Fix all ruff DOC202 (materialsproject#4067)

* fix all ruff DOC202

https://docs.astral.sh/ruff/rules/docstring-extraneous-returns/

* doc str format: "list[...]: List of ..." -> "list[...]: ..."

Author: janosh

pyproject.toml

@@ -165,10 +165,6 @@ include = ["pymatgen", "pymatgen.*"]
 lint = ["mypy>=1.10.0", "pre-commit>=3.7.1", "ruff>=0.4.9"]
 test = ["pytest-cov>=5.0.0", "pytest-split>=0.9.0", "pytest>=8.2.2"]
 
-[tool.versioningit.vcs]
-method = "git"
-default-tag = "0.0.1"
-
 [tool.cibuildwheel.linux]
 archs = ["auto64"]
 skip = ["*musllinux*"]

src/pymatgen/alchemy/filters.py

@@ -214,16 +214,21 @@ def get_spg_num(struct: Structure) -> int:
 class RemoveExistingFilter(AbstractStructureFilter):
     """This filter removes structures existing in a given list from the transmuter."""
 
-    def __init__(self, existing_structures, structure_matcher=None, symprec=None):
+    def __init__(
+        self,
+        existing_structures: list[Structure],
+        structure_matcher: dict | StructureMatcher | None = None,
+        symprec: float | None = None,
+    ) -> None:
         """Remove existing structures based on the structure matcher
         and symmetry (if symprec is given).
 
         Args:
-            existing_structures: List of existing structures to compare with
-            structure_matcher: Provides a structure matcher to be used for
+            existing_structures (list[Structure]): Existing structures to compare with.
+            structure_matcher (dict | StructureMatcher, optional): Will be used for
                 structure comparison.
-            symprec: The precision in the symmetry finder algorithm if None (
-                default value), no symmetry check is performed and only the
+            symprec (float | None): The precision in the symmetry finder algorithm.
+                If None (default value), no symmetry check is performed and only the
                 structure matcher is used. A recommended value is 1e-5.
         """
         self.symprec = symprec
@@ -241,15 +246,15 @@ def get_sg(s):
             finder = SpacegroupAnalyzer(s, symprec=self.symprec)
             return finder.get_space_group_number()
 
-        for s in self.existing_structures:
+        for struct in self.existing_structures:
             if (
                 (
                     self.structure_matcher._comparator.get_hash(structure.composition)
-                    == self.structure_matcher._comparator.get_hash(s.composition)
+                    == self.structure_matcher._comparator.get_hash(struct.composition)
                     and self.symprec is None
                 )
-                or get_sg(s) == get_sg(structure)
-            ) and self.structure_matcher.fit(s, structure):
+                or get_sg(struct) == get_sg(structure)
+            ) and self.structure_matcher.fit(struct, structure):
                 return False
 
         self.structure_list.append(structure)

src/pymatgen/alchemy/materials.py

@@ -47,7 +47,7 @@ def __init__(
 
         Args:
             structure (Structure): Input structure
-            transformations (list[Transformation]): List of transformations to apply.
+            transformations (list[Transformation]): Transformations to apply.
             history (list[Transformation]): Previous history.
             other_parameters (dict): Additional parameters to be added.
         """
@@ -355,7 +355,7 @@ def to_snl(self, authors: list[str], **kwargs) -> StructureNL:
         """Generate a StructureNL from TransformedStructure.
 
         Args:
-            authors (List[str]): List of authors contributing to the generated StructureNL.
+            authors (List[str]): Authors contributing to the generated StructureNL.
             **kwargs (Any): All kwargs supported by StructureNL.
 
         Returns:

src/pymatgen/alchemy/transmuters.py

@@ -37,7 +37,7 @@ class StandardTransmuter:
     transformations on many structures to generate TransformedStructures.
 
     Attributes:
-        transformed_structures (list[Structure]): List of all transformed structures.
+        transformed_structures (list[Structure]): All transformed structures.
     """
 
     def __init__(
@@ -262,7 +262,7 @@ def from_filenames(cls, filenames, transformations=None, primitive=True, extend_
         containing multiple structures.
 
         Args:
-            filenames: List of strings of the CIF files
+            filenames (list[str]): The CIF file paths.
             transformations: New transformations to be applied to all
                 structures
             primitive: Same meaning as in __init__.
@@ -286,7 +286,7 @@ class PoscarTransmuter(StandardTransmuter):
     def __init__(self, poscar_string, transformations=None, extend_collection=False):
         """
         Args:
-            poscar_string: List of POSCAR strings
+            poscar_string (list[str]): POSCAR strings.
             transformations: New transformations to be applied to all
                 structures.
             extend_collection: Whether to use more than one output structure
@@ -301,7 +301,7 @@ def from_filenames(cls, poscar_filenames, transformations=None, extend_collectio
         POSCAR filenames.
 
         Args:
-            poscar_filenames: List of POSCAR filenames
+            poscar_filenames (list[str]): The POSCAR file paths.
             transformations: New transformations to be applied to all
                 structures.
             extend_collection:

src/pymatgen/analysis/adsorption.py

@@ -348,8 +348,8 @@ def ensemble_center(cls, site_list, indices, cartesian=True):
         sites. Helper method for the find_adsorption_sites algorithm.
 
         Args:
-            site_list (list of sites): list of sites
-            indices (list of ints): list of ints from which to select
+            site_list (list[Site]): sites from which to select
+            indices (list[int]): indices of sites from which to select
                 sites from site list
             cartesian (bool): whether to get average fractional or
                 Cartesian coordinate
@@ -543,7 +543,7 @@ def generate_substitution_structures(
             atom (str): atom corresponding to substitutional dopant
             sub_both_sides (bool): If true, substitute an equivalent
                 site on the other surface
-            target_species (list): List of specific species to substitute
+            target_species (list): Specific species to substitute
             range_tol (float): Find viable substitution sites at a specific
                 distance from the surface +- this tolerance
             dist_from_surf (float): Distance from the surface to find viable

src/pymatgen/analysis/bond_valence.py

@@ -460,18 +460,18 @@ def get_z_ordered_elmap(comp):
     return sorted((elem, comp[elem]) for elem in comp)
 
 
-def add_oxidation_state_by_site_fraction(structure, oxidation_states):
+def add_oxidation_state_by_site_fraction(structure: Structure, oxidation_states: list[list[int]]) -> Structure:
     """
     Add oxidation states to a structure by fractional site.
 
     Args:
-        oxidation_states (list): List of list of oxidation states for each
+        oxidation_states (list[list[int]]): List of list of oxidation states for each
             site fraction for each site.
             e.g. [[2, 4], [3], [-2], [-2], [-2]]
     """
     try:
         for idx, site in enumerate(structure):
-            new_sp = defaultdict(float)
+            new_sp: dict[Species, float] = defaultdict(float)
             for j, (el, occu) in enumerate(get_z_ordered_elmap(site.species)):
                 specie = Species(el.symbol, oxidation_states[idx][j])
                 new_sp[specie] += occu

src/pymatgen/analysis/chemenv/connectivity/connected_components.py

@@ -211,9 +211,6 @@ def __init__(
             environments_data: Data of environment nodes.
             links_data: Data of links between environment nodes.
             graph: Graph of the connected component.
-
-        Returns:
-            ConnectedComponent: Instance of this class
         """
         self._periodicity_vectors: list[list] | None = None
         self._primitive_reduced_connected_subgraph = None

src/pymatgen/analysis/chemenv/coordination_environments/voronoi.py

@@ -563,14 +563,14 @@ def maps_and_surfaces(
         maps_and_surfaces = []
         for cn, value in self._unique_coordinated_neighbors_parameters_indices[isite].items():
             for imap, list_parameters_indices in enumerate(value):
-                thissurf = 0.0
+                this_surf = 0.0
                 for idp, iap, iacb in list_parameters_indices:
                     if iacb in additional_conditions:
-                        thissurf += surfaces[idp, iap]
+                        this_surf += surfaces[idp, iap]
                 maps_and_surfaces.append(
                     {
                         "map": (cn, imap),
-                        "surface": thissurf,
+                        "surface": this_surf,
                         "parameters_indices": list_parameters_indices,
                     }
                 )
@@ -596,14 +596,14 @@ def maps_and_surfaces_bounded(self, isite, surface_calculation_options=None, add
         maps_and_surfaces = []
         for cn, value in self._unique_coordinated_neighbors_parameters_indices[isite].items():
             for imap, list_parameters_indices in enumerate(value):
-                thissurf = 0.0
+                this_surf = 0.0
                 for idp, iap, iacb in list_parameters_indices:
                     if iacb in additional_conditions:
-                        thissurf += surfaces[idp, iap]
+                        this_surf += surfaces[idp, iap]
                 maps_and_surfaces.append(
                     {
                         "map": (cn, imap),
-                        "surface": thissurf,
+                        "surface": this_surf,
                         "parameters_indices": list_parameters_indices,
                     }
                 )

src/pymatgen/analysis/interfaces/zsl.py

@@ -108,7 +108,7 @@ def __init__(
         self.max_angle_tol = max_angle_tol
         self.bidirectional = bidirectional
 
-    def generate_sl_transformation_sets(self, film_area, substrate_area):
+    def generate_sl_transformation_sets(self, film_area: int, substrate_area: int) -> Iterator[tuple]:
         """Generate transformation sets for film/substrate pair given the
         area of the unit cell area for the film and substrate. The
         transformation sets map the film and substrate unit cells to super
@@ -118,7 +118,7 @@ def generate_sl_transformation_sets(self, film_area, substrate_area):
             film_area (int): the unit cell area for the film
             substrate_area (int): the unit cell area for the substrate
 
-        Returns:
+        Yields:
             transformation_sets: a set of transformation_sets defined as:
                 1.) the transformation matrices for the film to create a
                 super lattice of area i*film area

src/pymatgen/analysis/piezo_sensitivity.py

@@ -178,25 +178,24 @@ def __init__(self, structure: Structure, ist, pointops, tol: float = 1e-3):
         self.structure = structure
         self.ist = ist
         self.pointops = pointops
-        self.IST_operations = None
+        self.IST_operations: list[list[list]] = []
 
         obj = self.ist
         if not (obj - np.transpose(obj, (0, 1, 3, 2)) < tol).all():
             warnings.warn("Input internal strain tensor does not satisfy standard symmetries")
 
-    def get_IST_operations(self, opstol=1e-3):
+    def get_IST_operations(self, opstol=1e-3) -> list[list[list]]:
         """Get the symmetry operations which maps the tensors
         belonging to equivalent sites onto each other in the form
-        [site index 1, site index 2, [Symmops mapping from site
+        [site index 1, site index 2, [SymmOps mapping from site
         index 1 to site index 2]].
 
         Args:
             opstol (float): tolerance for determining if a symmetry
             operation relates two sites
 
         Returns:
-            list of symmetry operations mapping equivalent sites and
-            the indexes of those sites.
+            list[list[list]]: symmetry operations mapping equivalent sites and the indexes of those sites.
         """
         struct = self.structure
         ops = SpacegroupAnalyzer(struct).get_symmetry_operations(cartesian=True)
@@ -207,18 +206,19 @@ def get_IST_operations(self, opstol=1e-3):
                 if op not in uniq_point_ops:
                     uniq_point_ops.append(op)
 
-        IST_operations = []
-        for atom in range(len(self.ist)):
+        IST_operations: list[list[list]] = []
+        for atom_idx in range(len(self.ist)):
             IST_operations.append([])
-            for j in range(atom):
+            for j in range(atom_idx):
                 for op in uniq_point_ops:
                     new = op.transform_tensor(self.ist[j])
 
                     # Check the matrix it references
-                    if np.allclose(new, self.ist[atom], atol=opstol):
-                        IST_operations[atom].append([j, op])
+                    if np.allclose(new, self.ist[atom_idx], atol=opstol):
+                        IST_operations[atom_idx].append([j, op])
 
         self.IST_operations = IST_operations
+        return IST_operations
 
     def get_rand_IST(self, max_force=1):
         """Generate a random internal strain tensor which obeys a structure's