Add generate_schema management command.

rest_framework/management/commands/generate_schema.py

@@ -0,0 +1,36 @@
+from django.core.management.base import BaseCommand
+
+from rest_framework.renderers import CoreJSONRenderer
+from rest_framework.schemas import SchemaGenerator
+
+
+class Command(BaseCommand):
+    help = "Generates configured API schema for project."
+
+    def add_arguments(self, parser):
+        # TODO
+        # SchemaGenerator allows passing:
+        #
+        # - title
+        # - url
+        # - description
+        # - urlconf
+        # - patterns
+        #
+        # Don't particularly want to pass these on the command-line.
+        # conf file?
+        #
+        # Other options to consider:
+        # - indent
+        # - ...
+        pass
+
+    def handle(self, *args, **options):
+
+        renderer = CoreJSONRenderer()
+        generator = SchemaGenerator()
+        schema = generator.get_schema(request=None, public=True)
+
+        rendered_schema = renderer.render(schema, renderer_context={}).decode('utf8')
+
+        self.stdout.write(rendered_schema)