Format and lint codes and fix packaging (#125)

* add: configure files (setup.py->setup.py+setup.cfg+pyproject.toml)

* add: __download_url__

* format with black and isort

* fix: flake8 section in setup.cfg

* add: E501 to flake ignore

* fix: metadata.name does not accept attr

* fix: merge __version__.py into __init__.py

* fix: flake8 errors in tests/

* fix: datetime.datetime -> datetime

* fix: banner

* fix: ignore W605 for banner

* fix: way to install deps in CI

* add: versem to setuptools

* fix: drop python<=3.6 (#126) from package and CI

setup.py

@@ -1,66 +1,3 @@
-import os.path
 from setuptools import setup
 
-readme_path = os.path.join(os.path.dirname(__file__), "README.md")
-with open(readme_path, encoding="utf-8") as f:
-    long_description = f.read()
-
-about = {}
-version_path = os.path.join(os.path.dirname(__file__), "waybackpy", "__version__.py")
-with open(version_path, encoding="utf-8") as f:
-    exec(f.read(), about)
-
-version = str(about["__version__"])
-
-download_url = "https://github.com/akamhy/waybackpy/archive/{version}.tar.gz".format(
-    version=version
-)
-
-setup(
-    name=about["__title__"],
-    packages=["waybackpy"],
-    version=version,
-    description=about["__description__"],
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    license=about["__license__"],
-    author=about["__author__"],
-    author_email=about["__author_email__"],
-    url=about["__url__"],
-    download_url=download_url,
-    keywords=[
-        "Archive Website",
-        "Wayback Machine",
-        "Internet Archive",
-        "Wayback Machine CLI",
-        "Wayback Machine Python",
-        "Internet Archiving",
-        "Availability API",
-        "CDX API",
-        "savepagenow",
-    ],
-    install_requires=["requests", "click"],
-    python_requires=">=3.4",
-    classifiers=[
-        "Development Status :: 4 - Beta",
-        "Intended Audience :: Developers",
-        "Natural Language :: English",
-        "License :: OSI Approved :: MIT License",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.4",
-        "Programming Language :: Python :: 3.5",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: Implementation :: CPython",
-    ],
-    entry_points={"console_scripts": ["waybackpy = waybackpy.cli:main"]},
-    project_urls={
-        "Documentation": "https://github.com/akamhy/waybackpy/wiki",
-        "Source": "https://github.com/akamhy/waybackpy",
-        "Tracker": "https://github.com/akamhy/waybackpy/issues",
-    },
-)
+setup()