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Fix is_writeable() for 3 OS support (#4743)

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* Fix `is_writeable()` for 3 OS support

* Update general.py
This commit is contained in:
Glenn Jocher 2021-09-10 17:06:22 +02:00 committed by GitHub
parent 19e28e3bfe
commit a144536f88
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1 changed files with 15 additions and 10 deletions
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25
utils/general.py
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@ -105,19 +105,24 @@ def get_latest_run(search_dir='.'):
def user_config_dir(dir='Ultralytics'):
# Return path of user configuration directory (make if necessary)
system = platform.system()
cfg = {'Windows': 'AppData/Roaming', 'Linux': '.config', 'Darwin': 'Library/Application Support'}
path = Path.home() / cfg.get(system, '') / dir
if system == 'Linux' and not is_writeable(path): # GCP functions and AWS lambda solution, only /tmp is writeable
path = Path('/tmp') / dir
if not path.is_dir():
path.mkdir() # make dir if required
cfg = {'Windows': 'AppData/Roaming', 'Linux': '.config', 'Darwin': 'Library/Application Support'} # 3 config dirs
path = Path.home() / cfg.get(platform.system(), '') # OS-specific config dir
path = (path if is_writeable(path) else Path('/tmp')) / dir # GCP and AWS lambda fix, only /tmp is writeable
path.mkdir(exist_ok=True) # make if required
return path
def is_writeable(path):
# Return True if path has write permissions (Warning: known issue on Windows)
return os.access(path, os.R_OK)
def is_writeable(dir):
# Return True if directory has write permissions
# return os.access(path, os.R_OK) # known issue on Windows
file = Path(dir) / 'tmp.txt'
try:
with open(file, 'w'):
pass
file.unlink() # remove file
return True
except IOError:
return False
def is_docker():