55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
from io import BytesIO
|
|
from os import mkdir
|
|
import os.path
|
|
from shutil import rmtree
|
|
import urllib3
|
|
from zipfile import ZipFile
|
|
from PyQt5.QtCore import QThread, pyqtSignal
|
|
import utilities
|
|
|
|
class DownloadThread(QThread):
|
|
no_connection_error = pyqtSignal()
|
|
bad_db_download_error = pyqtSignal()
|
|
bad_file_error = pyqtSignal()
|
|
|
|
def __init__(self, db_location, path):
|
|
super().__init__()
|
|
self.__db_location = db_location
|
|
self.__path = path
|
|
self.regular_execution = True
|
|
self.reason = 0
|
|
|
|
def __del__(self):
|
|
self.terminate()
|
|
self.wait()
|
|
|
|
def run(self):
|
|
try:
|
|
db = urllib3.PoolManager().request('GET', self.__db_location)
|
|
# db = urllib.request.urlopen(self.__db_location)
|
|
# raise urllib.error.URLError('Test')
|
|
except urllib3.exceptions.MaxRetryError: # No internet connection.
|
|
self.regular_execution = False
|
|
self.no_connection_error.emit()
|
|
return
|
|
if db.status != 200:
|
|
self.regular_execution = False
|
|
self.reason = db.reason
|
|
self.bad_db_download_error.emit()
|
|
return
|
|
if not utilities.checksum_ok(db.data, "folder"):
|
|
regular_execution = False
|
|
self.bad_db_download_error.emit()
|
|
return
|
|
if os.path.exists(self.__path):
|
|
rmtree(self.__path)
|
|
try:
|
|
# data_folder = db.read()
|
|
# data_folder = db.data
|
|
with ZipFile(BytesIO(db.data)) as zipped:
|
|
zipped.extractall()
|
|
except:
|
|
self.regular_execution = False
|
|
self.bad_file_error.emit()
|
|
return
|