Task/Fix licenses issues

LICENSE

@@ -22,6 +22,31 @@ SOFTWARE.
 
 ---
 
+THIRD-PARTY DEPENDENCY LICENSES
+
+This software includes dependencies that are licensed under different terms:
+
+1. OPTIONAL LDAP FUNCTIONALITY
+   If you install the optional LDAP dependencies (pip install pytimbr-sqla[ldap]),
+   you will be subject to additional license terms:
+   - ldap3: GNU General Public License v3.0
+
+   Important: The optional LDAP functionality is GPL-licensed. If you distribute
+   this software with LDAP support enabled, you must comply with GPL v3.0 terms.
+
+2. OTHER DEPENDENCIES
+   - future: Contains some GPL v2.0 components (used for Python 2/3 compatibility)
+
+   For a complete list of dependency licenses, see the 'licenses/' directory.
+
+COMPLIANCE NOTICE:
+- Core functionality (without LDAP): MIT Licensed
+- With optional LDAP support: Subject to GPL v3.0 terms
+- Users can choose their licensing obligations based on which features they use
+SOFTWARE.
+
+---
+
 Apache License 2.0
 
 Portions of this project are derived from or use dependencies licensed under the Apache License 2.0.

NOTICE

@@ -1,6 +1,22 @@
+NOTICES AND INFORMATION
+========================
+
+This software incorporates components from third parties.
+
 PyHive
 This project includes code from PyHive originally developed by Dropbox and was donated to Apache/Kyuubi in 2024
 
 future
-This project uses the `future` library, which is licensed under the GNU General Public License v2.0 (GPL-2.0). 
-Please review the terms of the GPL-2.0 license to ensure compliance.
+This project uses the `future` library, which contains components licensed under the GNU General Public License v2.0 (GPL-2.0). 
+Please review the terms of the GPL-2.0 license to ensure compliance when using these components.
+
+LICENSING OVERVIEW:
+- Core package: MIT Licensed
+- Optional LDAP support: GPL v3.0 Licensed
+- Some dependencies contain GPL components
+
+COMPLIANCE NOTICE:
+If you install optional LDAP support (pip install pytimbr-sqla[ldap]), 
+you must comply with GPL v3.0 license terms.
+
+For complete license texts, see the 'licenses/' directory.

README.md

@@ -39,6 +39,17 @@ This project is a python connector to timbr using SQLAlchemy.
 - Install using pip:
   - `pip install pytimbr-sqla`
 
+- Install with optional LDAP support:
+  - `pip install pytimbr-sqla[ldap]`
+
+## License Information
+This package uses a **dual-licensing approach**:
+
+- **Core functionality**: MIT Licensed (permissive)
+- **Optional LDAP support**: Requires GPL v3.0 compliance if used
+
+**Important**: Only install LDAP support if you can comply with GPL v3.0 terms. Most users don't need LDAP functionality.
+
 ## Sample usage
 - For an example of how to use the Python SQLAlchemy connector for timbr, follow this [example file](examples/example.py)
 - For an example of how to use the Python SQLAlchemy connector with 'PyHive' as async query for timbr, follow this [example file](examples/pyhive_async_example.py)

pyproject.toml

@@ -56,7 +56,6 @@ requires-python = ">=3.9"
 dependencies = [
   "future>=0.18.3",
   "python-dateutil>=2.8.2",
-  "ldap3",
   "thrift>=0.16.0",
   "thrift_sasl>=0.4.3",
   "pure-sasl>=0.6.2",
@@ -65,6 +64,16 @@ dependencies = [
   "pyhive>=0.7.0"
 ]
 
+[project.optional-dependencies]
+ldap = ["ldap3"]
+dev = [
+    "pytest>=7.0",
+    "pytest-cov>=4.0",
+    "black>=22.0",
+    "isort>=5.0",
+    "build>=1.2",
+]
+
 [project.urls]
 Homepage = "https://github.com/WPSemantix/timbr_python_SQLAlchemy"
 Download = "https://github.com/WPSemantix/timbr_python_SQLAlchemy/releases"

requirements.txt

@@ -1,6 +1,5 @@
 future>=0.18.3
 python-dateutil>=2.8.2
-ldap3
 thrift>=0.16.0
 thrift_sasl>=0.4.3
 pure-sasl>=0.6.2