加载自定义的pylint插件

Question

我正在尝试编写简单的pylint插件，但在任何输入中都会出现以下错误。

__init__py

"""
Register all plugin
"""
#!/usr/bin/env python

from .check_os_walk import check_os_walk

def register(linter):
"""
entry point for pylint
:param linter: linter obj
:return:
"""
linter.register_checker(CheckOswalk(linter))

check_os_walk.py

#!/usr/bin/env python
import astroid
from pylint.checkers import BaseChecker, utils
from pylint.interfaces import IAstroidChecker

class CheckOswalk(BaseChecker):
__implements__ = (IAstroidChecker,)
name = 'no-need-to-call-os-walk'
msg = {'R100': ('please avoid using os.walk',
'os.walk_used',
'os.walk use unless it is needed and prefer os.scandir in python3')}
def visit_name(self, node):
print(node.parent)
self.add_message('os.walk_used', node)

dir_traversal.py"quot"遍历目录"quot">

#!/usr/bin/env python
import os

def main():
"""
print directory
:return:
"""
cwd = os.getcwd()
for root, dirs, files in os.walk(cwd, topdown=False):
for name in files:
print(os.path.join(root, name))
for name in dirs:
print(os.path.join(root, name))

if __name__ == "__main__":
main()

命令venv/bin/pylint--加载插件=$PWD/'init.py'dir_traversal.py

错误：

venv/lib/python3.6/site-packages/pylint/lint/pylinter.py", line 613, in load_plugin_configuration
self.add_message("bad-plugin-value", args=(modname, e), line=0)
File "venv/lib/python3.6/site-packages/pylint/lint/pylinter.py", line 1527, in add_message
end_col_offset,
File "venv/lib/python3.6/site-packages/pylint/lint/pylinter.py", line 1456, in _add_one_message
self.stats.increase_single_module_message_count(self.current_name, msg_cat, 1)
File "venv/lib/python3.6/site-packages/pylint/utils/linterstats.py", line 296, in increase_single_module_message_count
self.by_module[modname][type_name] += increase
KeyError: None

Answer 1

在__init__.py中，未定义CheckOswalk。它不会崩溃，因为register函数似乎也从未被调用过。