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increment_path() robustness improvements #7628

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Apr 28, 2022
Merged

increment_path() robustness improvements #7628

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21 changes: 16 additions & 5 deletions utils/general.py
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Original file line number Diff line number Diff line change
Expand Up @@ -933,13 +933,24 @@ def increment_path(path, exist_ok=False, sep='', mkdir=False):
path = Path(path) # os-agnostic
if path.exists() and not exist_ok:
path, suffix = (path.with_suffix(''), path.suffix) if path.is_file() else (path, '')
dirs = glob.glob(f"{path}{sep}*") # similar paths
matches = [re.search(rf"%s{sep}(\d+)" % path.stem, d) for d in dirs]
i = [int(m.groups()[0]) for m in matches if m] # indices
n = max(i) + 1 if i else 2 # increment number
path = Path(f"{path}{sep}{n}{suffix}") # increment path

# Method 1
for n in range(2, 9999):
p = f'{path}{sep}{n}{suffix}' # increment path
if not os.path.exists(p): #
break
path = Path(p)

# Method 2 (deprecated)
# dirs = glob.glob(f"{path}{sep}*") # similar paths
# matches = [re.search(rf"{path.stem}{sep}(\d+)", d) for d in dirs]
# i = [int(m.groups()[0]) for m in matches if m] # indices
# n = max(i) + 1 if i else 2 # increment number
# path = Path(f"{path}{sep}{n}{suffix}") # increment path

if mkdir:
path.mkdir(parents=True, exist_ok=True) # make directory

return path


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