[WIP] Build vosk-api andits dependencies from source

This so we can use the same package for any architecture in the future.

buildroot-external/package/python-vosk-api/0001-Minimize-setup.py.patch

@@ -0,0 +1,82 @@
+From 549711480bb21121a4744da2fecaa50ecc65c619 Mon Sep 17 00:00:00 2001
+From: j1nx <p.steenbergen@j1nx.nl>
+Date: Tue, 20 Dec 2022 14:41:57 +0100
+Subject: [PATCH 1/1] Minimize setup.py
+
+---
+ python/setup.py | 44 ++------------------------------------------
+ 1 file changed, 2 insertions(+), 42 deletions(-)
+
+diff --git a/python/setup.py b/python/setup.py
+index dcfa5de..a1d1c70 100644
+--- a/python/setup.py
++++ b/python/setup.py
+@@ -1,44 +1,5 @@
+ import os
+ import setuptools
+-import shutil
+-import glob
+-import platform
+-
+-# Figure out environment for cross-compile
+-vosk_source = os.getenv("VOSK_SOURCE", os.path.abspath(os.path.join(os.path.dirname(__file__),
+-    "..")))
+-system = os.environ.get('VOSK_SYSTEM', platform.system())
+-architecture = os.environ.get('VOSK_ARCHITECTURE', platform.architecture()[0])
+-machine = os.environ.get('VOSK_MACHINE', platform.machine())
+-
+-# Copy precompmilled libraries
+-for lib in glob.glob(os.path.join(vosk_source, "src/lib*.*")):
+-    print ("Adding library", lib)
+-    shutil.copy(lib, "vosk")
+-
+-# Create OS-dependent, but Python-independent wheels.
+-try:
+-    from wheel.bdist_wheel import bdist_wheel
+-except ImportError:
+-    cmdclass = {}
+-else:
+-    class bdist_wheel_tag_name(bdist_wheel):
+-        def get_tag(self):
+-            abi = 'none'
+-            if system == 'Darwin':
+-                oses = 'macosx_10_6_universal2'
+-            elif system == 'Windows' and architecture == '32bit':
+-                oses = 'win32'
+-            elif system == 'Windows' and architecture == '64bit':
+-                oses = 'win_amd64'
+-            elif system == 'Linux' and machine == 'aarch64' and architecture == '64bit':
+-                oses = 'manylinux2014_aarch64'
+-            elif system == 'Linux':
+-                oses = 'linux_' + machine
+-            else:
+-                raise TypeError("Unknown build environment")
+-            return 'py3', abi, oses
+-    cmdclass = {'bdist_wheel': bdist_wheel_tag_name}
+ 
+ with open("README.md", "rb") as fh:
+     long_description = fh.read().decode("utf-8")
+@@ -52,7 +13,6 @@ setuptools.setup(
+     long_description=long_description,
+     long_description_content_type="text/markdown",
+     url="https://github.com/alphacep/vosk-api",
+-    packages=setuptools.find_packages(),
+     package_data = {'vosk': ['*.so', '*.dll', '*.dyld']},
+     entry_points = {
+         'console_scripts': ['vosk-transcriber=vosk.transcriber.cli:main'],
+@@ -66,10 +26,10 @@ setuptools.setup(
+         'Operating System :: MacOS :: MacOS X',
+         'Topic :: Software Development :: Libraries :: Python Modules'
+     ],
+-    cmdclass=cmdclass,
++    cmdclass={},
+     python_requires='>=3',
+     zip_safe=False, # Since we load so file from the filesystem, we can not run from zip file
+-    setup_requires=['cffi>=1.0', 'requests', 'tqdm', 'srt', 'websockets'],
++    setup_requires=['cffi>=1.0'],
+     install_requires=['cffi>=1.0', 'requests', 'tqdm', 'srt', 'websockets'],
+     cffi_modules=['vosk_builder.py:ffibuilder'],
+ )
+-- 
+2.34.1
+

buildroot-external/package/python-vosk-api/Config.in

@@ -0,0 +1,15 @@
+config BR2_PACKAGE_PYTHON_VOSK_API
+	bool "python-vosk-api"
+	select BR2_PACKAGE_PYTHON_CFFI
+	select BR2_PACKAGE_PYTHON_TQDM
+	select BR2_PACKAGE_PYTHON_REQUESTS
+	select BR2_PACKAGE_PYTHON_SRT
+	select BR2_PACKAGE_PYTHON_WEBSOCKETS
+	select BR2_PACKAGE_VOSK_API
+	help
+	  Offline speech recognition API for Android, iOS, 
+	  Raspberry Pi and servers with Python, Java, C# 
+	  and Node.
+
+	  https://github.com/alphacep/vosk-api.git
+

buildroot-external/package/python-vosk-api/python-vosk-api.hash

@@ -0,0 +1,2 @@
+# Locally computed
+sha256  51ec637e7b3ef42ed3df44530533a26b0798b0f0724e467eab85b6951f51c515  python-vosk-api-cf2560c9f8a49d3d366b433fdabd78c518231bec.tar.gz

buildroot-external/package/python-vosk-api/python-vosk-api.mk

@@ -0,0 +1,23 @@
+################################################################################
+#
+# python-vosk-api
+#
+################################################################################
+
+PYTHON_VOSK_API_VERSION = cf2560c9f8a49d3d366b433fdabd78c518231bec
+PYTHON_VOSK_API_SITE = $(call github,alphacep,vosk-api,$(PYTHON_VOSK_API_VERSION))
+PYTHON_VOSK_API_LICENSE = Apache License 2.0
+
+PYTHON_VOSK_API_DEPENDENCIES = python-cffi python-tqdm python-requests \
+				python-srt python-websockets vosk-api
+PYTHON_VOSK_API_SUBDIR = python
+PYTHON_VOSK_API_SETUP_TYPE = setuptools
+
+PYTHON_VOSK_API_POST_INSTALL_TARGET_HOOKS = PYTHON_VOSK_API_LIBVOSK_SO
+
+define PYTHON_VOSK_API_LIBVOSK_SO
+	$(INSTALL) -D -m 755 $(TARGET_DIR)/usr/lib/libvosk.so \
+	$(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages/vosk/
+endef
+
+$(eval $(python-package))