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import os
import importlib
import pkgutil
from typing import List
from toolkit.paths import TOOLKIT_ROOT
class Extension(object):
"""Base class for extensions.
Extensions are registered with the ExtensionManager, which is
responsible for calling the extension's load() and unload()
methods at the appropriate times.
"""
name: str = None
uid: str = None
@classmethod
def get_process(cls):
# extend in subclass
pass
def get_all_extensions() -> List[Extension]:
extension_folders = ['extensions', 'extensions_built_in']
# This will hold the classes from all extension modules
all_extension_classes: List[Extension] = []
# Iterate over all directories (i.e., packages) in the "extensions" directory
for sub_dir in extension_folders:
extensions_dir = os.path.join(TOOLKIT_ROOT, sub_dir)
for (_, name, _) in pkgutil.iter_modules([extensions_dir]):
try:
# Import the module
module = importlib.import_module(f"{sub_dir}.{name}")
# Get the value of the AI_TOOLKIT_EXTENSIONS variable
extensions = getattr(module, "AI_TOOLKIT_EXTENSIONS", None)
# Check if the value is a list
if isinstance(extensions, list):
# Iterate over the list and add the classes to the main list
all_extension_classes.extend(extensions)
except ImportError as e:
print(f"Failed to import the {name} module. Error: {str(e)}")
return all_extension_classes
def get_all_extensions_process_dict():
all_extensions = get_all_extensions()
process_dict = {}
for extension in all_extensions:
process_dict[extension.uid] = extension.get_process()
return process_dict
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