The world.py from sotelo

Python 3.x support

I believe I have this working on Python 3.5 (on OSX)

pip3 install cython
./build_world.sh
python3 setup.py develop

export LD_LIBRARY_PATH=/Users/pi/Dev/pythonStuff/VowelGen/world.py/tests

I'm pretty sure that last line is unnecessary, because LD_LIBRARY_PATH did not exist. I think that is a Windows thing.

cd /Users/pi/Dev/pythonStuff/VowelGen/world.py/tests
python3 test_world.py

The last line gives:

[email protected] ~ /Users/pi/Dev/pythonStuff/VowelGen/world.py/tests:
 ⤐  python3 test_world.py 
Traceback (most recent call last):
  File "test_world.py", line 4, in <module>
    from world import *
ImportError: dlopen(/Users/pi/Dev/pythonStuff/VowelGen/world.py/world.cpython-35m-darwin.so, 2): Library not loaded: /usr/local/lib/libworld.dylib
  Referenced from: /Users/pi/Dev/pythonStuff/VowelGen/world.py/world.cpython-35m-darwin.so
  Reason: image not found

Searching my filesystem locates /Users/pi/Dev/pythonStuff/VowelGen/world.py/lib/world/build/src/libworld.dylib

And setup.py has:

library_dirs = [os.path.join(os.getcwd(), 'lib/world/build/src/')],

So I cannot see why it does not find it. Anyway, manually copy this libworld.dylib into my /usr/local/lib/ fixes it.

If I ls -l,

[email protected] ~ /Users/pi/Dev/pythonStuff/VowelGen/world.py:
 ⤐  ls -l
total 2880
-rw-r--r--   1 pi  staff      534 28 Oct 21:59 README.md
drwxr-xr-x   3 pi  staff      102 28 Oct 22:01 build
-rwxr-xr-x   1 pi  staff      103 28 Oct 21:59 build_world.sh
drwxr-xr-x   3 pi  staff      102 28 Oct 21:59 lib
lrwxr-xr-x   1 pi  staff       31 28 Oct 21:59 libworld.so -> lib/world/build/src/libworld.so
lrwxr-xr-x   1 pi  staff       33 28 Oct 21:59 libworld.so.0 -> lib/world/build/src/libworld.so.0
lrwxr-xr-x   1 pi  staff       37 28 Oct 21:59 libworld.so.0.1.4 -> lib/world/build/src/libworld.so.0.1.4
drwxr-xr-x  18 pi  staff      612 28 Oct 21:59 scripts
-rw-r--r--   1 pi  staff      554 28 Oct 21:59 setup.py
drwxr-xr-x   4 pi  staff      136 28 Oct 21:59 tests
-rw-r--r--   1 pi  staff  1150244 28 Oct 22:01 world.cpp
-rwxr-xr-x   1 pi  staff   280808 28 Oct 22:01 world.cpython-35m-darwin.so
drwxr-xr-x   6 pi  staff      204 28 Oct 22:01 world.egg-info
-rw-r--r--   1 pi  staff     2206 28 Oct 21:59 world.pxd
-rw-r--r--   1 pi  staff     8660 28 Oct 21:59 world.pyx

...it looks as though world.cpython-35m-darwin.so is failing to see libworld.so because it is looking for libworld.dylib -- or maybe there should be an additional libworld.dylib -> lib/world/build/src/libworld.dylib symlink?

ok, now python3 test_world.py completes but it doesn't do anything. Looking at the source code for test_world.py it is clear why. It just creates a class. Shouldn't this file also test the class it creates? Otherwise it doesn't seem to make any sense. What is this file doing? What is this folder doing?

It's misleading because it is in /tests and the actual test.py is in /scripts. So when I read the readme.md, I assumed there was some typing error. I did not think to look in /scripts

I needed to modify /scripts/test.py in three places:
file = b'test16k.wav' # π: added b
writewav(y, fs, nbit, b"y_test.wav") # π: added b
writewav(ya, fs, nbit, b"ya_test.wav") # π: added b

Now those lines return a Bytes type for both Python2 and Python3.

Now python3 test.py completes! I now have extra 2 files:

-rw-r--r--  1 pi  staff  121444 29 Oct 10:47 y_test.wav
-rw-r--r--  1 pi  staff  121444 29 Oct 10:47 ya_test.wav

So I think this means it is working.

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