diff options
Diffstat (limited to 'lib/sqlalchemy/sql/base.py')
| -rw-r--r-- | lib/sqlalchemy/sql/base.py | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/lib/sqlalchemy/sql/base.py b/lib/sqlalchemy/sql/base.py index a7324c45f..2d336360f 100644 --- a/lib/sqlalchemy/sql/base.py +++ b/lib/sqlalchemy/sql/base.py @@ -128,8 +128,8 @@ class _DialectArgView(util.collections_abc.MutableMapping): def _key(self, key): try: dialect, value_key = key.split("_", 1) - except ValueError: - raise KeyError(key) + except ValueError as err: + util.raise_(KeyError(key), replace_context=err) else: return dialect, value_key @@ -138,17 +138,20 @@ class _DialectArgView(util.collections_abc.MutableMapping): try: opt = self.obj.dialect_options[dialect] - except exc.NoSuchModuleError: - raise KeyError(key) + except exc.NoSuchModuleError as err: + util.raise_(KeyError(key), replace_context=err) else: return opt[value_key] def __setitem__(self, key, value): try: dialect, value_key = self._key(key) - except KeyError: - raise exc.ArgumentError( - "Keys must be of the form <dialectname>_<argname>" + except KeyError as err: + util.raise_( + exc.ArgumentError( + "Keys must be of the form <dialectname>_<argname>" + ), + replace_context=err, ) else: self.obj.dialect_options[dialect][value_key] = value @@ -634,17 +637,17 @@ class ColumnCollection(object): def __getitem__(self, key): try: return self._index[key] - except KeyError: + except KeyError as err: if isinstance(key, util.int_types): - raise IndexError(key) + util.raise_(IndexError(key), replace_context=err) else: raise def __getattr__(self, key): try: return self._index[key] - except KeyError: - raise AttributeError(key) + except KeyError as err: + util.raise_(AttributeError(key), replace_context=err) def __contains__(self, key): if key not in self._index: |