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-rw-r--r--.venv/lib/python3.12/site-packages/pgvector/psycopg/vector.py58
1 files changed, 58 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pgvector/psycopg/vector.py b/.venv/lib/python3.12/site-packages/pgvector/psycopg/vector.py
new file mode 100644
index 00000000..0f62ca98
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/psycopg/vector.py
@@ -0,0 +1,58 @@
+import psycopg
+from psycopg.adapt import Loader, Dumper
+from psycopg.pq import Format
+from ..utils import Vector
+
+
+class VectorDumper(Dumper):
+
+ format = Format.TEXT
+
+ def dump(self, obj):
+ return Vector._to_db(obj).encode('utf8')
+
+
+class VectorBinaryDumper(VectorDumper):
+
+ format = Format.BINARY
+
+ def dump(self, obj):
+ return Vector._to_db_binary(obj)
+
+
+class VectorLoader(Loader):
+
+ format = Format.TEXT
+
+ def load(self, data):
+ if isinstance(data, memoryview):
+ data = bytes(data)
+ return Vector._from_db(data.decode('utf8'))
+
+
+class VectorBinaryLoader(VectorLoader):
+
+ format = Format.BINARY
+
+ def load(self, data):
+ if isinstance(data, memoryview):
+ data = bytes(data)
+ return Vector._from_db_binary(data)
+
+
+def register_vector_info(context, info):
+ if info is None:
+ raise psycopg.ProgrammingError('vector type not found in the database')
+ info.register(context)
+
+ # add oid to anonymous class for set_types
+ text_dumper = type('', (VectorDumper,), {'oid': info.oid})
+ binary_dumper = type('', (VectorBinaryDumper,), {'oid': info.oid})
+
+ adapters = context.adapters
+ adapters.register_dumper('numpy.ndarray', text_dumper)
+ adapters.register_dumper('numpy.ndarray', binary_dumper)
+ adapters.register_dumper(Vector, text_dumper)
+ adapters.register_dumper(Vector, binary_dumper)
+ adapters.register_loader(info.oid, VectorLoader)
+ adapters.register_loader(info.oid, VectorBinaryLoader)