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authorS. Solomon Darnell2025-03-28 21:52:21 -0500
committerS. Solomon Darnell2025-03-28 21:52:21 -0500
commit4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch)
treeee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/pgvector/django
parentcc961e04ba734dd72309fb548a2f97d67d578813 (diff)
downloadgn-ai-master.tar.gz
two version of R2R are hereHEADmaster
Diffstat (limited to '.venv/lib/python3.12/site-packages/pgvector/django')
-rw-r--r--.venv/lib/python3.12/site-packages/pgvector/django/__init__.py26
-rw-r--r--.venv/lib/python3.12/site-packages/pgvector/django/bit.py32
-rw-r--r--.venv/lib/python3.12/site-packages/pgvector/django/extensions.py6
-rw-r--r--.venv/lib/python3.12/site-packages/pgvector/django/functions.py55
-rw-r--r--.venv/lib/python3.12/site-packages/pgvector/django/halfvec.py60
-rw-r--r--.venv/lib/python3.12/site-packages/pgvector/django/indexes.py46
-rw-r--r--.venv/lib/python3.12/site-packages/pgvector/django/sparsevec.py55
-rw-r--r--.venv/lib/python3.12/site-packages/pgvector/django/vector.py73
8 files changed, 353 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pgvector/django/__init__.py b/.venv/lib/python3.12/site-packages/pgvector/django/__init__.py
new file mode 100644
index 00000000..09978a92
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/django/__init__.py
@@ -0,0 +1,26 @@
+from .bit import BitField
+from .extensions import VectorExtension
+from .functions import L2Distance, MaxInnerProduct, CosineDistance, L1Distance, HammingDistance, JaccardDistance
+from .halfvec import HalfVectorField
+from .indexes import IvfflatIndex, HnswIndex
+from .sparsevec import SparseVectorField
+from .vector import VectorField
+from ..utils import HalfVector, SparseVector
+
+__all__ = [
+ 'VectorExtension',
+ 'VectorField',
+ 'HalfVectorField',
+ 'BitField',
+ 'SparseVectorField',
+ 'IvfflatIndex',
+ 'HnswIndex',
+ 'L2Distance',
+ 'MaxInnerProduct',
+ 'CosineDistance',
+ 'L1Distance',
+ 'HammingDistance',
+ 'JaccardDistance',
+ 'HalfVector',
+ 'SparseVector'
+]
diff --git a/.venv/lib/python3.12/site-packages/pgvector/django/bit.py b/.venv/lib/python3.12/site-packages/pgvector/django/bit.py
new file mode 100644
index 00000000..2cc847ad
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/django/bit.py
@@ -0,0 +1,32 @@
+from django import forms
+from django.db.models import Field
+
+
+# https://docs.djangoproject.com/en/5.0/howto/custom-model-fields/
+class BitField(Field):
+ description = 'Bit string'
+
+ def __init__(self, *args, length=None, **kwargs):
+ self.length = length
+ super().__init__(*args, **kwargs)
+
+ def deconstruct(self):
+ name, path, args, kwargs = super().deconstruct()
+ if self.length is not None:
+ kwargs['length'] = self.length
+ return name, path, args, kwargs
+
+ def db_type(self, connection):
+ if self.length is None:
+ return 'bit'
+ return 'bit(%d)' % self.length
+
+ def formfield(self, **kwargs):
+ return super().formfield(form_class=BitFormField, **kwargs)
+
+
+class BitFormField(forms.CharField):
+ def to_python(self, value):
+ if isinstance(value, str) and value == '':
+ return None
+ return super().to_python(value)
diff --git a/.venv/lib/python3.12/site-packages/pgvector/django/extensions.py b/.venv/lib/python3.12/site-packages/pgvector/django/extensions.py
new file mode 100644
index 00000000..0573f72b
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/django/extensions.py
@@ -0,0 +1,6 @@
+from django.contrib.postgres.operations import CreateExtension
+
+
+class VectorExtension(CreateExtension):
+ def __init__(self):
+ self.name = 'vector'
diff --git a/.venv/lib/python3.12/site-packages/pgvector/django/functions.py b/.venv/lib/python3.12/site-packages/pgvector/django/functions.py
new file mode 100644
index 00000000..da9fbf83
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/django/functions.py
@@ -0,0 +1,55 @@
+from django.db.models import FloatField, Func, Value
+from ..utils import Vector, HalfVector, SparseVector
+
+
+class DistanceBase(Func):
+ output_field = FloatField()
+
+ def __init__(self, expression, vector, **extra):
+ if not hasattr(vector, 'resolve_expression'):
+ if isinstance(vector, HalfVector):
+ vector = Value(HalfVector._to_db(vector))
+ elif isinstance(vector, SparseVector):
+ vector = Value(SparseVector._to_db(vector))
+ else:
+ vector = Value(Vector._to_db(vector))
+ super().__init__(expression, vector, **extra)
+
+
+class BitDistanceBase(Func):
+ output_field = FloatField()
+
+ def __init__(self, expression, vector, **extra):
+ if not hasattr(vector, 'resolve_expression'):
+ vector = Value(vector)
+ super().__init__(expression, vector, **extra)
+
+
+class L2Distance(DistanceBase):
+ function = ''
+ arg_joiner = ' <-> '
+
+
+class MaxInnerProduct(DistanceBase):
+ function = ''
+ arg_joiner = ' <#> '
+
+
+class CosineDistance(DistanceBase):
+ function = ''
+ arg_joiner = ' <=> '
+
+
+class L1Distance(DistanceBase):
+ function = ''
+ arg_joiner = ' <+> '
+
+
+class HammingDistance(BitDistanceBase):
+ function = ''
+ arg_joiner = ' <~> '
+
+
+class JaccardDistance(BitDistanceBase):
+ function = ''
+ arg_joiner = ' <%%> '
diff --git a/.venv/lib/python3.12/site-packages/pgvector/django/halfvec.py b/.venv/lib/python3.12/site-packages/pgvector/django/halfvec.py
new file mode 100644
index 00000000..6b59a7fa
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/django/halfvec.py
@@ -0,0 +1,60 @@
+from django import forms
+from django.db.models import Field
+from ..utils import HalfVector
+
+
+# https://docs.djangoproject.com/en/5.0/howto/custom-model-fields/
+class HalfVectorField(Field):
+ description = 'Half vector'
+ empty_strings_allowed = False
+
+ def __init__(self, *args, dimensions=None, **kwargs):
+ self.dimensions = dimensions
+ super().__init__(*args, **kwargs)
+
+ def deconstruct(self):
+ name, path, args, kwargs = super().deconstruct()
+ if self.dimensions is not None:
+ kwargs['dimensions'] = self.dimensions
+ return name, path, args, kwargs
+
+ def db_type(self, connection):
+ if self.dimensions is None:
+ return 'halfvec'
+ return 'halfvec(%d)' % self.dimensions
+
+ def from_db_value(self, value, expression, connection):
+ return HalfVector._from_db(value)
+
+ def to_python(self, value):
+ if value is None or isinstance(value, HalfVector):
+ return value
+ elif isinstance(value, str):
+ return HalfVector._from_db(value)
+ else:
+ return HalfVector(value)
+
+ def get_prep_value(self, value):
+ return HalfVector._to_db(value)
+
+ def value_to_string(self, obj):
+ return self.get_prep_value(self.value_from_object(obj))
+
+ def formfield(self, **kwargs):
+ return super().formfield(form_class=HalfVectorFormField, **kwargs)
+
+
+class HalfVectorWidget(forms.TextInput):
+ def format_value(self, value):
+ if isinstance(value, HalfVector):
+ value = value.to_list()
+ return super().format_value(value)
+
+
+class HalfVectorFormField(forms.CharField):
+ widget = HalfVectorWidget
+
+ def to_python(self, value):
+ if isinstance(value, str) and value == '':
+ return None
+ return super().to_python(value)
diff --git a/.venv/lib/python3.12/site-packages/pgvector/django/indexes.py b/.venv/lib/python3.12/site-packages/pgvector/django/indexes.py
new file mode 100644
index 00000000..5bec0eba
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/django/indexes.py
@@ -0,0 +1,46 @@
+from django.contrib.postgres.indexes import PostgresIndex
+
+
+class IvfflatIndex(PostgresIndex):
+ suffix = 'ivfflat'
+
+ def __init__(self, *expressions, lists=None, **kwargs):
+ self.lists = lists
+ super().__init__(*expressions, **kwargs)
+
+ def deconstruct(self):
+ path, args, kwargs = super().deconstruct()
+ if self.lists is not None:
+ kwargs['lists'] = self.lists
+ return path, args, kwargs
+
+ def get_with_params(self):
+ with_params = []
+ if self.lists is not None:
+ with_params.append('lists = %d' % self.lists)
+ return with_params
+
+
+class HnswIndex(PostgresIndex):
+ suffix = 'hnsw'
+
+ def __init__(self, *expressions, m=None, ef_construction=None, **kwargs):
+ self.m = m
+ self.ef_construction = ef_construction
+ super().__init__(*expressions, **kwargs)
+
+ def deconstruct(self):
+ path, args, kwargs = super().deconstruct()
+ if self.m is not None:
+ kwargs['m'] = self.m
+ if self.ef_construction is not None:
+ kwargs['ef_construction'] = self.ef_construction
+ return path, args, kwargs
+
+ def get_with_params(self):
+ with_params = []
+ if self.m is not None:
+ with_params.append('m = %d' % self.m)
+ if self.ef_construction is not None:
+ with_params.append('ef_construction = %d' % self.ef_construction)
+ return with_params
diff --git a/.venv/lib/python3.12/site-packages/pgvector/django/sparsevec.py b/.venv/lib/python3.12/site-packages/pgvector/django/sparsevec.py
new file mode 100644
index 00000000..d0d2d073
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/django/sparsevec.py
@@ -0,0 +1,55 @@
+from django import forms
+from django.db.models import Field
+from ..utils import SparseVector
+
+
+# https://docs.djangoproject.com/en/5.0/howto/custom-model-fields/
+class SparseVectorField(Field):
+ description = 'Sparse vector'
+ empty_strings_allowed = False
+
+ def __init__(self, *args, dimensions=None, **kwargs):
+ self.dimensions = dimensions
+ super().__init__(*args, **kwargs)
+
+ def deconstruct(self):
+ name, path, args, kwargs = super().deconstruct()
+ if self.dimensions is not None:
+ kwargs['dimensions'] = self.dimensions
+ return name, path, args, kwargs
+
+ def db_type(self, connection):
+ if self.dimensions is None:
+ return 'sparsevec'
+ return 'sparsevec(%d)' % self.dimensions
+
+ def from_db_value(self, value, expression, connection):
+ return SparseVector._from_db(value)
+
+ def to_python(self, value):
+ return SparseVector._from_db(value)
+
+ def get_prep_value(self, value):
+ return SparseVector._to_db(value)
+
+ def value_to_string(self, obj):
+ return self.get_prep_value(self.value_from_object(obj))
+
+ def formfield(self, **kwargs):
+ return super().formfield(form_class=SparseVectorFormField, **kwargs)
+
+
+class SparseVectorWidget(forms.TextInput):
+ def format_value(self, value):
+ if isinstance(value, SparseVector):
+ value = value.to_text()
+ return super().format_value(value)
+
+
+class SparseVectorFormField(forms.CharField):
+ widget = SparseVectorWidget
+
+ def to_python(self, value):
+ if isinstance(value, str) and value == '':
+ return None
+ return super().to_python(value)
diff --git a/.venv/lib/python3.12/site-packages/pgvector/django/vector.py b/.venv/lib/python3.12/site-packages/pgvector/django/vector.py
new file mode 100644
index 00000000..a89d5408
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/pgvector/django/vector.py
@@ -0,0 +1,73 @@
+from django import forms
+from django.db.models import Field
+import numpy as np
+from ..utils import Vector
+
+
+# https://docs.djangoproject.com/en/5.0/howto/custom-model-fields/
+class VectorField(Field):
+ description = 'Vector'
+ empty_strings_allowed = False
+
+ def __init__(self, *args, dimensions=None, **kwargs):
+ self.dimensions = dimensions
+ super().__init__(*args, **kwargs)
+
+ def deconstruct(self):
+ name, path, args, kwargs = super().deconstruct()
+ if self.dimensions is not None:
+ kwargs['dimensions'] = self.dimensions
+ return name, path, args, kwargs
+
+ def db_type(self, connection):
+ if self.dimensions is None:
+ return 'vector'
+ return 'vector(%d)' % self.dimensions
+
+ def from_db_value(self, value, expression, connection):
+ return Vector._from_db(value)
+
+ def to_python(self, value):
+ if isinstance(value, list):
+ return np.array(value, dtype=np.float32)
+ return Vector._from_db(value)
+
+ def get_prep_value(self, value):
+ return Vector._to_db(value)
+
+ def value_to_string(self, obj):
+ return self.get_prep_value(self.value_from_object(obj))
+
+ def validate(self, value, model_instance):
+ if isinstance(value, np.ndarray):
+ value = value.tolist()
+ super().validate(value, model_instance)
+
+ def run_validators(self, value):
+ if isinstance(value, np.ndarray):
+ value = value.tolist()
+ super().run_validators(value)
+
+ def formfield(self, **kwargs):
+ return super().formfield(form_class=VectorFormField, **kwargs)
+
+
+class VectorWidget(forms.TextInput):
+ def format_value(self, value):
+ if isinstance(value, np.ndarray):
+ value = value.tolist()
+ return super().format_value(value)
+
+
+class VectorFormField(forms.CharField):
+ widget = VectorWidget
+
+ def has_changed(self, initial, data):
+ if isinstance(initial, np.ndarray):
+ initial = initial.tolist()
+ return super().has_changed(initial, data)
+
+ def to_python(self, value):
+ if isinstance(value, str) and value == '':
+ return None
+ return super().to_python(value)