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forked from VimPlug/jedi

Fix wrong types for iterate, fixes #1524

This commit is contained in:
Dave Halter
2020-03-21 18:09:03 +01:00
parent a2f4d1bbe7
commit bb9731b561
2 changed files with 11 additions and 10 deletions

View File

@@ -140,7 +140,6 @@ class ComprehensionMixin(object):
input_node = comp_for.children[3]
parent_context = parent_context or self._defining_context
input_types = parent_context.infer_node(input_node)
# TODO: simulate await if self.is_async
cn = ContextualizedNode(parent_context, input_node)
iterated = input_types.iterate(cn, is_async=is_async)
@@ -578,33 +577,31 @@ class MergedArray(Sequence):
return ValueSet.from_sets(lazy_value.infer() for lazy_value in self.py__iter__())
def unpack_tuple_to_dict(value, types, exprlist):
def unpack_tuple_to_dict(context, types, exprlist):
"""
Unpacking tuple assignments in for statements and expr_stmts.
"""
if exprlist.type == 'name':
return {exprlist.value: types}
elif exprlist.type == 'atom' and exprlist.children[0] in ('(', '['):
return unpack_tuple_to_dict(value, types, exprlist.children[1])
return unpack_tuple_to_dict(context, types, exprlist.children[1])
elif exprlist.type in ('testlist', 'testlist_comp', 'exprlist',
'testlist_star_expr'):
dct = {}
parts = iter(exprlist.children[::2])
n = 0
for lazy_value in types.iterate(exprlist):
for lazy_value in types.iterate(ContextualizedNode(context, exprlist)):
n += 1
try:
part = next(parts)
except StopIteration:
# TODO this value is probably not right.
analysis.add(value, 'value-error-too-many-values', part,
analysis.add(context, 'value-error-too-many-values', part,
message="ValueError: too many values to unpack (expected %s)" % n)
else:
dct.update(unpack_tuple_to_dict(value, lazy_value.infer(), part))
dct.update(unpack_tuple_to_dict(context, lazy_value.infer(), part))
has_parts = next(parts, None)
if types and has_parts is not None:
# TODO this value is probably not right.
analysis.add(value, 'value-error-too-few-values', has_parts,
analysis.add(context, 'value-error-too-few-values', has_parts,
message="ValueError: need more than %s values to unpack" % n)
return dct
elif exprlist.type == 'power' or exprlist.type == 'atom_expr':

View File

@@ -91,7 +91,7 @@ b[0]
#? str()
[x for x in 'chr'][0]
# jedi issue #26
# From GitHub #26
#? list()
a = [[int(v) for v in line.strip().split() if v] for line in ["123", str(), "123"] if line]
#? list()
@@ -99,6 +99,10 @@ a[0]
#? int()
a[0][0]
# From GitHub #1524
#?
[nothing for nothing, _ in [1]][0]
# -----------------
# generator comprehensions
# -----------------