127 lines
		
	
	
	
		
			5.5 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
	
		
			5.5 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable file
		
	
	
	
	
| #!/usr/bin/env python3
 | |
| 
 | |
| import os
 | |
| import sys
 | |
| import argparse
 | |
| import subprocess
 | |
| import glob
 | |
| 
 | |
| from importlib import import_module
 | |
| 
 | |
| CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
 | |
| ZULIP_BOTS_DIR = os.path.join(CURRENT_DIR, '..', 'zulip_bots')
 | |
| sys.path.append(ZULIP_BOTS_DIR)
 | |
| 
 | |
| red = '\033[91m'
 | |
| green = '\033[92m'
 | |
| end_format = '\033[0m'
 | |
| bold = '\033[1m'
 | |
| 
 | |
| def main():
 | |
|     usage = """./tools/provision
 | |
| 
 | |
| Creates a Python virtualenv. Its Python version is equal to
 | |
| the Python version this command is executed with."""
 | |
|     parser = argparse.ArgumentParser(usage=usage)
 | |
|     parser.add_argument('--python-interpreter', '-p',
 | |
|                         metavar='PATH_TO_PYTHON_INTERPRETER',
 | |
|                         default=os.path.abspath(sys.executable),
 | |
|                         help='Path to the Python interpreter to use when provisioning.')
 | |
|     parser.add_argument('--force', '-f', action='store_true',
 | |
|                         help='create venv even with outdated Python version.')
 | |
|     options = parser.parse_args()
 | |
| 
 | |
|     base_dir = os.path.abspath(os.path.join(__file__, '..', '..'))
 | |
|     py_version_output = subprocess.check_output([options.python_interpreter, '--version'],
 | |
|                                                 stderr=subprocess.STDOUT, universal_newlines=True)
 | |
|     # The output has the format "Python 1.2.3"
 | |
|     py_version_list = py_version_output.split()[1].split('.')
 | |
|     py_version = tuple(int(num) for num in py_version_list[0:2])
 | |
|     venv_name = 'zulip-api-py{}-venv'.format(py_version[0])
 | |
| 
 | |
|     if py_version <= (3, 1) and (not options.force):
 | |
|         print(red + "Provision failed: Cannot create venv with outdated Python version ({}).\n"
 | |
|               "Maybe try `python3 tools/provision`."
 | |
|               .format(py_version_output.strip()) + end_format)
 | |
|         sys.exit(1)
 | |
| 
 | |
|     venv_dir = os.path.join(base_dir, venv_name)
 | |
|     if not os.path.isdir(venv_dir):
 | |
|         try:
 | |
|             return_code = subprocess.call(['virtualenv', '-p', options.python_interpreter, venv_dir])
 | |
|         except OSError:
 | |
|             if subprocess.call(['which', 'virtualenv']):
 | |
|                 print("{red}Please install the virtualenv package and try again.{end_format}"
 | |
|                       .format(red='\033[91m', end_format='\033[0m'))
 | |
|                 sys.exit(1)
 | |
|             raise
 | |
|         else:
 | |
|             if return_code:
 | |
|                 raise OSError("The command `virtualenv -p {} {}` failed. Virtualenv not created!"
 | |
|                               .format(options.python_interpreter, venv_dir))
 | |
|             print("New virtualenv created.")
 | |
|     else:
 | |
|         print("Virtualenv already exists.")
 | |
| 
 | |
|     if os.path.isdir(os.path.join(venv_dir, 'Scripts')):
 | |
|         # POSIX compatibility layer and Linux environment emulation for Windows
 | |
|         # Virtual uses /Scripts instead of /bin on Windows.
 | |
|         # Read https://virtualenv.pypa.io/en/stable/userguide/
 | |
|         venv_exec_dir = 'Scripts'
 | |
|     else:
 | |
|         venv_exec_dir = 'bin'
 | |
| 
 | |
|     # In order to install all required packages for the venv, we need to activate it. Since
 | |
|     # the activation script sets environmental variables, it needs to be executed inline with
 | |
|     # `import_module`.
 | |
|     activate_module_dir = os.path.abspath(os.path.join(venv_dir, venv_exec_dir))
 | |
|     sys.path.append(activate_module_dir)
 | |
| 
 | |
|     import_module('activate_this')
 | |
| 
 | |
|     # On OS X, ensure we use the virtualenv version of the python binary for
 | |
|     # future subprocesses instead of the version that this script was launched with. See
 | |
|     # https://stackoverflow.com/questions/26323852/whats-the-meaning-of-pyvenv-launcher-environment-variable
 | |
|     if '__PYVENV_LAUNCHER__' in os.environ:
 | |
|         del os.environ['__PYVENV_LAUNCHER__']
 | |
| 
 | |
|     # In order to install all required packages for the venv, `pip` needs to be executed by
 | |
|     # the venv's Python interpreter. `--prefix venv_dir` ensures that all modules are installed
 | |
|     # in the right place.
 | |
|     def install_dependencies(requirements_filename):
 | |
|         pip_path = os.path.join(venv_dir, venv_exec_dir, 'pip')
 | |
|         # We first install a modern version of pip that supports --prefix
 | |
|         subprocess.call([pip_path, 'install', 'pip>=9.0'])
 | |
|         if subprocess.call([pip_path, 'install', '--prefix', venv_dir, '-r',
 | |
|                             os.path.join(base_dir, requirements_filename)]):
 | |
|             raise OSError("The command `pip install -r {}` failed. Dependencies not installed!"
 | |
|                           .format(os.path.join(base_dir, requirements_filename)))
 | |
| 
 | |
|     install_dependencies('requirements.txt')
 | |
| 
 | |
|     # Install all requirements for all bots. get_bot_paths()
 | |
|     # has requirements that must be satisfied prior to calling
 | |
|     # it by setup().
 | |
|     current_dir = os.path.dirname(os.path.abspath(__file__))
 | |
|     bots_dir = os.path.join(current_dir, "..", "zulip_bots", "zulip_bots", "bots")
 | |
|     req_paths = glob.glob(bots_dir + "/*/requirements.txt")
 | |
|     for req_path in req_paths:
 | |
|         path_split = req_path.split(os.path.sep)[-5:]
 | |
|         relative_path = os.path.join(*path_split)
 | |
|         install_dependencies(relative_path)
 | |
| 
 | |
|     print(green + 'Success!' + end_format)
 | |
| 
 | |
|     activate_command = os.path.join(base_dir,
 | |
|                                     venv_dir,
 | |
|                                     venv_exec_dir,
 | |
|                                     'activate')
 | |
|     # We make the path look like a Unix path, because most Windows users
 | |
|     # are likely to be running in a bash shell.
 | |
|     activate_command = activate_command.replace(os.sep, '/')
 | |
|     print('\nRun the following to enter into the virtualenv:\n')
 | |
|     print(bold + '  source ' + activate_command + end_format + "\n")
 | |
| 
 | |
| 
 | |
| if __name__ == '__main__':
 | |
|     main()
 | 
