Changed name sqlify to datalite

This commit is contained in:
Ege Emir Özkan
2020-08-03 03:11:22 +03:00
parent 61a94944d1
commit bb02b110c2
2 changed files with 21 additions and 6 deletions

0
setup.py Normal file
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@@ -1,10 +1,11 @@
from os.path import exists
from pathlib import Path
import sqlite3 as sql
from dataclasses import Field, asdict, dataclass
from typing import List, Dict, Optional, Callable, Any
def _convert_type(type_: Optional[type], type_overload: Dict[Optional[type], str]) -> str:
"""
Given a Python type, return the str name of its
@@ -12,6 +13,8 @@ def _convert_type(type_: Optional[type], type_overload: Dict[Optional[type], str
:param type_: A Python type, or None.
:param type_overload: A type table to overload the custom type table.
:return: The str name of the sql type.
>>> _convert_type(int)
"INTEGER"
"""
try:
return type_overload[type_]
@@ -77,7 +80,6 @@ def _create_entry(self) -> None:
Given an object, create the entry for the object. As a side-effect,
this will set the object_id attribute of the object to the unique
id of the entry.
:param cur: Cursor of the database.
:param self: Instance of the object.
:return: None.
"""
@@ -93,8 +95,20 @@ def _create_entry(self) -> None:
con.commit()
def sqlify(db_path: str, type_overload: Optional[Dict[Optional[type], str]] = None,
*args, **kwargs) -> Callable:
def _remove_entry(self) -> None:
"""
Remove the object's record in the underlying database.
:param self: self instance.
:return: None.
"""
with sql.connect(getattr(self, "db_path")) as con:
cur: sql.Cursor = con.cursor()
cur.execute(f"DELETE FROM {self.__class__.__name__.lower()} WHERE obj_id = {self.obj_id}")
con.commit()
def datalite(db_path: str, type_overload: Optional[Dict[Optional[type], str]] = None,
*args, **kwargs) -> Callable:
def decorator(dataclass_: type, *args_i, **kwargs_i):
type_table: Dict[Optional[type], str] = {None: "NULL", int: "INTEGER", float: "REAL",
str: "TEXT", bytes: "BLOB"}
@@ -109,6 +123,7 @@ def sqlify(db_path: str, type_overload: Optional[Dict[Optional[type], str]] = No
return decorator
def is_fetchable(class_: type, obj_id: int) -> bool:
"""
Check if a record is fetchable given its obj_id and