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Text twiddles/red reduction

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Jamie Hardt
2023-11-08 19:30:28 -08:00
parent 4f51584fe9
commit 3817357fac
2 changed files with 9 additions and 4 deletions
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2
wavinfo/wave_dbmd_reader.py
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@@ -10,7 +10,7 @@ Unless otherwise stated, all § references here are to
from enum import IntEnum, Enum from enum import IntEnum, Enum
from struct import unpack from struct import unpack
from dataclasses import dataclass, asdict from dataclasses import dataclass, asdict
from typing import List, Optional, Tuple, Any, Union from typing import List, Tuple, Any, Union
from io import BytesIO from io import BytesIO

11
wavinfo/wave_info_reader.py
View File

@@ -9,10 +9,13 @@ class WavInfoChunkReader:
f.seek(0) f.seek(0)
parsed_chunks = parse_chunk(f) parsed_chunks = parse_chunk(f)
assert type(parsed_chunks) == ListChunkDescriptor
list_chunks = [chunk for chunk in parsed_chunks.children if type(chunk) is ListChunkDescriptor] list_chunks = [chunk for chunk in parsed_chunks.children
if type(chunk) is ListChunkDescriptor]
self.info_chunk = next((chunk for chunk in list_chunks if chunk.signature == b'INFO'), None) self.info_chunk = next((chunk for chunk in list_chunks
if chunk.signature == b'INFO'), None)
#: 'ICOP' Copyright #: 'ICOP' Copyright
self.copyright : Optional[str] = self._get_field(f, b'ICOP') self.copyright : Optional[str] = self._get_field(f, b'ICOP')
@@ -49,7 +52,9 @@ class WavInfoChunkReader:
self.commissioned : Optional[str] = self._get_field(f, b'ICMS') self.commissioned : Optional[str] = self._get_field(f, b'ICMS')
def _get_field(self, f, field_ident) -> Optional[str]: def _get_field(self, f, field_ident) -> Optional[str]:
search = next(((chunk.start, chunk.length) for chunk in self.info_chunk.children if chunk.ident == field_ident), search = next(((chunk.start, chunk.length) \
for chunk in self.info_chunk.children \
if chunk.ident == field_ident),
None) None)
if search is not None: if search is not None: