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Add Python API (#31)

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This commit is contained in:
Fangjun Kuang
2023-02-19 19:36:03 +08:00
committed by GitHub
parent 8acc059b3f
commit ea09d5fbc5
51 changed files with 967 additions and 57 deletions
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29
sherpa-onnx/python/csrc/CMakeLists.txt Normal file
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include_directories(${CMAKE_SOURCE_DIR})
pybind11_add_module(_sherpa_onnx
features.cc
online-transducer-model-config.cc
sherpa-onnx.cc
online-stream.cc
online-recognizer.cc
)
if(APPLE)
execute_process(
COMMAND "${PYTHON_EXECUTABLE}" -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())"
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE PYTHON_SITE_PACKAGE_DIR
)
message(STATUS "PYTHON_SITE_PACKAGE_DIR: ${PYTHON_SITE_PACKAGE_DIR}")
target_link_libraries(_sherpa_onnx PRIVATE "-Wl,-rpath,${PYTHON_SITE_PACKAGE_DIR}")
endif()
if(NOT WIN32)
target_link_libraries(_sherpa_onnx PRIVATE "-Wl,-rpath,${SHERPA_ONNX_RPATH_ORIGIN}/sherpa_onnx/lib")
endif()
target_link_libraries(_sherpa_onnx PRIVATE sherpa-onnx-core)
install(TARGETS _sherpa_onnx
DESTINATION ../
)

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sherpa-onnx/python/csrc/features.cc Normal file
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// sherpa-onnx/python/csrc/features.cc
//
// Copyright (c) 2023 Xiaomi Corporation
#include "sherpa-onnx/python/csrc/features.h"
#include "sherpa-onnx/csrc/features.h"
namespace sherpa_onnx {
static void PybindFeatureExtractorConfig(py::module *m) {
using PyClass = FeatureExtractorConfig;
py::class_<PyClass>(*m, "FeatureExtractorConfig")
.def(py::init<float, int32_t>(), py::arg("sampling_rate") = 16000,
py::arg("feature_dim") = 80)
.def_readwrite("sampling_rate", &PyClass::sampling_rate)
.def_readwrite("feature_dim", &PyClass::feature_dim)
.def("__str__", &PyClass::ToString);
}
void PybindFeatures(py::module *m) { PybindFeatureExtractorConfig(m); }
} // namespace sherpa_onnx

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sherpa-onnx/python/csrc/features.h Normal file
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// sherpa-onnx/python/csrc/features.h
//
// Copyright (c) 2023 Xiaomi Corporation
#ifndef SHERPA_ONNX_PYTHON_CSRC_FEATURES_H_
#define SHERPA_ONNX_PYTHON_CSRC_FEATURES_H_
#include "sherpa-onnx/python/csrc/sherpa-onnx.h"
namespace sherpa_onnx {
void PybindFeatures(py::module *m);
}
#endif // SHERPA_ONNX_PYTHON_CSRC_FEATURES_H_

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sherpa-onnx/python/csrc/online-recognizer.cc Normal file
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// sherpa-onnx/python/csrc/online-recongizer.cc
//
// Copyright (c) 2023 Xiaomi Corporation
#include "sherpa-onnx/python/csrc/online-recognizer.h"
#include <string>
#include <vector>
#include "sherpa-onnx/csrc/online-recognizer.h"
namespace sherpa_onnx {
static void PybindOnlineRecognizerResult(py::module *m) {
using PyClass = OnlineRecognizerResult;
py::class_<PyClass>(*m, "OnlineRecognizerResult")
.def_property_readonly("text", [](PyClass &self) { return self.text; });
}
static void PybindOnlineRecognizerConfig(py::module *m) {
using PyClass = OnlineRecognizerConfig;
py::class_<PyClass>(*m, "OnlineRecognizerConfig")
.def(py::init<const FeatureExtractorConfig &,
const OnlineTransducerModelConfig &, const std::string &>(),
py::arg("feat_config"), py::arg("model_config"), py::arg("tokens"))
.def_readwrite("feat_config", &PyClass::feat_config)
.def_readwrite("model_config", &PyClass::model_config)
.def_readwrite("tokens", &PyClass::tokens)
.def("__str__", &PyClass::ToString);
}
void PybindOnlineRecognizer(py::module *m) {
PybindOnlineRecognizerResult(m);
PybindOnlineRecognizerConfig(m);
using PyClass = OnlineRecognizer;
py::class_<PyClass>(*m, "OnlineRecognizer")
.def(py::init<const OnlineRecognizerConfig &>(), py::arg("config"))
.def("create_stream", &PyClass::CreateStream)
.def("is_ready", &PyClass::IsReady)
.def("decode_stream", &PyClass::DecodeStream)
.def("decode_streams",
[](PyClass &self, std::vector<OnlineStream *> ss) {
self.DecodeStreams(ss.data(), ss.size());
})
.def("get_result", &PyClass::GetResult);
}
} // namespace sherpa_onnx

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sherpa-onnx/python/csrc/online-recognizer.h Normal file
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// sherpa-onnx/python/csrc/online-recongizer.h
//
// Copyright (c) 2023 Xiaomi Corporation
#ifndef SHERPA_ONNX_PYTHON_CSRC_ONLINE_RECOGNIZER_H_
#define SHERPA_ONNX_PYTHON_CSRC_ONLINE_RECOGNIZER_H_
#include "sherpa-onnx/python/csrc/sherpa-onnx.h"
namespace sherpa_onnx {
void PybindOnlineRecognizer(py::module *m);
}
#endif // SHERPA_ONNX_PYTHON_CSRC_ONLINE_RECOGNIZER_H_

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sherpa-onnx/python/csrc/online-stream.cc Normal file
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// sherpa-onnx/python/csrc/online-stream.cc
//
// Copyright (c) 2023 Xiaomi Corporation
#include "sherpa-onnx/python/csrc/online-stream.h"
#include "sherpa-onnx/csrc/online-stream.h"
namespace sherpa_onnx {
void PybindOnlineStream(py::module *m) {
using PyClass = OnlineStream;
py::class_<PyClass>(*m, "OnlineStream")
.def("accept_waveform",
[](PyClass &self, float sample_rate, py::array_t<float> waveform) {
self.AcceptWaveform(sample_rate, waveform.data(), waveform.size());
})
.def("input_finished", &PyClass::InputFinished);
}
} // namespace sherpa_onnx

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sherpa-onnx/python/csrc/online-stream.h Normal file
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// sherpa-onnx/python/csrc/online-stream.h
//
// Copyright (c) 2023 Xiaomi Corporation
#ifndef SHERPA_ONNX_PYTHON_CSRC_ONLINE_STREAM_H_
#define SHERPA_ONNX_PYTHON_CSRC_ONLINE_STREAM_H_
#include "sherpa-onnx/python/csrc/sherpa-onnx.h"
namespace sherpa_onnx {
void PybindOnlineStream(py::module *m);
}
#endif // SHERPA_ONNX_PYTHON_CSRC_ONLINE_STREAM_H_

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sherpa-onnx/python/csrc/online-transducer-model-config.cc Normal file
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// sherpa-onnx/python/csrc/online-transducer-model-config.cc
//
// Copyright (c) 2023 Xiaomi Corporation
#include "sherpa-onnx/csrc/online-transducer-model-config.h"
#include <string>
#include "sherpa-onnx/python/csrc/online-transducer-model-config.h"
namespace sherpa_onnx {
void PybindOnlineTransducerModelConfig(py::module *m) {
using PyClass = OnlineTransducerModelConfig;
py::class_<PyClass>(*m, "OnlineTransducerModelConfig")
.def(py::init<const std::string &, const std::string &,
const std::string &, int32_t, bool>(),
py::arg("encoder_filename"), py::arg("decoder_filename"),
py::arg("joiner_filename"), py::arg("num_threads"),
py::arg("debug") = false)
.def_readwrite("encoder_filename", &PyClass::encoder_filename)
.def_readwrite("decoder_filename", &PyClass::decoder_filename)
.def_readwrite("joiner_filename", &PyClass::joiner_filename)
.def_readwrite("num_threads", &PyClass::num_threads)
.def_readwrite("debug", &PyClass::debug)
.def("__str__", &PyClass::ToString);
}
} // namespace sherpa_onnx

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sherpa-onnx/python/csrc/online-transducer-model-config.h Normal file
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// sherpa-onnx/python/csrc/online-transducer-model-config.h
//
// Copyright (c) 2023 Xiaomi Corporation
#ifndef SHERPA_ONNX_PYTHON_CSRC_ONLINE_TRANSDUCER_MODEL_CONFIG_H_
#define SHERPA_ONNX_PYTHON_CSRC_ONLINE_TRANSDUCER_MODEL_CONFIG_H_
#include "sherpa-onnx/python/csrc/sherpa-onnx.h"
namespace sherpa_onnx {
void PybindOnlineTransducerModelConfig(py::module *m);
}
#endif // SHERPA_ONNX_PYTHON_CSRC_ONLINE_TRANSDUCER_MODEL_CONFIG_H_

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sherpa-onnx/python/csrc/sherpa-onnx.cc Normal file
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// sherpa-onnx/python/csrc/sherpa-onnx.cc
//
// Copyright (c) 2023 Xiaomi Corporation
#include "sherpa-onnx/python/csrc/sherpa-onnx.h"
#include "sherpa-onnx/python/csrc/features.h"
#include "sherpa-onnx/python/csrc/online-recognizer.h"
#include "sherpa-onnx/python/csrc/online-stream.h"
#include "sherpa-onnx/python/csrc/online-transducer-model-config.h"
namespace sherpa_onnx {
PYBIND11_MODULE(_sherpa_onnx, m) {
m.doc() = "pybind11 binding of sherpa-onnx";
PybindFeatures(&m);
PybindOnlineTransducerModelConfig(&m);
PybindOnlineStream(&m);
PybindOnlineRecognizer(&m);
}
} // namespace sherpa_onnx

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sherpa-onnx/python/csrc/sherpa-onnx.h Normal file
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// sherpa-onnx/python/csrc/sherpa-onnx.h
//
// Copyright (c) 2023 Xiaomi Corporation
#ifndef SHERPA_ONNX_PYTHON_CSRC_SHERPA_ONNX_H_
#define SHERPA_ONNX_PYTHON_CSRC_SHERPA_ONNX_H_
#include "pybind11/numpy.h"
#include "pybind11/pybind11.h"
#include "pybind11/stl.h"
namespace py = pybind11;
#endif // SHERPA_ONNX_PYTHON_CSRC_SHERPA_ONNX_H_