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Improve json-patch's parser

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This commit is contained in:
Yoann 2021-12-04 18:16:41 +01:00
parent eba29f15fd
commit f245905341
1 changed files with 2 additions and 10 deletions
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12
rest_framework/parsers.py
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@ -68,29 +68,21 @@ class JSONParser(BaseParser):
raise ParseError('JSON parse error - %s' % str(exc))
class JSONPatchParser(BaseParser):
class JSONPatchParser(JSONParser):
"""
Parses PATCH RFC 6902 JSON-serialized data.
"""
media_type = 'application/json-patch+json'
renderer_class = renderers.JSONRenderer
strict = api_settings.STRICT_JSON
def parse(self, stream, media_type=None, parser_context=None):
"""
Parses the incoming bytestream as JSON and returns the resulting data as json patch.
"""
parser_context = parser_context or {}
encoding = parser_context.get('encoding', settings.DEFAULT_CHARSET)
data = super().parse(stream, media_type, parser_context)
try:
decoded_stream = codecs.getreader(encoding)(stream)
parse_constant = json.strict_constant if self.strict else None
data = json.load(decoded_stream, parse_constant=parse_constant)
return jsonpatch.JsonPatch(data)
except ValueError as exc:
raise ParseError('JSON parse error - %s' % str(exc))
except jsonpatch.InvalidJsonPatch as exc:
raise ParseError('JSON Patch (rfc 6902) invalid - %s' % str(exc))