ci: added pylint (triggered upon error w/ score < 8 only)

.drone.yml

@@ -2,8 +2,14 @@ kind: pipeline
 name: default
 
 steps:
-- name: lint
+- name: isort
   image: python:alpine
   commands:
   - pip install isort
   - isort --check-only --diff .
+- name: pylint
+  image: python:alpine
+  commands:
+  - apk add --no-cache py3-lxml
+  - pip install .
+  - pylint morss --rcfile=.pylintrc --disable=C,R,W --fail-under=8

.pylintrc

@@ -0,0 +1,50 @@
+[MASTER]
+ignore=CVS
+suggestion-mode=yes
+extension-pkg-allow-list=lxml.etree
+
+[MESSAGES CONTROL]
+disable=missing-function-docstring,
+        missing-class-docstring,
+        missing-module-docstring,
+        wrong-spelling-in-comment,
+
+[REPORTS]
+reports=yes
+score=yes
+
+[SPELLING]
+spelling-dict=en_GB
+spelling-ignore-words=morss
+
+[STRING]
+check-quote-consistency=yes
+check-str-concat-over-line-jumps=yes
+
+[VARIABLES]
+allow-global-unused-variables=no
+init-import=no
+
+[FORMAT]
+expected-line-ending-format=LF
+indent-string='    '
+max-line-length=120
+max-module-lines=1000
+
+[BASIC]
+argument-naming-style=snake_case
+attr-naming-style=snake_case
+class-attribute-naming-style=snake_case
+class-const-naming-style=UPPER_CASE
+class-naming-style=PascalCase
+const-naming-style=UPPER_CASE
+function-naming-style=snake_case
+inlinevar-naming-style=snake_case
+method-naming-style=snake_case
+module-naming-style=snake_case
+variable-naming-style=snake_case
+
+include-naming-hint=yes
+
+bad-names=foo, bar
+good-names=i, j, k

morss/__init__.py

@@ -16,5 +16,8 @@
 # with this program. If not, see <https://www.gnu.org/licenses/>.
 
 # ran on `import morss`
+
+# pylint: disable=unused-import,unused-variable
+
 from .morss import *
 from .wsgi import application