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python: use raw strings when appropriate

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We had some incorrectly escaped strings that are now causing
SyntaxWarnings with Python 3.12

* bin/options.py, python/spot/aux_.py, python/spot/ltsmin.i,
python/spot/__init__.py: Here.
* NEWS: Mention the fix.
This commit is contained in:
Alexandre Duret-Lutz 2024-05-03 00:05:33 +02:00
parent dbe31c72c8
commit e6362b785b
5 changed files with 16 additions and 13 deletions
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16
python/spot/__init__.py
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@ -344,8 +344,8 @@ class formula:
return str_sclatex_psl(self, parenth)
elif format == 'mathjax' or format == 'j':
return (str_sclatex_psl(self, parenth).
replace("``", "\\unicode{x201C}").
replace("\\textrm{''}", "\\unicode{x201D}"))
replace("``", r"\unicode{x201C}").
replace(r"\textrm{''}", r"\unicode{x201D}"))
elif format == 'dot' or format == 'd':
ostr = ostringstream()
print_dot_psl(ostr, self)
@ -466,16 +466,16 @@ class formula:
@_extend(atomic_prop_set)
class atomic_prop_set:
def _repr_latex_(self):
res = '$\{'
res = r'$\{'
comma = ''
for ap in self:
apname = ap.to_str('j')
if not '\\unicode{' in apname:
apname = "\\unicode{x201C}" + apname + "\\unicode{x201D}"
if not r'\unicode{' in apname:
apname = r"\unicode{x201C}" + apname + r"\unicode{x201D}"
res += comma
comma = ', '
res += apname
res += '\}$'
res += r'\}$'
return res
@ -1445,12 +1445,12 @@ class twa_word:
res += bdd_to_formula(letter, bd).to_str('j')
if len(res) > 1:
res += '; '
res += '\\mathsf{cycle}\\{'
res += r'\mathsf{cycle}\{'
for idx, letter in enumerate(self.cycle):
if idx:
res += '; '
res += bdd_to_formula(letter, bd).to_str('j')
return res + '\\}$'
return res + r'\}$'
def as_svg(self):
"""