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"""Provides YAML rendering support."""
from typing import Any, Mapping, Optional
import yaml
from rest_framework.renderers import BaseRenderer
from .encoders import SafeDumper
class YAMLRenderer(BaseRenderer):
"""Renderer which serializes to YAML."""
media_type = "application/yaml"
format = "yaml"
encoder = SafeDumper
charset = "utf-8"
ensure_ascii = False
default_flow_style = False
sort_keys = False
def render(
self,
data: Any,
_accepted_media_type: Optional[str] = None,
_renderer_context: Optional[Mapping[str, Any]] = None,
) -> bytes:
"""Render `data` into serialized YAML."""
if data is None:
return b""
return yaml.dump( # type: ignore [no-any-return]
data,
sort_keys=self.sort_keys,
stream=None,
encoding=self.charset,
Dumper=self.encoder,
allow_unicode=not self.ensure_ascii,
default_flow_style=self.default_flow_style,
)
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