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From 500e553d0459b0e4904e20520f9e01f8fba1d524 Mon Sep 17 00:00:00 2001
From: Claudia Pellegrino <claui@users.noreply.github.com>
Date: Sun, 28 Apr 2024 23:30:51 +0200
Subject: [PATCH] Use raw string to fix Python 3.12 syntax warning
When running under Python v3.12, the `re.match` invocation in
`simpletransform.py` causes a syntax warning, because the regexp string
contains an escape sequence that Python tries to interpret as part of
the string literal:
```bash
python -c 'import re; print(re.match("(translate|scale|rotate|skewX|skewY|matrix)\s*\(([^)]*)\)\s*,?", "translate(3.1416)"))'
<string>:1: SyntaxWarning: invalid escape sequence '\s'
<re.Match object; span=(0, 17), match='translate(3.1416)'>
```
The `\s` is really meant to be taken literally and to be passed to the
regexp engine as is. Use a raw string to achieve that.
---
ink_extensions/simpletransform.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ink_extensions/simpletransform.py b/ink_extensions/simpletransform.py
index 9cb7651..e615fc1 100755
--- a/ink_extensions/simpletransform.py
+++ b/ink_extensions/simpletransform.py
@@ -27,7 +27,7 @@ def parseTransform(transf,mat=[[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]]):
if transf=="" or transf==None:
return(mat)
stransf = transf.strip()
- result=re.match("(translate|scale|rotate|skewX|skewY|matrix)\s*\(([^)]*)\)\s*,?",stransf)
+ result=re.match(r"(translate|scale|rotate|skewX|skewY|matrix)\s*\(([^)]*)\)\s*,?",stransf)
#-- translate --
if result.group(1)=="translate":
args=result.group(2).replace(',',' ').split()
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