index : archinstall32 | |
Archlinux32 installer | gitolite user |
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-rw-r--r-- | archinstall/lib/plugins.py | 91 |
diff --git a/archinstall/lib/plugins.py b/archinstall/lib/plugins.py index 0ff63610..4ccb0666 100644 --- a/archinstall/lib/plugins.py +++ b/archinstall/lib/plugins.py @@ -1,105 +1,120 @@ import hashlib import importlib -import logging import os import sys -import pathlib import urllib.parse import urllib.request from importlib import metadata +from pathlib import Path from typing import Optional, List -from types import ModuleType -from .output import log +from .output import error, info, warn from .storage import storage plugins = {} + # 1: List archinstall.plugin definitions # 2: Load the plugin entrypoint # 3: Initiate the plugin and store it as .name in plugins for plugin_definition in metadata.entry_points().select(group='archinstall.plugin'): plugin_entrypoint = plugin_definition.load() + 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) + error( + f'Error: {err}', + f"The above error was detected when loading the plugin: {plugin_definition}" + ) + +def _localize_path(path: Path) -> Path: + """ + Support structures for load_plugin() + """ + url = urllib.parse.urlparse(str(path)) -# The following functions and core are support structures for load_plugin() -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" + if url.scheme and url.scheme in ('https', 'http'): + converted_path = Path(f'/tmp/{path.stem}_{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 + return path -def import_via_path(path :str, namespace :Optional[str] = None) -> ModuleType: +def _import_via_path(path: Path, namespace: Optional[str] = None) -> Optional[str]: if not namespace: namespace = os.path.basename(path) if namespace == '__init__.py': - path = pathlib.PurePath(path) namespace = path.parent.name 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]) + if spec and spec.loader: + imported = importlib.util.module_from_spec(spec) + sys.modules[namespace] = imported + spec.loader.exec_module(sys.modules[namespace]) return 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) + error( + f'Error: {err}', + f"The above error was detected when loading the plugin: {path}" + ) try: - del(sys.modules[namespace]) # noqa: E275 - except: + del sys.modules[namespace] + except Exception: pass -def find_nth(haystack :List[str], needle :str, n :int) -> int: - start = haystack.find(needle) - while start >= 0 and n > 1: - start = haystack.find(needle, start + len(needle)) - n -= 1 - return start + return namespace + + +def _find_nth(haystack: List[str], needle: str, n: int) -> Optional[int]: + indices = [idx for idx, elem in enumerate(haystack) if elem == needle] + if n <= len(indices): + return indices[n - 1] + return None + -def load_plugin(path :str) -> ModuleType: - parsed_url = urllib.parse.urlparse(path) - log(f"Loading plugin {parsed_url}.", fg="gray", level=logging.INFO) +def load_plugin(path: Path): + namespace: Optional[str] = None + parsed_url = urllib.parse.urlparse(str(path)) + info(f"Loading plugin from url {parsed_url}") # 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): - namespace = import_via_path(path) + namespace = _import_via_path(path) elif parsed_url.scheme in ('https', 'http'): - namespace = import_via_path(localize_path(path)) + localized = _localize_path(path) + namespace = _import_via_path(localized) - if namespace in sys.modules: + if namespace and namespace in sys.modules: # Version dependency via __archinstall__version__ variable (if present) in the plugin # Any errors in version inconsistency will be handled through normal error handling if not defined. if hasattr(sys.modules[namespace], '__archinstall__version__'): - archinstall_major_and_minor_version = float(storage['__version__'][:find_nth(storage['__version__'], '.', 2)]) + archinstall_major_and_minor_version = float(storage['__version__'][:_find_nth(storage['__version__'], '.', 2)]) if sys.modules[namespace].__archinstall__version__ < archinstall_major_and_minor_version: - log(f"Plugin {sys.modules[namespace]} does not support the current Archinstall version.", fg="red", level=logging.ERROR) + error(f"Plugin {sys.modules[namespace]} does not support the current Archinstall version.") # Locate the plugin entry-point called Plugin() # This in accordance with the entry_points() from setup.cfg above if hasattr(sys.modules[namespace], 'Plugin'): try: plugins[namespace] = sys.modules[namespace].Plugin() - log(f"Plugin {plugins[namespace]} has been loaded.", fg="gray", level=logging.INFO) + info(f"Plugin {plugins[namespace]} has been loaded.") except Exception as err: - log(err, level=logging.ERROR) - log(f"The above error was detected when initiating the plugin: {path}", fg="red", level=logging.ERROR) + error( + f'Error: {err}', + f"The above error was detected when initiating the plugin: {path}" + ) else: - log(f"Plugin '{path}' is missing a valid entry-point or is corrupt.", fg="yellow", level=logging.WARNING) + warn(f"Plugin '{path}' is missing a valid entry-point or is corrupt.") |