automatic glob of propagations

src/scgenerator/spectra.py

@@ -15,6 +15,7 @@ from scgenerator.io import (
     MemoryIOHandler,
     PropagationIOHandler,
     ZipFileIOHandler,
+    logical_sort_key,
     unique_name,
 )
 from scgenerator.logger import get_logger
@@ -359,7 +360,9 @@ def propagation(
 
 
 def propagation_series(
-    files: Sequence[os.PathLike], index: int | slice | None = None, progress_bar: bool = False
+    files: Sequence[os.PathLike] | os.PathLike,
+    index: int | slice | None = None,
+    progress_bar: bool = False,
 ) -> tuple[Spectrum, PropagationCollection]:
     """
     loads an existing sequence of propagation
@@ -379,6 +382,8 @@ def propagation_series(
     PropagationCollection
         convenient object to work with multiple propagations **built on the same grid**
     """
+    if isinstance(files, str) or not isinstance(files, Sequence):
+        files = sorted(Path(files).glob("*.zip"), key=logical_sort_key)
     if len(files) == 0:
         raise ValueError("You must provide at least one file to build a propagation series")