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47 lines
1.3 KiB
47 lines
1.3 KiB
2 years ago
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import contextlib
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import os
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from pathlib import Path
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import yaml
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class WorkingDirectory(contextlib.ContextDecorator):
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# Usage: @WorkingDirectory(dir) decorator or 'with WorkingDirectory(dir):' context manager
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def __init__(self, new_dir):
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self.dir = new_dir # new dir
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self.cwd = Path.cwd().resolve() # current dir
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def __enter__(self):
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os.chdir(self.dir)
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def __exit__(self, exc_type, exc_val, exc_tb):
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os.chdir(self.cwd)
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def increment_path(path, exist_ok=False, sep='', mkdir=False):
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"""
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Increment file or directory path, i.e. runs/exp --> runs/exp{sep}2, runs/exp{sep}3, ... etc.
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# TODO: docs
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"""
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path = Path(path) # os-agnostic
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if path.exists() and not exist_ok:
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path, suffix = (path.with_suffix(''), path.suffix) if path.is_file() else (path, '')
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# Method 1
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for n in range(2, 9999):
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p = f'{path}{sep}{n}{suffix}' # increment path
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if not os.path.exists(p): #
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break
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path = Path(p)
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if mkdir:
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path.mkdir(parents=True, exist_ok=True) # make directory
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return path
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def save_yaml(file='data.yaml', data=None):
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# Single-line safe yaml saving
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with open(file, 'w') as f:
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yaml.safe_dump({k: str(v) if isinstance(v, Path) else v for k, v in data.items()}, f, sort_keys=False)
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