Update changes to get code running on Python 3 using antlr_python3_runtime-3.1.3. #1
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`.next()` has been replaced with `next()` in Python 3. Fixed.
…)`. Updated `except` to use `as` keywords.
Replaced Python 2 `isinstance(x, file)` with Python 3 `isinstance(x, io.IOBase)`. Fixed.
Python 3 no longer allows `file` in isinstance(), updated to use `io.IOBase`. Fixed.
Python 3 requires `as` keyword in `except`, in place of comma separator. Fixed.
`_levelNames` has been replaced with `_nameToLevel` in `logging`. Fixed.
Changed `print 'IOError: %s.' % (msg, )` to `print(f'IOError: {msg}.')`
…>>` to `file=` syntax. Update Python 2 `print` statements to Python 3 `print()`, including `>>` to `file=` syntax. Python 2 `print >> fd, str` syntax is now `print(str, file=fd)` in Python 3. Implemented f-strings where relevant for these.
… 3 `antlr-python3-runtime-3.1.3`. `setup.py` has been changed to install from `https://github.com/GEGlobalResearch/java2python/archive/master.zip` and with the `antlr_python_runtime` from `https://github.com/altigee/antlr-python3-runtime-3.1.3/archive/master.zip`.
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These changes should bring the code up to a functional state for Python 3.8, including the retrieval of an antlr_python_runtime updated for Python 3.
Downloading the archive and executing
pip install .from within the file directory of the downloaded target should, using this setup.py, install:java2pythonantlr_python3_runtime-3.1.3(asantlr_python_runtimefor dependency andantlr3as package)[from https://github.com/altigee/antlr-python3-runtime-3.1.3/archive/master.zip]
It's worth noting that Issue natural#62 on the upstream repo is still present, but seems to have an unincorporated fix, in PR natural#32 on that repo, that does seem to work.