas
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queries = []
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# Consulta 0: Devuelve todos los juegos y sus archivos asociados
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queries.append("""
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SELECT DISTINCT
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e.title, l.name, r.release_year, d.file_link, f.text
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FROM
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((((((publishers p
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INNER JOIN entries e ON
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p.entry_id = e.id)
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INNER JOIN labels l ON
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p.label_id = l.id)
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INNER JOIN genretypes g ON
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e.genretype_id = g.id)
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INNER JOIN downloads d ON
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e.id = d.entry_id)
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INNER JOIN filetypes f ON
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d.filetype_id = f.id)
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INNER JOIN releases r ON
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e.id = r.entry_id AND
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p.release_seq = r.release_seq)
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WHERE
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(e.availabletype_id = 'A' OR e.availabletype_id = 'D') AND
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(f.text <> 'Remote link' AND f.text <> '?') AND
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r.release_seq = 0 AND
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(g.text like '%Game:%' AND g.text not like 'Casual%')
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ORDER BY
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e.title;
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""")
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# Consulta 1: Filtra más la consulta anterior
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queries.append("""
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SELECT DISTINCT
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e.title, l.name, r.release_year, d.file_link, f.text
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FROM
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((((((publishers p
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INNER JOIN entries e ON
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p.entry_id = e.id)
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INNER JOIN labels l ON
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p.label_id = l.id)
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INNER JOIN genretypes g ON
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e.genretype_id = g.id)
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INNER JOIN downloads d ON
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e.id = d.entry_id)
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INNER JOIN filetypes f ON
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d.filetype_id = f.id)
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INNER JOIN releases r ON
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e.id = r.entry_id AND
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p.release_seq = r.release_seq)
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WHERE
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(e.availabletype_id = 'A' OR e.availabletype_id = 'D') AND
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(f.text <> 'Remote link' AND f.text <> '?') AND
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r.release_seq = 0 AND
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l.name like 'ZOSYA%' AND
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(g.text like '%Game:%' AND g.text not like 'Casual%')
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ORDER BY
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e.title;
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""")
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# Consulta 2: Devuelve juegos y solo archivos de cinta, disco o pokes
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queries.append("""
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SELECT DISTINCT
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e.title, l.name, r.release_year, d.file_link, f.text
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FROM
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((((((publishers p
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INNER JOIN entries e ON
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p.entry_id = e.id)
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INNERJOIN labels l ON
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p.label_id = l.id)
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INNERJOIN genretypes g ON
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e.genretype_id = g.id)
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INNERJOIN downloads d ON
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e.id = d.entry_id)
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INNERJOIN filetypes f ON
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d.filetype_id = f.id)
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INNERJOIN releases r ON
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e.id = r.entry_id AND
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p.release_seq = r.release_seq)
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WHERE
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(e.availabletype_id = 'A' OR e.availabletype_id = 'D') AND
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(f.text IN ('Tape image','Disk image','Snapshot image','POK pokes file')) AND
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r.release_seq = 0 AND
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(g.text like '%Game:%' AND g.text not like 'Casual%')
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ORDER BY
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e.title;
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""")
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# Ejecutar la consulta seleccionada
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cursor.execute(queries[query_index])
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# Procesar los resultados
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for row in cursor:
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element = {
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"title": row[0],
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"developer": row[1],
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"release_year": row[2],
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"url": row[3],
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"filetype": row[4],
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}
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elements.append(element)
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# Registro de consulta ejecutada
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logging.info(f"Consulta {query_index} ejecutada correctamente con {len(elements)} resultados.")
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# Establece la conexión a la BBDD y ejecuta la consulta
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def connect(query_index=0):
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try:
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with mysql.connector.connect(**config) as connection:
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with connection.cursor() as cursor:
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# Ejecutar la consulta 1
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select(cursor, query_index=query_index)
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except mysql.connector.Error as err:
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if err.errno == errorcode.ER_ACCESS_DENIED_ERROR:
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logging.error("Algo está mal con tu nombre de usuario o contraseña.")
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elif err.errno == errorcode.ER_BAD_DB_ERROR:
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logging.error("La base de datos no existe.")
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else:
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logging.error(err)
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except Exception as e:
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logging.error(f"Error inesperado: {e}")
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# Procesa todos lo elementos, modificando cada uno de sus parametros
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def process_elements():
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global elements
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for i in range(len(elements)):
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# Construye el nombre de la carpeta raiz
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elements[i]["root_folder"] = (
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elements[i]["title"]
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+ " ("
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+ str(elements[i]["release_year"])
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+ ")("
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+ elements[i]["developer"]
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+ ")"
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)
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elements[i]["root_folder"] = normalize_path(elements[i]["root_folder"])
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# Obtiene el nombre del fichero a partir de la url de descarga
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elements[i]["file_name"] = url_filename(elements[i]["url"])
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# Establece la subcarpeta dentro de la raiz
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elements[i]["subfolder"] = ""
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if elements[i]["filetype"] not in filetypes_on_root:
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elements[i]["subfolder"] = normalize_path(elements[i]["filetype"])
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# Averigua si el fichero está en formato .zip
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elements[i]["is_zip"] = elements[i]["file_name"].endswith(".zip")
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# Calcula el nombre del fichero si es un zip
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elements[i]["non_zip_file_name"] = elements[i]["file_name"]
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if elements[i]["is_zip"]:
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elements[i]["non_zip_file_name"] = elements[i]["file_name"][:-4]
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# Añade el prefijo a la url
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if elements[i]["url"].startswith("/zxdb"):
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elements[i]["url"] = url_prefix["spectrum_computing"] + str(
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elements[i]["url"]
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)
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elif elements[i]["url"].startswith("/pub"):
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elements[i]["url"] = url_prefix["wos"] + str(elements[i]["url"][4:])
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elif elements[i]["url"].startswith("/nvg"):
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elements[i]["url"] = url_prefix["nvg"] + str(elements[i]["url"][4:])
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# Devuelve el fichero que forma la parte final de una URL
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def url_filename(url):
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parsed_url = urlparse(url)
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path = parsed_url.path
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filename = os.path.basename(path)
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return filename
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# Descarga un fichero a partir de una URL
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def download_file(url, dest):
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try:
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r = requests.get(url)
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if r.status_code != 200:
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return False
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with open(dest, "wb") as f:
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f.write(r.content)
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return True
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except requests.exceptions.Timeout:
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# Maybe set up for a retry, or continue in a retry loop
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print("Timeout: {}".format(url))
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except requests.exceptions.TooManyRedirects:
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# Tell the user their URL was bad and try a different one
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print("Bad URL: {}".format(url))
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except requests.exceptions.RequestException as e:
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# catastrophic error. bail.
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raise SystemExit(e)
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# Descomprime los ficheros que coinciden con la lista de extensiones
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def unzip_file(src, dst):
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# with zipfile.ZipFile(src, "r") as zip_ref:
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# zip_ref.extractall(dst)
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archive = src
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directory = dst
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extensions = (".z80", ".sna", ".tzx", ".tap", "dsk", ".trd", ".Z80", ".SNA", ".TZX", ".TAP", "DSK", ".TRD")
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zip_file = zipfile.ZipFile(archive, "r")
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[
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zip_file.extract(file, directory)
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for file in zip_file.namelist()
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if file.endswith(extensions)
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]
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zip_file.close()
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# Obtiene los ficheros de la consulta desde internet o desde la caché
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# y los deposita en la carpeta destino, descomprimiendo los archivos necesarios
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def get_files():
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# Variables para la presentación en pantalla de la descarga
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current_file = 0
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total_files = len(elements)
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total_files_width = len(str(total_files))
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last_game_folder = ""
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for element in elements:
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# Carpeta del juego en destino y en caché
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game_folder = element["root_folder"]
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destination_folder = os.path.join(destination_path, element["root_folder"])
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destination_subfolder = os.path.join(destination_folder, element["subfolder"])
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cache_folder = os.path.join(cache_path, element["root_folder"])
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cache_subfolder = os.path.join(cache_folder, element["subfolder"])
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# Ruta completa hasta el fichero de destino y de caché
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destination_file = os.path.join(destination_subfolder, element["file_name"])
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cache_file = os.path.join(cache_subfolder, element["file_name"])
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# Actualiza las variables de presentación
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current_file = current_file + 1
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if game_folder != last_game_folder:
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print("\n{}".format(game_folder))
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last_game_folder = game_folder
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#print(
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# "(WORKING : {} ({})".format(
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# element["file_name"],
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# element["filetype"]
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# )
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#)
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# Comprueba si ya existe el fichero a descargar
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if not os.path.isfile(destination_file) and (
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not os.path.isfile(
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os.path.join(destination_subfolder, element["non_zip_file_name"])
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)
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):
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# Comprueba si ya existe el fichero en la cache
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if os.path.isfile(cache_file):
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# Si encuentra el fichero en cache, crea las carpetas de destino y lo copia o lo extrae
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if not os.path.isdir(destination_folder):
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os.mkdir(destination_folder)
|
|
|
|
|
if not os.path.isdir(destination_subfolder):
|
|
|
|
|
os.mkdir(destination_subfolder)
|
|
|
|
|
if cache_file.endswith(".zip") and element["subfolder"] == "":
|
|
|
|
|
unzip_file(cache_file, destination_subfolder)
|
|
|
|
|
else:
|
|
|
|
|
shutil.copyfile(cache_file, destination_file)
|
|
|
|
|
print(
|
|
|
|
|
"({:{width}} / {}) : cached : {} ({})".format(
|
|
|
|
|
current_file,
|
|
|
|
|
total_files,
|
|
|
|
|
element["file_name"],
|
|
|
|
|
element["filetype"],
|
|
|
|
|
width=total_files_width,
|
|
|
|
|
)
|
|
|
|
|
)
|
|
|
|
|
# El fichero no está en la cache
|
|
|
|
|
else:
|
|
|
|
|
status = "not found "
|
|
|
|
|
if download_file(element["url"], temp_file):
|
|
|
|
|
status = "downloaded"
|
|
|
|
|
if os.path.isfile(temp_file):
|
|
|
|
|
# Copia el fichero temnporal a la cache
|
|
|
|
|
if not os.path.isdir(cache_folder):
|
|
|
|
|
os.mkdir(cache_folder)
|
|
|
|
|
if not os.path.isdir(cache_subfolder):
|
|
|
|
|
os.mkdir(cache_subfolder)
|
|
|
|
|
shutil.copyfile(temp_file, cache_file)
|
|
|
|
|
os.remove(temp_file)
|
|
|
|
|
# Copia el fichero de la cache al destino
|
|
|
|
|
if os.path.isfile(cache_file):
|
|
|
|
|
if not os.path.isdir(destination_folder):
|
|
|
|
|
os.mkdir(destination_folder)
|
|
|
|
|
if not os.path.isdir(destination_subfolder):
|
|
|
|
|
os.mkdir(destination_subfolder)
|
|
|
|
|
if (
|
|
|
|
|
cache_file.endswith(".zip")
|
|
|
|
|
and element["subfolder"] == ""
|
|
|
|
|
):
|
|
|
|
|
unzip_file(cache_file, destination_folder)
|
|
|
|
|
else:
|
|
|
|
|
shutil.copyfile(cache_file, destination_file)
|
|
|
|
|
print(
|
|
|
|
|
"({:{width}} / {}) : {} : {} ({})".format(
|
|
|
|
|
current_file,
|
|
|
|
|
total_files,
|
|
|
|
|
status,
|
|
|
|
|
element["file_name"],
|
|
|
|
|
element["filetype"],
|
|
|
|
|
width=total_files_width,
|
|
|
|
|
)
|
|
|
|
|
)
|
|
|
|
|
if wait:
|
|
|
|
|
time.sleep(random.randint(min_wait, max_wait))
|
|
|
|
|
|
|
|
|
|
# El fichero ya existe en el destino
|
|
|
|
|
else:
|
|
|
|
|
print(
|
|
|
|
|
"({:{width}} / {}) : skipping : {} ({})".format(
|
|
|
|
|
current_file,
|
|
|
|
|
total_files,
|
|
|
|
|
element["file_name"],
|
|
|
|
|
element["filetype"],
|
|
|
|
|
width=total_files_width,
|
|
|
|
|
)
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Elimina los caracteres ilegales de la cadena de texto
|
|
|
|
|
def normalize_path(path):
|
|
|
|
|
illegal_chars = ["<", ">", ":", '"', "/", "\\", "|", "?", "*"]
|
|
|
|
|
replace_with = ""
|
|
|
|
|
for char in illegal_chars:
|
|
|
|
|
path = unidecode(path.replace(char, replace_with))
|
|
|
|
|
return path
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Limpia la carpeta de destino
|
|
|
|
|
def clear_destination_folder():
|
|
|
|
|
if should_clear_destination_path:
|
|
|
|
|
print("Clear destination folder ...")
|
|
|
|
|
folder = destination_path
|
|
|
|
|
for filename in os.listdir(folder):
|
|
|
|
|
file_path = os.path.join(folder, filename)
|
|
|
|
|
try:
|
|
|
|
|
if os.path.isfile(file_path) or os.path.islink(file_path):
|
|
|
|
|
os.unlink(file_path)
|
|
|
|
|
elif os.path.isdir(file_path):
|
|
|
|
|
shutil.rmtree(file_path)
|
|
|
|
|
except Exception as e:
|
|
|
|
|
print('Failed to delete %s. Reason: %s' % (file_path, e))
|
|
|
|
|
|
|
|
|
|
# Imprime la lista de elementos
|
|
|
|
|
def print_elements(mode=0):
|
|
|
|
|
if mode == 0:
|
|
|
|
|
# Primer bucle for
|
|
|
|
|
for element in elements:
|
|
|
|
|
print('')
|
|
|
|
|
for key, value in element.items():
|
|
|
|
|
print(key, ':', value)
|
|
|
|
|
elif mode == 1:
|
|
|
|
|
# Segundo bucle for con eliminación de duplicados
|
|
|
|
|
seen = set()
|
|
|
|
|
for element in elements:
|
|
|
|
|
root_folder = element['root_folder']
|
|
|
|
|
if root_folder not in seen:
|
|
|
|
|
print(root_folder)
|
|
|
|
|
seen.add(root_folder)
|
|
|
|
|
# Imprimir el número de elementos únicos
|
|
|
|
|
print(f"Número de entradas: {len(seen)}")
|
|
|
|
|
|
|
|
|
|
# Bucle principal
|
|
|
|
|
def main():
|
|
|
|
|
connect(query_index=0)
|
|
|
|
|
process_elements()
|
|
|
|
|
print_elements(mode=1)
|
|
|
|
|
#clear_destination_folder()
|
|
|
|
|
#get_files()
|
|
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
|
|
main()
|