1 1
# -*- coding: utf-8 -*-
2 2
from difflib import Differ
3 3
from isort import SortImports
4 -
from os.path import expanduser
5 4
from testfixtures import OutputCapture
6 5 7 -
import os
8 - 9 - 10 -
try:
11 -
from configparser import ConfigParser as SafeConfigParser
12 -
except ImportError:
13 -
from ConfigParser import SafeConfigParser
14 - 15 6 16 7
class Flake8Isort(object):
17 8
name = 'flake8_isort'
@@ -32,7 +23,6 @@ class Flake8Isort(object):
32 23
'I005 isort found an unexpected missing import'
33 24
)
34 25 35 -
config_file = None
36 26
show_traceback = False
37 27
stdin_display_name = None
38 28
@@ -43,12 +33,6 @@ def __init__(self, tree, filename, lines, search_current=True):
43 33 44 34
@classmethod
45 35
def add_options(cls, parser):
46 -
parser.add_option(
47 -
'--no-isort-config',
48 -
action='store_true',
49 -
parse_from_config=True,
50 -
help='Do not require explicit configuration to be found'
51 -
)
52 36 53 37
parser.add_option(
54 38
'--isort-show-traceback',
@@ -59,93 +43,27 @@ def add_options(cls, parser):
59 43 60 44
@classmethod
61 45
def parse_options(cls, options):
62 -
if options.no_isort_config is None:
63 -
cls.config_file = True
64 -
else:
65 -
cls.config_file = False
66 - 67 46
cls.stdin_display_name = options.stdin_display_name
68 47
cls.show_traceback = options.isort_show_traceback
69 48 70 49
def run(self):
71 -
settings_file = self.search_isort_config()
72 -
if self.config_file and not settings_file:
73 -
yield 0, 0, self.no_config_msg, type(self)
50 +
if self.filename is not self.stdin_display_name:
51 +
file_path = self.filename
74 52
else:
75 -
if self.filename is not self.stdin_display_name:
76 -
file_path = self.filename
77 -
else:
78 -
file_path = None
79 -
with OutputCapture() as buffer:
80 -
sort_result = SortImports(
81 -
file_path=file_path,
82 -
file_contents=''.join(self.lines),
83 -
check=True,
84 -
settings_path=settings_file,
85 -
show_diff=True,
86 -
)
87 -
traceback = self._format_isort_output(buffer)
88 - 89 -
for line_num, message in self.sortimports_linenum_msg(sort_result):
90 -
if self.show_traceback:
91 -
message += traceback
92 -
yield line_num, 0, message, type(self)
93 - 94 -
def search_isort_config(self):
95 -
# type: () -> Optional[str] # noqa: F821
96 -
"""Search for isort configuration all the way up to the root folder
97 - 98 -
Looks for ``.isort.cfg``, ``.editorconfig`` or ``[isort]`` section in
99 -
``setup.cfg``, ``tox.ini``, or ``.flake8`` config files.
100 -
"""
101 -
full_path = os.path.abspath(self.filename)
102 -
split_path = (os.path.dirname(full_path), True)
103 -
while split_path[1]:
104 -
config_on_file = self._search_config_on_path(split_path[0])
105 -
if config_on_file:
106 -
return config_on_file
107 -
split_path = os.path.split(split_path[0])
108 - 109 -
if self.search_current:
110 -
return self.search_isort_config_at_current()
111 - 112 -
# last attempt, check home folder
113 -
home = expanduser('~')
114 -
config_on_home = self._search_config_on_path(home)
115 -
if config_on_home:
116 -
return config_on_home
117 - 118 -
return None
119 - 120 -
def search_isort_config_at_current(self):
121 -
# type: () -> Optional[str] # noqa: F821
122 -
"""Search for isort configuration at current directory"""
123 -
return self._search_config_on_path(os.path.realpath('.'))
124 - 125 -
def _search_config_on_path(self, path):
126 -
# type: (str) -> Optional[str] # noqa: F821
127 -
"""Search for isort configuration files at the specifed path.
128 - 129 -
Args:
130 -
path: The path to search for config files on.
131 - 132 -
Return:
133 -
str: the isort config if found otherwise, None
134 -
"""
135 -
for config_file in ('.isort.cfg', '.editorconfig'):
136 -
config_file_path = os.path.join(path, config_file)
137 -
if os.path.isfile(config_file_path):
138 -
return config_file_path
139 - 140 -
# Check for '[isort]' section in other configuration files.
141 -
for config_file in ('tox.ini', 'setup.cfg', '.flake8'):
142 -
config_file_path = os.path.join(path, config_file)
143 -
config = SafeConfigParser()
144 -
config.read(config_file_path)
145 -
if 'isort' in config.sections():
146 -
return config_file_path
147 - 148 -
return None
53 +
file_path = None
54 +
with OutputCapture() as buffer:
55 +
sort_result = SortImports(
56 +
file_path=file_path,
57 +
file_contents=''.join(self.lines),
58 +
check=True,
59 +
show_diff=True,
60 +
)
61 +
traceback = self._format_isort_output(buffer)
62 + 63 +
for line_num, message in self.sortimports_linenum_msg(sort_result):
64 +
if self.show_traceback:
65 +
message += traceback
66 +
yield line_num, 0, message, type(self)
149 67 150 68
def sortimports_linenum_msg(self, sort_result):
151 69
"""Parses isort.SortImports for line number changes and message
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