fn from(e: ParameterError) -> PyErr {

PyRuntimeError::new_err(e.to_string())

}

#[new]

#[pyo3(

fn new(

cas: Option<&str>,

name: Option<&str>,

iupac_name: Option<&str>,

smiles: Option<&str>,

inchi: Option<&str>,

formula: Option<&str>,

) -> Self {

Self(Identifier::new(

cas, name, iupac_name, smiles, inchi, formula,

))

}

#[getter]

fn get_cas(&self) -> Option<String> {

self.0.cas.clone()

}

#[setter]

fn set_cas(&mut self, cas: &str) {

self.0.cas = Some(cas.to_string());

}

#[getter]

fn get_name(&self) -> Option<String> {

self.0.name.clone()

}

#[setter]

fn set_name(&mut self, name: &str) {

self.0.name = Some(name.to_string());

}

#[getter]

fn get_iupac_name(&self) -> Option<String> {

self.0.iupac_name.clone()

}

#[setter]

fn set_iupac_name(&mut self, iupac_name: &str) {

self.0.iupac_name = Some(iupac_name.to_string());

}

#[getter]

fn get_smiles(&self) -> Option<String> {

self.0.smiles.clone()

}

#[setter]

fn set_smiles(&mut self, smiles: &str) {

self.0.smiles = Some(smiles.to_string());

}

#[getter]

fn get_inchi(&self) -> Option<String> {

self.0.inchi.clone()

}

#[setter]

fn set_inchi(&mut self, inchi: &str) {

self.0.inchi = Some(inchi.to_string());

}

#[getter]

fn get_formula(&self) -> Option<String> {

self.0.formula.clone()

}

#[setter]

fn set_formula(&mut self, formula: &str) {

self.0.formula = Some(formula.to_string());

}

fn __repr__(&self) -> PyResult<String> {

Ok(self.0.to_string())

}

#[new]

#[pyo3(text_signature = "(identifier, segments, bonds=None)")]

fn new(

identifier: PyIdentifier,

segments: Vec<String>,

bonds: Option<Vec<[usize; 2]>>,

) -> Self {

Self(ChemicalRecord::new(identifier.0, segments, bonds))

}

#[getter]

fn get_identifier(&self) -> PyIdentifier {

PyIdentifier(self.0.identifier.clone())

}

#[getter]

fn get_segments(&self) -> Vec<String> {

self.0.segments.clone()

}

#[getter]

fn get_bonds(&self) -> Vec<[usize; 2]> {

self.0.bonds.clone()

}

fn __repr__(&self) -> PyResult<String> {

Ok(self.0.to_string())

}

() => {

#[pyclass(name = "BinaryModelRecord")]

#[derive(Clone)]

struct PyBinaryModelRecord(f64);

impl_binary_record!(f64, PyBinaryModelRecord);

};

($model_record:ident, $py_model_record:ident) => {

/// Create a record for a binary interaction parameter.

///

/// Parameters

/// ----------

/// id1 : Identifier

/// The identifier of the first component.

/// id2 : Identifier

/// The identifier of the second component.

/// model_record : float or BinaryModelRecord

/// The binary interaction parameter.

///

/// Returns

/// -------

/// BinaryRecord

#[pyclass(name = "BinaryRecord")]

#[derive(Clone)]

pub struct PyBinaryRecord(pub BinaryRecord<Identifier, $model_record>);

impl From<$py_model_record> for $model_record {

fn from(record: $py_model_record) -> Self {

record.0

}

}

#[pymethods]

impl PyBinaryRecord {

#[new]

fn new(id1: PyIdentifier, id2: PyIdentifier, model_record: &PyAny) -> PyResult<Self> {

if let Ok(mr) = model_record.extract::<f64>() {

Ok(Self(BinaryRecord::new(id1.0, id2.0, mr.try_into()?)))

} else if let Ok(mr) = model_record.extract::<$py_model_record>() {

Ok(Self(BinaryRecord::new(id1.0, id2.0, mr.0)))

} else {

Err(PyErr::new::<PyTypeError, _>(format!(

"Could not parse model_record input!"

)))

}

}

/// Read a list of `BinaryRecord`s from a JSON file.

///

/// Parameters

/// ----------

/// path : str

/// Path to file containing the binary records.

///

/// Returns

/// -------

/// [BinaryRecord]

#[staticmethod]

#[pyo3(text_signature = "(path)")]

fn from_json(path: &str) -> Result<Vec<Self>, ParameterError> {

Ok(BinaryRecord::from_json(path)?

.into_iter()

.map(Self)

.collect())

}

#[getter]

fn get_id1(&self) -> PyIdentifier {

PyIdentifier(self.0.id1.clone())

}

#[setter]

fn set_id1(&mut self, id1: PyIdentifier) {

self.0.id1 = id1.0;

}

#[getter]

fn get_id2(&self) -> PyIdentifier {

PyIdentifier(self.0.id2.clone())

}

#[setter]

fn set_id2(&mut self, id2: PyIdentifier) {

self.0.id2 = id2.0;

}

#[getter]

fn get_model_record(&self, py: Python) -> PyObject {

if let Ok(mr) = f64::try_from(self.0.model_record.clone()) {

mr.to_object(py)

} else {

$py_model_record(self.0.model_record.clone()).into_py(py)

}

}

#[setter]

fn set_model_record(&mut self, model_record: &PyAny) -> PyResult<()> {

if let Ok(mr) = model_record.extract::<f64>() {

self.0.model_record = mr.try_into()?;

} else if let Ok(mr) = model_record.extract::<$py_model_record>() {

self.0.model_record = mr.0;

} else {

return Err(PyErr::new::<PyTypeError, _>(format!(

"Could not parse model_record input!"

)));

}

Ok(())

}

fn __repr__(&self) -> PyResult<String> {

Ok(self.0.to_string())

}

}

impl_json_handling!(PyBinaryRecord);

};

#[new]

fn new(id1: String, id2: String, model_record: f64) -> PyResult<Self> {

Ok(Self(BinaryRecord::new(id1, id2, model_record)))

}

/// Read a list of `BinarySegmentRecord`s from a JSON file.

///

/// Parameters

/// ----------

/// path : str

/// Path to file containing the binary records.

///

/// Returns

/// -------

/// [BinarySegmentRecord]

#[staticmethod]

#[pyo3(text_signature = "(path)")]

pub fn from_json(path: &str) -> Result<Vec<Self>, ParameterError> {

Ok(BinaryRecord::from_json(path)?

.into_iter()

.map(Self)

.collect())

}

#[getter]

fn get_id1(&self) -> String {

self.0.id1.clone()

}

#[setter]

fn set_id1(&mut self, id1: String) {

self.0.id1 = id1;

}

#[getter]

fn get_id2(&self) -> String {

self.0.id2.clone()

}

#[setter]

fn set_id2(&mut self, id2: String) {

self.0.id2 = id2;

}

#[getter]

fn get_model_record(&self) -> f64 {

self.0.model_record

}

#[setter]

fn set_model_record(&mut self, model_record: f64) {

self.0.model_record = model_record;

}

fn __repr__(&self) -> PyResult<String> {

Ok(self.0.to_string())

}

($model_record:ident, $py_model_record:ident) => {

/// All information required to characterize a pure component.

///

/// Parameters

/// ----------

/// identifier : Identifier

/// The identifier of the pure component.

/// molarweight : float

/// The molar weight (in g/mol) of the pure component.

/// model_record : ModelRecord

/// The pure component model parameters.

///

/// Returns

/// -------

/// PureRecord

#[pyclass(name = "PureRecord")]

#[derive(Clone)]

pub struct PyPureRecord(pub PureRecord<$model_record>);

#[pymethods]

impl PyPureRecord {

#[new]

#[pyo3(text_signature = "(identifier, molarweight, model_record)")]

fn new(

identifier: PyIdentifier,

molarweight: f64,

model_record: $py_model_record,

) -> PyResult<Self> {

Ok(Self(PureRecord::new(

identifier.0,

molarweight,

model_record.0,

)))

}

#[getter]

fn get_identifier(&self) -> PyIdentifier {

PyIdentifier(self.0.identifier.clone())

}

#[setter]

fn set_identifier(&mut self, identifier: PyIdentifier) {

self.0.identifier = identifier.0;

}

#[getter]

fn get_molarweight(&self) -> f64 {

self.0.molarweight

}

#[setter]

fn set_molarweight(&mut self, molarweight: f64) {

self.0.molarweight = molarweight;

}

#[getter]

fn get_model_record(&self) -> $py_model_record {

$py_model_record(self.0.model_record.clone())

}

#[setter]

fn set_model_record(&mut self, model_record: $py_model_record) {

self.0.model_record = model_record.0;

}

fn __repr__(&self) -> PyResult<String> {

Ok(self.0.to_string())

}

}

impl_json_handling!(PyPureRecord);

};

($model_record:ident, $py_model_record:ident) => {

/// All information required to characterize a single segment.

///

/// Parameters

/// ----------

/// identifier : str

/// The identifier of the segment.

/// molarweight : float

/// The molar weight (in g/mol) of the segment.

/// model_record : ModelRecord

/// The segment model parameters.

///

/// Returns

/// -------

/// SegmentRecord

#[pyclass(name = "SegmentRecord")]

#[derive(Clone)]

pub struct PySegmentRecord(SegmentRecord<$model_record>);

#[pymethods]

impl PySegmentRecord {

#[new]

#[pyo3(text_signature = "(identifier, molarweight, model_record)")]

fn new(

identifier: String,

molarweight: f64,

model_record: $py_model_record,

) -> PyResult<Self> {

Ok(Self(SegmentRecord::new(

identifier,

molarweight,

model_record.0,

)))

}

/// Read a list of `SegmentRecord`s from a JSON file.

///

/// Parameters

/// ----------

/// path : str

/// Path to file containing the segment records.

///

/// Returns

/// -------

/// [SegmentRecord]

#[staticmethod]

fn from_json(path: &str) -> Result<Vec<Self>, ParameterError> {

Ok(SegmentRecord::from_json(path)?

.into_iter()

.map(Self)

.collect())

}

#[getter]

fn get_identifier(&self) -> String {

self.0.identifier.clone()

}

#[setter]

fn set_identifier(&mut self, identifier: String) {

self.0.identifier = identifier;

}

#[getter]

fn get_molarweight(&self) -> f64 {

self.0.molarweight

}

#[setter]

fn set_molarweight(&mut self, molarweight: f64) {

self.0.molarweight = molarweight;

}

#[getter]

fn get_model_record(&self) -> $py_model_record {

$py_model_record(self.0.model_record.clone())

}

#[setter]

fn set_model_record(&mut self, model_record: $py_model_record) {

self.0.model_record = model_record.0;

}

fn __repr__(&self) -> PyResult<String> {

Ok(self.0.to_string())

}

}

impl_json_handling!(PySegmentRecord);

};

($parameter:ty, $py_parameter:ty, $py_model_record:ty) => {

impl_parameter!($parameter, $py_parameter, $py_model_record, PyNoBinaryModelRecord);

};

($parameter:ty, $py_parameter:ty, $py_model_record:ty, $py_binary_model_record:ty) => {

#[pymethods]

impl $py_parameter {

/// Creates parameters from records.

///

/// Parameters

/// ----------

/// pure_records : [PureRecord]

/// A list of pure component parameters.

/// binary_records : numpy.ndarray[float] or List[BinaryRecord], optional

/// A matrix of binary interaction parameters or a list

/// containing records for binary interactions.

/// identifier_option : IdentifierOption, optional, defaults to IdentifierOption.Name

/// Identifier that is used to search binary records.

#[staticmethod]

#[pyo3(

signature = (pure_records, binary_records=None, identifier_option=IdentifierOption::Name),

text_signature = "(pure_records, binary_records=None, identifier_option=None)"

)]

fn from_records(

pure_records: Vec<PyPureRecord>,

binary_records: Option<&PyAny>,

identifier_option: IdentifierOption,

) -> PyResult<Self> {

let prs = pure_records.into_iter().map(|pr| pr.0).collect();

let binary_records = binary_records

.map(|binary_records| {

if let Ok(br) = binary_records.extract::<PyReadonlyArray2<f64>>() {

Ok(Some(br.to_owned_array().mapv(|r| r.try_into().unwrap())))

} else if let Ok(br) = binary_records.extract::<Vec<PyBinaryRecord>>() {

let brs: Vec<_> = br.into_iter().map(|br| br.0).collect();

Ok(<$parameter>::binary_matrix_from_records(

&prs,

&brs,

identifier_option,

))

} else {

Err(PyErr::new::<PyTypeError, _>(format!(

"Could not parse binary input!"

)))

}

})

.transpose()?

.flatten();

Ok(Self(Arc::new(Parameter::from_records(prs, binary_records)?)))

}

/// Creates parameters for a pure component from a pure record.

///

/// Parameters

/// ----------

/// pure_record : PureRecord

/// The pure component parameters.

#[staticmethod]

fn new_pure(pure_record: PyPureRecord) -> PyResult<Self> {

Ok(Self(Arc::new(<$parameter>::new_pure(pure_record.0)?)))

}

/// Creates parameters for a binary system from pure records and an optional

/// binary interaction parameter or binary interaction parameter record.

///

/// Parameters

/// ----------

/// pure_records : [PureRecord]

/// A list of pure component parameters.

/// binary_record : float or BinaryRecord, optional

/// The binary interaction parameter or binary interaction record.

#[staticmethod]

#[pyo3(text_signature = "(pure_records, binary_record=None)")]

fn new_binary(

pure_records: Vec<PyPureRecord>,

binary_record: Option<&PyAny>,

) -> PyResult<Self> {

let prs = pure_records.into_iter().map(|pr| pr.0).collect();

let br = binary_record

.map(|br| {

if let Ok(r) = br.extract::<f64>() {

Ok(r.try_into()?)

} else if let Ok(r) = br.extract::<$py_binary_model_record>() {

Ok(r.into())

} else {

Err(PyErr::new::<PyTypeError, _>(format!(

"Could not parse binary input!"

)))

}

})

.transpose()?;

Ok(Self(Arc::new(<$parameter>::new_binary(prs, br)?)))

}

/// Creates parameters from model records with default values for the molar weight,

/// identifiers, and binary interaction parameters.

///

/// Parameters

/// ----------

/// model_records : [ModelRecord]

/// A list of model parameters.

#[staticmethod]

fn from_model_records(model_records: Vec<$py_model_record>) -> PyResult<Self> {

let mrs = model_records.into_iter().map(|mr| mr.0).collect();

Ok(Self(Arc::new(<$parameter>::from_model_records(mrs)?)))

}

/// Creates parameters from json files.

///

/// Parameters

/// ----------

/// substances : List[str]

/// The substances to search.

/// pure_path : str

/// Path to file containing pure substance parameters.

/// binary_path : str, optional

/// Path to file containing binary substance parameters.

/// identifier_option : IdentifierOption, optional, defaults to IdentifierOption.Name

/// Identifier that is used to search substance.

#[staticmethod]

#[pyo3(

signature = (substances, pure_path, binary_path=None, identifier_option=IdentifierOption::Name),

text_signature = "(substances, pure_path, binary_path=None, identifier_option)"

)]

fn from_json(

substances: Vec<&str>,

pure_path: String,

binary_path: Option<String>,

identifier_option: IdentifierOption,

) -> Result<Self, ParameterError> {

Ok(Self(Arc::new(<$parameter>::from_json(

substances,

pure_path,

binary_path,

identifier_option,

)?)))

}

/// Creates parameters from json files.

///

/// Parameters

/// ----------

/// input : List[Tuple[List[str], str]]

/// The substances to search and their respective parameter files.

/// E.g. [(["methane", "propane"], "parameters/alkanes.json"), (["methanol"], "parameters/alcohols.json")]

/// binary_path : str, optional

/// Path to file containing binary substance parameters.

/// identifier_option : IdentifierOption, optional, defaults to IdentifierOption.Name

/// Identifier that is used to search substance.

#[staticmethod]

#[pyo3(

signature = (input, binary_path=None, identifier_option=IdentifierOption::Name),

text_signature = "(input, binary_path=None, identifier_option)"

)]

fn from_multiple_json(

input: Vec<(Vec<&str>, &str)>,

binary_path: Option<&str>,

identifier_option: Option<IdentifierOption>,

) -> Result<Self, ParameterError> {

Ok(Self(Arc::new(<$parameter>::from_multiple_json(

&input,

binary_path,

identifier_option.unwrap_or(IdentifierOption::Name),

)?)))

}

#[getter]

fn get_pure_records(&self) -> Vec<PyPureRecord> {

self.0

.records()

.0

.iter()

.map(|r| PyPureRecord(r.clone()))

.collect()

}

#[getter]

fn get_binary_records<'py>(&self, py: Python<'py>) -> Option<&'py PyArray2<f64>> {

self.0

.records()

.1

.map(|r| r.mapv(|r| f64::try_from(r).unwrap()).view().to_pyarray(py))

}

}

};

($parameter:ty, $py_parameter:ty) => {

#[pymethods]

impl $py_parameter {

/// Creates parameters from segment records.

///

/// Parameters

/// ----------

/// chemical_records : [ChemicalRecord]

/// A list of pure component chemical records.

/// segment_records : [SegmentRecord]

/// A list of records containing the parameters of

/// all individual segments.

/// binary_segment_records : [BinarySegmentRecord], optional

/// A list of binary segment-segment parameters.

#[staticmethod]

#[pyo3(text_signature = "(chemical_records, segment_records, binary_segment_records=None)")]

fn from_segments(

chemical_records: Vec<PyChemicalRecord>,

segment_records: Vec<PySegmentRecord>,

binary_segment_records: Option<Vec<PyBinarySegmentRecord>>,

) -> PyResult<Self> {

Ok(Self(Arc::new(<$parameter>::from_segments(

chemical_records.into_iter().map(|cr| cr.0).collect(),

segment_records.into_iter().map(|sr| sr.0).collect(),

binary_segment_records.map(|r| r.into_iter().map(|r| BinaryRecord{id1:r.0.id1,id2:r.0.id2,model_record:r.0.model_record.into()}).collect()),

)?)))

}

/// Creates parameters using segments from json file.

///

/// Parameters

/// ----------

/// substances : List[str]

/// The substances to search.

/// pure_path : str

/// Path to file containing pure substance parameters.

/// segments_path : str

/// Path to file containing segment parameters.

/// binary_path : str, optional

/// Path to file containing binary segment-segment parameters.

/// identifier_option : IdentifierOption, optional, defaults to IdentifierOption.Name

/// Identifier that is used to search substance.

#[staticmethod]

#[pyo3(

signature = (substances, pure_path, segments_path, binary_path=None, identifier_option=IdentifierOption::Name),

text_signature = "(substances, pure_path, segments_path, binary_path=None, identifier_option)"

)]

fn from_json_segments(

substances: Vec<&str>,

pure_path: String,

segments_path: String,

binary_path: Option<String>,

identifier_option: IdentifierOption,

) -> PyResult<Self> {

Ok(Self(Arc::new(<$parameter>::from_json_segments(

&substances,

pure_path,

segments_path,

binary_path,

identifier_option,

)?)))

}

/// Creates parameters from SMILES and segment records.

///

/// Requires an installation of rdkit.

///

/// Parameters

/// ----------

/// identifier : [str | Identifier]

/// A list of SMILES codes or [Identifier] objects.

/// smarts_records : [SmartsRecord]

/// A list of records containing the SMARTS codes used

/// to fragment the molecule.

/// segment_records : [SegmentRecord]

/// A list of records containing the parameters of

/// all individual segments.

/// binary_segment_records : [BinarySegmentRecord], optional

/// A list of binary segment-segment parameters.

#[staticmethod]

#[pyo3(text_signature = "(identifier, smarts_records, segment_records, binary_segment_records=None)")]

fn from_smiles(

py: Python<'_>,

identifier: Vec<&PyAny>,

smarts_records: Vec<PySmartsRecord>,

segment_records: Vec<PySegmentRecord>,

binary_segment_records: Option<Vec<PyBinarySegmentRecord>>,

) -> PyResult<Self> {

let chemical_records: Vec<_> = identifier

.into_iter()

.map(|i| PyChemicalRecord::from_smiles(py, i, smarts_records.clone()))

.collect::<PyResult<_>>()?;

Self::from_segments(chemical_records, segment_records, binary_segment_records)

}

/// Creates parameters from SMILES using segments from json file.

///

/// Requires an installation of rdkit.

///

/// Parameters

/// ----------

/// identifier : [str | Identifier]

/// A list of SMILES codes or [Identifier] objects.

/// smarts_path : str

/// Path to file containing SMARTS records.

/// segments_path : str

/// Path to file containing segment parameters.

/// binary_path : str, optional

/// Path to file containing binary segment-segment parameters.

#[staticmethod]

#[pyo3(

signature = (identifier, smarts_path, segments_path, binary_path=None),

text_signature = "(identifier, smarts_path, segments_path, binary_path=None)"

)]

fn from_json_smiles(

py: Python<'_>,

identifier: Vec<&PyAny>,

smarts_path: String,

segments_path: String,

binary_path: Option<String>,

) -> PyResult<Self> {

let smarts_records = PySmartsRecord::from_json(&smarts_path)?;

let segment_records = PySegmentRecord::from_json(&segments_path)?;

let binary_segment_records = binary_path.map(|p| PyBinarySegmentRecord::from_json(&p)).transpose()?;

Self::from_smiles(

py,

identifier,

smarts_records,

segment_records,

binary_segment_records,

)

}

}

};

($py_parameter:ty) => {

#[pymethods]

impl $py_parameter {

/// Creates record from json string.

#[staticmethod]

fn from_json_str(json: &str) -> Result<Self, ParameterError> {

Ok(Self(serde_json::from_str(json)?))

}

/// Creates a json string from record.

fn to_json_str(&self) -> Result<String, ParameterError> {

Ok(serde_json::to_string(&self.0)?)

}

}

};