Don't require 'GITHUB_API_TOKEN' and 'ZENHUB_API_TOKEN' to be set

CHANGELOG.md

@@ -5,6 +5,9 @@ The format is based on [Keep a Changelog][keepachangelog] and this project
 adheres to [Semantic Versioning][semver].
 
 ## [Unreleased][unreleased]
+### Changed
+- Don't require `GITHUB_API_TOKEN` and `ZENHUB_API_TOKEN` to be set and log a
+  warning message if they're not.
 
 ## [v0.1.1][v0.1.1] - 2017-10-28
 ### Fixed

src/zenboard/settings.py

@@ -126,8 +126,8 @@
 
 
 # API tokens
-GITHUB_TOKEN = config('GITHUB_API_TOKEN')
-ZENHUB_API_TOKEN = config('ZENHUB_API_TOKEN')
+GITHUB_TOKEN = config('GITHUB_API_TOKEN', default='')
+ZENHUB_API_TOKEN = config('ZENHUB_API_TOKEN', default='')
 
 
 # Misc

src/zenboard/utils.py

@@ -1,12 +1,17 @@
 """
 zenboard utils
 """
+import logging
+
 from django.conf import settings
 from github3 import GitHub
 
 from zenhub_api import ZenHubAPI
 
 
+logger = logging.getLogger(__name__)
+
+
 class ValidateModelMixin:
     """
     DRF mixin that calls Django model validation
@@ -18,10 +23,17 @@ def validate(self, attrs):
         return attrs
 
 
+if not settings.GITHUB_TOKEN:
+    logging.warning("GitHub API token not found")
+
 github_api = GitHub(
     token=settings.GITHUB_TOKEN,
 )
 
+
+if not settings.GITHUB_TOKEN:
+    logging.warning("ZenHub API token not found")
+
 zenhub_api = ZenHubAPI(
     token=settings.ZENHUB_API_TOKEN,
 )