def initialize():
Events.on(Events.EVENT_MD5_START, EventHandler.print_md5_start)
Events.on(Events.EVENT_MD5_END, EventHandler.print_md5_end)
Events.on(Events.EVENT_DOWNLOAD_START,
EventHandler.print_download_start)
Events.on(Events.EVENT_DOWNLOAD_END, EventHandler.print_download_end)
Events.on(Events.EVENT_PROGRESS, EventHandler.print_progress)
def download_file(self):
""" Downloads a file from the location specified in the provided DownloadStruct. """
self.__create_directory()
if not ConfigData.resume_downloads:
self.remove()
Events.trigger(Events.EVENT_DOWNLOAD_START, self.filename)
if ConfigData.resume_downloads and self.local_file_size > 0:
self.__resume_download()
else:
self.__start_download()
Events.trigger(Events.EVENT_DOWNLOAD_END, self.filename)
def __download_file(self, web_request, mode, read_bytes=0):
current_percentage = 0
with open(self.full_filename, mode) as f:
# For a download that's resumed the content-length will be the remaining bytes, not the total.
# total_length = int(web_request.headers.get("content-length"))
total_length = self.humble_file_size
chunk_size = ConfigData.chunk_size
for chunk in web_request.iter_content(chunk_size=chunk_size):
read_bytes += chunk_size
read_bytes = min(total_length, read_bytes)
current_percentage = Events.check_percent(
read_bytes, total_length, current_percentage)
if chunk:
f.write(chunk)
f.flush()