Metadata-Version: 2.4
Name: easy-sqlite-lib
Version: 0.1.0
Summary: A user-friendly Python wrapper for SQLite.
Home-page: https://github.com/SinghArindam/EasySQLite
Author: Arindam Singh
Author-email: Arindam Singh <aa7is789@gmail.com>
License: Apache License
                                   Version 2.0, January 2004
                                http://www.apache.org/licenses/
        
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Keywords: sqlite,sqlite3,database,wrapper,easy,simple,python
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# EasySQLite

**Version: 0.1.0**

A lightweight, intuitive Python library that acts as a wrapper around Python's built-in `sqlite3` module. Its primary purpose is to significantly simplify common database operations for users who are not familiar with SQL syntax or find the standard `sqlite3` API verbose for simple tasks.

## Problem Solved

Working directly with `sqlite3` requires SQL knowledge and careful handling of connections, cursors, transactions, and data types. EasySQLite provides a Pythonic interface, reducing boilerplate and abstracting common SQL commands.

## Features (v0.1)

* Connect to/create SQLite database files easily.
* Context manager (`with` statement) for automatic connection handling (commit/rollback, close).
* Conforms with the Python ideology, as this is more **python like** than using sql queries.
* List and delete database files (with confirmation).
* Table CRUD: Create, List, Describe, Rename, Delete (with confirmation/force flag).
* Column CRUD (via `ALTER TABLE`): Add, Rename\*, Delete\* (\*requires modern SQLite versions).
* Row CRUD: Add single/multiple rows (using dictionaries), Get rows with filtering/ordering/limiting, Update rows, Delete rows (with safety checks), Count rows.
* Simplified `JOIN` operations (INNER, LEFT, CROSS).
* Execute arbitrary SQL queries safely using parameterization.
* Basic logging for operations and errors.
* Type hinting for better developer experience.

## Installation

```bash
pip install easysqlite-lib 
````

## Quickstart

```python
from easysqlite import EasySQLite, EasySQLiteError

DB_FILE = 'my_app_data.db'

try:
    # Use the context manager for safe connection handling
    with EasySQLite(DB_FILE) as db:
        # Create a table if it doesn't exist
        db.create_table(
            'users',
            {'id': 'INTEGER PRIMARY KEY', 'name': 'TEXT', 'email': 'TEXT UNIQUE'}
        )

        # Add some data
        user_id = db.add_row('users', {'name': 'Alice', 'email': 'alice@example.com'})
        db.add_rows('users', [
            {'name': 'Bob', 'email': 'bob@example.com'},
            {'name': 'Charlie', 'email': 'charlie@example.com'}
        ])

        # Retrieve data
        print("All users:")
        all_users = db.get_rows('users')
        for user in all_users:
            print(user) # Rows are dict-like

        print("\nUser with ID 1:")
        user1 = db.get_rows('users', condition={'id': 1})
        print(user1)

        # Update data
        db.update_rows('users', {'email': 'robert@example.com'}, condition={'name': 'Bob'})
        print("\nBob's updated record:")
        print(db.get_rows('users', condition={'name': 'Bob'}))

        # Count rows
        print(f"\nTotal users: {db.count_rows('users')}")

        # Delete data
        db.delete_rows('users', condition={'name': 'Charlie'})
        print(f"\nTotal users after delete: {db.count_rows('users')}")

        # Custom query (safe with parameters)
        print("\nUsers with example.com emails (custom query):")
        result = db.execute_query("SELECT name FROM users WHERE email LIKE ?", ('%@example.com',))
        if result['success']:
            print(result['data'])

except EasySQLiteError as e:
    print(f"Database operation failed: {e}")
except Exception as e:
    print(f"An unexpected error occurred: {e}")

```

## Error Handling

The library primarily uses return values (like `bool`, `int`, `List`, `Optional[int]`) to indicate success or simple results. For more significant errors during operations (e.g., SQL syntax errors, constraint violations, non-existent tables/columns where not expected, invalid input), it raises custom exceptions derived from `EasySQLiteError` (e.g., `TableError`, `RowError`, `QueryError`). Check the specific method docstrings for details on potential exceptions.

## Security

  * **SQL Injection:** The library uses parameterization (`?` placeholders) internally for all methods that accept data values (`add_row`, `add_rows`, `get_rows`, `update_rows`, `delete_rows`, `execute_query` with `params`). This protects against SQL injection *for data values*.
  * **Identifiers:** Table names and column names provided by the user are generally assumed to be safe (developer-provided). **Do not construct table or column names directly from untrusted external input**, as this library does not sanitize identifiers.
  * **`execute_query`:** Be extremely careful when using `execute_query`. If you build the SQL string dynamically using external input *without* using the `params` argument for that input, you risk SQL injection.

## Limitations & SQLite Versions

  * **RENAME COLUMN:** Requires SQLite `3.25.0+`. Raises `NotImplementedError` on older versions.
  * **DROP COLUMN:** Requires SQLite `3.35.0+`. Raises `NotImplementedError` on older versions. The complex copy/recreate workaround is *not* implemented.
  * **JOINs:** The `on` condition string in `join_rows` must be provided correctly, including necessary table prefixes (`table.column`). The library does not parse or automatically qualify these.
  * **Error Handling Strategy:** Uses a mix of return values and custom exceptions. See method docstrings.
  * **Concurrency:** Uses `check_same_thread=False` for basic multi-threaded use cases but doesn't provide advanced concurrency control beyond standard SQLite capabilities. Not suitable for high-concurrency server applications without careful design.

## Contributing

Contributions are welcome\! Please open an issue or submit a pull request on GitHub. (Link to repo)

## License

This project is licensed under the Apache License, Version 2.0 - see the [LICENSE](LICENSE) file for details.

---
Apache License
                           Version 2.0, January 2004
                        http://www.apache.org/licenses/

   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

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      "License" shall mean the terms and conditions for use, reproduction,
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      You may add Your own copyright statement to Your modifications and
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   APPENDIX: How to apply the Apache License to your work.

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   Copyright 2025 Arindam Singh

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

---
