👷🏻‍♀️ make sources something to configure

config.py.example

@@ -18,6 +18,7 @@ def mp3_sources(data_dir, pattern, kbits):
         length = timedelta(minutes=size / (1000*kbits/8) / 60)
         return length
 
+    def get_sources():
         # Get a sorted list of all source files with start time and length
         sources = []
         for fn in os.listdir(data_dir):
@@ -29,6 +30,8 @@ def mp3_sources(data_dir, pattern, kbits):
                 pass
         return sources
 
+    return get_sources
+
 
 class Config:
     SECRET_KEY = os.environ.get('SECRET_KEY') or \
@@ -43,7 +46,7 @@ class Config:
 
     # Here's the interesting part: configuring the source.
     #
-    # We need to return a list of dicts of source files with metadata, e.g.
+    # We need to return a function that returns a list of dicts of source files with metadata, e.g.
     # [ {"fn": "/path/to/foo-20:01.mp3", "start_time": datetime(...), "length": timedelta(hours=1)} ]
 
     data_dir   = os.environ.get('DATA_DIR') or '/var/tmp/prolefeeder-test-data'

prolefeeder.py

@@ -87,8 +87,7 @@ def prepare_download(form):
     """Prepare a download given the user's request form"""
 
     # Get a sorted list of all source files with start time and length
-    sources = sorted(Config.SOURCES, key=lambda s: s['start_time'])
-    print(sources)
+    sources = sorted(Config.SOURCES(), key=lambda s: s['start_time'])
 
     # Only interested in the source files from the start file
     start_index = None