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Always use '/' as path separator for regex rules

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Previously, regex-matching paths on windows would, in some cases, require four
backslashes ('\\\\') to escape a single path separator. That's just too much.

With this commit, regex transforms now use '/' instead of '\' as path separator,
meaning rules can more easily be shared between platforms (although they are not
guaranteed to be 100% compatible since on Windows, '\' is still recognized as a
path separator).

To make rules more intuitive to write, local relative paths are now also printed
with '/' as path separator on Windows. Since Windows also accepts '/' as path
separator, this change doesn't really affect other rules that parse their sides
as paths.
This commit is contained in:
Joscha
2021-06-04 18:02:45 +02:00
parent 31b6311e99
commit fc31100a0f
3 changed files with 12 additions and 3 deletions
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4
PFERD/transformer.py
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@ -10,7 +10,7 @@ from pathlib import PurePath
from typing import Dict, Optional, Sequence, Union
from .logging import log
from .utils import fmt_path
from .utils import fmt_path, str_path
class Rule(ABC):
@ -116,7 +116,7 @@ class ReRule(Rule):
self._right = right
def transform(self, path: PurePath) -> Union[PurePath, bool]:
if match := re.fullmatch(self._left, str(path)):
if match := re.fullmatch(self._left, str_path(path)):
if isinstance(self._right, bool):
return self._right or path