PyBytes for Jython 3 waiting for review and other Jython 3 dev related questions

Hi all,

I'd like to contribute substantially to the Jython 3 development. I am far
from a n00b with Java or Python, but I really didn't know anything about
the internals of Jython before ~2 weeks ago, thus I'd guess not even of
much use with Jython 2.7 development even if I wanted. But Jython 3 changes
would be something where I could be quite useful - Alex Grönholm already
merged some of my PRs to Jython 3 sandbox.

----

I have made a pull request that introduces PyBytes to Jython 3 - basically
what I did was to take the PyByteArray and removed the mutating methods,
changed the __repr__, etc. It was suggested that Jeff Allen should review
my PyBytes PR at https://github.com/jython/jython3/pull/5/files - so it'd
be nice if Jeff you could review it.

That commit also makes the compiler to produce bytes literals with b'foo';
the bytes literals would be stored as "latin-1" string constants in .class
files. The code "works for me (tm)" in the interactive interpreter.

----

Next, if the PyBytes were be accepted, I was thinking I'd want to try
merging PyInteger with PyLong; and PyString with PyUnicode if no one else
has it coming yet.

However, naming things is still hard. What do you all think the Python 3
str and int should be called on the Java side? CPython 3 still calls them
PyUnicode* and PyLong*, which makes sense, since their C-API is consistent
with these Python 2 types; and all usages of PyString* and PyInt* should be
reviewed for changes when porting extensions to Python 3.

----

Also, I've listed some to-do items in the Github issue tracker; how do you
feel about using the Github issue tracker at least for this in the early
phase of Jython 3 experimentation? Or should these too be in Roundup?

Any thoughts?

-- 
Antti Haapala

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