Move future.no_silent_downcasting to cli.py

The rationale is to not force this global option on all users of the library. The main point for the fix is so that sssom-py's CLI print to stdout functionality is not compromised by this output!

src/sssom/__init__.py

@@ -2,8 +2,6 @@
 
 import importlib.metadata
 
-import pandas as pd
-
 try:
     __version__ = importlib.metadata.version(__name__)
 except importlib.metadata.PackageNotFoundError:
@@ -26,10 +24,3 @@
 )
 
 from .constants import generate_mapping_set_id, get_default_metadata  # noqa:401
-
-# Context https://github.com/pandas-dev/pandas/issues/57734
-try:
-    pd.set_option("future.no_silent_downcasting", True)
-except KeyError:
-    # Option does not exist in this version of pandas
-    pass

src/sssom/cli.py

@@ -54,6 +54,7 @@
     filter_redundant_rows,
     invert_mappings,
     merge_msdf,
+    pandas_set_no_silent_downcasting,
     reconcile_prefix_and_data,
     remove_unmatched,
     sort_df_rows_columns,
@@ -126,6 +127,9 @@
 def main(verbose: int, quiet: bool):
     """Run the SSSOM CLI."""
     logger = _logging.getLogger()
+
+    pandas_set_no_silent_downcasting()
+
     if verbose >= 2:
         logger.setLevel(level=_logging.DEBUG)
     elif verbose == 1:

src/sssom/util.py

@@ -1497,3 +1497,12 @@ def _safe_infer_objects(df):
         return df.infer_objects(copy=False)
     else:
         return df.infer_objects()
+
+
+def pandas_set_no_silent_downcasting(no_silent_downcasting=True):
+    """Set pandas future.no_silent_downcasting option. Context https://github.com/pandas-dev/pandas/issues/57734."""
+    try:
+        pd.set_option("future.no_silent_downcasting", no_silent_downcasting)
+    except KeyError:
+        # Option does not exist in this version of pandas
+        pass