1. Die Anmeldung beim .htaccess ist erfolgreich
2. Der URL-Link wird ausgegeben
3. URL-Link ist korrekt
Jedoch wird die Datei nicht heruntergeladen. Beim Versuch wird der Vorgang abgebrochen und das ganze Programm wird beendet. Ich bekomme in der Konsole keinerlei Fehlermeldung.
Code: Alles auswählen
FILE_NAME = "downloader2.py"
import os
import requests
import sys
from requests.auth import HTTPBasicAuth
from PyQt4.QtCore import QThread, pyqtSignal, Qt, QSemaphore
from PyQt4.QtGui import QVBoxLayout, QPushButton, QDialog, QProgressBar, QApplication, QMessageBox
def get_access_data_and_link(user_name, passwd):
return requests.get('http://xarphus.de/schutz/', auth=HTTPBasicAuth(user_name, passwd)).text
class Download_Thread(QThread):
finished_thread = pyqtSignal()
error_http = pyqtSignal()
finished_download = pyqtSignal()
notify_progress = pyqtSignal(int)
def __init__(self, location, link, parent=None):
QThread.__init__(self, parent)
self.url = link
self.location = location
self._run_semaphore = QSemaphore(1)
def run(self):
try:
file = requests.get(self.url, stream=True)
status = file.status_code
if not status == 200:
self.error_http.emit()
except (requests.exceptions.URLRequired,
requests.exceptions.ConnectionError,
requests.exceptions.HTTPError,
requests.exceptions.Timeout,
requests.exceptions.ConnectTimeout,
requests.exceptions.ReadTimeout), g:
print 'Could not download ', g
self.error_http.emit()
else:
file_size = int(requests.head(self.url).headers.get('content-length', [0]))
print "%s Byte" %file_size
result = file_size / (1024*5)
print result
chunk_size = int(result)
downloaded_bytes = 0
with open(self.location, 'wb') as fd:
for chunk in file.iter_content(chunk_size):
fd.write(chunk)
downloaded_bytes = fd.tell()
#print (float(downloaded_bytes)/file_size*100)
self.notify_progress.emit(float(downloaded_bytes)/file_size*100)
if self._run_semaphore.available() == 0:
self._run_semaphore.release(1)
break
print "Finish"
self.finished_download.emit()
self.finished_thread.emit()
def stop(self):
print "stop"
self._run_semaphore.acquire(1)
class MyCustomDialog(QDialog):
def __init__(self):
super(MyCustomDialog, self).__init__()
layout = QVBoxLayout(self)
self.url = get_access_data_and_link('your_username','your_password')
# Create a progress bar and a button and add them to the main layout
self.progressBarUpdate = QProgressBar(self)
self.progressBarUpdate.setAlignment(Qt.AlignCenter)
layout.addWidget(self.progressBarUpdate)
pushButtonUpdate = QPushButton("Start", self)
layout.addWidget(pushButtonUpdate)
pushButtonCancel = QPushButton("Cancel", self)
layout.addWidget(pushButtonCancel)
pushButtonUpdate.clicked.connect(self.check_folder_exists)
# Set data for download and saving in path
self.location = os.path.abspath(os.path.join('temp', 'example-app-0.3.win32.zip'))
#self.url = 'http://sophus.bplaced.net/download/example-app-0.3.win32.zip'
self.download_task = Download_Thread(self.location, self.url)
self.download_task.notify_progress.connect(self.on_progress)
self.download_task.finished_thread.connect(self.on_finished)
self.download_task.error_http.connect(self.on_HTTPError)
self.download_task.finished_download.connect(self.on_finish_download)
pushButtonCancel.clicked.connect(self.on_finished)
def on_start(self):
self.progressBarUpdate.setRange(0, 0)
self.download_task.start()
def on_finish_download(self):
msg_box = QMessageBox()
QMessageBox.question(msg_box, ' Message ',
"The file has been fully downloaded.", msg_box.Ok)
def on_HTTPError(self):
reply = QMessageBox.question(self, ' Error ',
"The file could not be downloaded. Will they do it again?", QMessageBox.Yes |
QMessageBox.No, QMessageBox.No)
if reply == QMessageBox.Yes:
self.on_start()
else:
print "Close button pressed"
#event.ignore()
def on_progress(self, i):
self.progressBarUpdate.setRange(0, 100)
self.progressBarUpdate.setValue(i)
def check_folder_exists(self):
location = os.path.abspath(os.path.join('temp'))
if not os.path.exists(location):
os.makedirs(location)
print "Folder was created"
self.on_start()
else:
print "Folder already exists"
self.on_start()
def on_finished(self):
self.progressBarUpdate.setValue(0)
self.close()
def closeEvent(self, event):
self.download_task.stop()
def main():
app = QApplication(sys.argv)
window = MyCustomDialog()
window.resize(600, 400)
window.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()
Ich möchte nicht raten, sondern versuchen es zu verstehen. Das ich nicht immer richtig liege oder Dinge nicht auf Anhieb alles richtig verstehe, ist richtig. Wäre ich richtig gut und ein Bill Gates 2.0, dann wär ich bestimmt nicht hier im Forum angemeldet oder? 
Und am Ende habe ich nur eine Zeile falsch gemacht.