e769735108
Previous tuple generation logic was throwing an error parsing version like 3.6.7rc1 because micro-versions (like '7rc1') cannot be converted into an integer. Fixes #482.
120 lines
5 KiB
Python
Executable file
120 lines
5 KiB
Python
Executable file
#!/usr/bin/env python3
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import os
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import sys
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import argparse
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import subprocess
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import glob
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from importlib import import_module
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CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
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ZULIP_BOTS_DIR = os.path.join(CURRENT_DIR, '..', 'zulip_bots')
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sys.path.append(ZULIP_BOTS_DIR)
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red = '\033[91m'
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green = '\033[92m'
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end_format = '\033[0m'
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bold = '\033[1m'
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def main():
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usage = """./tools/provision
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Creates a Python virtualenv. Its Python version is equal to
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the Python version this command is executed with."""
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parser = argparse.ArgumentParser(usage=usage)
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parser.add_argument('--python-interpreter', '-p',
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metavar='PATH_TO_PYTHON_INTERPRETER',
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default=os.path.abspath(sys.executable),
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help='Path to the Python interpreter to use when provisioning.')
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parser.add_argument('--force', '-f', action='store_true',
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help='create venv even with outdated Python version.')
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options = parser.parse_args()
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base_dir = os.path.abspath(os.path.join(__file__, '..', '..'))
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py_version_output = subprocess.check_output([options.python_interpreter, '--version'],
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stderr=subprocess.STDOUT, universal_newlines=True)
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# The output has the format "Python 1.2.3"
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py_version_list = py_version_output.split()[1].split('.')
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py_version = tuple(int(num) for num in py_version_list[0:2])
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venv_name = 'zulip-api-py{}-venv'.format(py_version[0])
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if py_version <= (3, 1) and (not options.force):
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print(red + "Provision failed: Cannot create venv with outdated Python version ({}).\n"
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"Maybe try `python3 tools/provision`."
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.format(py_version_output.strip()) + end_format)
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sys.exit(1)
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venv_dir = os.path.join(base_dir, venv_name)
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if not os.path.isdir(venv_dir):
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try:
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return_code = subprocess.call(['virtualenv', '-p', options.python_interpreter, venv_dir])
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except OSError:
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if subprocess.call(['which', 'virtualenv']):
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print("{red}Please install the virtualenv package and try again.{end_format}"
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.format(red='\033[91m', end_format='\033[0m'))
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sys.exit(1)
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raise
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else:
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if return_code:
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raise OSError("The command `virtualenv -p {} {}` failed. Virtualenv not created!"
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.format(options.python_interpreter, venv_dir))
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print("New virtualenv created.")
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else:
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print("Virtualenv already exists.")
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if os.path.isdir(os.path.join(venv_dir, 'Scripts')):
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# POSIX compatibility layer and Linux environment emulation for Windows
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# Virtual uses /Scripts instead of /bin on Windows.
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# Read https://virtualenv.pypa.io/en/stable/userguide/
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venv_exec_dir = 'Scripts'
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else:
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venv_exec_dir = 'bin'
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# In order to install all required packages for the venv, we need to activate it. Since
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# the activation script sets environmental variables, it needs to be executed inline with
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# `import_module`.
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activate_module_dir = os.path.abspath(os.path.join(venv_dir, venv_exec_dir))
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sys.path.append(activate_module_dir)
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import_module('activate_this')
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# In order to install all required packages for the venv, `pip` needs to be executed by
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# the venv's Python interpreter. `--prefix venv_dir` ensures that all modules are installed
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# in the right place.
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def install_dependencies(requirements_filename):
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pip_path = os.path.join(venv_dir, venv_exec_dir, 'pip')
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# We first install a modern version of pip that supports --prefix
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subprocess.call([pip_path, 'install', 'pip>=9.0'])
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if subprocess.call([pip_path, 'install', '--prefix', venv_dir, '-r',
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os.path.join(base_dir, requirements_filename)]):
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raise OSError("The command `pip install -r {}` failed. Dependencies not installed!"
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.format(os.path.join(base_dir, requirements_filename)))
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install_dependencies('requirements.txt')
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if py_version > (3, 1):
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install_dependencies('py3_requirements.txt')
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# Install all requirements for all bots. get_bot_paths()
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# has requirements that must be satisfied prior to calling
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# it by setup().
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current_dir = os.path.dirname(os.path.abspath(__file__))
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bots_dir = os.path.join(current_dir, "..", "zulip_bots", "zulip_bots", "bots")
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req_paths = glob.glob(bots_dir + "/*/requirements.txt")
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for req_path in req_paths:
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path_split = req_path.split(os.path.sep)[-5:]
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relative_path = os.path.join(*path_split)
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install_dependencies(relative_path)
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print(green + 'Success!' + end_format)
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activate_command = os.path.join(base_dir,
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venv_dir,
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venv_exec_dir,
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'activate')
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print('\nRun the following the enter the virtualenv:\n')
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print(bold + ' source ' + activate_command + end_format + "\n")
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if __name__ == '__main__':
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main()
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