Added cython to prevent breaking thriftpy on python3.7

[rahulkp220]

While installation, one indirect dependency package thriftpy breaks for python3.7.
Adding cython fixes the build error for the same package and allows the installation to go through.

Check out ISSUE-37 for thriftpy

[kadhriesh]

ubuntu 19.**
python 3.7
I am trying to install happybase which depends on thriftpy2 I am getting this error when I try to install

Requirement already satisfied: cython in /home/kadhiresh/.local/lib/python3.7/site-packages (0.29.13)
Collecting thriftpy
Using cached https://files.pythonhosted.org/packages/f4/19/cca118cf7d2087310dbc8bd70dc7df0c1320f2652873a93d06d7ba356d4a/thriftpy-0.3.9.tar.gz
Requirement already satisfied: ply<4.0,>=3.4 in /usr/local/lib/python3.7/dist-packages (from thriftpy) (3.11)
Building wheels for collected packages: thriftpy
Running setup.py bdist_wheel for thriftpy ... error
Complete output from command /usr/bin/python3 -u -c "import setuptools, tokenize;file='/tmp/pip-install-acdxwdma/thriftpy/setup.py';f=getattr(tokenize, 'open', open)(file);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, file, 'exec'))" bdist_wheel -d /tmp/pip-wheel-_4mehqhx --python-tag cp37:
running bdist_wheel
The [wheel] section is deprecated. Use [bdist_wheel] instead.
running build
running build_py
creating build
creating build/lib.linux-x86_64-3.7
creating build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/tornado.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/server.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/init.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/hook.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/utils.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/thrift.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/rpc.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/_compat.py -> build/lib.linux-x86_64-3.7/thriftpy
creating build/lib.linux-x86_64-3.7/thriftpy/parser
copying thriftpy/parser/parser.py -> build/lib.linux-x86_64-3.7/thriftpy/parser
copying thriftpy/parser/init.py -> build/lib.linux-x86_64-3.7/thriftpy/parser
copying thriftpy/parser/exc.py -> build/lib.linux-x86_64-3.7/thriftpy/parser
copying thriftpy/parser/lexer.py -> build/lib.linux-x86_64-3.7/thriftpy/parser
creating build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/init.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/exc.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/compact.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/json.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/multiplex.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/binary.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
creating build/lib.linux-x86_64-3.7/thriftpy/transport
copying thriftpy/transport/init.py -> build/lib.linux-x86_64-3.7/thriftpy/transport
copying thriftpy/transport/_ssl.py -> build/lib.linux-x86_64-3.7/thriftpy/transport
copying thriftpy/transport/socket.py -> build/lib.linux-x86_64-3.7/thriftpy/transport
copying thriftpy/transport/sslsocket.py -> build/lib.linux-x86_64-3.7/thriftpy/transport
creating build/lib.linux-x86_64-3.7/thriftpy/contrib
copying thriftpy/contrib/init.py -> build/lib.linux-x86_64-3.7/thriftpy/contrib
creating build/lib.linux-x86_64-3.7/thriftpy/transport/memory
copying thriftpy/transport/memory/init.py -> build/lib.linux-x86_64-3.7/thriftpy/transport/memory
creating build/lib.linux-x86_64-3.7/thriftpy/transport/buffered
copying thriftpy/transport/buffered/init.py -> build/lib.linux-x86_64-3.7/thriftpy/transport/buffered
creating build/lib.linux-x86_64-3.7/thriftpy/transport/framed
copying thriftpy/transport/framed/init.py -> build/lib.linux-x86_64-3.7/thriftpy/transport/framed
creating build/lib.linux-x86_64-3.7/thriftpy/contrib/tracking
copying thriftpy/contrib/tracking/init.py -> build/lib.linux-x86_64-3.7/thriftpy/contrib/tracking
copying thriftpy/contrib/tracking/tracker.py -> build/lib.linux-x86_64-3.7/thriftpy/contrib/tracking
copying thriftpy/contrib/tracking/tracking.thrift -> build/lib.linux-x86_64-3.7/thriftpy/contrib/tracking
running build_ext
building 'thriftpy.transport.cybase' extension
creating build/temp.linux-x86_64-3.7
creating build/temp.linux-x86_64-3.7/thriftpy
creating build/temp.linux-x86_64-3.7/thriftpy/transport
x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.7m -c thriftpy/transport/cybase.c -o build/temp.linux-x86_64-3.7/thriftpy/transport/cybase.o
thriftpy/transport/cybase.c:17:10: fatal error: Python.h: No such file or directory
#include "Python.h"
^~~~~~~~~~
compilation terminated.
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

---

Failed building wheel for thriftpy
Running setup.py clean for thriftpy
Failed to build thriftpy
Installing collected packages: thriftpy
Running setup.py install for thriftpy ... error
Complete output from command /usr/bin/python3 -u -c "import setuptools, tokenize;file='/tmp/pip-install-acdxwdma/thriftpy/setup.py';f=getattr(tokenize, 'open', open)(file);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, file, 'exec'))" install --record /tmp/pip-record-j2iaac60/install-record.txt --single-version-externally-managed --compile --user --prefix=:
running install
running build
running build_py
creating build
creating build/lib.linux-x86_64-3.7
creating build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/tornado.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/server.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/init.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/hook.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/utils.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/thrift.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/rpc.py -> build/lib.linux-x86_64-3.7/thriftpy
copying thriftpy/_compat.py -> build/lib.linux-x86_64-3.7/thriftpy
creating build/lib.linux-x86_64-3.7/thriftpy/parser
copying thriftpy/parser/parser.py -> build/lib.linux-x86_64-3.7/thriftpy/parser
copying thriftpy/parser/init.py -> build/lib.linux-x86_64-3.7/thriftpy/parser
copying thriftpy/parser/exc.py -> build/lib.linux-x86_64-3.7/thriftpy/parser
copying thriftpy/parser/lexer.py -> build/lib.linux-x86_64-3.7/thriftpy/parser
creating build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/init.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/exc.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/compact.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/json.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/multiplex.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
copying thriftpy/protocol/binary.py -> build/lib.linux-x86_64-3.7/thriftpy/protocol
creating build/lib.linux-x86_64-3.7/thriftpy/transport
copying thriftpy/transport/init.py -> build/lib.linux-x86_64-3.7/thriftpy/transport
copying thriftpy/transport/_ssl.py -> build/lib.linux-x86_64-3.7/thriftpy/transport
copying thriftpy/transport/socket.py -> build/lib.linux-x86_64-3.7/thriftpy/transport
copying thriftpy/transport/sslsocket.py -> build/lib.linux-x86_64-3.7/thriftpy/transport
creating build/lib.linux-x86_64-3.7/thriftpy/contrib
copying thriftpy/contrib/init.py -> build/lib.linux-x86_64-3.7/thriftpy/contrib
creating build/lib.linux-x86_64-3.7/thriftpy/transport/memory
copying thriftpy/transport/memory/init.py -> build/lib.linux-x86_64-3.7/thriftpy/transport/memory
creating build/lib.linux-x86_64-3.7/thriftpy/transport/buffered
copying thriftpy/transport/buffered/init.py -> build/lib.linux-x86_64-3.7/thriftpy/transport/buffered
creating build/lib.linux-x86_64-3.7/thriftpy/transport/framed
copying thriftpy/transport/framed/init.py -> build/lib.linux-x86_64-3.7/thriftpy/transport/framed
creating build/lib.linux-x86_64-3.7/thriftpy/contrib/tracking
copying thriftpy/contrib/tracking/init.py -> build/lib.linux-x86_64-3.7/thriftpy/contrib/tracking
copying thriftpy/contrib/tracking/tracker.py -> build/lib.linux-x86_64-3.7/thriftpy/contrib/tracking
copying thriftpy/contrib/tracking/tracking.thrift -> build/lib.linux-x86_64-3.7/thriftpy/contrib/tracking
running build_ext
building 'thriftpy.transport.cybase' extension
creating build/temp.linux-x86_64-3.7
creating build/temp.linux-x86_64-3.7/thriftpy
creating build/temp.linux-x86_64-3.7/thriftpy/transport
x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.7m -c thriftpy/transport/cybase.c -o build/temp.linux-x86_64-3.7/thriftpy/transport/cybase.o
thriftpy/transport/cybase.c:17:10: fatal error: Python.h: No such file or directory
#include "Python.h"
^~~~~~~~~~
compilation terminated.
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

I have tried both ways pip3 install cython thirftpy2
does it supports python 3.7
cython I have installed 0.29.13