zulip/scripts/lib/setup_path_on_import.py

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"""
Use libraries from a virtualenv (by modifying sys.path) in production.
Also add Zulip's root directory to sys.path
"""
import os
from os.path import dirname, abspath
import sys
BASE_DIR = dirname(dirname(dirname(abspath(__file__))))
activate_this = os.path.join(BASE_DIR, "zulip-venv", "bin", "activate_this.py")
if os.path.exists(activate_this):
# this file will exist in production
exec(open(activate_this).read(), {}, dict(__file__=activate_this)) # type: ignore # https://github.com/python/mypy/issues/1577
sys.path.append(BASE_DIR)