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Read aloud: Nicer error message when no audio devices are present on windows

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Kovid Goyal 2022-07-18 20:43:22 +05:30
parent bd8b1c81ff
commit b256801599
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 13 additions and 2 deletions
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15
src/calibre/gui2/tts/windows.py
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@ -181,6 +181,17 @@ class Client:
import traceback
traceback.print_exc()
def speak_implementation(self, *args):
try:
return self.sp_voice.speak(*args)
except OSError as err:
# see https://docs.microsoft.com/en-us/previous-versions/office/developer/speech-technologies/jj127491(v=msdn.10)
import re
hr = int(re.search(r'\[hr=(0x\S+)', str(err)).group(1), 16)
if hr == 0x8004503a:
raise OSError(_('No active audio output devices found. Connect headphones or speakers.')) from err
raise
def speak(self, text, is_xml=False, want_events=True, purge=True):
from calibre_extensions.winsapi import (
SPF_ASYNC, SPF_IS_NOT_XML, SPF_PURGEBEFORESPEAK, SPF_IS_XML
@ -188,11 +199,11 @@ class Client:
flags = SPF_IS_XML if is_xml else SPF_IS_NOT_XML
if purge:
flags |= SPF_PURGEBEFORESPEAK
return self.sp_voice.speak(text, flags | SPF_ASYNC, want_events)
return self.speak_implementation(text, flags | SPF_ASYNC, want_events)
def purge(self):
from calibre_extensions.winsapi import SPF_PURGEBEFORESPEAK
self.sp_voice.speak('', SPF_PURGEBEFORESPEAK, False)
self.speak_implementation('', SPF_PURGEBEFORESPEAK, False)
self.synthesizing = False
def speak_simple_text(self, text):