def getStreams(self, namespace_id, query="", skip=0, count=100):
"""Retrieves a list of streams associated with 'namespace_id' under the current tenant"""
if namespace_id is None:
raise TypeError
if query is None:
raise TypeError
response = requests.get(
self.__url +
self.__getStreamsPath.format(tenant_id=self.__tenant,
namespace_id=namespace_id,
query=query,
skip=skip,
count=count),
headers=self.__qiHeaders())
if response.status_code < 200 or response.status_code >= 300:
response.close()
raise QiError(
"Failed to get all QiStreams. {status}:{reason}".format(
status=response.status_code, reason=response.text))
content = json.loads(response.content)
results = []
for item in content:
results.append(QiStream.fromJson(item))
response.close()
return results
def getStream(self, namespace_id, stream_id):
"""Retrieves a stream specified by 'stream_id' from the Qi Service"""
if namespace_id is None:
raise TypeError
if stream_id is None:
raise TypeError
response = requests.get(
self.__url + self.__streamsPath.format(tenant_id=self.__tenant, namespace_id=namespace_id, stream_id=stream_id),
headers=self.__qiHeaders())
if response.status_code < 200 or response.status_code >= 300:
response.close()
raise QiError("Failed to get QiStream, {stream_id}. {status}:{reason}".
format(stream_id=stream_id, status=response.status_code, reason=response.text))
stream = QiStream.fromJson(json.loads(response.content))
response.close()
return stream
def getOrCreateStream(self, namespace_id, stream):
"""Tells Qi Service to create a stream based on the local 'stream' QiStream object"""
if namespace_id is None:
raise TypeError
if stream is None or not isinstance(stream, QiStream):
raise TypeError
response = requests.post(
self.__url + self.__streamsPath.format(tenant_id=self.__tenant, namespace_id=namespace_id, stream_id=stream.Id),
data=stream.toJson(),
headers=self.__qiHeaders())
if response.status_code < 200 or response.status_code >= 300:
response.close()
raise QiError("Failed to create QiStream, {stream_id}. {status}:{reason}".
format(stream_id=stream.Id, status=response.status_code, reason=response.text))
stream = QiStream.fromJson(json.loads(response.content))
response.close()
return stream
def getStreams(self, namespace_id, query):
"""Retrieves a list of streams associated with 'namespace_id' under the current tenant"""
if namespace_id is None:
raise TypeError
if query is None:
raise TypeError
response = requests.get(
self.__url + self.__streamsPath.format(tenant_id=self.__tenant, namespace_id=namespace_id),
headers=self.__qiHeaders())
if response.status_code == 200:
print("Succeeded in getting all streams")
else:
response.close()
raise QiError("Failed to get all QiStreams. {status}:{reason}".
format(status=response.status_code, reason=response.text))
content = json.loads(response.content)
results = []
for item in content:
results.append(QiStream.fromJson(item))
response.close()
return results
