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Improved opensubtitles.com provider to deal with return codes in some edge cases. #2179

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pull/2199/head
morpheus65535 1 year ago
parent cfc8a91488
commit 529b5a1386
1 changed files with 106 additions and 113 deletions
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219
libs/subliminal_patch/providers/opensubtitlescom.py
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@ -193,7 +193,7 @@ class OpenSubtitlesComProvider(ProviderRetryMixin, Provider):
def login(self):
r = self.retry(
lambda: checked(
lambda: self.checked(
lambda: self.session.post(self.server_url + 'login',
json={"username": self.username, "password": self.password},
allow_redirects=False,
@ -204,9 +204,13 @@ class OpenSubtitlesComProvider(ProviderRetryMixin, Provider):
amount=retry_amount
)
self.token = r.json()['token']
region.set("oscom_token", self.token)
return
try:
self.token = r.json()['token']
except (ValueError, JSONDecodeError):
return False
else:
region.set("oscom_token", self.token)
return True
@staticmethod
def sanitize_external_ids(external_id):
@ -223,29 +227,14 @@ class OpenSubtitlesComProvider(ProviderRetryMixin, Provider):
logging.debug(f'Searching using this title: {title}')
results = self.retry(
lambda: checked(
lambda: self.checked(
lambda: self.session.get(self.server_url + 'features', params=parameters, timeout=30),
validate_token=True,
validate_json=True,
json_key_name='data'
),
amount=retry_amount
)
if results == 401:
logging.debug('Authentication failed: clearing cache and attempting to login.')
region.delete("oscom_token")
self.login()
results = self.retry(
lambda: checked(
lambda: self.session.get(self.server_url + 'features', params=parameters, timeout=30),
validate_json=True,
json_key_name='data'
),
amount=retry_amount
)
# deserialize results
results_dict = results.json()['data']
@ -307,7 +296,7 @@ class OpenSubtitlesComProvider(ProviderRetryMixin, Provider):
# query the server
if isinstance(self.video, Episode):
res = self.retry(
lambda: checked(
lambda: self.checked(
lambda: self.session.get(self.server_url + 'subtitles',
params=(('ai_translated', 'exclude'),
('episode_number', self.video.episode),
@ -325,7 +314,7 @@ class OpenSubtitlesComProvider(ProviderRetryMixin, Provider):
)
else:
res = self.retry(
lambda: checked(
lambda: self.checked(
lambda: self.session.get(self.server_url + 'subtitles',
params=(('ai_translated', 'exclude'),
('id', title_id if title_id else None),
@ -423,7 +412,7 @@ class OpenSubtitlesComProvider(ProviderRetryMixin, Provider):
headers = {'Accept': 'application/json', 'Content-Type': 'application/json',
'Authorization': 'Bearer ' + self.token}
res = self.retry(
lambda: checked(
lambda: self.checked(
lambda: self.session.post(self.server_url + 'download',
json={'file_id': subtitle.file_id, 'sub_format': 'srt'},
headers=headers,
@ -438,7 +427,7 @@ class OpenSubtitlesComProvider(ProviderRetryMixin, Provider):
subtitle.download_link = download_data['link']
r = self.retry(
lambda: checked(
lambda: self.checked(
lambda: self.session.get(subtitle.download_link, timeout=30),
validate_content=True
),
@ -453,103 +442,107 @@ class OpenSubtitlesComProvider(ProviderRetryMixin, Provider):
subtitle_content = r.content
subtitle.content = fix_line_ending(subtitle_content)
def reset_token(self):
logging.debug('Authentication failed: clearing cache and attempting to login.')
region.delete("oscom_token")
return self.login()
def checked(fn, raise_api_limit=False, validate_token=False, validate_json=False, json_key_name=None,
validate_content=False):
"""Run :fn: and check the response status before returning it.
def checked(self, fn, raise_api_limit=False, validate_json=False, json_key_name=None, validate_content=False):
"""Run :fn: and check the response status before returning it.
:param fn: the function to make an API call to OpenSubtitles.com.
:param raise_api_limit: if True we wait a little bit longer before running the call again.
:param validate_token: test if token is valid and return 401 if not.
:param validate_json: test if response is valid json.
:param json_key_name: test if returned json contain a specific key.
:param validate_content: test if response have a content (used with download).
:return: the response.
:param fn: the function to make an API call to OpenSubtitles.com.
:param raise_api_limit: if True we wait a little bit longer before running the call again.
:param validate_json: test if response is valid json.
:param json_key_name: test if returned json contain a specific key.
:param validate_content: test if response have a content (used with download).
:return: the response.
"""
response = None
try:
"""
response = None
try:
response = fn()
except APIThrottled:
if not raise_api_limit:
logger.info("API request limit hit, waiting and trying again once.")
time.sleep(2)
return checked(fn, raise_api_limit=True)
raise
except (ConnectionError, Timeout, ReadTimeout):
raise ServiceUnavailable(f'Unknown Error, empty response: {response.status_code}: {response}')
try:
response = fn()
except APIThrottled:
if not raise_api_limit:
logger.info("API request limit hit, waiting and trying again once.")
time.sleep(2)
return self.checked(fn, raise_api_limit=True)
raise
except (ConnectionError, Timeout, ReadTimeout):
raise ServiceUnavailable(f'Unknown Error, empty response: {response.status_code}: {response}')
except Exception:
logging.exception('Unhandled exception raised.')
raise ProviderError('Unhandled exception raised. Check log.')
else:
status_code = response.status_code
except Exception:
logging.exception('Unhandled exception raised.')
raise ProviderError('Unhandled exception raised. Check log.')
status_code = None
else:
status_code = response.status_code
except Exception:
status_code = None
else:
if status_code == 400:
raise ConfigurationError('Do not use email but username')
elif status_code == 401:
time.sleep(1)
if validate_token:
return 401
else:
if status_code == 400:
raise ConfigurationError('Do not use email but username')
elif status_code == 401:
time.sleep(1)
log_request_response(response)
raise AuthenticationError(f'Login failed: {response.reason}')
elif status_code == 403:
log_request_response(response)
raise ProviderError("Bazarr API key seems to be in problem")
elif status_code == 406:
try:
json_response = response.json()
download_count = json_response['requests']
remaining_download = json_response['remaining']
quota_reset_time = json_response['reset_time']
except JSONDecodeError:
raise ProviderError('Invalid JSON returned by provider')
else:
logged_in = self.reset_token()
if logged_in:
return self.checked(fn, raise_api_limit=raise_api_limit, validate_json=validate_json,
json_key_name=json_key_name, validate_content=validate_content)
else:
raise AuthenticationError('Login failed')
elif status_code == 403:
log_request_response(response)
raise DownloadLimitExceeded(f"Daily download limit reached. {download_count} subtitles have been "
f"downloaded and {remaining_download} remaining subtitles can be "
f"downloaded. Quota will be reset in {quota_reset_time}.")
elif status_code == 410:
log_request_response(response)
raise ProviderError("Download as expired")
elif status_code == 429:
log_request_response(response)
raise TooManyRequests()
elif status_code == 500:
logging.debug("Server side exception raised while downloading from opensubtitles.com website. They "
"should mitigate this soon.")
return None
elif status_code == 502:
# this one should deal with Bad Gateway issue on their side.
raise APIThrottled()
elif 500 <= status_code <= 599:
raise ProviderError(response.reason)
if status_code != 200:
log_request_response(response)
raise ProviderError(f'Bad status code: {response.status_code}')
if validate_json:
try:
json_test = response.json()
except JSONDecodeError:
raise ProviderError('Invalid JSON returned by provider')
else:
if json_key_name not in json_test:
raise ProviderError(f'Invalid JSON returned by provider: no {json_key_name} key in returned json.')
if validate_content:
if not hasattr(response, 'content'):
logging.error('Download link returned no content attribute.')
return False
elif not response.content:
logging.error(f'This download link returned empty content: {response.url}')
return False
return response
raise ProviderError("Bazarr API key seems to be in problem")
elif status_code == 406:
try:
json_response = response.json()
download_count = json_response['requests']
remaining_download = json_response['remaining']
quota_reset_time = json_response['reset_time']
except JSONDecodeError:
raise ProviderError('Invalid JSON returned by provider')
else:
log_request_response(response)
raise DownloadLimitExceeded(f"Daily download limit reached. {download_count} subtitles have been "
f"downloaded and {remaining_download} remaining subtitles can be "
f"downloaded. Quota will be reset in {quota_reset_time}.")
elif status_code == 410:
log_request_response(response)
raise ProviderError("Download as expired")
elif status_code == 429:
log_request_response(response)
raise TooManyRequests()
elif status_code == 500:
logging.debug("Server side exception raised while downloading from opensubtitles.com website. They "
"should mitigate this soon.")
return None
elif status_code == 502:
# this one should deal with Bad Gateway issue on their side.
raise APIThrottled()
elif 500 <= status_code <= 599:
raise ProviderError(response.reason)
if status_code != 200:
log_request_response(response)
raise ProviderError(f'Bad status code: {response.status_code}')
if validate_json:
try:
json_test = response.json()
except JSONDecodeError:
raise ProviderError('Invalid JSON returned by provider')
else:
if json_key_name not in json_test:
raise ProviderError(f'Invalid JSON returned by provider: no {json_key_name} key in returned json.')
if validate_content:
if not hasattr(response, 'content'):
logging.error('Download link returned no content attribute.')
return False
elif not response.content:
logging.error(f'This download link returned empty content: {response.url}')
return False
return response
def log_request_response(response):

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