[infra] Fix colcon build

Author: sea-bass

.gitignore

@@ -7,6 +7,8 @@ py_trees.egg-info
 *.pyc
 *.png
 *.svg
+install
+log
 build
 dist
 deb_dist

pyproject.toml

@@ -13,7 +13,11 @@ maintainers = [
 ]
 readme = "README.md"
 license = { text = "BSD" }
-requires-python = ">=3.10,<4.0"
+# NOTE: deliberately omitted. `colcon build` (ament_python) introspects setup.py via
+# colcon-python-setup-py, which repr()s + ast.literal_eval()s the setuptools metadata.
+# setuptools merges this PEP 621 field as a packaging.SpecifierSet, whose repr
+# (`<SpecifierSet(...)>`) is not a valid literal and breaks the colcon build.
+# requires-python = ">=3.10,<4.0"
 keywords = ["py_trees", "py-trees", "behaviour-trees"]
 classifiers = [
     "Environment :: Console",

resource/py_trees

@@ -8,7 +8,6 @@
 
 from setuptools import find_packages, setup
 
-install_requires = ["setuptools", "pydot"]
 
 # Some duplication of properties in:
 #  - setup.py,           (ros / legacy)
@@ -21,7 +20,10 @@
     version="2.4.0",
     packages=find_packages(exclude=["tests*", "docs*"]),
     package_data={"py_trees": ["py.typed"]},
-    install_requires=install_requires,
+    data_files=[
+        ("share/ament_index/resource_index/packages", ["resource/py_trees"]),
+        ("share/py_trees", ["package.xml"]),
+    ],
     author="Daniel Stonier, Naveed Usmani, Michal Staniaszek",
     maintainer="Daniel Stonier <d.stonier@gmail.com>, Sebastian Castro <sebas.a.castro@gmail.com>",
     url="https://github.com/splintered-reality/py_trees",