python/PyStemmer: Add python3 support.

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

1 files changed, 66 insertions, 0 deletions

diff --git a/python/PyStemmer/python-3.7-compatibility.patch b/python/PyStemmer/python-3.7-compatibility.patch
new file mode 100644
index 0000000000..aeebafd725
--- /dev/null
+++ b/python/PyStemmer/python-3.7-compatibility.patch
@@ -0,0 +1,66 @@
+From b29ce2109f49c0b82517fa9d3e2bbacc1f8b34ec Mon Sep 17 00:00:00 2001
+From: konstantin <kslavnov@gmail.com>
+Date: Sun, 30 Sep 2018 20:30:07 +0300
+Subject: [PATCH] Fix installation for python 3.7
+
+Changes list:
+- Use setuptools instead of distutils to handle `setup_requires` in `setup()`.
+- Require Cython package for setup and always build `.pyx` to `.c`. It also requires `python-dev` to be installed (see `.travis.yml`).
+---
+ setup.py    | 27 +++++++++------------------
+ 1 files changed, 9 insertions(+), 18 deletions(-)
+ 
+diff --git a/setup.py b/setup.py
+index 5fa89f5..fc53b69 100644
+--- a/setup.py
++++ b/setup.py
+@@ -1,13 +1,13 @@
+ #!/usr/bin/env python
+ 
+-from distutils.core import setup, Extension
++from setuptools import setup, Extension
+ import os.path
+ 
+-try:
++
++def build_ext(*args, **kwargs):
+     from Cython.Distutils import build_ext
+-    have_pyrex = 1
+-except:
+-    have_pyrex = 0
++    return build_ext(*args, **kwargs)
++
+ 
+ # Directory which libstemmer sources are unpacked in.
+ library_dir = 'libstemmer_c'
+@@ -39,16 +39,8 @@
+ # Set the include path to include libstemmer.
+ include_dirs = ('src', os.path.join(library_dir, 'include'))
+ 
+-if have_pyrex:
+-    # Add the pyrex sources, and a special rule so distutils knows how to
+-    # use them.
+-    src_files.append('src/Stemmer.pyx')
+-    cmdclass = {'build_ext': build_ext}
+-else:
+-    # Add just the C sources.
+-    src_files.append('src/Stemmer.c')
+-    cmdclass = {}
+-      
++src_files.append('src/Stemmer.pyx')
++
+ long_description = r"""
+ 
+ Stemming algorithms
+@@ -125,9 +117,8 @@
+       "Topic :: Text Processing :: Indexing",
+       "Topic :: Text Processing :: Linguistic",
+       ],
+-
++      setup_requires=['Cython>=0.28.5,<1.0'],
+       ext_modules = [Extension('Stemmer', src_files,
+                                include_dirs = include_dirs)],
+-      cmdclass = cmdclass
++      cmdclass = {'build_ext': build_ext}
+      )
+-