Add SQLite IO class

This is a very basic class without many helper functions added yet
Add to the CoreLibs so when we develop it further it can be used by all projects

test-run/config_handling/settings_loader.py

@@ -12,6 +12,7 @@ from corelibs.config_handling.settings_loader_handling.settings_loader_check imp
 SCRIPT_PATH: Path = Path(__file__).resolve().parent
 ROOT_PATH: Path = SCRIPT_PATH
 CONFIG_DIR: Path = Path("config")
+LOG_DIR: Path = Path("log")
 CONFIG_FILE: str = "settings.ini"
 
 
@@ -26,9 +27,8 @@ def main():
     print(f"regex {regex_c} check against {value} -> {result}")
 
     # for log testing
-    script_path: Path = Path(__file__).resolve().parent
     log = Log(
-        log_path=script_path.joinpath('log', 'settings_loader.log'),
+        log_path=ROOT_PATH.joinpath(LOG_DIR, 'settings_loader.log'),
         log_name="Settings Loader",
         log_settings={
             "log_level_console": 'DEBUG',

test-run/db_handling/database/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

test-run/db_handling/log/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

test-run/db_handling/sqlite_io.py

@@ -0,0 +1,148 @@
+#!/usr/bin/env python3
+
+"""
+Main comment
+"""
+
+from pathlib import Path
+from uuid import uuid4
+import json
+import sqlite3
+from corelibs.debug_handling.dump_data import dump_data
+from corelibs.logging_handling.log import Log, Logger
+from corelibs.db_handling.sqlite_io import SQLiteIO
+
+SCRIPT_PATH: Path = Path(__file__).resolve().parent
+ROOT_PATH: Path = SCRIPT_PATH
+DATABASE_DIR: Path = Path("database")
+LOG_DIR: Path = Path("log")
+
+
+def main() -> None:
+    """
+    Comment
+    """
+    log = Log(
+        log_path=ROOT_PATH.joinpath(LOG_DIR, 'sqlite_io.log'),
+        log_name="SQLite IO",
+        log_settings={
+            "log_level_console": 'DEBUG',
+            "log_level_file": 'DEBUG',
+        }
+    )
+    db = SQLiteIO(
+        log=Logger(log.get_logger_settings()),
+        db_name=ROOT_PATH.joinpath(DATABASE_DIR, 'test_sqlite_io.db'),
+        row_factory='Dict'
+    )
+    if db.db_connected():
+        log.info(f"Connected to DB: {db.db_name}")
+    if db.trigger_exists('trg_test_a_set_date_updated_on_update'):
+        log.info("Trigger trg_test_a_set_date_updated_on_update exists")
+    if db.table_exists('test_a'):
+        log.info("Table test_a exists, dropping for clean test")
+        db.execute_query("DROP TABLE test_a;")
+    # create a dummy table
+    table_sql = """
+    CREATE TABLE IF NOT EXISTS test_a (
+        test_a_id INTEGER PRIMARY KEY,
+        date_created TEXT DEFAULT (strftime('%Y-%m-%d %H:%M:%f', 'now')),
+        date_updated TEXT,
+        uid TEXT NOT NULL UNIQUE,
+        set_current_timestamp TEXT DEFAULT CURRENT_TIMESTAMP,
+        text_a TEXT,
+        content,
+        int_a INTEGER,
+        float_a REAL
+    );
+    """
+    result = db.execute_query(table_sql)
+    log.debug(f"Create table result: {result}")
+    trigger_sql = """
+    CREATE TRIGGER trg_test_a_set_date_updated_on_update
+        AFTER UPDATE ON test_a
+        FOR EACH ROW
+        WHEN OLD.date_updated IS NULL OR NEW.date_updated = OLD.date_updated
+    BEGIN
+        UPDATE test_a
+        SET date_updated = (strftime('%Y-%m-%d %H:%M:%f', 'now'))
+        WHERE test_a_id = NEW.test_a_id;
+    END;
+    """
+    result = db.execute_query(trigger_sql)
+    log.debug(f"Create trigger result: {result}")
+    result = db.meta_data_detail('test_a')
+    log.debug(f"Table meta data detail: {dump_data(result)}")
+    # INSERT DATA
+    sql = """
+    INSERT INTO test_a (uid, text_a, content, int_a, float_a)
+    VALUES (?, ?, ?, ?, ?)
+    RETURNING test_a_id, uid;
+    """
+    result = db.execute_query(
+        sql,
+        (
+            str(uuid4()),
+            'Some text A',
+            json.dumps({'foo': 'bar', 'number': 42}),
+            123,
+            123.456,
+        )
+    )
+    log.debug(f"[1] Insert data result: {dump_data(result)}")
+    __uid: str = ''
+    if result is not False:
+        # first one only of interest
+        result = dict(result[0])
+        __uid = str(result.get('uid', ''))
+    # second insert
+    result = db.execute_query(
+        sql,
+        (
+            str(uuid4()),
+            'Some text A',
+            json.dumps({'foo': 'bar', 'number': 42}),
+            123,
+            123.456,
+        )
+    )
+    log.debug(f"[2] Insert data result: {dump_data(result)}")
+    result = db.execute_query("SELECT * FROM test_a;")
+    log.debug(f"Select data result: {dump_data(result)}")
+    result = db.return_one("SELECT * FROM test_a WHERE uid = ?;", (__uid,))
+    log.debug(f"Fetch row result: {dump_data(result)}")
+    sql = """
+    UPDATE test_a
+    SET text_a = ?
+    WHERE uid = ?;
+    """
+    result = db.execute_query(
+        sql,
+        (
+            'Some updated text A',
+            __uid,
+        )
+    )
+    log.debug(f"Update data result: {dump_data(result)}")
+    result = db.return_one("SELECT * FROM test_a WHERE uid = ?;", (__uid,))
+    log.debug(f"Fetch row after update result: {dump_data(result)}")
+
+    db.db_close()
+
+    db = SQLiteIO(
+        log=Logger(log.get_logger_settings()),
+        db_name=ROOT_PATH.joinpath(DATABASE_DIR, 'test_sqlite_io.db'),
+        row_factory='Row'
+    )
+    result = db.return_one("SELECT * FROM test_a WHERE uid = ?;", (__uid,))
+    if result is not None and result is not False:
+        log.debug(f"Fetch row result: {dump_data(result)} -> {dict(result)} -> {result.keys()}")
+        log.debug(f"Access via index: {result[5]} -> {result['text_a']}")
+        if isinstance(result, sqlite3.Row):
+            log.debug('Result is sqlite3.Row as expected')
+
+
+if __name__ == "__main__":
+    main()
+
+# __END__