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yosys/tests/pyosys/test_idict.py
Mohamed Gaber 88be728353
pyosys: rewrite using pybind11
- Rewrite all Python features to use the pybind11 library instead of boost::python.
  Unlike boost::python, pybind11 is a header-only library that is just included by Pyosys code, saving a lot of compile time on wheels.
- Factor out as much "translation" code from the generator into proper C++ files
- Fix running the embedded interpreter not supporting "from pyosys import libyosys as ys" like wheels
- Move Python-related elements to `pyosys` directory at the root of the repo
- Slight shift in bridging semantics:
  - Containers are declared as "opaque types" and are passed by reference to Python - many methods have been implemented to make them feel right at home without the overhead/ambiguity of copying to Python and then copying back after mutation
  - Monitor/Pass use "trampoline" pattern to support virual methods overridable in Python: virtual methods no longer require `py_` prefix
- Create really short test set for pyosys that just exercises basic functionality
2025-10-03 11:54:44 +03:00

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Python

from pyosys import libyosys as ys
my_idict = ys.IdstringIdict()
print(my_idict(ys.IdString("\\hello")))
print(my_idict(ys.IdString("\\world")))
print(my_idict.get(ys.IdString("\\world")))
try:
print(my_idict.get(ys.IdString("\\dummy")))
except IndexError as e:
print(f"{repr(e)}")
print(my_idict[0])
print(my_idict[1])
try:
print(my_idict[2])
except IndexError as e:
print(f"{repr(e)}")
for i in my_idict:
print(i)
current_len = len(my_idict)
assert current_len == 2, "copy"
my_copy = my_idict.copy()
my_copy(ys.IdString("\\copy"))
assert len(my_idict) == current_len, "copy seemed to have mutate original idict"
assert len(my_copy) == current_len + 1, "copy not behaving as expected"
current_copy_len = len(my_copy)
my_copy |= (ys.IdString(e) for e in ("\\the", "\\world")) # 1 new element
assert len(my_copy) == current_copy_len + 1, "or operator returned unexpected result"