cloup.constraints.exceptions

Functions

default_constraint_error(params, desc)

Contents

cloup.constraints.exceptions.default_constraint_error(params, desc)[source]
Parameters
Return type

str

exception cloup.constraints.exceptions.ConstraintViolated(message, ctx=None)[source]

Bases: click.UsageError

An internal exception that signals a usage error. This typically aborts any further handling.

Parameters
  • message – the error message to display.

  • ctx – optionally the context that caused this error. Click will fill in the context automatically in some situations.

classmethod default(cls, params, desc, ctx=None)[source]
Parameters
Return type

ConstraintViolated

exception cloup.constraints.exceptions.UnsatisfiableConstraint(constraint, params, reason)[source]

Bases: Exception

Raised if a constraint cannot be satisfied by a group of parameters independently from their values at runtime; e.g. mutually_exclusive cannot be satisfied if multiple of the parameters are required.