Remove pybtex and unimplemented code stubs

pyproject.toml

@@ -24,7 +24,6 @@ dependencies = [
     "pyyaml~=6.0",
     "pymatgen>=2023.9",
     "pandas >= 1.5, < 3",
-    "pybtex~=0.24",
     "tqdm~=4.65",
     "requests~=2.31",
     "numpy >= 1.22, < 3",

src/optimade_maker/parsers.py

@@ -3,7 +3,6 @@
 
 import ase.io
 import pandas
-import pybtex.database
 import pymatgen.core
 import pymatgen.entries.computed_entries
 from optimade.adapters import Structure
@@ -13,10 +12,6 @@
 from optimade_maker.config import PropertyDefinition
 
 
-def pybtex_to_optimade(bib_entry: Any, properties=None) -> EntryResource:
-    raise NotImplementedError
-
-
 def load_csv_file(
     p: Path,
     properties: list[PropertyDefinition] | None = None,
@@ -118,7 +113,6 @@ def _wrapped_json_parser(path: Path) -> Any:
         ),
         wrapped_json_parser(pymatgen.core.Structure.from_dict),
     ],
-    "references": [pybtex.database.parse_file],
 }
 
 
@@ -159,5 +153,4 @@ def structure_ingest_wrapper(entry, properties=None):  # type: ignore
     str, list[Callable[[Any, list[PropertyDefinition] | None], EntryResource | dict]]
 ] = {
     "structures": [structure_ingest_wrapper, parse_computed_structure_entry],
-    "references": [pybtex_to_optimade],
 }