Fix getting a short text from the SqlError

qutebrowser/browser/history.py

@@ -204,8 +204,7 @@ class WebHistory(sql.SqlTable):
                 }, replace=True)
         except sql.SqlError as e:
             if e.environmental:
-                message.error("Failed to write history: {}".format(
-                    e.error.databaseText()))
+                message.error("Failed to write history: {}".format(e.text()))
             else:
                 raise
 

qutebrowser/misc/sql.py

@@ -40,6 +40,10 @@ class SqlError(Exception):
         super().__init__(msg)
         self.environmental = environmental
 
+    def text(self):
+        """Get a short text to display."""
+        return str(self)
+
 
 class SqliteError(SqlError):
 
@@ -71,6 +75,9 @@ class SqliteError(SqlError):
         ]
         self.environmental = error.nativeErrorCode() in environmental_errors
 
+    def text(self):
+        return self.error.databaseText()
+
     @classmethod
     def from_query(cls, what, query, error):
         """Construct an error from a failed query.

tests/unit/misc/test_sql.py

@@ -29,8 +29,10 @@ pytestmark = pytest.mark.usefixtures('init_sql')
 
 
 def test_sqlerror():
-    err = sql.SqlError("Hello World", environmental=True)
-    assert str(err) == "Hello World"
+    text = "Hello World"
+    err = sql.SqlError(text, environmental=True)
+    assert str(err) == text
+    assert err.text() == text
     assert err.environmental
 
 
@@ -71,6 +73,11 @@ class TestSqliteError:
         with pytest.raises(sql.SqlError):
             raise sql.SqliteError("text", QSqlError())
 
+    def test_text(self):
+        sql_err = QSqlError("driver text", "db text")
+        err = sql.SqliteError("Message", sql_err)
+        assert err.text() == "db text"
+
 
 def test_init():
     sql.SqlTable('Foo', ['name', 'val', 'lucky'])