Check whole folder on save

linter.py

@@ -41,13 +41,33 @@ class Flake8(PythonLinter):
  # - E999 SyntaxError
 
  regex = (
- r'^.+?:(?P<line>\d+):(?P<col>\d+): '
+ r'^(?P<filename>(?::\\|[^:])+):(?P<line>\d+):(?P<col>\d+): '
  r'(?:(?P<error>(?:F(?:40[24]|8(?:12|2[123]|31))|E(?:11[23]|90[12]|999)))|'
  r'(?P<warning>\w\d+)) '
  r'(?P<message>.*)'
  )
  multiline = True
 
+ def should_lint(self, reason=None):
+ self.reason = reason
+ return super().should_lint(reason)
+
+ def cmd(self):
+ if (
+ self.reason in ("on_user_request", "on_save")
+ and self.settings.context.get('file', None)
+ ):
+ self.tempfile_suffix = '-'
+ return ('flake8', '--format', 'default', '${args}', '${xoo:.}')
+ else:
+ return ('flake8', '--format', 'default', '${args}', '-')
+
+ def split_match(self, match):
+ error = super().split_match(match)
+ if error.filename == 'stdin':
+ error['filename'] = ''
+ return error
+
  def on_stderr(self, stderr):
  # For python 3.7 we actually have the case that flake yields
  # FutureWarnings. We just eat those as they're irrelevant here. Note
@@ -75,6 +95,9 @@ def parse_output(self, proc, virtual_view):
 
  filtered_errors = []
  for error in errors:
+ if error is None:
+ continue
+
  code = error['code']
 
  if ensures_newline and code == 'W292':