Adding upstream version 0.11.12.

Signed-off-by: Daniel Baumann <daniel@debian.org>

setup.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+from setuptools import setup  # isort:skip
+import os
+from itertools import chain
+
+try:
+    # Recommended for setuptools 61.0.0+
+    # (though may disappear in the future)
+    from setuptools.config.setupcfg import read_configuration
+except ImportError:
+    from setuptools.config import read_configuration
+
+################################################################################
+# Programmatically generate some extras combos.
+################################################################################
+extras = read_configuration("setup.cfg")["options"]["extras_require"]
+
+# Dev is everything
+extras["dev"] = list(chain(*extras.values()))
+
+# All is everything but tests and docs
+exclude_keys = ("tests", "docs", "dev")
+ex_extras = dict(filter(lambda i: i[0] not in exclude_keys, extras.items()))
+# Concatenate all the values together for 'all'
+extras["all"] = list(chain.from_iterable(ex_extras.values()))
+
+setup(
+    extras_require=extras,
+    use_scm_version={"write_to": os.path.join("src", "ablog", "_version.py")},
+)