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10 changes: 9 additions & 1 deletion rest_framework/management/commands/generateschema.py
Original file line number Diff line number Diff line change
Expand Up @@ -18,13 +18,15 @@ def get_mode(self):
def add_arguments(self, parser):
parser.add_argument('--title', dest="title", default='', type=str)
parser.add_argument('--url', dest="url", default=None, type=str)
parser.add_argument('--api-version', dest="api_version", default=None, type=str)
parser.add_argument('--description', dest="description", default=None, type=str)
if self.get_mode() == COREAPI_MODE:
parser.add_argument('--format', dest="format", choices=['openapi', 'openapi-json', 'corejson'], default='openapi', type=str)
else:
parser.add_argument('--format', dest="format", choices=['openapi', 'openapi-json'], default='openapi', type=str)
parser.add_argument('--urlconf', dest="urlconf", default=None, type=str)
parser.add_argument('--generator_class', dest="generator_class", default=None, type=str)
parser.add_argument('--file', dest="file", default=None, type=str)

def handle(self, *args, **options):
if options['generator_class']:
Expand All @@ -36,11 +38,17 @@ def handle(self, *args, **options):
title=options['title'],
description=options['description'],
urlconf=options['urlconf'],
version=options['api_version'],
)
schema = generator.get_schema(request=None, public=True)
renderer = self.get_renderer(options['format'])
output = renderer.render(schema, renderer_context={})
self.stdout.write(output.decode())

if options['file']:
with open(options['file'], 'wb') as f:
f.write(output)
else:
self.stdout.write(output.decode())

def get_renderer(self, format):
if self.get_mode() == COREAPI_MODE:
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2 changes: 2 additions & 0 deletions rest_framework/renderers.py
Original file line number Diff line number Diff line change
Expand Up @@ -1053,6 +1053,8 @@ def __init__(self):
assert yaml, 'Using OpenAPIRenderer, but `pyyaml` is not installed.'

def render(self, data, media_type=None, renderer_context=None):
# prevent polluting the output with yaml references (aliases)
yaml.Dumper.ignore_aliases = lambda *args: True
return yaml.dump(data, default_flow_style=False, sort_keys=False).encode('utf-8')


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