107 lines
4.5 KiB
Python
Executable file
107 lines
4.5 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
|
|
import os
|
|
import sys
|
|
import argparse
|
|
import subprocess
|
|
|
|
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help='create venv even with outdated Python version.')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)
|
|
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print(red + "Provision failed: Cannot create venv with outdated Python version ({}).\n"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')
|
|
|
|
# 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')
|
|
if py_version > (3, 1):
|
|
install_dependencies('py3_requirements.txt')
|
|
|
|
print(green + 'Success!' + end_format)
|
|
|
|
activate_command = os.path.join(base_dir,
|
|
venv_dir,
|
|
venv_exec_dir,
|
|
'activate')
|
|
print('\nRun the following the enter the virtualenv:\n')
|
|
print(bold + ' source ' + activate_command + end_format + "\n")
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|