use declarative packaging + better version announcement handling

requirements.txt

@@ -4,4 +4,4 @@ isodate==0.6.0
 marshmallow==3.9.1
 marshmallow_enum==1.5.1
 marshmallow-oneofschema==2.1.0
-testfixtures==6.15.0
+testfixtures==6.15.0

setup.cfg

@@ -1,2 +1,30 @@
 [metadata]
-description-file = README.md
+name = tock-py
+version = attr: tock.__version__
+description = Build chatbots using Tock and Python
+long_description = file: README.md
+long_description_content_type = text/markdown
+author = Erwan LE BESCOND
+author_email = [email protected]
+url = https://github.com/theopenconversationkit/tock-py/
+license = MIT
+classifiers =
+    Programming Language :: Python :: 3
+    License :: OSI Approved :: MIT License
+    Operating System :: OS Independent
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+
+[options]
+zip_safe = False
+include_package_data = True
+packages = tock
+install_requires = file: requirements.txt
+
+[bumpversion]
+commit = True
+tag = True
+current_version = 1.0.1
+[bumpversion:file:tock/__init__.py]

setup.py

@@ -1,49 +1,3 @@
-import os
-import re
-
 import setuptools
 
-with open("README.md", "r") as fh:
-    long_description = fh.read()
-
-PKG = "tock"
-VERSIONFILE = os.path.join(PKG, "__version__.py")
-
-try:
-    verstrline = open(VERSIONFILE, "rt").read()
-except EnvironmentError:
-    pass  # Okay, there is no version file.
-else:
-    VSRE = r"^verstr = ['\"]([^'\"]*)['\"]"
-    mo = re.search(VSRE, verstrline, re.M)
-    if mo:
-        version = mo.group(1)
-    else:
-        print("unable to find version in %s" % (VERSIONFILE,))
-        raise RuntimeError("if %s.py exists, it is required to be well-formed" % (VERSIONFILE,))
-
-setuptools.setup(
-    name="tock-py",
-    version=version,
-    author="Erwan LE BESCOND",
-    author_email="[email protected]",
-    description="Build chatbots using Tock and Python",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url="https://github.com/theopenconversationkit/tock-py/",
-    packages=setuptools.find_packages(),
-    install_requires=[
-        'aiohttp==3.7.4',
-        'asyncio==3.4.3',
-        'marshmallow==3.9.1',
-        'marshmallow_enum==1.5.1',
-        'marshmallow-oneofschema==2.0.1',
-        'testfixtures==6.14.2',
-    ],
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: MIT License",
-        "Operating System :: OS Independent",
-    ],
-    python_requires='>=3.6',
-)
+setuptools.setup()

tock/__init__.py

@@ -0,0 +1 @@
+__version__ = '0.0.1-dev10'