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| """ | |
| Notes | |
| ----- | |
| This module contains the functions for audiobook_gen that take the generated audio tensors and output to audio files, | |
| as well as assembling the final zip archive for user download. | |
| """ | |
| import logging | |
| from src import config | |
| def write_audio(audio_list, sample_path): | |
| """ | |
| Invokes torchaudio to save generated audio tensors to a file. | |
| Parameters | |
| ---------- | |
| audio_list : torch.tensor | |
| pytorch tensor containing generated audio | |
| sample_path : str | |
| file name and path for outputting tensor to audio file | |
| Returns | |
| ------- | |
| None | |
| """ | |
| import torch | |
| import torchaudio | |
| from src import config as cf | |
| if not config.output_path.exists(): | |
| config.output_path.mkdir() | |
| if len(audio_list) > 0: | |
| audio_file = torch.cat(audio_list).reshape(1, -1) | |
| torchaudio.save(sample_path, audio_file, cf.SAMPLE_RATE) | |
| logging.info(f'Audio generated at: {sample_path}') | |
| else: | |
| logging.info(f'Audio at: {sample_path} is empty.') | |
| def assemble_zip(title): | |
| """ | |
| Creates a zip file and inserts all .wav files in the output directory, | |
| and returns the name / path of the zip file. | |
| Parameters | |
| ---------- | |
| title : str | |
| title of document, used to name zip directory | |
| Returns | |
| ------- | |
| zip_name : str | |
| name and path of zip directory generated | |
| """ | |
| import zipfile | |
| from stqdm import stqdm | |
| if not config.output_path.exists(): | |
| config.output_path.mkdir() | |
| zip_name = config.output_path / f'{title}.zip' | |
| with zipfile.ZipFile(zip_name, mode="w") as archive: | |
| for file_path in stqdm(config.output_path.iterdir()): | |
| if file_path.suffix == '.wav': | |
| archive.write(file_path, arcname=file_path.name) | |
| file_path.unlink() | |
| return zip_name | |