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auto_install_packages.py
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auto_install_packages.py
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#!/usr/bin/env python3
import sys
import os
import subprocess
from tempfile import mkdtemp
from typing import Optional
import extractor_version
def _check_call(command, extra_env={}):
print('+ {}'.format(' '.join(command)), flush=True)
env = os.environ.copy()
env.update(extra_env)
subprocess.check_call(command, stdin=subprocess.DEVNULL, env=env)
def _check_output(command, extra_env={}):
print('+ {}'.format(' '.join(command)), flush=True)
env = os.environ.copy()
env.update(extra_env)
out = subprocess.check_output(command, stdin=subprocess.DEVNULL, env=env)
print(out, flush=True)
sys.stderr.flush()
return out
def install_packages_with_poetry():
# To handle poetry 1.2, which started to use keyring interaction MUCH more, we need
# add a workaround. See
# https://github.com/python-poetry/poetry/issues/2692#issuecomment-1235683370
extra_poetry_env = {"PYTHON_KEYRING_BACKEND": "keyring.backends.null.Keyring"}
command = [sys.executable, '-m', 'poetry']
if sys.platform.startswith('win32'):
# In windows the default path were the deps are installed gets wiped out between steps,
# so we have to set it up to a folder that will be kept
os.environ['POETRY_VIRTUALENVS_PATH'] = os.path.join(os.environ['RUNNER_WORKSPACE'], 'virtualenvs')
try:
_check_call(command + ['install', '--no-root'], extra_env=extra_poetry_env)
except subprocess.CalledProcessError:
sys.exit('package installation with poetry failed, see error above')
# poetry is super annoying with `poetry run`, since it will put lots of output on
# STDOUT if the current global python interpreter is not matching the one in the
# virtualenv for the package, which was the case for using poetry for Python 2 when
# default system interpreter was Python 3 :/
poetry_out = _check_output(command + ['run', 'which', 'python'], extra_env=extra_poetry_env)
python_executable_path = poetry_out.decode('utf-8').splitlines()[-1]
if sys.platform.startswith('win32'):
# Poetry produces a path that starts by /d instead of D:\ and Windows doesn't like that way of specifying the drive letter.
# We completely remove it because it is not needed as everything is in the same drive (We are installing the dependencies in the RUNNER_WORKSPACE)
python_executable_path = python_executable_path[2:]
return python_executable_path
def install_packages_with_pipenv(has_lockfile):
command = [sys.executable, '-m', 'pipenv']
if sys.platform.startswith('win32'):
# In windows the default path were the deps are installed gets wiped out between steps,
# so we have to set it up to a folder that will be kept
os.environ['WORKON_HOME'] = os.path.join(os.environ['RUNNER_WORKSPACE'], 'virtualenvs')
lock_args = ['--keep-outdated', '--ignore-pipfile'] if has_lockfile else ['--skip-lock']
try:
_check_call(command + ['install'] + lock_args)
except subprocess.CalledProcessError:
sys.exit('package installation with pipenv failed, see error above')
pipenv_out = _check_output(command + ['run', 'which', 'python'])
python_executable_path = pipenv_out.decode('utf-8').splitlines()[-1]
if sys.platform.startswith('win32'):
# Pipenv produces a path that starts by /d instead of D:\ and Windows doesn't like that way of specifying the drive letter.
# We completely remove it because it is not needed as everything is in the same drive (We are installing the dependencies in the RUNNER_WORKSPACE)
python_executable_path = python_executable_path[2:]
return python_executable_path
def _create_venv(version: int):
# create temporary directory ... that just lives "forever"
venv_path = os.path.join(os.environ['RUNNER_WORKSPACE'], 'codeql-action-python-autoinstall')
print ("Creating venv in " + venv_path, flush = True)
# virtualenv is a bit nicer for setting up virtual environment, since it will provide
# up-to-date versions of pip/setuptools/wheel which basic `python3 -m venv venv` won't
if sys.platform.startswith('win32'):
if version == 2:
_check_call(['py', '-2', '-m', 'virtualenv', venv_path])
elif version == 3:
_check_call(['py', '-3', '-m', 'virtualenv', venv_path])
else:
if version == 2:
_check_call(['python2', '-m', 'virtualenv', venv_path])
elif version == 3:
_check_call(['python3', '-m', 'virtualenv', venv_path])
return venv_path
def install_requirements_txt_packages(version: int):
venv_path = _create_venv(version)
venv_pip = os.path.join(venv_path, 'bin', 'pip')
venv_python = os.path.join(venv_path, 'bin', 'python')
if sys.platform.startswith('win32'):
venv_pip = os.path.join(venv_path, 'Scripts', 'pip')
venv_python = os.path.join(venv_path, 'Scripts', 'python')
try:
_check_call([venv_pip, 'install', '-r', 'requirements.txt'])
except subprocess.CalledProcessError:
sys.exit('package installation with `pip install -r requirements.txt` failed, see error above')
return venv_python
def install_with_setup_py(version: int):
venv_path = _create_venv(version)
venv_pip = os.path.join(venv_path, 'bin', 'pip')
venv_python = os.path.join(venv_path, 'bin', 'python')
if sys.platform.startswith('win32'):
venv_pip = os.path.join(venv_path, 'Scripts', 'pip')
venv_python = os.path.join(venv_path, 'Scripts', 'python')
try:
# We have to choose between `python setup.py develop` and `pip install -e .`.
# Modern projects use `pip install -e .` and I wasn't able to see any downsides
# to doing so. However, `python setup.py develop` has some downsides -- from
# https://stackoverflow.com/a/19048754 :
# > Note that it is highly recommended to use pip install . (install) and pip
# > install -e . (developer install) to install packages, as invoking setup.py
# > directly will do the wrong things for many dependencies, such as pull
# > prereleases and incompatible package versions, or make the package hard to
# > uninstall with pip.
_check_call([venv_pip, 'install', '-e', '.'])
except subprocess.CalledProcessError:
sys.exit('package installation with `pip install -e .` failed, see error above')
return venv_python
def install_packages(codeql_base_dir) -> Optional[str]:
if os.path.exists('poetry.lock'):
print('Found poetry.lock, will install packages with poetry', flush=True)
return install_packages_with_poetry()
if os.path.exists('Pipfile') or os.path.exists('Pipfile.lock'):
if os.path.exists('Pipfile.lock'):
print('Found Pipfile.lock, will install packages with Pipenv', flush=True)
return install_packages_with_pipenv(has_lockfile=True)
else:
print('Found Pipfile, will install packages with Pipenv', flush=True)
return install_packages_with_pipenv(has_lockfile=False)
# get_extractor_version returns the Python version the extractor thinks this repo is using
version = extractor_version.get_extractor_version(codeql_base_dir, quiet=False)
if os.path.exists('requirements.txt'):
print('Found requirements.txt, will install packages with pip', flush=True)
return install_requirements_txt_packages(version)
if os.path.exists('setup.py'):
print('Found setup.py, will install package with pip in editable mode', flush=True)
return install_with_setup_py(version)
print("was not able to install packages automatically", flush=True)
return None
if __name__ == "__main__":
if len(sys.argv) != 2:
sys.exit('Must provide base directory for codeql tool as only argument')
codeql_base_dir = sys.argv[1]
python_executable_path = install_packages(codeql_base_dir)
if python_executable_path is not None:
# see https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#setting-an-environment-variable
env_file = open(os.environ["GITHUB_ENV"], mode="at")
print("Setting CODEQL_PYTHON={}".format(python_executable_path))
print("CODEQL_PYTHON={}".format(python_executable_path), file=env_file)