235 lines
8.4 KiB
Python
235 lines
8.4 KiB
Python
import json
|
|
import os
|
|
import shlex
|
|
import threading
|
|
import time
|
|
from typing import List, Set, Union
|
|
|
|
from fabric.utils import exec_shell_command_async
|
|
|
|
import config.data as data
|
|
import utils.icons as icons
|
|
from modules.launcher.plugin_base import PluginBase
|
|
from modules.launcher.result import Result
|
|
|
|
|
|
class SystemPlugin(PluginBase):
|
|
"""
|
|
Plugin for system commands and actions.
|
|
"""
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
self.display_name = "System"
|
|
self.description = "System commands and actions"
|
|
|
|
# JSON cache file for system binaries
|
|
self.bin_cache_file = os.path.join(data.CACHE_DIR, "system_binaries.json")
|
|
|
|
# In-memory cache for system binaries
|
|
self._bin_cache: Set[str] = set()
|
|
self._last_bin_update = 0
|
|
self._bin_update_interval = 300 # 5 minutes
|
|
|
|
# Background cache building
|
|
self._cache_building = False
|
|
self._cache_thread = None
|
|
|
|
def initialize(self):
|
|
"""Initialize the system plugin."""
|
|
self.set_triggers(["bin"])
|
|
self._load_bin_cache()
|
|
self._start_background_cache_update()
|
|
|
|
def cleanup(self):
|
|
"""Cleanup the system plugin."""
|
|
self._bin_cache.clear()
|
|
if self._cache_thread and self._cache_thread.is_alive():
|
|
# Note: We don't join the thread to avoid blocking cleanup
|
|
pass
|
|
|
|
def _load_bin_cache(self):
|
|
"""Load binary cache from JSON file."""
|
|
try:
|
|
if os.path.exists(self.bin_cache_file):
|
|
with open(self.bin_cache_file, "r", encoding="utf-8") as f:
|
|
cache_data = json.load(f)
|
|
self._bin_cache = set(cache_data.get("binaries", []))
|
|
self._last_bin_update = cache_data.get("last_update", 0)
|
|
else:
|
|
print("SystemPlugin: No cache file found, will build cache in background")
|
|
except Exception as e:
|
|
print(f"SystemPlugin: Error loading binary cache: {e}")
|
|
self._bin_cache = set()
|
|
self._last_bin_update = 0
|
|
|
|
def _save_bin_cache(self):
|
|
"""Save binary cache to JSON file."""
|
|
try:
|
|
# Ensure the cache directory exists
|
|
os.makedirs(data.CACHE_DIR, exist_ok=True)
|
|
|
|
cache_data = {
|
|
"binaries": sorted(list(self._bin_cache)),
|
|
"last_update": self._last_bin_update,
|
|
"cache_version": "1.0"
|
|
}
|
|
|
|
with open(self.bin_cache_file, "w", encoding="utf-8") as f:
|
|
json.dump(cache_data, f, indent=2)
|
|
except Exception as e:
|
|
print(f"SystemPlugin: Error saving binary cache: {e}")
|
|
|
|
def _start_background_cache_update(self):
|
|
"""Start background thread to update binary cache."""
|
|
current_time = time.time()
|
|
|
|
# Check if cache needs updating
|
|
if (current_time - self._last_bin_update > self._bin_update_interval or
|
|
not self._bin_cache):
|
|
|
|
if not self._cache_building:
|
|
self._cache_building = True
|
|
self._cache_thread = threading.Thread(
|
|
target=self._build_bin_cache_background,
|
|
daemon=True
|
|
)
|
|
self._cache_thread.start()
|
|
|
|
def _build_bin_cache_background(self):
|
|
"""Build binary cache in background thread."""
|
|
try:
|
|
new_cache = set()
|
|
processed_paths = set() # Avoid duplicate paths
|
|
|
|
for path in os.environ["PATH"].split(":"):
|
|
# Skip empty paths and duplicates
|
|
if not path or path in processed_paths:
|
|
continue
|
|
processed_paths.add(path)
|
|
|
|
if os.path.exists(path) and os.path.isdir(path):
|
|
try:
|
|
# Use os.scandir for better performance than os.listdir
|
|
with os.scandir(path) as entries:
|
|
for entry in entries:
|
|
if (entry.is_file(follow_symlinks=False) and
|
|
os.access(entry.path, os.X_OK)):
|
|
new_cache.add(entry.name)
|
|
except (PermissionError, FileNotFoundError, OSError):
|
|
continue
|
|
|
|
# Update cache atomically
|
|
self._bin_cache = new_cache
|
|
self._last_bin_update = time.time()
|
|
|
|
# Save to disk
|
|
self._save_bin_cache()
|
|
|
|
|
|
except Exception as e:
|
|
print(f"SystemPlugin: Error building binary cache: {e}")
|
|
finally:
|
|
self._cache_building = False
|
|
|
|
def query(self, query_string: str) -> List[Result]:
|
|
"""Search for system commands matching the query."""
|
|
query = query_string.strip()
|
|
|
|
if not query:
|
|
return []
|
|
|
|
results = []
|
|
|
|
# Parse the query to extract binary name and arguments
|
|
query_parts = query.split()
|
|
if not query_parts:
|
|
return []
|
|
|
|
binary_query = query_parts[0].lower()
|
|
full_command = query # Keep the original case and spacing
|
|
|
|
# Check system binaries
|
|
# Start background update if needed (non-blocking) - but only if cache is empty or very old
|
|
if not self._bin_cache or (time.time() - self._last_bin_update > self._bin_update_interval):
|
|
self._start_background_cache_update()
|
|
|
|
# Optimize search with early termination and result limiting
|
|
exact_matches = []
|
|
prefix_matches = []
|
|
partial_matches = []
|
|
max_results = 20 # Limit total results for performance
|
|
|
|
for binary in self._bin_cache:
|
|
# Pre-compute lowercase once
|
|
binary_lower = binary.lower()
|
|
|
|
# Skip if no match at all
|
|
if binary_query not in binary_lower:
|
|
continue
|
|
|
|
# Categorize matches for better sorting
|
|
if binary_lower == binary_query:
|
|
# Exact match - highest priority
|
|
display_command = full_command
|
|
command_to_execute = full_command
|
|
relevance = 1.0
|
|
exact_matches.append((binary, display_command, command_to_execute, relevance))
|
|
elif binary_lower.startswith(binary_query):
|
|
# Prefix match - high priority
|
|
display_command = binary
|
|
command_to_execute = binary
|
|
relevance = 0.9
|
|
prefix_matches.append((binary, display_command, command_to_execute, relevance))
|
|
else:
|
|
# Partial match - lower priority
|
|
display_command = binary
|
|
command_to_execute = binary
|
|
relevance = 0.7
|
|
partial_matches.append((binary, display_command, command_to_execute, relevance))
|
|
|
|
# Early termination if we have enough good matches
|
|
if len(exact_matches) + len(prefix_matches) >= max_results:
|
|
break
|
|
|
|
# Combine results in priority order
|
|
all_matches = exact_matches + prefix_matches + partial_matches
|
|
|
|
# Convert to Result objects (limit to max_results)
|
|
for binary, display_command, command_to_execute, relevance in all_matches[:max_results]:
|
|
result = Result(
|
|
title=display_command,
|
|
subtitle=f"Execute: {display_command}",
|
|
icon_markup=icons.terminal,
|
|
action=self._create_action(command_to_execute),
|
|
relevance=relevance,
|
|
plugin_name=self.display_name,
|
|
data={"command": command_to_execute, "id": binary},
|
|
)
|
|
results.append(result)
|
|
|
|
return results # Already sorted by priority
|
|
|
|
|
|
|
|
def _create_action(self, command: Union[str, List[str]]):
|
|
"""Create an action function for the given command."""
|
|
|
|
def action():
|
|
self._execute_command(command)
|
|
|
|
return action
|
|
|
|
def _execute_command(self, command: Union[str, List[str]]):
|
|
"""Execute a system command."""
|
|
try:
|
|
if isinstance(command, str):
|
|
# Handle string commands with arguments - split into list for proper execution
|
|
command_list = shlex.split(command)
|
|
exec_shell_command_async(command_list)
|
|
else:
|
|
# Handle list commands (backward compatibility)
|
|
exec_shell_command_async(command)
|
|
except Exception as e:
|
|
print(f"SystemPlugin: Error executing command '{command}': {e}")
|