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Diffstat (limited to '.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/bits.pyx')
-rw-r--r--.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/bits.pyx47
1 files changed, 47 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/bits.pyx b/.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/bits.pyx
new file mode 100644
index 00000000..14f7bb0b
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/asyncpg/pgproto/codecs/bits.pyx
@@ -0,0 +1,47 @@
+# 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 bits_encode(CodecContext settings, WriteBuffer wbuf, obj):
+ cdef:
+ Py_buffer pybuf
+ bint pybuf_used = False
+ char *buf
+ ssize_t len
+ ssize_t bitlen
+
+ if cpython.PyBytes_CheckExact(obj):
+ buf = cpython.PyBytes_AS_STRING(obj)
+ len = cpython.Py_SIZE(obj)
+ bitlen = len * 8
+ elif isinstance(obj, pgproto_types.BitString):
+ cpython.PyBytes_AsStringAndSize(obj.bytes, &buf, &len)
+ bitlen = obj.__len__()
+ else:
+ cpython.PyObject_GetBuffer(obj, &pybuf, cpython.PyBUF_SIMPLE)
+ pybuf_used = True
+ buf = <char*>pybuf.buf
+ len = pybuf.len
+ bitlen = len * 8
+
+ try:
+ if bitlen > _MAXINT32:
+ raise ValueError('bit value too long')
+ wbuf.write_int32(4 + <int32_t>len)
+ wbuf.write_int32(<int32_t>bitlen)
+ wbuf.write_cstr(buf, len)
+ finally:
+ if pybuf_used:
+ cpython.PyBuffer_Release(&pybuf)
+
+
+cdef bits_decode(CodecContext settings, FRBuffer *buf):
+ cdef:
+ int32_t bitlen = hton.unpack_int32(frb_read(buf, 4))
+ ssize_t buf_len = buf.len
+
+ bytes_ = cpython.PyBytes_FromStringAndSize(frb_read_all(buf), buf_len)
+ return pgproto_types.BitString.frombytes(bytes_, bitlen)