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import os
from pathlib import Path
from .error import CruException
class ApplicationPathError(CruException):
def __init__(self, message: str, p: str | Path, *args, **kwargs):
super().__init__(message, *args, path=str(p), **kwargs)
def check_parents_dir(p: str | Path, /, must_exist: bool = False) -> bool:
p = Path(p) if isinstance(p, str) else p
for p in reversed(p.parents):
if not p.exists() and not must_exist:
return False
if not p.is_dir():
raise ApplicationPathError("Parents path should be a dir.", p)
return True
class ApplicationPath:
def __init__(self, p: str | Path, is_dir: bool) -> None:
self._path = Path(p) if isinstance(p, str) else p
self._is_dir = is_dir
@property
def path(self) -> Path:
return self._path
@property
def is_dir(self) -> bool:
return self._is_dir
def check_parents(self, must_exist: bool = False) -> bool:
return check_parents_dir(self._path.parent, must_exist)
def check_self(self, must_exist: bool = False) -> bool:
if not self.check_parents(must_exist):
return False
if not self.path.exists():
if not must_exist:
return False
raise ApplicationPathError("Mot exist.", self.path)
if self.is_dir:
if not self.path.is_dir():
raise ApplicationPathError("Should be a directory, but not.", self.path)
else:
return False
else:
if not self.path.is_file():
raise ApplicationPathError("Should be a file, but not.", self.path)
else:
return False
def ensure(self, create_file: bool = False) -> None:
e = self.check_self(False)
if not e:
os.makedirs(self.path.parent, exist_ok=True)
if self.is_dir:
os.mkdir(self.path)
elif create_file:
with open(self.path, "w") as f:
f.write("")
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