Replace pbr with plain setuptools

.gitignore

@@ -5,8 +5,6 @@
 /.coverage
 /.eggs
 /.tox
-/AUTHORS
-/ChangeLog
 /Comics
 /build
 /dist

setup.cfg

@@ -1,14 +1,16 @@
 [metadata]
 name = dosage
 maintainer = Tobias Gruetzmacher
-maintainer-email = tobias-dosage@23.gs
-summary = a comic strip downloader and archiver
-description-file = README.md
-home-page = http://dosage.rocks/
-license = MIT
-platform = Any
+maintainer_email = tobias-dosage@23.gs
+description = a comic strip downloader and archiver
+long_description = file: README.md
+long_description_content_type = text/markdown
+url = https://github.com/webcomics/dosage
+license = MIT License
+license_file = COPYING
+platforms = Any
 keywords = comic,webcomic,downloader,archiver,crawler
-classifier =
+classifiers =
     Environment :: Console
     Intended Audience :: End Users/Desktop
     Topic :: Multimedia :: Graphics
@@ -25,15 +27,25 @@ classifier =
     Programming Language :: Python :: 3.8
     Operating System :: OS Independent
 
-[files]
-packages =
-    dosagelib
+[options]
+setup_requires =
+    setuptools >= 36.7.0
+    setuptools_scm
+python_requires = >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*
+packages = find:
+install_requires =
+    colorama
+    lxml
+    requests>=2.0
+    six
+    backports.shutil_get_terminal_size; python_version<'3.3'
+    backports.functools_lru_cache; python_version<'3.2'
 
-[entry_points]
+[options.entry_points]
 console_scripts =
     dosage = dosagelib.cmd:main
 
-[extras]
+[options.extras_require]
 css =
     cssselect
 dimensions =

setup.py

@@ -9,7 +9,5 @@ from __future__ import absolute_import, division, print_function
 from setuptools import setup
 
 setup(
-    setup_requires=['pbr>=1.9', 'setuptools>=17.1'],
-    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
-    pbr=True,
+    use_scm_version=True,
 )