set up package

.travis.yml

+language: python
+python: 3.6
+
+install:
+    - 'pip install -r requirements.txt'
+
+script:
+    - imgyaso -v
+    
+deploy:
+    -   provider: pypi
+        user: __token__
+        password: $PYPI_TOKEN
+        distributions: 'sdist bdist_wheel'
+        skip_existing: true

imgyaso/__main__.py

@@ -10,8 +10,9 @@ from .util import *
 modes = ['grid', 'noise', 'trunc', 'quant', 'thres']
 
 def main():
-    parser = argparse.ArgumentParser(description='ImgYaso')
+    parser = argparse.ArgumentParser(prog="ImgYaso", description="provide various image compression methods", formatter_class=argparse.RawDescriptionHelpFormatter)
 
+    parser.add_argument("-v", "--version", action="version", version=f"ImgYaso version: {__version__}")
     parser.add_argument('fname', help='file name to be processed')
     parser.add_argument('-c', '--colors', type=int, default=8, help='num of colors')
     parser.add_argument('-m', '--mode', default=modes[0], choices=modes, help='processing mode')

setup.py

+#!/usr/bin/env python3.7
+# -*- coding: utf-8 -*-
+
+import setuptools
+import imgyaso
+
+with open("README.md", "r", encoding="utf-8") as fh:
+    long_description = fh.read()
+
+with open("requirements.txt", "r", encoding="utf-8") as fh:
+    install_requires = fh.read().splitlines()
+
+setuptools.setup(
+    name="imgyaso",
+    version=imgyaso.__version__,
+    url="https://github.com/apachecn/imgyaso",
+    author=imgyaso.__author__,
+    author_email=imgyaso.__email__,
+    classifiers=[
+        "Development Status :: 4 - Beta",
+        "Environment :: Console",
+        "Intended Audience :: Developers",
+        "Intended Audience :: End Users/Desktop",
+        "License :: Other/Proprietary License",
+        "Natural Language :: Chinese (Simplified)",
+        "Natural Language :: English",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3 :: Only",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Topic :: Multimedia :: Graphics",
+        "Topic :: Utilities",
+    ],
+    description="提供多种图片有损压缩方式，包括自适应二值化、网格仿色、颜色缩减",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+    keywords=[
+        "image",
+        "processing",
+        "lossy",
+        "compression",
+        "adaptive",
+        "threshold",
+        "bilevel",
+        "grid",
+        "dither",
+        "quantize",
+        "图像处理",
+        "有损压缩",
+        "自适应阈值",
+        "二值化",
+        "网格仿色",
+        "颜色缩减",
+    ],
+    install_requires=install_requires,
+    python_requires=">=3.6",
+    entry_points={
+        'console_scripts': [
+            "imgyaso=imgyaso.__main__:main",
+        ],
+    },
+    packages=setuptools.find_packages(),
+)