adding cli entrypoint and pyproject build

Author: derekn

.gitignore

@@ -0,0 +1,8 @@
+*.py[oc]
+.DS_Store
+/*.egg-info/
+/dist/
+__pycache__/
+difPy_*.json
+difPy_*_lower_quality.txt
+Thumbs.db

README.md

@@ -156,6 +156,7 @@ difPy.search(difpy_obj, similarity='duplicates', rotate=True, same_dim=True, sho
 ## CLI Usage
 difPy can also be invoked through the CLI by using the following commands:
 
+### From Source
 ```python
 python dif.py #working directory
 
@@ -164,6 +165,15 @@ python dif.py -D 'C:/Path/to/Folder/'
 python dif.py -D 'C:/Path/to/Folder_A/' 'C:/Path/to/Folder_B/' 'C:/Path/to/Folder_C/'
 ```
 
+### Installed Package
+```shell
+pip install difPy
+
+difpy
+# or
+python -m difpy
+```
+
 > :point_right: Windows users can add difPy to their [PATH system variables](https://www.computerhope.com/issues/ch000549.htm) by pointing it to their difPy package installation folder containing the [`difPy.bat`](https://github.com/elisemercury/Duplicate-Image-Finder/difPy/difPy.bat) file. This adds `difPy` as a command in the CLI and will allow direct invocation of `difPy` from anywhere on the device.
 
 difPy CLI supports the following arguments:

difPy/__main__.py

@@ -0,0 +1,4 @@
+from .dif import cli
+
+if __name__ == '__main__':
+    cli()

difPy/dif.py

@@ -971,8 +971,8 @@ def _strtobool(v):
             return False
         else:
             raise argparse.ArgumentTypeError('Boolean value expected')
-        
-if __name__ == '__main__':
+
+def cli():
     # Parameters for when launching difPy via CLI
     parser = argparse.ArgumentParser(description='Find duplicate or similar images with difPy - https://github.com/elisemercury/Duplicate-Image-Finder')
     parser.add_argument('-D', '--directory', type=str, nargs='+', help='Paths of the directories to be searched. Default is working dir.', required=False, default=[os.getcwd()])
@@ -1040,4 +1040,7 @@ def _strtobool(v):
         # delete search.lower_quality files
         se.delete(silent_del=args.silent_del)
 
-    print(f'''\n{result_file}\n{lq_file}\n{stats_file}\n\nsaved in '{dir}'.''')
+    print(f'''\n{result_file}\n{lq_file}\n{stats_file}\n\nsaved in '{dir}'.''')
+
+if __name__ == '__main__':
+    cli()

pyproject.toml

@@ -0,0 +1,33 @@
+[project]
+name = "difpy"
+dynamic = ["version"]
+description = "Duplicate Image Finder - Python package for finding duplicate and similar images"
+readme = "README.md"
+keywords = ["duplicate", "image", "finder", "similarity", "pictures"]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3.11",
+    "Topic :: Software Development :: Build Tools"
+]
+requires-python = ">=3.11"
+dependencies = [
+    "numpy>=1.26.4",
+    "pillow>=10.2.0",
+]
+
+[project.urls]
+homepage = "https://github.com/elisemercury/Duplicate-Image-Finder"
+documentation = "https://difpy.readthedocs.io"
+repository = "https://github.com/elisemercury/Duplicate-Image-Finder"
+
+[project.scripts]
+difpy = "difPy.dif:cli"
+
+[tool.setuptools]
+packages = ["difPy"]
+
+[tool.setuptools.dynamic]
+version = {attr = "difPy.version.__version__"}