Using Twitcher Client



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# disable ssl warnings
import urllib3
urllib3.disable_warnings()



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from twitcher.client import TwitcherService
base_url = 'http://localhost:8000'
twitcher = TwitcherService(base_url, username='demo', password='demo', verify=False)

Register Client APP



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client = twitcher.add_client_app(name='test1', redirect_uri='http://demo/test1')
client

Register WPS service in Twitcher OWS Proxy



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service = twitcher.register_service(name="emu_demo", url="http://localhost:5000/wps")
service

WPS GetCapabilities request



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import requests

url = "{}/ows/proxy/emu_demo?service=WPS&request=GetCapabilities".format(base_url)
url



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resp = requests.get(url, verify=False)
resp.ok

WPS DescribeProcess request



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url = "{}/ows/proxy/emu_demo?service=WPS&version=1.0.0&request=DescribeProcess&identifier=hello".format(base_url)
url



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resp = requests.get(url, verify=False)
resp.ok

WPS Execute request ... restricted access



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url = "{}/ows/proxy/emu_demo?service=WPS&version=1.0.0&request=Execute&identifier=hello&DataInputs=name=Tux".format(base_url)
url



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resp = requests.get(url, verify=False)
resp.ok

Access forbidden without access token.



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'AccessForbidden' in resp.text

Get Access token for compute



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compute_token = twitcher.fetch_token(client_id=client['client_id'], client_secret=client['client_secret'], scope='compute')
compute_token

Add access token to parameters



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url = "{}/ows/proxy/emu_demo?service=WPS&version=1.0.0&request=Execute&identifier=hello&DataInputs=name=Tux&access_token={}".format(
        base_url, compute_token['access_token'])
url



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resp = requests.get(url, verify=False)
resp.ok



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'Hello Tux' in resp.text

... or add access token to headers



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headers = {'Authorization': 'Bearer {}'.format(compute_token['access_token'])}
headers



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resp = requests.get(
    "{}/ows/proxy/emu_demo?service=WPS&version=1.0.0&request=Execute&identifier=hello&DataInputs=name=Tux".format(base_url),
    headers=headers,
    verify=False)



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'Hello Tux' in resp.text