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donuts-python's Issues

ValueError in int <-> str conversions

In complicated systems, it is often the case that fixing your bug causes a new bug for others. The latest CPython bugfix releases have introduced a breaking change in conversions between large integers and strings. So far, no alternate API has been provided except for changing global settings (which is not appropriate for libraries).

There are at least 3 places in this library affected by this change.

donuts-python/donuts/poly.py

Line 74 in 5791d9c

self._raw = _RawPolynomial(str(value)) 

python -c 'import donuts; donuts.Polynomial(10**4300)'

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/local/lib/python3.10/site-packages/donuts/poly.py", line 74, in __init__
    self._raw = _RawPolynomial(str(value))
ValueError: Exceeds the limit (4300) for integer string conversion

donuts-python/donuts/poly.py

Line 266 in 5791d9c

return int(str(self)) 

python -c 'import donuts; (donuts.Polynomial(10)**4300).as_integer'

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/local/lib/python3.10/site-packages/donuts/poly.py", line 266, in as_integer
    return int(str(self))
ValueError: Exceeds the limit (4300) for integer string conversion: value has 4301 digits

donuts-python/donuts/rat.py

Line 64 in 5791d9c

self._raw = _RawRationalFunction(str(numerator)) 

python -c 'import donuts; donuts.RationalFunction(10**4300)'

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/local/lib/python3.10/site-packages/donuts/rat.py", line 64, in __init__
    self._raw = _RawRationalFunction(str(numerator))
ValueError: Exceeds the limit (4300) for integer string conversion

Support for JDK 21

As far as I can see, upgrading donuts to 0.0.5 (which uses Gradle 8.5) must do the job, but the CI somehow failed: https://github.com/tueda/donuts-python/actions/runs/7355273433.

      * What went wrong:
      Execution failed for task ':donuts-python:compileJava'.
      > java.lang.NoSuchFieldError: Class com.sun.tools.javac.tree.JCTree$JCImport does not have member field 'com.sun.tools.javac.tree.JCTree qualid'

The error looks like the already-fixed Lombok bug:

but donuts 0.0.5 uses Lombok 1.18.30, so it must not occur...

Support for Python 3.12

Locally it seems to work (except lint due to csachs/pyproject-flake8#30), but the CI failed: https://github.com/tueda/donuts-python/actions/runs/7347713849.

py312: commands[0]> pytest --benchmark-disable
  ImportError while loading conftest '/home/runner/work/donuts-python/donuts-python/tests/conftest.py'.
  tests/conftest.py:8: in <module>
      from donuts import Polynomial, RationalFunction
  .tox/py312/lib/python3.12/site-packages/donuts/__init__.py:5: in <module>
      from .poly import Polynomial, gcd, lcm, product
  .tox/py312/lib/python3.12/site-packages/donuts/poly.py:20: in <module>
      from .array import _create_raw_int_array, _create_raw_poly_array, _create_raw_var_array
  .tox/py312/lib/python3.12/site-packages/donuts/array.py:7: in <module>
      from .jvm import jvm
  .tox/py312/lib/python3.12/site-packages/donuts/jvm.py:6: in <module>
      import pkg_resources
  E   ModuleNotFoundError: No module named 'pkg_resources'

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