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import logging
import os
import subprocess
import sys
import zipfile
from glob import glob
from pathlib import Path
logger = logging.getLogger(__name__)
def install_plugin_dependencies():
"""
Installs dependencies for all plugins in the plugins dir.
Args:
None
Returns:
None
"""
plugins_dir = Path(os.getenv("PLUGINS_DIR", "plugins"))
logger.debug(f"Checking for dependencies in zipped plugins...")
# Install zip-based plugins
for plugin_archive in plugins_dir.glob("*.zip"):
logger.debug(f"Checking for requirements in '{plugin_archive}'...")
with zipfile.ZipFile(str(plugin_archive), "r") as zfile:
if not zfile.namelist():
continue
# Assume the first entry in the list will be (in) the lowest common dir
first_entry = zfile.namelist()[0]
basedir = first_entry.rsplit("/", 1)[0] if "/" in first_entry else ""
logger.debug(f"Looking for requirements.txt in '{basedir}'")
basereqs = os.path.join(basedir, "requirements.txt")
try:
extracted = zfile.extract(basereqs, path=plugins_dir)
except KeyError as e:
logger.debug(e.args[0])
continue
logger.debug(f"Installing dependencies from '{basereqs}'...")
subprocess.check_call(
[sys.executable, "-m", "pip", "install", "-r", extracted]
)
os.remove(extracted)
os.rmdir(os.path.join(plugins_dir, basedir))
logger.debug(f"Checking for dependencies in other plugin folders...")
# Install directory-based plugins
for requirements_file in glob(f"{plugins_dir}/*/requirements.txt"):
logger.debug(f"Installing dependencies from '{requirements_file}'...")
subprocess.check_call(
[sys.executable, "-m", "pip", "install", "-r", requirements_file],
stdout=subprocess.DEVNULL,
)
logger.debug("Finished installing plugin dependencies")
if __name__ == "__main__":
install_plugin_dependencies()
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