Custom Exceptions

The darc project provides following custom exceptions:

• LinkNoReturn

• UnsupportedLink

• UnsupportedPlatform

• UnsupportedProxy

• WorkerBreak

Note

All exceptions are inherited from _BaseException.

The darc project provides following custom warnings:

• TorBootstrapFailed

• I2PBootstrapFailed

• ZeroNetBootstrapFailed

• FreenetBootstrapFailed

• APIRequestFailed

• SiteNotFoundWarning

• LockWarning

• TorRenewFailed

• RedisCommandFailed

• HookExecutionFailed

Note

All warnings are inherited from _BaseWarning.

exception darc.error.APIRequestFailed

Bases: _BaseWarning

API submit failed.

exception darc.error.DatabaseOperaionFailed

Bases: _BaseWarning

Database operation execution failed.

exception darc.error.FreenetBootstrapFailed

Bases: _BaseWarning

Freenet bootstrap process failed.

exception darc.error.HookExecutionFailed

Bases: _BaseWarning

Failed to execute hook function.

exception darc.error.I2PBootstrapFailed

Bases: _BaseWarning

I2P bootstrap process failed.

exception darc.error.LinkNoReturn(link=None, *, drop=True)

Bases: _BaseException

The link has no return value from the hooks.

Parameters:

• link (darc.link.Link) – Original link object.

• drop (bool) –

Keyword Arguments:

drop – If drops the link from task queues.

Return type:

None

__init__(link=None, *, drop=True)

Parameters:

drop (bool) –

Return type:

None

exception darc.error.LockWarning

Bases: _BaseWarning

Failed to acquire Redis lock.

exception darc.error.RedisCommandFailed

Bases: _BaseWarning

Redis command execution failed.

exception darc.error.SiteNotFoundWarning

Bases: _BaseWarning, ImportWarning

Site customisation not found.

exception darc.error.TorBootstrapFailed

Bases: _BaseWarning

Tor bootstrap process failed.

exception darc.error.TorRenewFailed

Bases: _BaseWarning

Tor renew request failed.

exception darc.error.UnsupportedLink

Bases: _BaseException

The link is not supported.

exception darc.error.UnsupportedPlatform

Bases: _BaseException

The platform is not supported.

exception darc.error.UnsupportedProxy

Bases: _BaseException

The proxy is not supported.

exception darc.error.WorkerBreak

Bases: _BaseException

Break from the worker loop.

exception darc.error.ZeroNetBootstrapFailed

Bases: _BaseWarning

ZeroNet bootstrap process failed.

exception darc.error._BaseException

Bases: Exception

Base exception class for darc module.

exception darc.error._BaseWarning

Bases: Warning

Base warning for darc module.