kopia lustrzana https://github.com/jedie/PyInventory
116 wiersze
3.0 KiB
Python
Executable File
116 wiersze
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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bootstrap CLI
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~~~~~~~~~~~~~
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Just call this file, and the magic happens ;)
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"""
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import hashlib
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import subprocess
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import sys
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import venv
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from pathlib import Path
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def print_no_pip_error():
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print('Error: Pip not available!')
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print('Hint: "apt-get install python3-venv"\n')
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try:
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from ensurepip import version
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except ModuleNotFoundError as err:
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print(err)
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print('-' * 100)
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print_no_pip_error()
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raise
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else:
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if not version():
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print_no_pip_error()
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sys.exit(-1)
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assert sys.version_info >= (3, 9), 'Python version is too old!'
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if sys.platform == 'win32': # wtf
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# Files under Windows, e.g.: .../.venv/Scripts/python.exe
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BIN_NAME = 'Scripts'
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FILE_EXT = '.exe'
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else:
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# Files under Linux/Mac and all other than Windows, e.g.: .../.venv/bin/python
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BIN_NAME = 'bin'
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FILE_EXT = ''
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BASE_PATH = Path(__file__).parent
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VENV_PATH = BASE_PATH / '.venv'
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BIN_PATH = VENV_PATH / BIN_NAME
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PYTHON_PATH = BIN_PATH / f'python{FILE_EXT}'
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PIP_PATH = BIN_PATH / f'pip{FILE_EXT}'
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PIP_SYNC_PATH = BIN_PATH / f'pip-sync{FILE_EXT}'
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DEP_LOCK_PATH = BASE_PATH / 'requirements.dev.txt'
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DEP_HASH_PATH = VENV_PATH / '.dep_hash'
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# script file defined in pyproject.toml as [console_scripts]
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# (Under Windows: ".exe" not added!)
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PROJECT_SHELL_SCRIPT = BIN_PATH / 'inventory_project'
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def get_dep_hash():
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"""Get SHA512 hash from poetry.lock content."""
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return hashlib.sha512(DEP_LOCK_PATH.read_bytes()).hexdigest()
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def store_dep_hash():
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"""Generate .venv/.dep_hash"""
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DEP_HASH_PATH.write_text(get_dep_hash())
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def venv_up2date():
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"""Is existing .venv is up-to-date?"""
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if DEP_HASH_PATH.is_file():
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return DEP_HASH_PATH.read_text() == get_dep_hash()
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return False
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def verbose_check_call(*popen_args):
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print(f'\n+ {" ".join(str(arg) for arg in popen_args)}\n')
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return subprocess.check_call(popen_args)
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def main(argv):
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assert DEP_LOCK_PATH.is_file(), f'File not found: "{DEP_LOCK_PATH}" !'
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# Create virtual env in ".venv/":
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if not PYTHON_PATH.is_file():
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print('Create virtual env here:', VENV_PATH.absolute())
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builder = venv.EnvBuilder(symlinks=True, upgrade=True, with_pip=True)
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builder.create(env_dir=VENV_PATH)
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# Update pip
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verbose_check_call(PYTHON_PATH, '-m', 'pip', 'install', '-U', 'pip')
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if not PIP_SYNC_PATH.is_file():
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# Install pip-tools
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verbose_check_call(PYTHON_PATH, '-m', 'pip', 'install', '-U', 'pip-tools')
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if not PROJECT_SHELL_SCRIPT.is_file() or not venv_up2date():
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# install requirements via "pip-sync"
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verbose_check_call(PIP_SYNC_PATH, str(DEP_LOCK_PATH))
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# install project
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verbose_check_call(PIP_PATH, 'install', '--no-deps', '-e', '.')
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store_dep_hash()
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# Call our entry point CLI:
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try:
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verbose_check_call(PROJECT_SHELL_SCRIPT, *sys.argv[1:])
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except subprocess.CalledProcessError as err:
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sys.exit(err.returncode)
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if __name__ == '__main__':
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main(sys.argv)
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