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add descriptive error message if Google Drive quota is exceeded #2321

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Merged
merged 2 commits into from
Jul 3, 2020
Merged

add descriptive error message if Google Drive quota is exceeded #2321

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add error message if Google Drive quota is exceeded
pmeier Jun 15, 2020
839a5bc
Merge branch 'master' of github.com:pytorch/vision into google_drive_…
fmassa Jul 3, 2020
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12 changes: 12 additions & 0 deletions torchvision/datasets/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,10 @@ def list_files(root, suffix, prefix=False):
return files


def _quota_exceeded(response: "requests.models.Response") -> bool:
return "Google Drive - Quota exceeded" in response.text


def download_file_from_google_drive(file_id, root, filename=None, md5=None):
"""Download a Google Drive file from and place it in root.

Expand Down Expand Up @@ -150,6 +154,14 @@ def download_file_from_google_drive(file_id, root, filename=None, md5=None):
params = {'id': file_id, 'confirm': token}
response = session.get(url, params=params, stream=True)

if _quota_exceeded(response):
msg = (
f"The daily quota of the file {filename} is exceeded and it "
f"can't be downloaded. This is a limitation of Google Drive "
f"and can only be overcome by trying again later."
)
raise RuntimeError(msg)

_save_response_content(response, fpath)


Expand Down