diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/json.pyx')
-rw-r--r-- | .venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/json.pyx | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/json.pyx b/.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/json.pyx new file mode 100644 index 00000000..97e6916b --- /dev/null +++ b/.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/json.pyx @@ -0,0 +1,57 @@ +# Copyright (C) 2016-present the asyncpg authors and contributors +# <see AUTHORS file> +# +# This module is part of asyncpg and is released under +# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 + + +cdef jsonb_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + char *str + ssize_t size + + if settings.is_encoding_json(): + obj = settings.get_json_encoder().encode(obj) + + as_pg_string_and_size(settings, obj, &str, &size) + + if size > 0x7fffffff - 1: + raise ValueError('string too long') + + buf.write_int32(<int32_t>size + 1) + buf.write_byte(1) # JSONB format version + buf.write_cstr(str, size) + + +cdef jsonb_decode(CodecContext settings, FRBuffer *buf): + cdef uint8_t format = <uint8_t>(frb_read(buf, 1)[0]) + + if format != 1: + raise ValueError('unexpected JSONB format: {}'.format(format)) + + rv = text_decode(settings, buf) + + if settings.is_decoding_json(): + rv = settings.get_json_decoder().decode(rv) + + return rv + + +cdef json_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + char *str + ssize_t size + + if settings.is_encoding_json(): + obj = settings.get_json_encoder().encode(obj) + + text_encode(settings, buf, obj) + + +cdef json_decode(CodecContext settings, FRBuffer *buf): + rv = text_decode(settings, buf) + + if settings.is_decoding_json(): + rv = settings.get_json_decoder().decode(rv) + + return rv |