Merge pull request #8239 from ethereum/unrevertpylintstuff

Re-add reverted pylint changes

.circleci/config.yml

@@ -267,8 +267,8 @@ jobs:
           command: apt -q update && apt install -y python3-pip
       - run:
           name: Install pylint
-          command: python3 -m pip install pylint z3-solver
-          # also z3-solver to make sure pylint knows about this module
+          command: python3 -m pip install pylint z3-solver pygments-lexer-solidity
+          # also z3-solver to make sure pylint knows about this module, pygments-lexer-solidity for docs
       - run:
           name: Linting Python Scripts
           command: ./scripts/pylint_all.py

scripts/pylint_all.py

@@ -1,14 +1,14 @@
 #! /usr/bin/env python3
 
 """
-Performs pylint on all python files in the project repo's test directory recursively.
+Performs pylint on all python files in the project repo's {test,script,docs} directory recursively.
 
 This script is meant to be run from the CI but can also be easily in local dev environment,
 where you can optionally pass `-d` as command line argument to let this script abort on first error.
 """
 
 from os import path, walk, system
-from sys import argv, exit as brexit
+from sys import argv, exit as exitwith
 
 PROJECT_ROOT = path.dirname(path.realpath(__file__))
 PYLINT_RCFILE = "{}/pylintrc".format(PROJECT_ROOT)
@@ -36,19 +36,20 @@ def pylint_all_filenames(dev_mode, rootdirs):
         if exit_code != 0:
             if dev_mode:
                 return 1, checked_count
-            else:
-                failed.append(filename)
+            failed.append(filename)
 
     return len(failed), len(filenames)
 
 def main():
-    """" Collects all python script root dirs and runs pylint on them. """
+    """ Collects all python script root dirs and runs pylint on them. You can optionally
+        pass `-d` as command line argument to let this script abort on first error. """
     dev_mode = len(argv) == 2 and argv[1] == "-d"
     failed_count, total_count = pylint_all_filenames(dev_mode, [
+        path.abspath(path.dirname(__file__) + "/../docs"),
         path.abspath(path.dirname(__file__) + "/../scripts"),
         path.abspath(path.dirname(__file__) + "/../test")])
     if failed_count != 0:
-        brexit("pylint failed on {}/{} files.".format(failed_count, total_count))
+        exitwith("pylint failed on {}/{} files.".format(failed_count, total_count))
     else:
         print("Successfully tested {} files.".format(total_count))
 

scripts/pylintrc

@@ -71,4 +71,4 @@ good-names=
 expected-line-ending-format=LF
 
 # Maximum number of characters on a single line.
-max-line-length=110
+max-line-length=130