python.lang.maintainability.return.code-after-unconditional-return
semgrep
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code after return statement will not be executed
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Defintion
rules:
- id: code-after-unconditional-return
pattern: |
return ...
$S
message: code after return statement will not be executed
languages:
- python
severity: WARNING
metadata:
category: maintainability
technology:
- python
license: Commons Clause License Condition v1.0[LGPL-2.1-only]
Examples
return.py
def alwaysblue():
if isblue():
return 'blue'
# ruleid: code-after-unconditional-return
return 'red'
return 'green'
def alwaysblue():
if isblue():
return 'blue'
# ruleid: code-after-unconditional-return
return 'red'
x = 5
def resolve(key: str):
key = os.path.join(path, "keys", key)
# ok: code-after-unconditional-return
return key
def resolve(key: str) -> str:
key = os.path.join(path, "keys", key)
# ok: code-after-unconditional-return
return key
def resolve(key: str) -> str:
key = os.path.join(path, "keys", key)
# ok: code-after-unconditional-return
return key, key
# ruleid: return-not-in-function
return (a, b)
Short Link: https://sg.run/6nOo