speechmatics.helpers

Helper functions used by the library.

speechmatics.helpers.del_none(dictionary)[source]

Recursively delete from the dictionary all entries which values are None. This function changes the input parameter in place.

Parameters

dictionary (dict) – input dictionary

Returns

output dictionary

Return type

dict

speechmatics.helpers.json_utf8(func)[source]

A decorator to turn a function’s return value into JSON

async speechmatics.helpers.read_in_chunks(stream, chunk_size)[source]

Utility method for reading in and yielding chunks

Parameters
  • stream (io.IOBase) – file-like object to read audio from

  • chunk_size (int) – maximum chunk size in bytes

Raises

ValueError – if no data was read from the stream

Returns

a sequence of chunks of data where the length in bytes of each chunk is <= max_sample_size and a multiple of max_sample_size

Return type

collections.AsyncIterable