1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
"""Base class and support functions for linters."""
from abc import ABCMeta, abstractmethod
from typing import Dict, List, Optional
class LinterBase(object, metaclass=ABCMeta):
"""Base Class for all linters."""
def __init__(self, cmd_name, required_version, cmd_location=None):
# type: (str, str, Optional[str]) -> None
"""
Create a linter.
cmd_name - short friendly name
required_version - the required version string to check against
cmd_location - location of executable
"""
self.cmd_name = cmd_name
self.required_version = required_version
self.cmd_location = cmd_location
@abstractmethod
def get_lint_cmd_args(self, file_name):
# type: (str) -> List[str]
"""Get the command to run a linter."""
pass
def get_fix_cmd_args(self, _file_name):
# type: (str) -> Optional[List[str]]
"""Get the command to run a linter fix."""
return None
@abstractmethod
def get_lint_version_cmd_args(self):
# type: () -> List[str]
"""Get the command to run a linter version check."""
pass
def needs_file_diff(self):
# type: () -> bool
"""
Check if we need to diff the output of this linter with the original file.
This applies to tools like clang-format and yapf which do not have a notion of linting. We
introduce the idea of linting by formatting a file with the tool to standard out and
comparing it to the original.
"""
return False
class LinterInstance(object):
"""A pair of a Linter and the full path of the linter cmd to run."""
def __init__(self, linter, cmd_path):
# type: (LinterBase, List[str]) -> None
"""Construct a LinterInstance."""
self.linter = linter
self.cmd_path = cmd_path
|
