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import pluggy
import os
import importlib
import sys
# Global plugin namespace for changedetection.io
PLUGIN_NAMESPACE = "changedetectionio"
hookspec = pluggy.HookspecMarker(PLUGIN_NAMESPACE)
hookimpl = pluggy.HookimplMarker(PLUGIN_NAMESPACE)
class ChangeDetectionSpec:
"""Hook specifications for extending changedetection.io functionality."""
@hookspec
def ui_edit_stats_extras(watch):
"""Return HTML content to add to the stats tab in the edit view.
Args:
watch: The watch object being edited
Returns:
str: HTML content to be inserted in the stats tab
"""
pass
# Set up Plugin Manager
plugin_manager = pluggy.PluginManager(PLUGIN_NAMESPACE)
# Register hookspecs
plugin_manager.add_hookspecs(ChangeDetectionSpec)
# Load plugins from subdirectories
def load_plugins_from_directories():
# Dictionary of directories to scan for plugins
plugin_dirs = {
'conditions': os.path.join(os.path.dirname(__file__), 'conditions', 'plugins'),
# Add more plugin directories here as needed
}
# Note: Removed the direct import of example_word_count_plugin as it's now in the conditions/plugins directory
for dir_name, dir_path in plugin_dirs.items():
if not os.path.exists(dir_path):
continue
# Get all Python files (excluding __init__.py)
for filename in os.listdir(dir_path):
if filename.endswith(".py") and filename != "__init__.py":
module_name = filename[:-3] # Remove .py extension
module_path = f"changedetectionio.{dir_name}.plugins.{module_name}"
try:
module = importlib.import_module(module_path)
# Register the plugin with pluggy
plugin_manager.register(module, module_name)
except (ImportError, AttributeError) as e:
print(f"Error loading plugin {module_name}: {e}")
# Load plugins
load_plugins_from_directories()
# Discover installed plugins from external packages (if any)
plugin_manager.load_setuptools_entrypoints(PLUGIN_NAMESPACE)
# Helper function to collect UI stats extras from all plugins
def collect_ui_edit_stats_extras(watch):
"""Collect and combine HTML content from all plugins that implement ui_edit_stats_extras"""
extras_content = []
# Get all plugins that implement the ui_edit_stats_extras hook
results = plugin_manager.hook.ui_edit_stats_extras(watch=watch)
# If we have results, add them to our content
if results:
for result in results:
if result: # Skip empty results
extras_content.append(result)
return "\n".join(extras_content) if extras_content else "" |