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skip length checking if content-length is not available (fix #87)

This commit is contained in:
z4yx 2020-08-15 09:31:40 +08:00
parent eca5de8976
commit de3629d87a
1 changed files with 5 additions and 3 deletions
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8
anaconda.py
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@ -212,15 +212,17 @@ def sync_installer(repo_url, local_dir: Path):
dst_file_wip = local_dir / ('.downloading.' + filename) dst_file_wip = local_dir / ('.downloading.' + filename)
if dst_file.is_file(): if dst_file.is_file():
r = requests.head(pkg_url, timeout=TIMEOUT_OPTION) r = requests.head(pkg_url, allow_redirects=True, timeout=TIMEOUT_OPTION)
remote_filesize = int(r.headers['content-length']) len_avail = 'content-length' in r.headers
if len_avail:
remote_filesize = int(r.headers['content-length'])
remote_date = parsedate_to_datetime(r.headers['last-modified']) remote_date = parsedate_to_datetime(r.headers['last-modified'])
stat = dst_file.stat() stat = dst_file.stat()
local_filesize = stat.st_size local_filesize = stat.st_size
local_mtime = stat.st_mtime local_mtime = stat.st_mtime
# Do content verification on ~5% of files (see issue #25) # Do content verification on ~5% of files (see issue #25)
if remote_filesize == local_filesize and remote_date.timestamp() == local_mtime and\ if (not len_avail or remote_filesize == local_filesize) and remote_date.timestamp() == local_mtime and \
(random.random() < 0.95 or md5_check(dst_file, md5)): (random.random() < 0.95 or md5_check(dst_file, md5)):
logging.info("Skipping {}".format(filename)) logging.info("Skipping {}".format(filename))