本文整理匯總了Python中sqlalchemy.exc.DontWrapMixin方法的典型用法代碼示例。如果您正苦於以下問題：Python exc.DontWrapMixin方法的具體用法？Python exc.DontWrapMixin怎麽用？Python exc.DontWrapMixin使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類sqlalchemy.exc的用法示例。
在下文中一共展示了exc.DontWrapMixin方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: instance
# 需要導入模塊: from sqlalchemy import exc [as 別名]
# 或者: from sqlalchemy.exc import DontWrapMixin [as 別名]
def instance(cls, statement, params,
orig,
dbapi_base_err,
connection_invalidated=False):
# Don't ever wrap these, just return them directly as if
# DBAPIError didn't exist.
if isinstance(orig, (KeyboardInterrupt, SystemExit, DontWrapMixin)):
return orig
if orig is not None:
# 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),
statement, params, orig
)
name, glob = orig.__class__.__name__, globals()
if name in glob and issubclass(glob[name], DBAPIError):
cls = glob[name]
return cls(statement, params, orig, connection_invalidated) 示例2: instance
# 需要導入模塊: from sqlalchemy import exc [as 別名]
# 或者: from sqlalchemy.exc import DontWrapMixin [as 別名]
def instance(cls, statement, params,
orig, dbapi_base_err,
connection_invalidated=False,
dialect=None):
# Don't ever wrap these, just return them directly as if
# DBAPIError didn't exist.
if (isinstance(orig, BaseException) and
not isinstance(orig, Exception)) or \
isinstance(orig, DontWrapMixin):
return orig
if orig is not None:
# not a DBAPI error, statement is present.
# raise a StatementError
if not isinstance(orig, dbapi_base_err) and statement:
return StatementError(
"(%s.%s) %s" %
(orig.__class__.__module__, orig.__class__.__name__,
orig),
statement, params, orig
)
glob = globals()
for super_ in orig.__class__.__mro__:
name = super_.__name__
if dialect:
name = dialect.dbapi_exception_translation_map.get(
name, name)
if name in glob and issubclass(glob[name], DBAPIError):
cls = glob[name]
break
return cls(statement, params, orig, connection_invalidated) 示例3: instance
# 需要導入模塊: from sqlalchemy import exc [as 別名]
# 或者: from sqlalchemy.exc import DontWrapMixin [as 別名]
def instance(cls, statement, params,
orig, dbapi_base_err,
connection_invalidated=False,
dialect=None):
# Don't ever wrap these, just return them directly as if
# DBAPIError didn't exist.
if (isinstance(orig, BaseException) and
not isinstance(orig, Exception)) or \
isinstance(orig, DontWrapMixin):
return orig
if orig is not None:
# not a DBAPI error, statement is present.
# raise a StatementError
if isinstance(orig, SQLAlchemyError) and statement:
return StatementError(
"(%s.%s) %s" %
(orig.__class__.__module__, orig.__class__.__name__,
orig.args[0]),
statement, params, orig, code=orig.code
)
elif not isinstance(orig, dbapi_base_err) and statement:
return StatementError(
"(%s.%s) %s" %
(orig.__class__.__module__, orig.__class__.__name__,
orig),
statement, params, orig
)
glob = globals()
for super_ in orig.__class__.__mro__:
name = super_.__name__
if dialect:
name = dialect.dbapi_exception_translation_map.get(
name, name)
if name in glob and issubclass(glob[name], DBAPIError):
cls = glob[name]
break
return cls(statement, params, orig, connection_invalidated,
code=cls.code) 示例4: instance
# 需要導入模塊: from sqlalchemy import exc [as 別名]
# 或者: from sqlalchemy.exc import DontWrapMixin [as 別名]
def instance(cls, statement, params,
orig, dbapi_base_err,
connection_invalidated=False):
# Don't ever wrap these, just return them directly as if
# DBAPIError didn't exist.
if isinstance(orig, (KeyboardInterrupt, SystemExit, DontWrapMixin)):
return orig
if orig is not None:
# 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),
statement, params, orig
)
glob = globals()
for super_ in orig.__class__.__mro__:
name = super_.__name__
if name in glob and issubclass(glob[name], DBAPIError):
cls = glob[name]
break
return cls(statement, params, orig, connection_invalidated)