feat(python): implement python bindings for all components and solvers

This commit is contained in:
Sepehr
2026-02-21 20:34:56 +01:00
parent 8ef8cd2eba
commit 4440132b0a
310 changed files with 11577 additions and 397 deletions

View File

@@ -59,8 +59,16 @@ fn pass(n: usize) -> Box<dyn Component> {
fn make_port(fluid: &str, p: f64, h: f64) -> ConnectedPort {
use entropyk_components::port::{FluidId, Port};
use entropyk_core::{Enthalpy, Pressure};
let p1 = Port::new(FluidId::new(fluid), Pressure::from_pascals(p), Enthalpy::from_joules_per_kg(h));
let p2 = Port::new(FluidId::new(fluid), Pressure::from_pascals(p), Enthalpy::from_joules_per_kg(h));
let p1 = Port::new(
FluidId::new(fluid),
Pressure::from_pascals(p),
Enthalpy::from_joules_per_kg(h),
);
let p2 = Port::new(
FluidId::new(fluid),
Pressure::from_pascals(p),
Enthalpy::from_joules_per_kg(h),
);
p1.connect(p2).unwrap().0
}
@@ -89,8 +97,11 @@ fn test_4_component_cycle_macro_creation() {
let mc = MacroComponent::new(internal);
// 4 components × 2 eqs = 8 internal equations, 0 exposed ports
assert_eq!(mc.n_equations(), 8,
"should have 8 internal equations with no exposed ports");
assert_eq!(
mc.n_equations(),
8,
"should have 8 internal equations with no exposed ports"
);
// 4 edges × 2 vars = 8 internal state vars
assert_eq!(mc.internal_state_len(), 8);
assert!(mc.get_ports().is_empty());
@@ -106,8 +117,11 @@ fn test_4_component_cycle_expose_two_ports() {
mc.expose_port(2, "refrig_out", make_port("R134a", 5e5, 4.5e5));
// 8 internal + 4 coupling (2 per port) = 12 equations
assert_eq!(mc.n_equations(), 12,
"should have 12 equations with 2 exposed ports");
assert_eq!(
mc.n_equations(),
12,
"should have 12 equations with 2 exposed ports"
);
assert_eq!(mc.get_ports().len(), 2);
assert_eq!(mc.port_mappings()[0].name, "refrig_in");
assert_eq!(mc.port_mappings()[1].name, "refrig_out");
@@ -130,14 +144,18 @@ fn test_4_component_cycle_in_parent_system() {
// Actually the validation requires an edge:
parent.add_edge(_mc_node, other).unwrap();
let result = parent.finalize();
assert!(result.is_ok(), "parent finalize should succeed: {:?}", result.err());
assert!(
result.is_ok(),
"parent finalize should succeed: {:?}",
result.err()
);
// Parent has 2 nodes, 1 edge
assert_eq!(parent.node_count(), 2);
assert_eq!(parent.edge_count(), 1);
// Parent state vector: 1 edge × 2 = 2 state vars
assert_eq!(parent.state_vector_len(), 2);
// Parent state vector: 1 edge × 2 = 2 state vars + 8 internal vars = 10 vars
assert_eq!(parent.state_vector_len(), 10);
}
// ─────────────────────────────────────────────────────────────────────────────
@@ -230,13 +248,16 @@ fn test_jacobian_coupling_entries_correct() {
let entries = jac.entries();
let find = |row: usize, col: usize| -> Option<f64> {
entries.iter().find(|&&(r, c, _)| r == row && c == col).map(|&(_, _, v)| v)
entries
.iter()
.find(|&&(r, c, _)| r == row && c == col)
.map(|&(_, _, v)| v)
};
// Coupling rows 8 (P) and 9 (h)
assert_eq!(find(8, 0), Some(1.0), "∂r_P/∂p_ext should be +1");
assert_eq!(find(8, 0), Some(1.0), "∂r_P/∂p_ext should be +1");
assert_eq!(find(8, 2), Some(-1.0), "∂r_P/∂int_p should be -1");
assert_eq!(find(9, 1), Some(1.0), "∂r_h/∂h_ext should be +1");
assert_eq!(find(9, 1), Some(1.0), "∂r_h/∂h_ext should be +1");
assert_eq!(find(9, 3), Some(-1.0), "∂r_h/∂int_h should be -1");
}
@@ -248,7 +269,7 @@ fn test_jacobian_coupling_entries_correct() {
fn test_macro_component_snapshot_serialization() {
let internal = build_4_component_cycle();
let mut mc = MacroComponent::new(internal);
mc.expose_port(0, "refrig_in", make_port("R134a", 1e5, 4e5));
mc.expose_port(0, "refrig_in", make_port("R134a", 1e5, 4e5));
mc.expose_port(2, "refrig_out", make_port("R134a", 5e5, 4.5e5));
mc.set_global_state_offset(0);
@@ -265,8 +286,7 @@ fn test_macro_component_snapshot_serialization() {
// JSON round-trip
let json = serde_json::to_string_pretty(&snap).expect("must serialize");
let restored: MacroComponentSnapshot =
serde_json::from_str(&json).expect("must deserialize");
let restored: MacroComponentSnapshot = serde_json::from_str(&json).expect("must deserialize");
assert_eq!(restored.label, snap.label);
assert_eq!(restored.internal_edge_states, snap.internal_edge_states);
@@ -295,14 +315,14 @@ fn test_two_macro_chillers_in_parallel_topology() {
let chiller_a = {
let internal = build_4_component_cycle();
let mut mc = MacroComponent::new(internal);
mc.expose_port(0, "in_a", make_port("R134a", 1e5, 4e5));
mc.expose_port(0, "in_a", make_port("R134a", 1e5, 4e5));
mc.expose_port(2, "out_a", make_port("R134a", 5e5, 4.5e5));
mc
};
let chiller_b = {
let internal = build_4_component_cycle();
let mut mc = MacroComponent::new(internal);
mc.expose_port(0, "in_b", make_port("R134a", 1e5, 4e5));
mc.expose_port(0, "in_b", make_port("R134a", 1e5, 4e5));
mc.expose_port(2, "out_b", make_port("R134a", 5e5, 4.5e5));
mc
};
@@ -313,7 +333,7 @@ fn test_two_macro_chillers_in_parallel_topology() {
let cb = parent.add_component(Box::new(chiller_b));
// Simple pass-through splitter & merger
let splitter = parent.add_component(pass(1));
let merger = parent.add_component(pass(1));
let merger = parent.add_component(pass(1));
// Topology: splitter → chiller_a → merger
// → chiller_b → merger
@@ -323,7 +343,11 @@ fn test_two_macro_chillers_in_parallel_topology() {
parent.add_edge(cb, merger).unwrap();
let result = parent.finalize();
assert!(result.is_ok(), "parallel chiller topology should finalize cleanly: {:?}", result.err());
assert!(
result.is_ok(),
"parallel chiller topology should finalize cleanly: {:?}",
result.err()
);
// 4 parent edges × 2 = 8 state variables in the parent
// 2 chillers × 8 internal variables = 16 internal variables
@@ -344,7 +368,11 @@ fn test_two_macro_chillers_in_parallel_topology() {
.traverse_for_jacobian()
.map(|(_, c, _)| c.n_equations())
.sum();
assert_eq!(total_eqs, 26, "total equation count mismatch: {}", total_eqs);
assert_eq!(
total_eqs, 26,
"total equation count mismatch: {}",
total_eqs
);
}
#[test]
@@ -352,14 +380,14 @@ fn test_two_macro_chillers_residuals_are_computable() {
let chiller_a = {
let internal = build_4_component_cycle();
let mut mc = MacroComponent::new(internal);
mc.expose_port(0, "in_a", make_port("R134a", 1e5, 4e5));
mc.expose_port(0, "in_a", make_port("R134a", 1e5, 4e5));
mc.expose_port(2, "out_a", make_port("R134a", 5e5, 4.5e5));
mc
};
let chiller_b = {
let internal = build_4_component_cycle();
let mut mc = MacroComponent::new(internal);
mc.expose_port(0, "in_b", make_port("R134a", 1e5, 4e5));
mc.expose_port(0, "in_b", make_port("R134a", 1e5, 4e5));
mc.expose_port(2, "out_b", make_port("R134a", 5e5, 4.5e5));
mc
};
@@ -371,7 +399,7 @@ fn test_two_macro_chillers_residuals_are_computable() {
let ca = parent.add_component(Box::new(chiller_a));
let cb = parent.add_component(Box::new(chiller_b));
let splitter = parent.add_component(pass(1));
let merger = parent.add_component(pass(1));
let merger = parent.add_component(pass(1));
parent.add_edge(splitter, ca).unwrap();
parent.add_edge(splitter, cb).unwrap();
parent.add_edge(ca, merger).unwrap();