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Update check_file() #3622

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merged 2 commits into from
Jun 15, 2021
Merged

Update check_file() #3622

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ec9deb4
Update `check_file()`
glenn-jocher Jun 15, 2021
58ca11f
Update datasets.py
glenn-jocher Jun 15, 2021
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2 changes: 1 addition & 1 deletion utils/datasets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1095,7 +1095,7 @@ def dataset_stats(path='coco128.yaml', autodownload=False, verbose=False):
autodownload: Attempt to download dataset if not found locally
verbose: Print stats dictionary
"""
with open(check_file(Path(path))) as f:
with open(check_file(path)) as f:
data = yaml.safe_load(f) # data dict
check_dataset(data, autodownload) # download dataset if missing
nc = data['nc'] # number of classes
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6 changes: 3 additions & 3 deletions utils/general.py
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Expand Up @@ -206,9 +206,9 @@ def check_file(file):
file = str(file) # convert to str()
if Path(file).is_file() or file == '': # exists
return file
elif file.startswith(('http://', 'https://')): # download
url, file = file, Path(urllib.parse.unquote(str(file))).name # url, file (decode '%2F' to '/' etc.)
file = file.split('?')[0] # parse authentication https://url.com/file.txt?auth...
elif file.startswith(('http:/', 'https:/')): # download
url = str(Path(file)).replace(':/', '://') # Pathlib turns :// -> :/
file = Path(urllib.parse.unquote(file)).name.split('?')[0] # '%2F' to '/', split https://url.com/file.txt?auth
print(f'Downloading {url} to {file}...')
torch.hub.download_url_to_file(url, file)
assert Path(file).exists() and Path(file).stat().st_size > 0, f'File download failed: {url}' # check
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