78 lines
1.9 KiB
Python
78 lines
1.9 KiB
Python
import logging
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import os
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import shutil
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from stat import S_IWUSR
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def ensure_dir(path):
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if not path.exists():
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logging.debug("create folder %s", str(path))
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os.makedirs(str(path))
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def ensure_safe_to_do(src, dest):
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if src == dest:
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raise ValueError(f"source and destination is the same {src}")
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if not dest.exists():
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return
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if dest.is_dir() and not dest.is_symlink():
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logging.debug("remove directory %s", dest)
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safe_delete(dest)
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else:
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logging.debug("remove file %s", dest)
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dest.unlink()
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def symlink(src, dest):
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ensure_safe_to_do(src, dest)
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logging.debug("symlink %s", _Debug(src, dest))
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dest.symlink_to(src, target_is_directory=src.is_dir())
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def copy(src, dest):
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ensure_safe_to_do(src, dest)
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is_dir = src.is_dir()
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method = copytree if is_dir else shutil.copy
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logging.debug("copy %s", _Debug(src, dest))
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method(str(src), str(dest))
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def copytree(src, dest):
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for root, _, files in os.walk(src):
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dest_dir = os.path.join(dest, os.path.relpath(root, src))
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if not os.path.isdir(dest_dir):
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os.makedirs(dest_dir)
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for name in files:
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src_f = os.path.join(root, name)
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dest_f = os.path.join(dest_dir, name)
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shutil.copy(src_f, dest_f)
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def safe_delete(dest):
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def onerror(func, path, exc_info): # noqa: U100
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if not os.access(path, os.W_OK):
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os.chmod(path, S_IWUSR)
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func(path)
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else:
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raise
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shutil.rmtree(str(dest), ignore_errors=True, onerror=onerror)
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class _Debug:
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def __init__(self, src, dest):
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self.src = src
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self.dest = dest
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def __str__(self):
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return f"{'directory ' if self.src.is_dir() else ''}{str(self.src)} to {str(self.dest)}"
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__all__ = [
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"ensure_dir",
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"symlink",
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"copy",
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"symlink",
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"copytree",
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"safe_delete",
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]
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