Suzumizaki added the comment:
Thank you for reply.
The hack msg209998 is interesting, but how to name submodule with non latin
like languages, especially keeping native reable? X(
The reason I don't use like "name.encode('unicode-escape').replace(b'\\',
b'_')" is the length limits of the identifiers.
In fact, Visual C++ can accept 2047 chars(bytes) and gcc have no logical
limits. But the PEP 7 says we should use C89. And even C99 assumes first 63
bytes are significant. I don't know what C89 says, And my C99 reference is
below, this means real-C99 is possibly different:
http://www.open-std.org/JTC1/SC22/wg14/www/docs/n1124.pdf
If we should keep C99 order above, 63 chars are too short to use
'unicode-escape' like. 'PyInit_' takes 7, remains 56. When each characters
encoded as 5 chars like '_3010', only we can use 11 unicode-codepoints. When 6
chars, only 9 chars.
a) If we can break C99 or real-C89/C99 don't have 63 chars rule, we can simply
use as Amaury Forgeot d'Arc says.
b) If we should keep 63 chars rules, the encodings longer than 'szm62' is not
acceptable.
c) Of course, when there is no reason to make entry point 'PyInit_modulename',
Make enable stable constant name 'PyInit' or 'PyInitUnicodeNamedModule' without
individual module name is another acceptable idea.
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<http://bugs.python.org/issue20485>
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