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fix: handle 403 Forbidden in download_url_to_file #1283

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fix: handle 403 Forbidden in download_url_to_file #1283

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24 changes: 23 additions & 1 deletion cellpose/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -71,17 +71,39 @@ def download_url_to_file(url, dst, progress=True):
file_size = None
import ssl
ssl._create_default_https_context = ssl._create_unverified_context
u = urlopen(url)
import urllib.request
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
'Accept-Language': 'en-US,en;q=0.5',
'Accept-Encoding': 'gzip, deflate, br',
'Connection': 'keep-alive',
'Upgrade-Insecure-Requests': '1'
}
req = urllib.request.Request(url, headers=headers)

try:
u = urllib.request.urlopen(req)
except urllib.error.HTTPError as e:
if 'Accept-Encoding' in headers:
del headers['Accept-Encoding']
req = urllib.request.Request(url, headers=headers)
u = urllib.request.urlopen(req)
else:
raise e

meta = u.info()
if hasattr(meta, "getheaders"):
content_length = meta.getheaders("Content-Length")
else:
content_length = meta.get_all("Content-Length")
if content_length is not None and len(content_length) > 0:
file_size = int(content_length[0])

# We deliberately save it in a temp file and move it after
dst = os.path.expanduser(dst)
dst_dir = os.path.dirname(dst)
os.makedirs(dst_dir, exist_ok=True) # Ensure the directory exists
f = tempfile.NamedTemporaryFile(delete=False, dir=dst_dir)
try:
with tqdm(total=file_size, disable=not progress, unit="B", unit_scale=True,
Expand Down