Add basic structure to access django-orchestra API

.env.example

@@ -1,3 +1,4 @@
 SECRET_KEY='$omeR@nd0mSecr3tKeyWith4V3ryL0ng$tring!?'
 DEBUG=True
 ALLOWED_HOSTS=.localhost,127.0.0.1
+API_BASE_URL = 'https://api.examplea.org/'

musician/api.py

@@ -0,0 +1,24 @@
+import urllib.parse
+
+from django.conf import settings
+from django.urls.exceptions import NoReverseMatch
+
+DOMAINS_PATH = 'domains/'
+TOKEN_PATH = '/api-token-auth/'
+
+API_PATHS = {
+    # auth
+    'token-auth': '/api-token-auth/',
+
+    # services
+    'domain-list': 'domains/',
+    # ... TODO (@slamora) complete list of backend URLs
+}
+
+
+def build_absolute_uri(path_name):
+    path = API_PATHS.get(path_name, None)
+    if path is None:
+        raise NoReverseMatch("Not found API path name '{}'".format(path_name))
+
+    return urllib.parse.urljoin(settings.API_BASE_URL, path)

requirements.txt

@@ -2,4 +2,5 @@ django==2.2
 python-decouple==3.1
 django-extensions
 dj_database_url==0.5.0
+requests==2.22.0
 

userpanel/settings.py

@@ -135,3 +135,7 @@ USE_TZ = True
 STATIC_URL = '/static/'
 
 STATIC_ROOT = config('STATIC_ROOT')
+
+# Backend API configuration
+
+API_BASE_URL = config('API_BASE_URL')