`Particle`

class openff.toolkit.topology.Particle[source]

Base class for all particles in a molecule.

A particle object could be an Atom or similar.

Warning

This API is experimental and subject to change.

__init__()

Methods

`__init__`()
`from_bson`(serialized)	Instantiate an object from a BSON serialized representation.
`from_dict`(d)	Static constructor from dictionary representation.
`from_json`(serialized)	Instantiate an object from a JSON serialized representation.
`from_messagepack`(serialized)	Instantiate an object from a MessagePack serialized representation.
`from_pickle`(serialized)	Instantiate an object from a pickle serialized representation.
`from_toml`(serialized)	Instantiate an object from a TOML serialized representation.
`from_xml`(serialized)	Instantiate an object from an XML serialized representation.
`from_yaml`(serialized)	Instantiate from a YAML serialized representation.
`to_bson`()	Return a BSON serialized representation.
`to_dict`()	Convert to dictionary representation.
`to_json`([indent])	Return a JSON serialized representation.
`to_messagepack`()	Return a MessagePack representation.
`to_pickle`()	Return a pickle serialized representation.
`to_toml`()	Return a TOML serialized representation.
`to_xml`([indent])	Return an XML representation.
`to_yaml`()	Return a YAML serialized representation.

Attributes

`molecule`	The `Molecule` this particle is part of.
`molecule_particle_index`	Returns the index of this particle in its molecule
`name`	The name of the particle

property molecule: FrozenMolecule: The Molecule this particle is part of.

property molecule_particle_index: int: Returns the index of this particle in its molecule

property name: str: The name of the particle

to_dict() → dict[source]: Convert to dictionary representation.

classmethod from_dict(d: dict) → P[source]: Static constructor from dictionary representation.

classmethod from_bson(serialized)

Instantiate an object from a BSON serialized representation.

Specification: http://bsonspec.org/

Parameters:: serialized – A BSON serialized representation of the object
Returns:: instance – An instantiated object

classmethod from_json(serialized: str)

Instantiate an object from a JSON serialized representation.

Specification: https://www.json.org/

Parameters:: serialized – A JSON serialized representation of the object
Returns:: instance – An instantiated object

classmethod from_messagepack(serialized)

Instantiate an object from a MessagePack serialized representation.

Specification: https://msgpack.org/index.html

Parameters:: serialized – A MessagePack-encoded bytes serialized representation
Returns:: instance – Instantiated object.

classmethod from_pickle(serialized)

Instantiate an object from a pickle serialized representation.

Warning

This is not recommended for safe, stable storage since the pickle specification may change between Python versions.

Parameters:: serialized – A pickled representation of the object
Returns:: instance – An instantiated object

classmethod from_toml(serialized)

Instantiate an object from a TOML serialized representation.

Specification: https://github.com/toml-lang/toml

Parameters:: serlialized – A TOML serialized representation of the object
Returns:: instance – An instantiated object

classmethod from_xml(serialized)

Instantiate an object from an XML serialized representation.

Specification: https://www.w3.org/XML/

Parameters:: serialized – An XML serialized representation
Returns:: instance – Instantiated object.

classmethod from_yaml(serialized)

Instantiate from a YAML serialized representation.

Specification: http://yaml.org/

Parameters:: serialized – A YAML serialized representation of the object
Returns:: instance – Instantiated object

to_bson()

Return a BSON serialized representation.

Specification: http://bsonspec.org/

Returns:: serialized – A BSON serialized representation of the objecft

to_json(indent=None) → str

Return a JSON serialized representation.

Specification: https://www.json.org/

Parameters:: indent – If not None, will pretty-print with specified number of spaces for indentation
Returns:: serialized – A JSON serialized representation of the object

to_messagepack()

Return a MessagePack representation.

Specification: https://msgpack.org/index.html

Returns:: serialized – A MessagePack-encoded bytes serialized representation of the object

to_pickle()

Return a pickle serialized representation.

Warning

This is not recommended for safe, stable storage since the pickle specification may change between Python versions.

Returns:: serialized – A pickled representation of the object

to_toml()

Return a TOML serialized representation.

Specification: https://github.com/toml-lang/toml

Returns:: serialized – A TOML serialized representation of the object

to_xml(indent=2)

Return an XML representation.

Specification: https://www.w3.org/XML/

Parameters:: indent – If not None, will pretty-print with specified number of spaces for indentation
Returns:: serialized – A MessagePack-encoded bytes serialized representation.

to_yaml()

Return a YAML serialized representation.

Specification: http://yaml.org/

Returns:: serialized – A YAML serialized representation of the object