mirror of
https://github.com/Garmelon/PFERD.git
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Add a simple temporary folder
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parent
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commit
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2
.gitignore
vendored
2
.gitignore
vendored
@ -2,3 +2,5 @@ __pycache__/
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.venv/
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.venv/
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.mypy_cache/
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.mypy_cache/
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.tmp/
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.tmp/
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.env
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.vscode
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@ -1,7 +1,8 @@
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import logging
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import logging
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from .ilias import *
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# from .ilias import *
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from .utils import *
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# from .utils import *
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from .temp_folder import *
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STYLE = "{"
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STYLE = "{"
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FORMAT = "[{levelname:<7}] {message}"
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FORMAT = "[{levelname:<7}] {message}"
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@ -13,6 +14,7 @@ FORMATTER = logging.Formatter(
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style=STYLE,
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style=STYLE,
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)
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)
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def enable_logging(name: str = "PFERD", level: int = logging.INFO) -> None:
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def enable_logging(name: str = "PFERD", level: int = logging.INFO) -> None:
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handler = logging.StreamHandler()
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handler = logging.StreamHandler()
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handler.setFormatter(FORMATTER)
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handler.setFormatter(FORMATTER)
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56
PFERD/temp_folder.py
Normal file
56
PFERD/temp_folder.py
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@ -0,0 +1,56 @@
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"""Helper functions and classes for temporary folders."""
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from typing import Optional, Type
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from types import TracebackType
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import pathlib
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import shutil
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class TempFolder():
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"""A temporary folder that can create files or nested temp folders."""
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def __init__(self, path: pathlib.Path):
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"""Create a new temporary folder for the given path."""
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self.counter = 0
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self.path = path
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def __str__(self) -> str:
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"""Format the folder as a string."""
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return f"Folder at {self.path}"
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def __enter__(self) -> 'TempFolder':
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"""Context manager entry function."""
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return self
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def __exit__(self,
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type: Optional[Type[BaseException]],
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value: Optional[BaseException],
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traceback: Optional[TracebackType]) -> Optional[bool]:
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"""Context manager exit function. Calls cleanup()."""
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self.cleanup()
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return None
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def new_file(self) -> pathlib.Path:
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"""Return a unique path inside the folder, but don't create a file."""
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name = f"tmp-{self.__inc_and_get_counter():03}"
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return self.path.joinpath(name)
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def new_folder(self, prefix: str = "") -> 'TempFolder':
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"""Create a new nested temporary folder and return its path."""
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name = f"{prefix if prefix else 'tmp'}-{self.__inc_and_get_counter():03}"
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sub_path = self.path.joinpath(name)
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sub_path.mkdir(parents=True)
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return TempFolder(sub_path)
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def cleanup(self) -> None:
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"""Delete this folder and all contained files."""
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shutil.rmtree(self.path.absolute())
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def __inc_and_get_counter(self) -> int:
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"""Get and increment the counter by one."""
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counter = self.counter
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self.counter += 1
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return counter
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