Remove too verbose debug logs, implement repr() for KeyCache

lacre/keyring.py

@@ -60,6 +60,11 @@ class KeyCache:
         """Check if cache contains a key assigned to the given email."""
         return email in self._keys.values()
 
+    def __repr__(self):
+        """Return text representation of this object."""
+        details = ' '.join(self._keys.keys())
+        return f'<KeyCache {details}>'
+
 
 class KeyRing:
     """A high-level adapter for GnuPG-maintained keyring directory.

lacre/mailgate.py

@@ -189,9 +189,7 @@ def _identify_gpg_recipients(recipients, keys: kcache.KeyCache):
 
     # GnuPG keys found in our keyring.
 
-    LOG.info(f'Processisng recipients: {recipients!r}; keys: {keys!r}')
     for to in recipients:
-        LOG.info(f"At to={to!r}")
         own_key = _try_configured_key(to, keys)
         if own_key is not None:
             gpg_to.append(GpgRecipient(own_key[0], own_key[1]))