feat: add sqlite storage backend (#69)

Co-authored-by: Alaeddine Abdessalem <[email protected]>
Co-authored-by: David Buchaca Prats <[email protected]>

.pre-commit-config.yaml

@@ -1,23 +1,4 @@
 repos:
-- repo: https://github.com/terrencepreilly/darglint
-  rev: v1.5.8
-  hooks:
-  - id: darglint
-    files: docarray/
-    exclude: ^(docarray/proto/docarray_pb2.py|docs/|docarray/resources/)
-    args:
-    - --message-template={path}:{line} {msg_id} {msg}
-    - -s=sphinx
-    - -z=full
-    - -v=2
-- repo: https://github.com/pycqa/pydocstyle
-  rev: 5.1.1  # pick a git hash / tag to point to
-  hooks:
-  -   id: pydocstyle
-      files: docarray/
-      exclude: ^(docarray/proto/docarray_pb2.py|docs/|docarray/resources/)
-      args:
-      - --select=D101,D102,D103
 - repo: https://github.com/ambv/black
   rev: 20.8b1
   hooks:

docarray/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '0.4.5'
+__version__ = '0.5.0'
 
 from .document import Document
 from .array import DocumentArray

docarray/array/base.py

@@ -0,0 +1,9 @@
+from typing import MutableSequence
+
+from .. import Document
+
+
+class BaseDocumentArray(MutableSequence[Document]):
+    def __init__(self, *args, storage: str = 'memory', **kwargs):
+        super().__init__()
+        self._init_storage(*args, **kwargs)

docarray/array/chunk.py

@@ -7,12 +7,13 @@
 )
 
 from .document import DocumentArray
+from .memory import DocumentArrayInMemory
 
 if TYPE_CHECKING:
     from ..document import Document
 
 
-class ChunkArray(DocumentArray):
+class ChunkArray(DocumentArrayInMemory):
     """
     :class:`ChunkArray` inherits from :class:`DocumentArray`.
     It's a subset of Documents.