def test_change_useragent(self):
"Test changing the HTTP useragent string."
from relayr import config
from relayr.api import Api
port = get_free_port()
t = MyThread(port)
t.start()
previous = config.relayrAPI[:]
url = 'http://localhost:%d' % port
config.relayrAPI = url
if PY3:
user_agent_key = 'User-Agent'
else:
user_agent_key = 'user-agent'
# default config user-agent
headers = Api().get_server_status()
assert headers[user_agent_key] == config.userAgent
# modified config user-agent
config.userAgent = 'Python Relayr API Super Special Testing Agent'
headers = Api().get_server_status()
assert headers[user_agent_key] == config.userAgent
t.stop()
config.relayrAPI = previous
def __init__(self, token=None):
"""
:arg token: A token generated on the relayr site for the combination of
a user and an application.
:type token: A string.
"""
self.api = Api(token=token)
class Client(object):
"""
A client providing a higher level interface to the relayr cloud platform.
Example:
.. code-block:: python
c = Client(token='...')
info = c.get_oauth_user_info()
usr = User(info['id'], client=c)
devs = usr.get_devices()
d = next(devs)
apps = usr.get_apps()
"""
def __init__(self, token=None):
"""
:arg token: A token generated on the relayr site for the combination of
a user and an application.
:type token: A string.
"""
self.api = Api(token=token)
def get_public_apps(self):
"""
Returns a generator for all apps on the relayr platform.
A generator is returned since the called API method always
returns the entire results list and not a paginated one.
:rtype: A generator for :py:class:`relayr.resources.App` objects.
.. code-block:: python
c = Client(token='...')
apps = c.get_public_apps()
for app in apps:
print('%s %s' % (app.id, app.name))
"""
for app in self.api.get_public_apps():
a = App(app['id'], client=self)
a.get_info()
yield a
def get_public_publishers(self):
"""
Returns a generator for all publishers on the relayr platform.
A generator is returned since the called API method always
returns the entire results list and not a paginated one.
:rtype: A generator for :py:class:`relayr.resources.Publisher` objects.
"""
for pub in self.api.get_public_publishers():
p = Publisher(pub['id'], client=self)
for k in pub:
setattr(p, k, pub[k])
# p.get_info()
yield p
def get_public_devices(self, meaning=''):
"""
Returns a generator for all devices on the relayr platform.
A generator is returned since the called API method always
returns the entire results list and not a paginated one.
:arg meaning: The *meaning* (type) of the desired devices.
:type meaning: string
:rtype: A generator for :py:class:`relayr.resources.Device` objects.
"""
for dev in self.api.get_public_devices(meaning=meaning):
d = Device(dev['id'], client=self)
d.get_info()
yield d
def get_public_device_models(self):
"""
Returns a generator for all device models on the relayr platform.
A generator is returned since the called API method always
returns the entire results list and not a paginated one.
:rtype: A generator for :py:class:`relayr.resources.DeviceModel` objects.
"""
for dm in self.api.get_public_device_models():
d = DeviceModel(dm['id'], client=self)
d.get_info()
yield d
def get_public_device_model_meanings(self):
"""
Returns a generator for all device models' meanings on the relayr platform.
A device model meaning is a simple dictionary with a ``key`` and ``value``
field.
A generator is returned since the called API method always
returns the entire results list and not a paginated one.
:rtype: A device model meaning (as a dictionary) generator.
.. code-block:: python
{'key': 'humidity', 'value': 'humidity'}
"""
for dmm in self.api.get_public_device_model_meanings():
yield dmm
def get_user(self):
"""
Returns the relayr user owning the API client.
:rtype: A :py:class:`relayr.resources.User` object.
"""
info = self.api.get_oauth2_user_info()
usr = User(info['id'], client=self)
for k in info:
setattr(usr, k, info[k])
return usr
def get_app(self):
"""
Returns the relayr application of the API client.
:rtype: A :py:class:`relayr.resources.App` object.
"""
info = self.api.get_oauth2_app_info()
app = App(info['id'], client=self)
app.get_info()
return app
def get_device(self, id):
"""
Returns the device with the specified ID.
:arg id: the unique ID for the desired device.
:type id: string
:rtype: A :py:class:`relayr.resources.Device` object.
"""
return Device(id=id, client=self)
def send_data_to_plotly():
tls.set_credentials_file(stream_ids=[
"l2jcjzwcag",
"vd0uk9bn68",
"gb7zo82zbm",
"h9zzpurc0q"
])
a = Api(token='ENtcsvfM9tOT0.ktctGbJDdAyxZtKVEF')
stream_ids = tls.get_credentials_file()['stream_ids']
print (stream_ids)
stream_id = stream_ids[0]
stream_id2 = stream_ids[1]
# Make instance of stream id object
stream = Stream(
token=stream_id, # (!) link stream id to 'token' key
maxpoints=80 # (!) keep a max of 80 pts on screen
)
stream2 = Stream(
token=stream_id2, # (!) link stream id to 'token' key
maxpoints=80 # (!) keep a max of 80 pts on screen
)
# Initialize trace of streaming plot by embedding the unique stream_id
trace1 = Scatter(
x=[],
y=[],
mode='lines+markers',
stream=stream # (!) embed stream id, 1 per trace
)
trace2 = Scatter(
x=[],
y=[],
mode='lines+markers',
stream=stream2 # (!) embed stream id, 1 per trace
)
data = Data([trace1])
data2 = Data([trace2])
# Add title to layout object
layout = Layout(title='BPM Series')
layout2 = Layout(title='Heartbeat monitoring')
# Make a figure object
fig = Figure(data=data, layout=layout)
fig2 = Figure(data=data2, layout=layout2)
# (@) Send fig to Plotly, initialize streaming plot, open new tab
#unique_url = py.plot(fig, filename='s7_first-stream')
# (@) Make instance of the Stream link object,
# with same stream id as Stream id object
s = py.Stream(stream_id)
s2 = py.Stream(stream_id2)
# (@) Open the stream
s.open()
s2.open()
# Delay start of stream by 5 sec (time to switch tabs)
time.sleep(5)
ser = serial.Serial('/dev/ttyACM0', 115200)
while True:
ch = ser.readline()
x = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')
if 'B' in ch:
print ch
chfin = ch.split('B')
print chfin[1]
# Current time on x-axis, random numbers on y-axis
y = int(chfin[1])
# POST data to relayr
#finstr = "\'" + chfin[1] + "\'"
#print finstr
finstr = chfin[1].rstrip()
data = {'meaning' : 'bpm', 'value' : finstr }
print data
a.post_device_data('7ccfb852-2203-4616-8cbf-cdf55471abc9', data)
# (@) write to Plotly stream!
s.write(dict(x=x, y=y))
# (!) Write numbers to stream to append current data on plot,
# write lists to overwrite existing data on plot (more in 7.2).
elif 'S' in ch:
print ch
chfinS = ch.split('S')
print chfinS[1]
y1 = int(chfinS[1])
s2.write(dict(x=x, y=y1))
time.sleep(0.08) # (!) plot a point every 80 ms, for smoother plotting
# (@) Close the stream when done plotting
s.close()
s2.close()
