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build: add lint-py which uses flake8
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PR-URL: #21952
Reviewed-By: Refael Ackermann <refack@gmail.com>
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cclauss authored and MylesBorins committed Nov 26, 2018
1 parent 9b95160 commit aed45d7
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24 changes: 23 additions & 1 deletion Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -1208,6 +1208,28 @@ lint-addon-docs: test/addons/.docbuildstamp
cpplint: lint-cpp
@echo "Please use lint-cpp instead of cpplint"

.PHONY: lint-py-build
# python -m pip install flake8
# Try with '--system' is to overcome systems that blindly set '--user'
lint-py-build:
@echo "Pip installing flake8 linter on $(shell $(PYTHON) --version)..."
$(PYTHON) -m pip install --upgrade -t tools/pip/site-packages flake8 || \
$(PYTHON) -m pip install --upgrade --system -t tools/pip/site-packages flake8

ifneq ("","$(wildcard tools/pip/site-packages)")
.PHONY: lint-py
# Lints the Python code with flake8.
# Flag the build if there are Python syntax errors or undefined names
lint-py:
PYTHONPATH=tools/pip $(PYTHON) -m flake8 . \
--count --show-source --statistics --select=E901,E999,F821,F822,F823 \
--exclude=deps,lib,src,tools/*_macros.py,tools/gyp,tools/jinja2,tools/pip
else
lint-py:
@echo "Python linting with flake8 is not avalible"
@echo "Run 'make lint-py-build'"
endif

.PHONY: lint
.PHONY: lint-ci
ifneq ("","$(wildcard tools/node_modules/eslint/)")
Expand All @@ -1221,7 +1243,7 @@ lint: ## Run JS, C++, MD and doc linters.
CONFLICT_RE=^>>>>>>> [0-9A-Fa-f]+|^<<<<<<< [A-Za-z]+

# Related CI job: node-test-linter
lint-ci: lint-js-ci lint-cpp lint-md lint-addon-docs
lint-ci: lint-js-ci lint-cpp lint-py lint-md lint-addon-docs
@if ! ( grep -IEqrs "$(CONFLICT_RE)" benchmark deps doc lib src test tools ) \
&& ! ( find . -maxdepth 1 -type f | xargs grep -IEqs "$(CONFLICT_RE)" ); then \
exit 0 ; \
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2 changes: 2 additions & 0 deletions tools/pip/.gitignore
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@@ -0,0 +1,2 @@
*.pyc
site-packages
3 changes: 3 additions & 0 deletions tools/pip/sitecustomize.py
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@@ -0,0 +1,3 @@
import os
import site
site.addsitedir(os.path.dirname(os.path.realpath(__file__)) + '/site-packages')

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