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37 lines
1.0 KiB
37 lines
1.0 KiB
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Common classes and constants used by downloader modules."""
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import os
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class BasicDownloader():
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"""Base class for downloader modules"""
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max_tries = 5
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def __init__(self):
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self.downloading = False
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def download(self, url, pathfmt):
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"""Download the resource at 'url' and write it to a file-like object"""
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try:
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return self.download_impl(url, pathfmt)
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except:
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# remove file if download failed
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try:
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if self.downloading:
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os.unlink(pathfmt.realpath)
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except (AttributeError, FileNotFoundError):
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pass
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raise
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def download_impl(self, url, file_handle):
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"""Actual implementaion of the download process"""
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pass
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