Exit with better error if no files found

Author: hugovk

src/stravavis/cli.py

@@ -1,5 +1,7 @@
 import argparse
+import glob
 import os.path
+import sys
 
 
 def main():
@@ -87,6 +89,10 @@ def main():
     if os.path.isdir(args.path):
         args.path = os.path.join(args.path, "*")
 
+    filenames = glob.glob(args.path)
+    if not filenames:
+        sys.exit(f"No files found matching {args.path}")
+
     if args.bbox:
         # Convert comma-separated string into floats
         args.lon_min, args.lat_min, args.lon_max, args.lat_max = (
@@ -108,7 +114,7 @@ def main():
     from .process_data import process_data
 
     print("Processing data...")
-    df = process_data(args.path)
+    df = process_data(filenames)
 
     activities = None
     if args.activities_path:

src/stravavis/process_data.py

@@ -1,4 +1,3 @@
-import glob
 import math
 from multiprocessing import Pool
 
@@ -101,10 +100,8 @@ def process_fit(fitfile):
 
 
 # Function for processing (unzipped) GPX and FIT files in a directory (path)
-def process_data(path):
+def process_data(filenames: list[str]) -> pd.DataFrame:
     # Process all files (GPX or FIT)
-    filenames = glob.glob(path)
-
     with Pool() as pool:
         try:
             it = pool.imap_unordered(process_file, filenames)