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author | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
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committer | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
commit | 4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch) | |
tree | ee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/pgvector/psycopg | |
parent | cc961e04ba734dd72309fb548a2f97d67d578813 (diff) | |
download | gn-ai-master.tar.gz |
Diffstat (limited to '.venv/lib/python3.12/site-packages/pgvector/psycopg')
6 files changed, 243 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pgvector/psycopg/__init__.py b/.venv/lib/python3.12/site-packages/pgvector/psycopg/__init__.py new file mode 100644 index 00000000..9007c374 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pgvector/psycopg/__init__.py @@ -0,0 +1,11 @@ +from .register import register_vector, register_vector_async +from ..utils import Bit, HalfVector, SparseVector, Vector + +__all__ = [ + 'register_vector', + 'register_vector_async', + 'Vector', + 'HalfVector', + 'Bit', + 'SparseVector' +] diff --git a/.venv/lib/python3.12/site-packages/pgvector/psycopg/bit.py b/.venv/lib/python3.12/site-packages/pgvector/psycopg/bit.py new file mode 100644 index 00000000..f8eeb610 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pgvector/psycopg/bit.py @@ -0,0 +1,31 @@ +from psycopg.adapt import Dumper +from psycopg.pq import Format +from ..utils import Bit + + +class BitDumper(Dumper): + + format = Format.TEXT + + def dump(self, obj): + return Bit._to_db(obj).encode('utf8') + + +class BitBinaryDumper(BitDumper): + + format = Format.BINARY + + def dump(self, obj): + return Bit._to_db_binary(obj) + + +def register_bit_info(context, info): + info.register(context) + + # add oid to anonymous class for set_types + text_dumper = type('', (BitDumper,), {'oid': info.oid}) + binary_dumper = type('', (BitBinaryDumper,), {'oid': info.oid}) + + adapters = context.adapters + adapters.register_dumper(Bit, text_dumper) + adapters.register_dumper(Bit, binary_dumper) diff --git a/.venv/lib/python3.12/site-packages/pgvector/psycopg/halfvec.py b/.venv/lib/python3.12/site-packages/pgvector/psycopg/halfvec.py new file mode 100644 index 00000000..351d2cb7 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pgvector/psycopg/halfvec.py @@ -0,0 +1,53 @@ +from psycopg.adapt import Loader, Dumper +from psycopg.pq import Format +from ..utils import HalfVector + + +class HalfVectorDumper(Dumper): + + format = Format.TEXT + + def dump(self, obj): + return HalfVector._to_db(obj).encode('utf8') + + +class HalfVectorBinaryDumper(HalfVectorDumper): + + format = Format.BINARY + + def dump(self, obj): + return HalfVector._to_db_binary(obj) + + +class HalfVectorLoader(Loader): + + format = Format.TEXT + + def load(self, data): + if isinstance(data, memoryview): + data = bytes(data) + return HalfVector._from_db(data.decode('utf8')) + + +class HalfVectorBinaryLoader(HalfVectorLoader): + + format = Format.BINARY + + def load(self, data): + if isinstance(data, memoryview): + data = bytes(data) + return HalfVector._from_db_binary(data) + + +def register_halfvec_info(context, info): + info.register(context) + + # add oid to anonymous class for set_types + text_dumper = type('', (HalfVectorDumper,), {'oid': info.oid}) + binary_dumper = type('', (HalfVectorBinaryDumper,), {'oid': info.oid}) + + adapters = context.adapters + adapters.register_dumper(HalfVector, text_dumper) + adapters.register_dumper(HalfVector, binary_dumper) + adapters.register_loader(info.oid, HalfVectorLoader) + adapters.register_loader(info.oid, HalfVectorBinaryLoader) diff --git a/.venv/lib/python3.12/site-packages/pgvector/psycopg/register.py b/.venv/lib/python3.12/site-packages/pgvector/psycopg/register.py new file mode 100644 index 00000000..b93fd3ee --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pgvector/psycopg/register.py @@ -0,0 +1,37 @@ +from psycopg.types import TypeInfo +from .bit import register_bit_info +from .halfvec import register_halfvec_info +from .sparsevec import register_sparsevec_info +from .vector import register_vector_info + + +def register_vector(context): + info = TypeInfo.fetch(context, 'vector') + register_vector_info(context, info) + + info = TypeInfo.fetch(context, 'bit') + register_bit_info(context, info) + + info = TypeInfo.fetch(context, 'halfvec') + if info is not None: + register_halfvec_info(context, info) + + info = TypeInfo.fetch(context, 'sparsevec') + if info is not None: + register_sparsevec_info(context, info) + + +async def register_vector_async(context): + info = await TypeInfo.fetch(context, 'vector') + register_vector_info(context, info) + + info = await TypeInfo.fetch(context, 'bit') + register_bit_info(context, info) + + info = await TypeInfo.fetch(context, 'halfvec') + if info is not None: + register_halfvec_info(context, info) + + info = await TypeInfo.fetch(context, 'sparsevec') + if info is not None: + register_sparsevec_info(context, info) diff --git a/.venv/lib/python3.12/site-packages/pgvector/psycopg/sparsevec.py b/.venv/lib/python3.12/site-packages/pgvector/psycopg/sparsevec.py new file mode 100644 index 00000000..435fd067 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pgvector/psycopg/sparsevec.py @@ -0,0 +1,53 @@ +from psycopg.adapt import Loader, Dumper +from psycopg.pq import Format +from ..utils import SparseVector + + +class SparseVectorDumper(Dumper): + + format = Format.TEXT + + def dump(self, obj): + return SparseVector._to_db(obj).encode('utf8') + + +class SparseVectorBinaryDumper(SparseVectorDumper): + + format = Format.BINARY + + def dump(self, obj): + return SparseVector._to_db_binary(obj) + + +class SparseVectorLoader(Loader): + + format = Format.TEXT + + def load(self, data): + if isinstance(data, memoryview): + data = bytes(data) + return SparseVector._from_db(data.decode('utf8')) + + +class SparseVectorBinaryLoader(SparseVectorLoader): + + format = Format.BINARY + + def load(self, data): + if isinstance(data, memoryview): + data = bytes(data) + return SparseVector._from_db_binary(data) + + +def register_sparsevec_info(context, info): + info.register(context) + + # add oid to anonymous class for set_types + text_dumper = type('', (SparseVectorDumper,), {'oid': info.oid}) + binary_dumper = type('', (SparseVectorBinaryDumper,), {'oid': info.oid}) + + adapters = context.adapters + adapters.register_dumper(SparseVector, text_dumper) + adapters.register_dumper(SparseVector, binary_dumper) + adapters.register_loader(info.oid, SparseVectorLoader) + adapters.register_loader(info.oid, SparseVectorBinaryLoader) 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) |