fix saving from GUI

tabulous/__init__.py

@@ -1,4 +1,4 @@
-__version__ = "0.5.5"
+__version__ = "0.5.6.dev0"
 
 from tabulous.widgets import TableViewer, TableViewerWidget
 from tabulous.core import (

tabulous/_io.py

@@ -1,10 +1,8 @@
 from __future__ import annotations
 
-from typing import Union, TYPE_CHECKING
+from typing import Union
 from pathlib import Path
-
-if TYPE_CHECKING:
-    import pandas as pd
+import pandas as pd
 
 PathLike = Union[str, Path, bytes]
 
@@ -38,14 +36,19 @@ def save_file(path: PathLike, df: pd.DataFrame) -> None:
     """Save current table."""
     path = Path(path)
     suf = path.suffix
+    # if index is not edited, do not save it
+    index = type(df.index) is not pd.RangeIndex
+
     if suf in (".csv", ".txt", ".dat"):
-        df.to_csv(path)
+        df.to_csv(path, index=index)
+    elif suf in (".tsv",):
+        df.to_csv(path, sep="\t", index=index)
     elif suf in (".xlsx", ".xls", "xml"):
-        df.to_excel(path)
+        df.to_excel(path, index=index)
     elif suf in (".html",):
-        df.to_html(path)
+        df.to_html(path, index=index)
     elif suf in (".parquet", ".pq"):
-        df.to_parquet(path)
+        df.to_parquet(path, index=index)
     else:
         raise ValueError(f"Extension {suf} not supported.")
 

tabulous/commands/file.py

@@ -34,7 +34,16 @@ def open_spreadsheet(viewer: TableViewerBase):
 def save_table(viewer: TableViewerBase):
     """Save current table data"""
     if table := viewer.current_table:
-        path = viewer.history_manager.openFileDialog(mode="w", caption="Save table")
+        path = viewer.history_manager.openFileDialog(
+            mode="w",
+            caption="Save table",
+            filter=(
+                "Text (*.csv; *.tsv; *.txt);;"
+                "Excel (*.xlsx; *.xls);;"
+                "HTML (*.html; *.htm);;"
+                "All files (*.*)"
+            ),
+        )
         if path:
             table.save(path)
     return None