demo

.gitignore

@@ -4,4 +4,4 @@ __pycache__
 .venv
 .ruff_cache
 
-demo/cqo1.ptf
+cqo1.ptf

Makefile

@@ -2,6 +2,7 @@
 
 SHELL=/bin/bash
 
+
 .PHONY: install
 install:  ## Install a virtual environment
 	@poetry install -vv
@@ -14,9 +15,19 @@ fmt:  ## Run autoformatting and linting
 clean:  ## Clean up caches and build artifacts
 	@rm -rf .pytest_cache/
 	@rm -rf .ruff_cache/
+	@rm -f **cqo1.ptf
 	@find . -type f -name '*.py[co]' -delete -or -type d -name __pycache__ -delete
 
+
+# Define the demo target
+.PHONY: demo
+demo: install ## Run a demo
+	@poetry run demo
+
 .PHONY: help
 help:  ## Display this help screen
+	@echo
 	@echo -e "\033[1mAvailable commands:\033[0m"
+	@echo
 	@grep -E '^[a-z.A-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "  \033[36m%-18s\033[0m %s\n", $$1, $$2}' | sort
+	@echo

demo/demo.py

@@ -8,7 +8,7 @@
 license.upsert()
 
 
-if __name__ == "__main__":
+def main():
     with fusion.Model("cqo1") as M:
         # this is optional, just to be safe...
         M.putlicensepath(license.current())
@@ -36,14 +36,14 @@
         #                 z1[0] >= sqrt(z1[1]^2 + z1[2]^2)
         #  and  2.0 z2[0] z2[1] >= z2[2]^2
         qc1 = M.constraint("qc1", z1, fusion.Domain.inQCone())
-        qc2 = M.constraint("qc2", z2, fusion.Domain.inRotatedQCone())
+        M.constraint("qc2", z2, fusion.Domain.inRotatedQCone())
 
         # Set the objective function to (y[0] + y[1] + y[2])
         M.objective("obj", fusion.ObjectiveSense.Minimize, fusion.Expr.sum(y))
 
         # Solve the problem
         M.solve()
-        M.writeTask("cqo1.ptf")
+        # M.writeTask("cqo1.ptf")
 
         # Get the linear solution values
         solx = x.level()
@@ -56,3 +56,7 @@
         qc1sn = qc1.dual()
         print("qc1 levels                = %s" % str(qc1lvl))
         print("qc1 dual conic var levels = %s" % str(qc1sn))
+
+
+if __name__ == "__main__":
+    main()

pyproject.toml

@@ -25,6 +25,9 @@ black = "23.3.0"
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
 
+[tool.poetry.scripts]
+demo = "demo.demo:main"
+
 [tool.ruff]
 select = ["E", "F", "I"]
 line-length = 100