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* relative_to_absolute_name will now raise TooManyLevelsError when a relative ↵Claudiu Popa2015-12-061-0/+15
| | | | import is trying to access something beyond the top-level package.
* AstroidBuildingException is now AstroidBuildingError, the former being ↵Claudiu Popa2015-12-061-4/+4
| | | | removed in 2.0.
* Add two new exceptions, AstroidImportError and AstroidSyntaxError.Claudiu Popa2015-12-061-0/+10
| | | | | | | | They are subclasses of AstroidBuildingException and are raised when a module can't be imported from various reasons. Also do_import_module lets the errors to bubble up without converting them to InferenceError. This particular conversion happens only during the inference.
* Merge structured exceptions into 2.0Claudiu Popa2015-11-131-52/+127
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| * Merge upstream changesCeridwen2015-11-061-3/+3
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| * | Add structured exceptions to decorators and remaining functions.Ceridwen2015-11-061-12/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Use explicit StopIteration to pass information from generators to raise_if_nothing_inferred and path_wrapper, rather than return or implicit termination by reaching the end of the code block. * Remove remove_nodes in favor of handling the cases in local_attr, istance_attr, and getattr, to avoid the need for complicated information passing when needing to raise an exception.
| * | This bookmark adds structured exceptions to astroid.Ceridwen2015-11-021-45/+133
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Major changes: * AstroidError has an __init__ that accepts arbitrary keyword-only arguments for adding information to exceptions, and a __str__ that lazily uses exception attributes to generate a message. The first positional argument to an exception is assigned to .message. The new API should be fully backwards compatible in general. * Some exceptions are combined or renamed; the old names are still available. * The OperationErrors used by pylint are now BadOperationMessages and located in util.py. * The AstroidBuildingException in _data_build stores the SyntaxError in its .error attribute rather than args[0]. * Many places where exceptions are raised have new, hopefully more useful error messages. The only major issue remaining is how to propagate information into decorators.
* | Remove the circular dependency between protocols.py and node_classes.pyClaudiu Popa2015-11-041-0/+18
|/ | | | | | | | | | | | | | | | This is accomplished with two types of modifications: * implementing dispatch functions on virtual base classes, which removes entirely the need of monkey-patching of node classes's methods. * since some of the functions in protocols.py needed to create new nodes, we injected the node_classes module into the dispatched function when calling it, which is a nice use case of dependency injection. This commit also includes new exceptions, which might be raised whenever trying to access a capability, with a dispatch function, on a node which does not support it.
* Remove doctype and future imports which aren't useful.Claudiu Popa2015-10-111-2/+0
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* Add support for retrieving TypeErrors for binary arithmetic operations and ↵Claudiu Popa2015-06-281-0/+13
| | | | | | | | | augmented assignments. The change is similar to what was added for UnaryOps: a new method called *type_errors* for both AugAssign and BinOp, which can be used to retrieve type errors occurred during inference. Also, a new exception object was added, BinaryOperationError.
* Use the name of the operand for UnaryOperationError.__str__.Claudiu Popa2015-06-131-1/+1
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* Make the first steps towards detecting type errors for unary and binary ↵Claudiu Popa2015-06-111-0/+21
| | | | | | | | | | | | operations. In exceptions, one object was added for holding information about a possible UnaryOp TypeError, object called `UnaryOperationError`. Even though the name suggests it's an exception, it's actually not one. When inferring UnaryOps, we use this special object to mark a possible TypeError, object which can be interpreted by pylint in order to emit a new warning. We are also exposing a new method for UnaryOps, called `type_errors`, which returns a list of UnaryOperationsError.
* Add a new SuperError exception subclass, SuperArgumentTypeError, which is ↵Claudiu Popa2015-05-291-0/+4
| | | | raised when there's a problem with any argument of the super call (invalid types).
* Add a new *inference object* called SuperClaudiu Popa2015-05-281-0/+4
| | | | | | | | | | | | This patch also adds support for understanding super calls. astroid understands the zero-argument form of super, specific to Python 3, where the interpreter fills itself the arguments of the call. Also, we are understanding the 2-argument form of super, both for bounded lookups (super(X, instance)) as well as for unbounded lookups (super(X, Y)), having as well support for validating that the object-or-type is a subtype of the first argument. The unbounded form of super (one argument) is not understood, since it's useless in practice and should be removed from Python's specification. Closes issue #89.
* Add two new exceptions for handling MRO error cases.Claudiu Popa2015-05-031-0/+12
| | | | | | | DuplicateBasesError is emitted when duplicate bases are found in a class, InconsistentMroError is raised when the method resolution is determined to be inconsistent. They share a common class, MroError, which is a subclass of ResolveError, meaning that this change is backwards compatible.
* Move all astroid modules into a its own directory, which is now the package.Torsten Marek2014-11-081-0/+51
python setup.py develop now works.
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