Fix install issue with recent setuptools (#47)

The hack to prevent installation on Windows no longer works. I didn't
track down the exact setuptools version where this starts failing, but
just fix the problem by using the `unsupported-python` dependency on
Windows.

Fixes #45 + #46

.pre-commit-config.yaml

@@ -3,7 +3,7 @@
 exclude: web/
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.3.0
+    rev: v4.4.0
     hooks:
       - id: check-added-large-files # prevents giant files from being committed.
       - id: check-case-conflict # checks for files that would conflict in case-insensitive filesystems.
@@ -37,19 +37,19 @@ repos:
       - id: trailing-whitespace # trims trailing whitespace.
 
   - repo: https://github.com/psf/black
-    rev: 22.10.0
+    rev: 23.3.0
     hooks:
       - id: black
 
   - repo: https://github.com/PyCQA/isort
-    rev: 5.10.1
+    rev: 5.12.0
     hooks:
       - id: isort
         args: [--profile=black]
         files: (dtrx)|(\.(py)$)
 
   - repo: https://github.com/sirosen/check-jsonschema
-    rev: 0.19.1
+    rev: 0.22.0
     hooks:
       - id: check-github-actions
       - id: check-github-workflows
@@ -65,7 +65,7 @@ repos:
         files: \./README\.md
 
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v3.0.0-alpha.4
+    rev: v3.0.0-alpha.9-for-vscode
     hooks:
       - id: prettier
         args: [--write]
@@ -82,13 +82,13 @@ repos:
       - id: hadolint-docker
 
   - repo: https://github.com/PyCQA/flake8
-    rev: 5.0.4
+    rev: 6.0.0
     hooks:
       - id: flake8
         additional_dependencies: [flake8-bugbear]
 
   - repo: https://github.com/koalaman/shellcheck-precommit
-    rev: v0.8.0
+    rev: v0.9.0
     hooks:
       - id: shellcheck
         files: \.sh$

dtrx/dtrx.py

@@ -67,7 +67,7 @@ def cmp(a, b):
 except NameError:
     from sets import Set as set
 
-VERSION = "8.5.0"
+VERSION = "8.5.1"
 VERSION_BANNER = """dtrx version %s
 Copyright © 2006-2011 Brett Smith <brettcsmith@brettcsmith.org>
 Copyright © 2008 Peter Kelemen <Peter.Kelemen@gmail.com>
@@ -81,9 +81,7 @@ def cmp(a, b):
 This program is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
-Public License for more details.""" % (
-    VERSION,
-)
+Public License for more details.""" % (VERSION,)
 
 # Python3.6 optparse has a hard time parsing this, so ascii transform it
 if sys.version_info[:2] == (3, 6):

setup.cfg

@@ -28,8 +28,8 @@ project_urls =
 [options]
 packages = dtrx
 install_requires =
-    platform==unsupported;platform_system=="Windows"
     subprocess32;python_version < '3.3'
+    unsupported-python==1.0.0;platform_system=="Windows"
 python_requires = >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*, !=3.6.*
 
 [options.entry_points]

tasks/__init__.py

@@ -39,19 +39,23 @@ def test_nonexistent_file_cmd(ctx):
 
 @invoke.task
 def windows(ctx):
-    """just check that windows install fails. pulls a minimal wine docker image to test
+    """
+    just check that windows install fails. pulls a minimal wine docker image to test
     """
     if docker.in_docker():
         print("error: this should not be run in docker!")
         sys.exit(1)
     ctx.run(
-        'docker run --rm -v "$(pwd)":/workdir -t tobix/pywine:3.9 bash -c \'wine pip'
-        " install /workdir' | tee /dev/stderr | grep -q 'ERROR: No matching"
-        " distribution found for platform==unsupported' || echo \"ERROR: pip install"
-        ' should fail!"',
+        (
+            'docker run --rm -v "$(pwd)":/workdir -t tobix/pywine:3.9 bash -c \'wine'
+            " pip install /workdir' | tee /dev/stderr | grep -q 'UnsupportedPython: One"
+            " or more packages do not support'"
+        ),
         pty=True,
     )
 
+    print("Hooray 🎉! Windows install failed as expected.")
+
 
 # Top-level tasks
 namespace = invoke.Collection(