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python: implicit str->formula conversion

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* python/spot/impl.i, python/spot/__init__.py: Implement it.
* NEWS: Mention it.
* tests/python/atva16-fig2a.ipynb, tests/python/atva16-fig2b.ipynb,
tests/python/formulas.ipynb, tests/python/ltsmin-dve.ipynb,
tests/python/ltsmin-pml.ipynb, tests/python/stutter-inv.ipynb,
doc/org/tut02.org: Modernize.
This commit is contained in:
Alexandre Duret-Lutz 2018-05-15 16:07:14 +02:00
parent 5c1d9c492c
commit 6a808492c1
10 changed files with 168 additions and 210 deletions
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28
python/spot/__init__.py
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@ -675,26 +675,18 @@ def translate(formula, *args, dict=_bdd_dict):
formula.translate = translate
def contains(left, right):
from spot.impl import contains as contains_impl
if type(left) is str:
left = formula(left)
if type(right) is str:
right = formula(right)
return contains_impl(left, right)
# Wrap C++-functions into lambdas so that they get converted into
# instance methods (i.e., self passed as first argument
# automatically), because only user-defined functions are converted as
# instance methods.
def _add_formula(meth, name = None):
setattr(formula, name or meth, (lambda self, *args, **kwargs:
globals()[meth](self, *args, **kwargs)))
def are_equivalent(left, right):
from spot.impl import are_equivalent as equiv
if type(left) is str:
left = formula(left)
if type(right) is str:
right = formula(right)
return equiv(left, right)
formula.contains = contains
formula.equivalent_to = are_equivalent
twa.contains = contains
twa.equivalent_to = are_equivalent
_add_formula('contains')
_add_formula('are_equivalent', 'equivalent_to')
def postprocess(automaton, *args, formula=None):
"""Post process an automaton.