4.7. CI/CD Tools

• https://pre-commit.com/

• https://wiki.python.org/moin/PythonTestingToolsTaxonomy

4.7.1. Static Analysis

Table 4.5. Static Analysis

Tool	Description
pylama
pylint
pyflakes
flake8
SonarQube
SonarScanner
SonarLint

4.7.2. Security

Table 4.6. Security

Tool	Description
safety
bandit

4.7.3. Distributing and Packaging

Table 4.7. Distributing and Packaging

Tool	Description
pipenv	Frozen env
venv

4.7.4. Code Style and Practices

Table 4.8. Code Style and Practices

Tool	Description
pycodestyle
pydocestyle
eradicate	Remove commented code
isort
cloc	Count Lines of Code

4.7.5. Code complexity and Coverage

Table 4.9. Code complexity and Coverage

Tool	Description
mccabe
radon
coverage
pytest-cov

4.7.6. Testing

Table 4.10. Testing

Tool	Description
doctest
unittest
selenium
behave
mutpy
tox
pytest

4.7.7. Type Checking

Table 4.11. Type Checking

Tool	Description
mypy
pyre-check
pytype
monkeytype
pyannotate

4.7.8. Database Schema Migration

Table 4.12. Database Schema Migration

Tool	Description
SQLAlchemy
django.migrations
Liquibase
FlywayDB

4.7.9. Running

import os
import subprocess
import logging
from config import APPS, STDOUT_DIRECTORY, PROJECT_DIRECTORY


logging.basicConfig(
    level=logging.DEBUG,
    format='[%(asctime).19s] %(levelname)s\t %(message)s')

# pip install pylama
# pip install radon
# pip install bandit
# pip install pycodestyle
# pip install eradicate
# pip install mccabe
# pip install pyflakes
# pip install pylint
# pip install isort
# pip install pydocstyle
#
# ## setup.cfg
#
# [pylama:pycodestyle]
# max_line_length = 300


COMMANDS = [
    {'name': 'bandit',      'timeout': 180, 'command': 'bandit --recursive {directory}'},
    {'name': 'cloc',        'timeout': 180, 'command': 'cloc --fullpath --not-match-d="(migrations|tinymce|jquery)" {directory}'},
    {'name': 'pycodestyle', 'timeout': 180, 'command': 'pylama --format parsable --linters pycodestyle --skip="*/migrations/*" {directory}'},
    {'name': 'eradicate',   'timeout': 180, 'command': 'pylama --format parsable --linters eradicate --skip="*/migrations/*" {directory}'},
    {'name': 'mccabe',      'timeout': 180, 'command': 'pylama --format parsable --linters mccabe --skip="*/migrations/*" {directory}'},
    {'name': 'radon',       'timeout': 180, 'command': 'pylama --format parsable --linters radon --skip="*/migrations/*" {directory}'},
    {'name': 'pyflakes',    'timeout': 180, 'command': 'pylama --format parsable --linters pyflakes --skip="*/migrations/*" {directory}'},
    {'name': 'isort',       'timeout': 180, 'command': 'pylama --format parsable --linters isort --skip="*/migrations/*" {directory}'},
    {'name': 'pydocstyle',  'timeout': 180, 'command': 'pylama --format parsable --linters pydocstyle --skip="*/migrations/*" --ignore=D100,D101,D102,D103,D104,D105,D106,D107,D200,D205,D212,D400,D404 {directory}'},
    {'name': 'pylint',      'timeout': 180, 'command': 'pylama --format parsable --linters pylint --skip="*/migrations/*" {directory}'},
]


os.chdir(PROJECT_DIRECTORY)


for app_name in APPS:
    logging.warning('Processing: "{}"'.format(app_name))
    stdout_dir = os.path.join(STDOUT_DIRECTORY, app_name)
    os.makedirs(stdout_dir, exist_ok=True)

    for command in COMMANDS:
        linter = command['name']
        cmd = command['command'].format(directory=app_name)
        header = '``{}``'.format(linter)
        underscore = '-' * len(header)
        stdout_file = os.path.join(stdout_dir, linter+'.txt')
        logging.info(cmd)

        try:
            result = subprocess.run(
                cmd,
                shell=True,
                timeout=command['timeout'],
                stdout=subprocess.PIPE,
                stderr=subprocess.PIPE,
                encoding='utf-8')
        except subprocess.TimeoutExpired:
            logging.error('Timeout exceeded')
            continue

        if result.stderr:
            logging.debug(result.stderr)

        with open(stdout_file, mode='w') as file:
            file.write(result.stdout)


HEADER = """

Static Analysis
===============
"""

REPORT = """
.. code-block:: console
    :caption: Running static analysis ``{linter}`` for module ``{app}``

    {command}

.. literalinclude:: /_stdout/{app}/{linter}.txt
    :caption: Result of static analysis ``{linter}`` for module ``{app}``
    :language: text
"""

for app_name in APPS:
    logging.warning('Adding reports: "{}"'.format(app_name))
    report_file = os.path.join(STDOUT_DIRECTORY, '..', 'code-review', app_name + '.rst')

    with open(report_file, mode='a') as file:
        file.write(HEADER)
        file.write('\n')

    for command in COMMANDS:
        linter = command['name']
        cmd = command['command'].format(directory=app_name)
        header = '``{}``'.format(linter)
        underscore = '-' * len(header)

        with open(report_file, mode='a') as file:
            file.write(header)
            file.write('\n')
            file.write(underscore)
            file.write('\n')
            file.write(REPORT.format(linter=linter, command=cmd, app=app_name))
            file.write('\n')