diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/text.pyx')
-rw-r--r-- | .venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/text.pyx | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/text.pyx b/.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/text.pyx new file mode 100644 index 00000000..79f375d6 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/text.pyx @@ -0,0 +1,48 @@ +# 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 inline as_pg_string_and_size( + CodecContext settings, obj, char **cstr, ssize_t *size): + + if not cpython.PyUnicode_Check(obj): + raise TypeError('expected str, got {}'.format(type(obj).__name__)) + + if settings.is_encoding_utf8(): + cstr[0] = <char*>cpythonx.PyUnicode_AsUTF8AndSize(obj, size) + else: + encoded = settings.get_text_codec().encode(obj)[0] + cpython.PyBytes_AsStringAndSize(encoded, cstr, size) + + if size[0] > 0x7fffffff: + raise ValueError('string too long') + + +cdef text_encode(CodecContext settings, WriteBuffer buf, obj): + cdef: + char *str + ssize_t size + + as_pg_string_and_size(settings, obj, &str, &size) + + buf.write_int32(<int32_t>size) + buf.write_cstr(str, size) + + +cdef inline decode_pg_string(CodecContext settings, const char* data, + ssize_t len): + + if settings.is_encoding_utf8(): + # decode UTF-8 in strict mode + return cpython.PyUnicode_DecodeUTF8(data, len, NULL) + else: + bytes = cpython.PyBytes_FromStringAndSize(data, len) + return settings.get_text_codec().decode(bytes)[0] + + +cdef text_decode(CodecContext settings, FRBuffer *buf): + cdef ssize_t buf_len = buf.len + return decode_pg_string(settings, frb_read_all(buf), buf_len) |