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jasper-dev: Support multiple google speech api keys #517

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jasper-dev: Support multiple google speech api keys #517

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23 changes: 21 additions & 2 deletions plugins/stt/google-stt/google.py
100644 → 100755
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,16 @@ def __init__(self, *args, **kwargs):
language = 'en-US'

self.language = language.lower()
self.api_key = self.profile['keys']['GOOGLE_SPEECH']
api_key = self.profile['keys']['GOOGLE_SPEECH']
if isinstance(api_key, list):
self.key_index = 0
self.request_count = 0
self.api_quota = 50
else:
self.key_index = -1

self.api_key = api_key


@property
def request_url(self):
Expand All @@ -78,9 +87,13 @@ def api_key(self, value):

def _regenerate_request_url(self):
if self.api_key and self.language:
if self.key_index >= 0:
key = self.api_key[self.key_index]
else:
key = self.api_key
query = urllib.urlencode({'output': 'json',
'client': 'chromium',
'key': self.api_key,
'key': key,
'lang': self.language,
'maxresults': 6,
'pfilter': 2})
Expand All @@ -107,6 +120,11 @@ def transcribe(self, fp):
self._logger.critical('Language info missing, transcription ' +
'request aborted.')
return []
elif self.key_index >= 0 and self.request_count >= self.api_quota:
self._logger.debug("Switching api keys to stay under quota")
self.key_index = ((self.key_index + 1) % len(self.api_key))
self.request_count = 0
self._regenerate_request_url()

wav = wave.open(fp, 'rb')
frame_rate = wav.getframerate()
Expand All @@ -115,6 +133,7 @@ def transcribe(self, fp):

headers = {'content-type': 'audio/l16; rate=%s' % frame_rate}
r = self._http.post(self.request_url, data=data, headers=headers)
self.request_count += 1
try:
r.raise_for_status()
except requests.exceptions.HTTPError:
Expand Down