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"""Mypy linter support module."""
import os
from typing import List
from . import base
MYPY_CONFIG_FILE = ".mypy.ini"
class MypyLinter(base.LinterBase):
"""Mypy linter."""
def __init__(self):
# type: () -> None
"""Create a mypy linter."""
# User can override the location of mypy from an environment variable.
super(MypyLinter, self).__init__("mypy", "0.580", os.getenv("MYPY"))
def get_lint_version_cmd_args(self):
# type: () -> List[str]
"""Get the command to run a linter version check."""
return ["--version"]
def get_lint_cmd_args(self, file_name):
# type: (str) -> List[str]
"""Get the command to run a linter."""
args = ["--config-file", MYPY_CONFIG_FILE]
# Only idl and linter should be type checked by mypy. Other
# files return errors under python 3 type checking. If we
# return an empty list the runner will skip this file.
if 'idl' in file_name or 'linter' in file_name:
return args + [file_name]
return []
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