Implemented load_plugin() which handles local or remote paths. Also added some error handling surrounding the loading of plugins.

This commit is contained in:
Anton Hvornum 2021-05-24 13:56:57 +02:00
parent 1fff9b44d1
commit c7426067dd
1 changed files with 51 additions and 1 deletions

View File

@ -1,5 +1,14 @@
import hashlib
import importlib
import logging
import os
import sys
import urllib.parse
import urllib.request
from importlib import metadata
from .output import log
plugins = {}
# 1: List archinstall.plugin definitions
@ -7,4 +16,45 @@ plugins = {}
# 3: Initiate the plugin and store it as .name in plugins
for plugin_definition in metadata.entry_points()['archinstall.plugin']:
plugin_entrypoint = plugin_definition.load()
plugins[plugin_definition.name] = plugin_entrypoint()
try:
plugins[plugin_definition.name] = plugin_entrypoint()
except Exception as err:
log(err, level=logging.ERROR)
log(f"The above error was detected when loading the plugin: {plugin_definition}", fg="red", level=logging.ERROR)
def localize_path(profile_path :str) -> str:
if (url := urllib.parse.urlparse(profile_path)).scheme and url.scheme in ('https', 'http'):
converted_path = f"/tmp/{os.path.basename(profile_path).replace('.py', '')}_{hashlib.md5(os.urandom(12)).hexdigest()}.py"
with open(converted_path, "w") as temp_file:
temp_file.write(urllib.request.urlopen(url.geturl()).read().decode('utf-8'))
return converted_path
else:
return profile_path
def import_via_path(path :str, namespace=None): # -> module (not sure how to write that in type definitions)
if not namespace:
namespace = os.path.basename(path)
try:
spec = importlib.util.spec_from_file_location(namespace, path)
imported = importlib.util.module_from_spec(spec)
sys.modules[namespace] = imported
spec.loader.exec_module(sys.modules[namespace])
except Exception as err:
log(err, level=logging.ERROR)
log(f"The above error was detected when loading the plugin: {path}", fg="red", level=logging.ERROR)
return sys.modules[namespace]
def load_plugin(path :str): # -> module (not sure how to write that in type definitions)
parsed_url = urllib.parse.urlparse(path)
# The Profile was not a direct match on a remote URL
if not parsed_url.scheme:
# Path was not found in any known examples, check if it's an absolute path
if os.path.isfile(path):
return import_via_path(path)
elif parsed_url.scheme in ('https', 'http'):
return import_via_path(localize_path(path))