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archive: add _download_file_from_urls()

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This will consolidate the download functionality from pull() and
pull_binaries()

Signed-off-by: Dan Streetman <ddstreet@canonical.com>
This commit is contained in:
Dan Streetman 2020-03-13 09:52:06 -04:00
parent 494e0d6ddd
commit b6e0b5b388
1 changed files with 18 additions and 0 deletions
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18
ubuntutools/archive.py
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@ -440,6 +440,24 @@ class SourcePackage(object):
return self._verify_file(pathname, dscverify, sha1sum, sha256sum, size)
def _download_file_from_urls(self, urls, filename, size, dscverify=False,
sha1sum=None, sha256sum=None):
"Try to download a file from a list of urls."
for url in urls:
try:
if self._download_file(url, filename, size, dscverify=dscverify,
sha1sum=sha1sum, sha256sum=sha256sum):
return
except HTTPError as e:
if e.code == 404:
# It's ok if the file isn't found, just try the next url
Logger.debug("File not found at %s" % url)
else:
Logger.error('HTTP Error %i: %s', e.code, str(e))
except URLError as e:
Logger.error('URL Error: %s', e.reason)
raise DownloadError('Failed to download %s' % filename)
def pull(self):
"Pull into workdir"
self._write_dsc()