Source code for mp_api.client.routes.materials.tasks

from __future__ import annotations

from datetime import datetime

from emmet.core.tasks import TaskDoc

from mp_api.client.core import BaseRester, MPRestError
from mp_api.client.core.utils import validate_ids


[docs] class TaskRester(BaseRester[TaskDoc]): suffix = "materials/tasks" document_model = TaskDoc # type: ignore primary_key = "task_id"
[docs] def get_trajectory(self, task_id): """Returns a Trajectory object containing the geometry of the material throughout a calculation. This is most useful for observing how a material relaxes during a geometry optimization. Args: task_id (str): Task ID """ traj_data = self._query_resource_data( {"task_ids": [task_id]}, suburl="trajectory/", use_document_model=False )[0].get( "trajectories", None ) # type: ignore if traj_data is None: raise MPRestError(f"No trajectory data for {task_id} found") return traj_data
[docs] def search( self, task_ids: str | list[str] | None = None, elements: list[str] | None = None, exclude_elements: list[str] | None = None, formula: str | list[str] | None = None, last_updated: tuple[datetime, datetime] | None = None, num_chunks: int | None = None, chunk_size: int = 1000, all_fields: bool = True, fields: list[str] | None = None, ) -> list[TaskDoc] | list[dict]: """Query core task docs using a variety of search criteria. Arguments: task_ids (str, List[str]): List of Materials Project IDs to return data for. elements (List[str]): A list of elements. exclude_elements (List[str]): A list of elements to exclude. formula (str, List[str]): A formula including anonymized formula or wild cards (e.g., Fe2O3, ABO3, Si*). A list of chemical formulas can also be passed (e.g., [Fe2O3, ABO3]). last_updated (tuple[datetime, datetime]): A tuple of min and max UTC formatted datetimes. num_chunks (int): Maximum number of chunks of data to yield. None will yield all possible. chunk_size (int): Number of data entries per chunk. Max size is 100. all_fields (bool): Whether to return all fields in the document. Defaults to True. fields (List[str]): List of fields in TaskDoc to return data for. Default is material_id, last_updated, and formula_pretty if all_fields is False. Returns: ([TaskDoc], [dict]) List of task documents or dictionaries. """ query_params = {} # type: dict if task_ids: if isinstance(task_ids, str): task_ids = [task_ids] query_params.update({"task_ids": ",".join(validate_ids(task_ids))}) if formula: query_params.update({"formula": formula}) if elements: query_params.update({"elements": ",".join(elements)}) if exclude_elements: query_params.update({"exclude_elements": ",".join(exclude_elements)}) if last_updated: query_params.update( { "last_updated_min": last_updated[0], "last_updated_max": last_updated[1], } ) return super()._search( num_chunks=num_chunks, chunk_size=chunk_size, all_fields=all_fields, fields=fields, **query_params, )