update black, cleanup static check rules

(cherry picked from commit 07682d1)

fix ExecResult str & pep8 false-negative

(cherry picked from commit e59514f)

Update MyPy

Now logging is correctly inspected and should not be scipped in
typecheck.

(cherry picked from commit 6fc5cfc)

Update static checks and make code better

* doc8 -> better docs
* pylint reconfigure and switch logging to python 3.6 f-strings
* drop not used logger instances
* use better global const naming
* drop py2 related config from pylint (master is py3.6+ only)
* better .editorconfig - default indent style is 2, 4 is for python only

(cherry picked from commit b7cee77)

Switch travis, optimize editorconfig

(cherry picked from commit 14ce05f)

Better pylint and more docstrings in code

(cherry picked from commit ebc36e9)
Signed-off-by: Aleksei Stepanov <penguinolog@gmail.com>

Author: penguinolog

.coveragerc

@@ -1,16 +1,16 @@
 [run]
 source =
-    exec_helpers
+  exec_helpers
 omit =
-    test/*
+  test/*
 
 [report]
 exclude_lines =
-    # Have to re-enable the standard pragma
-    pragma: no cover
+  # Have to re-enable the standard pragma
+  pragma: no cover
 
-    # Don't complain about missing debug-only code:
-    def __repr__
+  # Don't complain about missing debug-only code:
+  def __repr__
 
-    # Don't complain if non-runnable code isn't run:
-    if __name__ == .__main__.:
+  # Don't complain if non-runnable code isn't run:
+  if __name__ == .__main__.:

.editorconfig

@@ -3,16 +3,17 @@ root = true
 [*]
 charset = utf-8
 end_of_line = lf
-indent_size = 4
+indent_size = 2
 indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[*.{py,ini}]
+[*.{py,pyx,pxd,pyi}]
+indent_size = 4
 max_line_length = 120
 
-[*.{yml,yaml,rst}]
-indent_size = 2
+[*.rst]
+max_line_length = 150
 
 [Makefile]
 indent_style = tab