diff options
Diffstat (limited to 'lib/sqlalchemy/exc.py')
| -rw-r--r-- | lib/sqlalchemy/exc.py | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/lib/sqlalchemy/exc.py b/lib/sqlalchemy/exc.py index 5d35dc2e7..9b27436b3 100644 --- a/lib/sqlalchemy/exc.py +++ b/lib/sqlalchemy/exc.py @@ -1,5 +1,5 @@ # sqlalchemy/exc.py -# Copyright (C) 2005-2014 the SQLAlchemy authors and contributors +# Copyright (C) 2005-2015 the SQLAlchemy authors and contributors # <see AUTHORS file> # # This module is part of SQLAlchemy and is released under @@ -54,8 +54,7 @@ class CircularDependencyError(SQLAlchemyError): or pre-deassociate one of the foreign key constrained values. The ``post_update`` flag described at :ref:`post_update` can resolve this cycle. - * In a :meth:`.MetaData.create_all`, :meth:`.MetaData.drop_all`, - :attr:`.MetaData.sorted_tables` operation, two :class:`.ForeignKey` + * In a :attr:`.MetaData.sorted_tables` operation, two :class:`.ForeignKey` or :class:`.ForeignKeyConstraint` objects mutually refer to each other. Apply the ``use_alter=True`` flag to one or both, see :ref:`use_alter`. @@ -63,7 +62,7 @@ class CircularDependencyError(SQLAlchemyError): """ def __init__(self, message, cycles, edges, msg=None): if msg is None: - message += " Cycles: %r all edges: %r" % (cycles, edges) + message += " (%s)" % ", ".join(repr(s) for s in cycles) else: message = msg SQLAlchemyError.__init__(self, message) @@ -238,14 +237,16 @@ class StatementError(SQLAlchemyError): def __str__(self): from sqlalchemy.sql import util - params_repr = util._repr_params(self.params, 10) + details = [SQLAlchemyError.__str__(self)] + if self.statement: + details.append("[SQL: %r]" % self.statement) + if self.params: + params_repr = util._repr_params(self.params, 10) + details.append("[parameters: %r]" % params_repr) return ' '.join([ "(%s)" % det for det in self.detail - ] + [ - SQLAlchemyError.__str__(self), - repr(self.statement), repr(params_repr) - ]) + ] + details) def __unicode__(self): return self.__str__() @@ -289,10 +290,10 @@ class DBAPIError(StatementError): # not a DBAPI error, statement is present. # raise a StatementError if not isinstance(orig, dbapi_base_err) and statement: - msg = traceback.format_exception_only( - orig.__class__, orig)[-1].strip() return StatementError( - "%s (original cause: %s)" % (str(orig), msg), + "(%s.%s) %s" % + (orig.__class__.__module__, orig.__class__.__name__, + orig), statement, params, orig ) @@ -316,7 +317,8 @@ class DBAPIError(StatementError): text = 'Error in str() of DB-API-generated exception: ' + str(e) StatementError.__init__( self, - '(%s) %s' % (orig.__class__.__name__, text), + '(%s.%s) %s' % ( + orig.__class__.__module__, orig.__class__.__name__, text, ), statement, params, orig |