Update mutt config

mutt/filter.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+import re
+import sys
+
+# Read data from stdin
+data = sys.stdin.read()
+
+# Remove unwanted text
+data = re.sub(r'\[-- Autoview.*--\]', '', data)
+data = re.sub(r'\[-- Attachment #[0-9] --\]', '', data)
+data = re.sub(r'\[cid\]', '', data)
+data = re.sub(r'\[-- application.*unsupported.*--\]', '', data)
+data = re.sub(r'\[-- image.*unsupported.*--\]', '', data)
+data = re.sub(r'\[-- Type.*--\]', '', data)
+
+# replace text for signed and encrypted email
+data = re.sub(r'\[-- OpenSSL.*\nVerification successful\n.*',
+               '[-- Signed Email: Verification successful --]', data)
+data = re.sub(r'\[-- The following data is S/MIME encrypted --\]',
+               '[-- Encrypted Email: S/MIME --]', data)
+data = re.sub(r'\[-- The following data is signed --\]', '', data)
+data = re.sub(r'\[-- End of signed data --\]', '', data)
+data = re.sub(r'\[-- End of S/MIME encrypted data. --\]', '', data)
+
+# Add line for quoted email
+data = re.sub(r'(?<=\n)(From:.*)', '_'*80 + r'\n\1', data)
+
+# clean up multiple blanks lines
+data = re.sub(r'.*\n', '', data)
+data = re.sub(r'\n\s*\n', r'\n\n', data)
+
+# Output filtered text to stdout
+sys.stdout.write(data)