diff options
Diffstat (limited to 'mixins.py')
| -rw-r--r-- | mixins.py | 41 |
1 files changed, 5 insertions, 36 deletions
@@ -30,44 +30,13 @@ # You should have received a copy of the GNU Lesser General Public License along # with logilab-astng. If not, see <http://www.gnu.org/licenses/>. """This module contains some mixins for the different nodes. - """ -from logilab.astng import ASTNGBuildingException, InferenceError, NotFoundError -from logilab.astng.bases import BaseClass - -# /!\ We cannot build a StmtNode(NodeNG) class since modifying "__bases__" -# in "nodes.py" has to work *both* for old-style and new-style classes, -# but we need the StmtMixIn for scoped nodes - -class StmtMixIn(BaseClass): - """StmtMixIn used only for a adding a few attributes""" - is_statement = True - - def replace(self, child, newchild): - sequence = self.child_sequence(child) - newchild.parent = self - child.parent = None - sequence[sequence.index(child)] = newchild - - def next_sibling(self): - """return the next sibling statement""" - stmts = self.parent.child_sequence(self) - index = stmts.index(self) - try: - return stmts[index +1] - except IndexError: - pass - - def previous_sibling(self): - """return the previous sibling statement""" - stmts = self.parent.child_sequence(self) - index = stmts.index(self) - if index >= 1: - return stmts[index -1] +from logilab.astng.exceptions import (ASTNGBuildingException, InferenceError, + NotFoundError) -class BlockRangeMixIn(BaseClass): +class BlockRangeMixIn(object): """override block range """ def set_line_info(self, lastchild): self.fromlineno = self.lineno @@ -124,7 +93,7 @@ class ParentAssignTypeMixin(AssignTypeMixin): -class FromImportMixIn(BaseClass, FilterStmtsMixin): +class FromImportMixIn(FilterStmtsMixin): """MixIn for From and Import Nodes""" def _infer_name(self, frame, name): @@ -146,7 +115,7 @@ class FromImportMixIn(BaseClass, FilterStmtsMixin): return mymodule try: return mymodule.import_module(modname, level=level) - except (ASTNGBuildingException, SyntaxError): + except ASTNGBuildingException: raise InferenceError(modname) def real_name(self, asname): |