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jedi issues now warnings instead of errors for AttributeErrors that happen in instances with __getattr__/__getattribute__ methods

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Dave Halter
2014-06-26 12:21:19 +02:00
parent 7e0edc4776
commit a936cea987
2 changed files with 23 additions and 11 deletions
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23
jedi/evaluate/analysis.py
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@@ -82,10 +82,25 @@ def add(evaluator, name, jedi_obj, message=None, typ=Error, payload=None):
evaluator.analysis.append(instance)
def add_attribute_error(evaluator, jedi_obj, message, scope):
typ = Error
payload = scope, jedi_obj # jedi_obj is a name_part.
add(evaluator, 'attribute-error', jedi_obj, message, typ, payload)
def add_attribute_error(evaluator, scope, name_part):
message = ('AttributeError: %s has no attribute %s.' % (scope, name_part))
from jedi.evaluate.representation import Instance
# Check for __getattr__/__getattribute__ existance and issue a warning
# instead of an error, if that happens.
if isinstance(scope, Instance):
typ = Warning
try:
scope.get_subscope_by_name('__getattr__')
except KeyError:
try:
scope.get_subscope_by_name('__getattribute__')
except KeyError:
typ = Error
else:
typ = Error
payload = scope, name_part
add(evaluator, 'attribute-error', name_part, message, typ, payload)
def _check_for_exception_catch(evaluator, jedi_obj, exception, payload=None):

11
jedi/evaluate/finder.py
View File

@@ -50,17 +50,14 @@ class NameFinder(object):
and not (isinstance(self.name_str, pr.NamePart)
and isinstance(self.name_str.parent.parent, pr.Param)):
if not isinstance(self.name_str, (str, unicode)): # TODO Remove?
err_type = 'name-error' if search_global else 'attribute-error'
if err_type == 'name-error':
if search_global:
message = ("NameError: name '%s' is not defined."
% self.name_str)
analysis.add(self._evaluator, 'name-error', self.name_str,
message)
else:
message = ('AttributeError: %s has no attribute %s.'
% (self._last_filter_name_scope, self.name_str))
payload = self.name_str
analysis.add_attribute_error(self._evaluator,
self.name_str, message,
self.scope)
self.scope, self.name_str)
debug.dbg('finder._names_to_types: %s -> %s', names, types)
return self._resolve_descriptors(types)