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check not only - but also + for numbers.

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Dave Halter
2014-07-22 16:18:57 +02:00
parent 96ca596cc2
commit f7c8c43fbc
2 changed files with 14 additions and 8 deletions
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18
jedi/evaluate/precedence.py
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@@ -262,6 +262,8 @@ def _is_list(obj):
def _element_calculate(evaluator, left, operator, right):
from jedi.evaluate import iterable
l_is_num = _is_number(left)
r_is_num = _is_number(right)
if operator == '*':
# for iterables, ignore * operations
if isinstance(left, iterable.Array) or _is_string(left):
@@ -269,22 +271,22 @@ def _element_calculate(evaluator, left, operator, right):
elif isinstance(right, iterable.Array) or _is_string(right):
return [right]
elif operator == '+':
l_is_num = _is_number(left)
r_is_num = _is_number(right)
if l_is_num and r_is_num or _is_string(left) and _is_string(right):
return [create(evaluator, left.obj + right.obj)]
elif _is_tuple(left) and _is_tuple(right) or _is_list(left) and _is_list(right):
return [iterable.MergedArray(evaluator, (left, right))]
# Static analysis, one is a number, the other one is not.
elif l_is_num != r_is_num:
message = "TypeError: unsupported operand type(s) for +: %s and %s"
analysis.add(evaluator, 'type-error-operation', operator,
message % (left, right))
elif operator == '-':
if _is_number(left) and _is_number(right):
if l_is_num and r_is_num:
return [create(evaluator, left.obj - right.obj)]
elif operator == '%':
# With strings and numbers the left type typically remains. Except for
# `int() % float()`.
return [left]
# Static analysis, one is a number, the other one is not.
if operator in ['+', '-'] and l_is_num != r_is_num:
message = "TypeError: unsupported operand type(s) for +: %s and %s"
analysis.add(evaluator, 'type-error-operation', operator,
message % (left, right))
return [left, right]

4
test/static_analysis/operations.py
View File

@@ -2,3 +2,7 @@
1 + 1.0
#! 2 type-error-operation
1 + '1'
#! 2 type-error-operation
1 - '1'
-1 - - 1