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Merge pull request #5147 from imdark/patch-1

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Improve memory footprint when reading large JSON requests.
This commit is contained in:
Tom Christie 2017-05-29 11:55:53 +01:00 committed by GitHub
commit 823eea2d59
1 changed files with 3 additions and 2 deletions
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5
rest_framework/parsers.py
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@ -6,6 +6,7 @@ on the request, such as form content or json encoded data.
""" """
from __future__ import unicode_literals from __future__ import unicode_literals
import codecs
import json import json
from django.conf import settings from django.conf import settings
@ -61,8 +62,8 @@ class JSONParser(BaseParser):
encoding = parser_context.get('encoding', settings.DEFAULT_CHARSET) encoding = parser_context.get('encoding', settings.DEFAULT_CHARSET)
try: try:
data = stream.read().decode(encoding) decoded_stream = codecs.getreader(encoding)(stream)
return json.loads(data) return json.load(decoded_stream)
except ValueError as exc: except ValueError as exc:
raise ParseError('JSON parse error - %s' % six.text_type(exc)) raise ParseError('JSON parse error - %s' % six.text_type(exc))