read TOP text from file

generate.py

@@ -5,7 +5,7 @@ import email.header
 import email.utils
 import yaml
 import datetime
-import sys
+import sys, os
 import pypandoc
 import argparse
 import quopri
@@ -91,6 +91,12 @@ def conf2top(top):
     except KeyError:
         pass
 
+    if "file" in top:
+        try:
+            body = open(top["file"]).read()
+        except OSError as e:
+            print("Warning: Error opening", top["file"], file=sys.stderr)
+
     return Top(top["title"], sender, body, protostub)
 
 if __name__ == "__main__":
@@ -126,7 +132,7 @@ if __name__ == "__main__":
     mbox = mailbox.mbox(config["top_mbox_file"])
 
     current_date = next_weekday(datetime.date.today(), config["default_weekday"])
-    next_date = next_weekday(current_date, config["default_weekday"])
+    next_date = current_date + datetime.timedelta(days=7)
     last_date = last_weekday(current_date, config["default_weekday"])
 
     time = datetime.time.fromisoformat(config["default_time"])