lint: Speed up flake8 checks

Previously they may have taken more than 10 seconds. Now they should
finish in less than one second.

This also allows to drop one dependency to be installed.
This commit is contained in:
MarcoFalke 2024-08-27 13:27:59 +02:00
parent faf17df7fb
commit fafdb7df34
No known key found for this signature in database
4 changed files with 45 additions and 64 deletions

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@ -49,7 +49,6 @@ fi
${CI_RETRY_EXE} pip3 install \
codespell==2.2.6 \
flake8==6.1.0 \
lief==0.13.2 \
mypy==1.4.1 \
pyzmq==25.1.0 \

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@ -45,7 +45,6 @@ or `--help`:
| Lint test | Dependency |
|-----------|:----------:|
| [`lint-python.py`](/test/lint/lint-python.py) | [flake8](https://github.com/PyCQA/flake8)
| [`lint-python.py`](/test/lint/lint-python.py) | [lief](https://github.com/lief-project/LIEF)
| [`lint-python.py`](/test/lint/lint-python.py) | [mypy](https://github.com/python/mypy)
| [`lint-python.py`](/test/lint/lint-python.py) | [pyzmq](https://github.com/zeromq/pyzmq)

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@ -5,13 +5,12 @@
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""
Check for specified flake8 and mypy warnings in python files.
Check for specified mypy warnings in python files.
"""
import os
from pathlib import Path
import subprocess
import sys
from importlib.metadata import metadata, PackageNotFoundError
@ -19,52 +18,12 @@ from importlib.metadata import metadata, PackageNotFoundError
cache_dir = Path(__file__).parent.parent / ".mypy_cache"
os.environ["MYPY_CACHE_DIR"] = str(cache_dir)
DEPS = ['flake8', 'lief', 'mypy', 'pyzmq']
# All .py files, except those in src/ (to exclude subtrees there)
FLAKE_FILES_ARGS = ['git', 'ls-files', '*.py', ':!:src/*.py']
DEPS = ['lief', 'mypy', 'pyzmq']
# Only .py files in test/functional and contrib/devtools have type annotations
# enforced.
MYPY_FILES_ARGS = ['git', 'ls-files', 'test/functional/*.py', 'contrib/devtools/*.py']
ENABLED = (
'E101,' # indentation contains mixed spaces and tabs
'E401,' # multiple imports on one line
'E402,' # module level import not at top of file
'E701,' # multiple statements on one line (colon)
'E702,' # multiple statements on one line (semicolon)
'E703,' # statement ends with a semicolon
'E711,' # comparison to None should be 'if cond is None:'
'E714,' # test for object identity should be "is not"
'E721,' # do not compare types, use "isinstance()"
'E722,' # do not use bare 'except'
'E742,' # do not define classes named "l", "O", or "I"
'E743,' # do not define functions named "l", "O", or "I"
'F401,' # module imported but unused
'F402,' # import module from line N shadowed by loop variable
'F403,' # 'from foo_module import *' used; unable to detect undefined names
'F404,' # future import(s) name after other statements
'F405,' # foo_function may be undefined, or defined from star imports: bar_module
'F406,' # "from module import *" only allowed at module level
'F407,' # an undefined __future__ feature name was imported
'F601,' # dictionary key name repeated with different values
'F602,' # dictionary key variable name repeated with different values
'F621,' # too many expressions in an assignment with star-unpacking
'F631,' # assertion test is a tuple, which are always True
'F632,' # use ==/!= to compare str, bytes, and int literals
'F811,' # redefinition of unused name from line N
'F821,' # undefined name 'Foo'
'F822,' # undefined name name in __all__
'F823,' # local variable name … referenced before assignment
'F841,' # local variable 'foo' is assigned to but never used
'W191,' # indentation contains tabs
'W291,' # trailing whitespace
'W292,' # no newline at end of file
'W293,' # blank line contains whitespace
'W605,' # invalid escape sequence "x"
)
def check_dependencies():
for dep in DEPS:
@ -78,20 +37,6 @@ def check_dependencies():
def main():
check_dependencies()
if len(sys.argv) > 1:
flake8_files = sys.argv[1:]
else:
flake8_files = subprocess.check_output(FLAKE_FILES_ARGS).decode("utf-8").splitlines()
flake8_args = ['flake8', '--ignore=B,C,E,F,I,N,W', f'--select={ENABLED}'] + flake8_files
flake8_env = os.environ.copy()
flake8_env["PYTHONWARNINGS"] = "ignore"
try:
subprocess.check_call(flake8_args, env=flake8_env)
except subprocess.CalledProcessError:
exit(1)
mypy_files = subprocess.check_output(MYPY_FILES_ARGS).decode("utf-8").splitlines()
mypy_args = ['mypy', '--show-error-codes'] + mypy_files

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@ -187,10 +187,48 @@ fn lint_subtree() -> LintResult {
fn lint_py_lint() -> LintResult {
let bin_name = "ruff";
let checks = ["B006", "B008"]
.iter()
.map(|c| format!("--select={}", c))
.collect::<Vec<_>>();
let checks = format!(
"--select={}",
[
"B006", // mutable-argument-default
"B008", // function-call-in-default-argument
"E101", // indentation contains mixed spaces and tabs
"E401", // multiple imports on one line
"E402", // module level import not at top of file
"E701", // multiple statements on one line (colon)
"E702", // multiple statements on one line (semicolon)
"E703", // statement ends with a semicolon
"E711", // comparison to None should be 'if cond is None:'
"E714", // test for object identity should be "is not"
"E721", // do not compare types, use "isinstance()"
"E722", // do not use bare 'except'
"E742", // do not define classes named "l", "O", or "I"
"E743", // do not define functions named "l", "O", or "I"
"F401", // module imported but unused
"F402", // import module from line N shadowed by loop variable
"F403", // 'from foo_module import *' used; unable to detect undefined names
"F404", // future import(s) name after other statements
"F405", // foo_function may be undefined, or defined from star imports: bar_module
"F406", // "from module import *" only allowed at module level
"F407", // an undefined __future__ feature name was imported
"F601", // dictionary key name repeated with different values
"F602", // dictionary key variable name repeated with different values
"F621", // too many expressions in an assignment with star-unpacking
"F631", // assertion test is a tuple, which are always True
"F632", // use ==/!= to compare str, bytes, and int literals
"F811", // redefinition of unused name from line N
"F821", // undefined name 'Foo'
"F822", // undefined name name in __all__
"F823", // local variable name … referenced before assignment
"F841", // local variable 'foo' is assigned to but never used
"W191", // indentation contains tabs
"W291", // trailing whitespace
"W292", // no newline at end of file
"W293", // blank line contains whitespace
"W605", // invalid escape sequence "x"
]
.join(",")
);
let files = check_output(
git()
.args(["ls-files", "--", "*.py"])
@ -198,7 +236,7 @@ fn lint_py_lint() -> LintResult {
)?;
let mut cmd = Command::new(bin_name);
cmd.arg("check").args(checks).args(files.lines());
cmd.args(["check", &checks]).args(files.lines());
match cmd.status() {
Ok(status) if status.success() => Ok(()),