Use setuptools-scm

* Use "parse_type/_version.py" as temporary file
* Packaging tweaks: Related to Python 2.7

OTHERWISE:

* REMOVE: bumpversion
* REMOVE: setup.py

.gitignore

@@ -1,6 +1,7 @@
 *.py[cod]
 
 # -- TEMPORARY PYTHON PACKAGE PARTS:
+parse_type/_version.py
 MANIFEST
 *.egg
 *.egg-info

.repos

@@ -0,0 +1,33 @@
+# ===========================================================================
+# vcs: Multi-repo configuration
+# ===========================================================================
+# USAGE:
+#   vcs --commands    # Show available commands
+#
+#   vcs import < .repos
+#   vcs import --input=.repos
+#   vcs import --input=https://github.com/jenisys/cxx.simplelog/blob/master/.repos
+#   vcs import --input=https://github.com/jenisys/cxx.simplelog/blob/master/.rosinstall
+#   vcs import --shallow --input=.repos
+#   vcs import lib/ --input=.repos
+#
+#   vcs pull
+#   vcs status
+#
+#   vcs export --nested                     # Use branch-name
+#   vcs export --nested --exact             # Use commit-hashes instead of branch-name
+#   vcs export --nested --exact-with-tags   # Use tags or commit-hashes
+#   vcs export --nested lib/doctest         # For a specific path instead of ".".
+#
+# BAD: vcs-export adds basename of current-directory to repositories.
+#
+# SEE ALSO:
+#   * https://github.com/dirk-thomas/vcstool
+# ===========================================================================
+# REQUIRES: pip install vcstool
+
+repositories:
+  lib/parse:
+    type: git
+    url: https://github.com/r1chardj0n3s/parse.git
+    version: master

parse_type/__init__.py

@@ -11,4 +11,3 @@
 from parse_type.builder import TypeBuilder, build_type_dict
 
 __all__ = ["Cardinality", "TypeBuilder", "build_type_dict"]
-__version__ = "0.6.3"

py.requirements/all.txt

@@ -9,5 +9,6 @@
 # ============================================================================
 
 -r basic.txt
+-r packaging.txt
 -r develop.txt
 -r testing.txt

py.requirements/develop.txt

@@ -5,13 +5,9 @@
 # -- BUILD-SYSTEM SUPPORT: Using invoke
 -r ../tasks/py.requirements.txt
 
-# -- PROJECT ADMIN SUPPORT:
-bump2version >= 0.5.6
-
 # -- RELEASE MANAGEMENT: Push package to pypi.
-build >= 0.5.1
 twine >= 1.13.0
-wheel
+-r packaging.txt
 
 # -- PYTHON2/PYTHON3 COMPATIBILITY:
 modernize >= 0.5
@@ -20,6 +16,9 @@ modernize >= 0.5
 typing-extensions; python_version >= '3.8'
 typer >= 0.12.5;   python_version >= '3.7'
 
+# -- MULTI-REPO TOOL:
+vcstool >= 0.3.0
+
 # -- LINTERS:
 ruff; python_version >=  '3.7'
 pylint

py.requirements/packaging.txt

@@ -0,0 +1,17 @@
+# ============================================================================
+# PYTHON PACKAGE REQUIREMENTS: packaging support
+# ============================================================================
+# DESCRIPTION:
+#    pip install -r <THIS_FILE>
+#
+# SEE ALSO:
+#  * http://www.pip-installer.org/
+# ============================================================================
+
+# -- PACKAGING SUPPORT:
+build >= 0.5.1
+setuptools >= 64.0.0; python_version >= '3.5'
+setuptools <  45.0.0; python_version <  '3.5'  # DROP: Python2, Python 3.4 support.
+setuptools_scm >= 8.0.0; python_version >= '3.7'
+setuptools_scm <  8.0.0; python_version <  '3.7'
+wheel

pyproject.toml

@@ -1,11 +1,14 @@
 # =============================================================================
 # PACKAGING: parse_type
 # =============================================================================
-# SEE: https://setuptools.pypa.io/en/latest/userguide/pyproject_config.html
-# SEE: https://pypi.org/classifiers/
-# MAYBE: requires = ["setuptools", "setuptools-scm"]
+# SEE ALSO:
+#   * https://setuptools.pypa.io/en/latest/userguide/pyproject_config.html
+#   * https://setuptools-scm.readthedocs.io/en/latest/usage/
+#   * https://pypi.org/classifiers/
+# =============================================================================
+# PYTHON3: requires = ["setuptools>=64", "setuptools_scm>=8", "wheel"]
 [build-system]
-requires = ["setuptools"]
+requires = ["setuptools", "setuptools_scm", "wheel"]
 build-backend = "setuptools.build_meta"
 
 
@@ -15,6 +18,7 @@ authors = [
     {name = "Jens Engel", email = "jenisys@noreply.github.com"},
 ]
 description = "Simplifies to build parse types based on the parse module"
+dynamic = ["version"]
 readme = "README.rst"
 requires-python = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 keywords = ["parse", "parsing"]
@@ -48,8 +52,6 @@ dependencies = [
     "enum34; python_version < '3.4'",
     "six >= 1.15",
 ]
-# PREPARED:
-dynamic = ["version"]
 
 
 [project.urls]
@@ -61,7 +63,11 @@ Download = "https://pypi.org/project/parse_type/"
 
 [project.optional-dependencies]
 develop = [
-    "setuptools",
+    "setuptools >= 64.0.0; python_version >= '3.5'",
+    "setuptools <  45.0.0; python_version <  '3.5'",  # DROP: Python2, Python 3.4 support.
+    "setuptools_scm >= 8.0.0; python_version >= '3.7'",
+    "setuptools_scm <  8.0.0; python_version <  '3.7'",
+    "wheel",
     "build >= 0.5.1",
     "twine >= 1.13.0",
     "coverage >= 4.4",
@@ -97,16 +103,20 @@ universal = true
 platforms = ["any"]
 zip-safe = true
 
-# -- PREPARED:
-[tool.setuptools.dynamic]
-version = {attr = "parse_type.__version__"}
+# -- DISABLED:
+# [tool.setuptools.dynamic]
+# version = {attr = "parse_type._version.version"}
 
 [tool.setuptools.packages.find]
 where = ["."]
 include = ["parse_type*"]
 exclude = ["tests*"]
 namespaces = false
 
+# -- SETUPTOOLS-SCM: Generate version info from git-tag(s).
+[tool.setuptools_scm]
+version_file = "parse_type/_version.py"
+
 
 # =============================================================================
 # OTHER TOOLS