add file formats tag

klamath/basic.py

@@ -17,11 +17,6 @@ logger = logging.getLogger(__name__)
 class KlamathError(Exception):
     pass
 
-try:
-    from klamath_rs_ext import pack_int2, pack_int4
-    _USE_RS_EXT = True
-except ImportError:
-    _USE_RS_EXT = False
 
 #
 # Parse functions
@@ -98,14 +93,14 @@ def pack_bitarray(data: int) -> bytes:
     return struct.pack('>H', data)
 
 
-def _pack_int2(data: NDArray[numpy.integer] | Sequence[int] | int) -> bytes:
+def pack_int2(data: NDArray[numpy.integer] | Sequence[int] | int) -> bytes:
     arr = numpy.asarray(data)
     if (arr > 32767).any() or (arr < -32768).any():
         raise KlamathError(f'int2 data out of range: {arr}')
     return arr.astype('>i2').tobytes()
 
 
-def _pack_int4(data: NDArray[numpy.integer] | Sequence[int] | int) -> bytes:
+def pack_int4(data: NDArray[numpy.integer] | Sequence[int] | int) -> bytes:
     arr = numpy.asarray(data)
     if (arr > 2147483647).any() or (arr < -2147483648).any():
         raise KlamathError(f'int4 data out of range: {arr}')
@@ -194,9 +189,3 @@ def read(stream: IO[bytes], size: int) -> bytes:
     if len(data) != size:
         raise EOFError
     return data
-
-
-if not _USE_RS_EXT:
-    pack_int2 = _pack_int2
-    pack_int4 = _pack_int4
-

pyproject.toml

@@ -44,6 +44,7 @@ classifiers = [
     "Intended Audience :: Science/Research",
     "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
     "Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)",
+    "Topic :: File Formats",
     ]
 requires-python = ">=3.11"
 include = [
@@ -54,6 +55,11 @@ dependencies = [
     "numpy>=1.26",
     ]
 
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+
 [tool.hatch.version]
 path = "klamath/__init__.py"