Source code for peptacular.sequence.mass_funcs

from collections import Counter
from collections.abc import Sequence
from typing import overload

from tacular import ElementInfo, IonType

from ..annotation import ProFormaAnnotation
from ..annotation.annotation import (
    CHARGE_TYPE,
    CUSTOM_LOSS_TYPE,
    ION_TYPE,
    ISOTOPE_TYPE,
)
from ..constants import (
    parallelMethod,
    parallelMethodLiteral,
)
from .parallel import parallel_apply_internal
from .util import get_annotation_input


def _mass_single(
    sequence: str | ProFormaAnnotation,
    ion_type: ION_TYPE,
    charge: CHARGE_TYPE | None,
    monoisotopic: bool,
    isotopes: ISOTOPE_TYPE | None,
    deltas: CUSTOM_LOSS_TYPE | None,
    calculate_with_composition: bool,
) -> float:
    annotation = get_annotation_input(sequence=sequence, copy=False)
    return annotation.mass(
        ion_type=ion_type,
        charge=charge,
        monoisotopic=monoisotopic,
        isotopes=isotopes,
        deltas=deltas,
        calculate_with_composition=calculate_with_composition,
    )


@overload
def mass(
    sequence: str | ProFormaAnnotation,
    ion_type: ION_TYPE = IonType.PRECURSOR,
    charge: CHARGE_TYPE | None = None,
    monoisotopic: bool = True,
    isotopes: ISOTOPE_TYPE | None = None,
    deltas: CUSTOM_LOSS_TYPE | None = None,
    calculate_with_composition: bool = False,
    n_workers: None = None,
    chunksize: None = None,
    method: parallelMethod | parallelMethodLiteral | None = None,
) -> float: ...


@overload
def mass(
    sequence: Sequence[str | ProFormaAnnotation],
    ion_type: ION_TYPE = IonType.PRECURSOR,
    charge: CHARGE_TYPE | None = None,
    monoisotopic: bool = True,
    isotopes: ISOTOPE_TYPE | None = None,
    deltas: CUSTOM_LOSS_TYPE | None = None,
    calculate_with_composition: bool = False,
    n_workers: int | None = None,
    chunksize: int | None = None,
    method: parallelMethod | parallelMethodLiteral | None = None,
) -> list[float]: ...


[docs] def mass( sequence: str | ProFormaAnnotation | Sequence[str | ProFormaAnnotation], ion_type: ION_TYPE = IonType.PRECURSOR, charge: CHARGE_TYPE | None = None, monoisotopic: bool = True, isotopes: ISOTOPE_TYPE | None = None, deltas: CUSTOM_LOSS_TYPE | None = None, calculate_with_composition: bool = False, n_workers: int | None = None, chunksize: int | None = None, method: parallelMethod | parallelMethodLiteral | None = None, ) -> float | list[float]: """ Calculate the mass of an amino acid 'sequence'. """ if isinstance(sequence, Sequence) and not isinstance(sequence, str) and not isinstance(sequence, ProFormaAnnotation): return parallel_apply_internal( _mass_single, sequence, n_workers=n_workers, chunksize=chunksize, method=method, charge=charge, ion_type=ion_type, monoisotopic=monoisotopic, isotopes=isotopes, deltas=deltas, calculate_with_composition=calculate_with_composition, ) else: return _mass_single( sequence=sequence, charge=charge, ion_type=ion_type, monoisotopic=monoisotopic, isotopes=isotopes, deltas=deltas, calculate_with_composition=calculate_with_composition, )
def _mz_single( sequence: str | ProFormaAnnotation, ion_type: ION_TYPE, charge: CHARGE_TYPE | None, monoisotopic: bool, isotopes: ISOTOPE_TYPE | None, deltas: CUSTOM_LOSS_TYPE | None, calculate_with_composition: bool, ) -> float: annotation = get_annotation_input(sequence=sequence, copy=False) return annotation.mz( ion_type=ion_type, charge=charge, monoisotopic=monoisotopic, isotopes=isotopes, deltas=deltas, calculate_with_composition=calculate_with_composition, ) @overload def mz( sequence: str | ProFormaAnnotation, ion_type: ION_TYPE = IonType.PRECURSOR, charge: CHARGE_TYPE | None = None, monoisotopic: bool = True, isotopes: ISOTOPE_TYPE | None = None, deltas: CUSTOM_LOSS_TYPE | None = None, calculate_with_composition: bool = False, n_workers: None = None, chunksize: None = None, method: parallelMethod | parallelMethodLiteral | None = None, ) -> float: ... @overload def mz( sequence: Sequence[str | ProFormaAnnotation], ion_type: ION_TYPE = IonType.PRECURSOR, charge: CHARGE_TYPE | None = None, monoisotopic: bool = True, isotopes: ISOTOPE_TYPE | None = None, deltas: CUSTOM_LOSS_TYPE | None = None, calculate_with_composition: bool = False, n_workers: int | None = None, chunksize: int | None = None, method: parallelMethod | parallelMethodLiteral | None = None, ) -> list[float]: ...
[docs] def mz( sequence: str | ProFormaAnnotation | Sequence[str | ProFormaAnnotation], ion_type: ION_TYPE = IonType.PRECURSOR, charge: CHARGE_TYPE | None = None, monoisotopic: bool = True, isotopes: ISOTOPE_TYPE | None = None, deltas: CUSTOM_LOSS_TYPE | None = None, calculate_with_composition: bool = False, n_workers: int | None = None, chunksize: int | None = None, method: parallelMethod | parallelMethodLiteral | None = None, ) -> float | list[float]: """ Calculate the m/z (mass-to-charge ratio) of an amino acid 'sequence'. """ if isinstance(sequence, Sequence) and not isinstance(sequence, str) and not isinstance(sequence, ProFormaAnnotation): return parallel_apply_internal( _mz_single, sequence, n_workers=n_workers, chunksize=chunksize, method=method, charge=charge, ion_type=ion_type, monoisotopic=monoisotopic, isotopes=isotopes, deltas=deltas, calculate_with_composition=calculate_with_composition, ) else: return _mz_single( sequence=sequence, charge=charge, ion_type=ion_type, monoisotopic=monoisotopic, isotopes=isotopes, deltas=deltas, calculate_with_composition=calculate_with_composition, )
def _comp_single( sequence: str | ProFormaAnnotation, ion_type: ION_TYPE = IonType.PRECURSOR, charge: CHARGE_TYPE | None = None, isotopes: ISOTOPE_TYPE | None = None, deltas: CUSTOM_LOSS_TYPE | None = None, ) -> Counter[ElementInfo]: annotation = get_annotation_input(sequence=sequence, copy=True) return annotation.comp( ion_type=ion_type, charge=charge, isotopes=isotopes, deltas=deltas, ) @overload def comp( sequence: str | ProFormaAnnotation, ion_type: ION_TYPE = IonType.PRECURSOR, charge: CHARGE_TYPE | None = None, isotopes: ISOTOPE_TYPE | None = None, deltas: CUSTOM_LOSS_TYPE | None = None, n_workers: None = None, chunksize: None = None, method: parallelMethod | parallelMethodLiteral | None = None, ) -> Counter[ElementInfo]: ... @overload def comp( sequence: Sequence[str | ProFormaAnnotation], ion_type: ION_TYPE = IonType.PRECURSOR, charge: CHARGE_TYPE | None = None, isotopes: ISOTOPE_TYPE | None = None, deltas: CUSTOM_LOSS_TYPE | None = None, n_workers: int | None = None, chunksize: int | None = None, method: parallelMethod | parallelMethodLiteral | None = None, ) -> list[Counter[ElementInfo]]: ...
[docs] def comp( sequence: str | ProFormaAnnotation | Sequence[str | ProFormaAnnotation], ion_type: ION_TYPE = IonType.PRECURSOR, charge: CHARGE_TYPE | None = None, isotopes: ISOTOPE_TYPE | None = None, deltas: CUSTOM_LOSS_TYPE | None = None, n_workers: int | None = None, chunksize: int | None = None, method: parallelMethod | parallelMethodLiteral | None = None, ) -> Counter[ElementInfo] | list[Counter[ElementInfo]]: """ Calculates the elemental composition of a peptide sequence, including modifications. """ if isinstance(sequence, Sequence) and not isinstance(sequence, str) and not isinstance(sequence, ProFormaAnnotation): return parallel_apply_internal( _comp_single, sequence, n_workers=n_workers, chunksize=chunksize, method=method, ion_type=ion_type, charge=charge, isotopes=isotopes, deltas=deltas, ) else: return _comp_single( sequence=sequence, ion_type=ion_type, charge=charge, isotopes=isotopes, deltas=deltas, )