def _body(self):
try:
read_func = self.environ['wsgi.input'].read
except KeyError:
self.environ['wsgi.input'] = BytesIO()
return self.environ['wsgi.input']
body_iter = self._iter_chunked if self.chunked else self._iter_body
body, body_size, is_temp_file = BytesIO(), 0, False
for part in body_iter(read_func, self.MEMFILE_MAX):
body.write(part)
body_size += len(part)
if not is_temp_file and body_size > self.MEMFILE_MAX:
body, tmp = TemporaryFile(mode='w+b'), body
body.write(tmp.getvalue())
del tmp
is_temp_file = True
self.environ['wsgi.input'] = body
body.seek(0)
return body
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