def _process_file_continue_request(self, request: BaseRequest):
'''Modify the request to resume downloading file.'''
if os.path.exists(self._filename):
size = os.path.getsize(self._filename)
request.set_continue(size)
self._file_continue_requested = True
_logger.debug('Continue file from {0}.', size)
else:
_logger.debug('No file to continue.')
def new_mock_item_session():
args = argparse.Namespace(directory_prefix='/tmp/')
app_session = AppSession(None, args, None)
url_record = new_mock_url_record()
item_session = ItemSession(app_session, url_record)
item_session.request = BaseRequest()
item_session.request.url = 'http://example.com'
return item_session
def process_request(self, request: BaseRequest):
request = super().process_request(request)
orig_file = '{0}.orig'.format(self._filename)
if os.path.exists(orig_file):
modified_time = os.path.getmtime(orig_file)
elif os.path.exists(self._filename):
modified_time = os.path.getmtime(self._filename)
else:
modified_time = None
_logger.debug('Checking for last modified={0}.', modified_time)
if modified_time:
date_str = email.utils.formatdate(modified_time)
request.fields['If-Modified-Since'] = date_str
return request
