merge with upstream master

tasks.py

@@ -1,4 +1,5 @@
 from invoke import run, task
+import os
 
 
 @task
@@ -34,9 +35,10 @@ def test_js(ctx):
 def update_version(ctx):
     run('echo "import os\n\n\ndef version():\n    if os.getenv(\'VERSION\'):\n        return os.getenv(\'VERSION\')\n    return \'$(git describe --tags)\'" > helix/constants/version.py')
 
+
 @task
 def serve(ctx):
-    run('PYTHONPATH=. SP_DOCGEN_API_KEY=DC97-20AF-567E python helix/main.py')
+    run('SP_DOCGEN_API_KEY=DC97-20AF-567E gunicorn -c gunicorn_config.py --pythonpath helix main:app')
 
 
 @task
@@ -52,3 +54,23 @@ def db_migrate(ctx):
 @task
 def serve_debug(ctx):
     run('PYTHONPATH=. FLASK_DEBUG=1 SP_DOCGEN_API_KEY=DC97-20AF-567E python helix/main.py')
+
+
+@task
+def db_diagram(ctx):
+    db_uri = os.getenv('DATABASE_URL', 'postgres://pivotal:@localhost:5432/pivotal')
+    run('eralchemy -i "{}" -o documentation/db_schema.png -x temp audit'.format(db_uri))
+
+@task
+def classes_diagrams(ctx):
+    run('pyreverse -k -o calculators-diagram.png helix/calculators')
+    run('pyreverse -k -o constants-diagram.png helix/constants')
+    run('pyreverse -k -o forms-diagram.png helix/forms')
+    run('pyreverse -k -o models-diagram.png helix/models')
+    run('pyreverse -k -o validators-diagram.png helix/validators')
+    run('rm -rf packages*.png ; mv classes.*-diagram.png documentation/')
+
+
+@task
+def serve_ssl(ctx):
+    run('FLASK_DEBUG_SSL=true PORT=8443 PYTHONPATH=. FLASK_DEBUG=1 SP_DOCGEN_API_KEY=DC97-20AF-567E python helix/main.py')