6c27885702
This includes non mutable directories such as "config_examples" and "docs". Signed-off-by: Eric Callahan <arksine.code@gmail.com>
1364 lines
56 KiB
Python
1364 lines
56 KiB
Python
# Enhanced gcode file management and analysis
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#
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# Copyright (C) 2020 Eric Callahan <arksine.code@gmail.com>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import os
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import sys
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import shutil
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import logging
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import json
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import tempfile
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import asyncio
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from concurrent.futures import ThreadPoolExecutor
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from tornado.ioloop import IOLoop
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from tornado.locks import Event, Lock, Condition
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from inotify_simple import INotify
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from inotify_simple import flags as iFlags
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VALID_GCODE_EXTS = ['.gcode', '.g', '.gco', '.ufp', '.nc']
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FULL_ACCESS_ROOTS = ["gcodes", "config"]
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METADATA_SCRIPT = os.path.abspath(os.path.join(
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os.path.dirname(__file__), "../../scripts/extract_metadata.py"))
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WATCH_FLAGS = iFlags.CREATE | iFlags.DELETE | iFlags.MODIFY \
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| iFlags.MOVED_TO | iFlags.MOVED_FROM | iFlags.ONLYDIR \
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| iFlags.CLOSE_WRITE
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class FileManager:
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def __init__(self, config):
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self.server = config.get_server()
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self.file_paths = {}
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database = self.server.load_component(config, "database")
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gc_path = database.get_item("moonraker", "file_manager.gcode_path", "")
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self.gcode_metadata = MetadataStorage(self.server, gc_path, database)
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self.inotify_handler = INotifyHandler(config, self,
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self.gcode_metadata)
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self.write_mutex = Lock()
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self.notify_sync_lock = None
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self.fixed_path_args = {}
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# Register file management endpoints
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self.server.register_endpoint(
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"/server/files/list", ['GET'], self._handle_filelist_request)
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self.server.register_endpoint(
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"/server/files/metadata", ['GET'], self._handle_metadata_request)
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self.server.register_endpoint(
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"/server/files/directory", ['GET', 'POST', 'DELETE'],
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self._handle_directory_request)
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self.server.register_endpoint(
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"/server/files/move", ['POST'], self._handle_file_move_copy)
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self.server.register_endpoint(
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"/server/files/copy", ['POST'], self._handle_file_move_copy)
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self.server.register_endpoint(
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"/server/files/delete_file", ['DELETE'], self._handle_file_delete,
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protocol=["websocket"])
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# register client notificaitons
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self.server.register_notification("file_manager:filelist_changed")
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# Register APIs to handle file uploads
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self.server.register_upload_handler("/server/files/upload")
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self.server.register_upload_handler("/api/files/local")
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self.server.register_event_handler(
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"server:klippy_identified", self._update_fixed_paths)
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# Register Klippy Configuration Path
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config_path = config.get('config_path', None)
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if config_path is not None:
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ret = self.register_directory('config', config_path)
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if not ret:
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raise config.error(
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"Option 'config_path' is not a valid directory")
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# If gcode path is in the database, register it
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if gc_path:
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self.register_directory('gcodes', gc_path)
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def _update_fixed_paths(self):
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kinfo = self.server.get_klippy_info()
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paths = {k: kinfo.get(k) for k in
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['klipper_path', 'python_path',
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'log_file', 'config_file']}
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if paths == self.fixed_path_args:
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# No change in fixed paths
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return
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self.fixed_path_args = paths
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str_paths = "\n".join([f"{k}: {v}" for k, v in paths.items()])
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logging.debug(f"\nUpdating Fixed Paths:\n{str_paths}")
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# Register path for example configs
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klipper_path = paths.get('klipper_path', None)
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if klipper_path is not None:
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example_cfg_path = os.path.join(klipper_path, "config")
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self.register_directory("config_examples", example_cfg_path)
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docs_path = os.path.join(klipper_path, "docs")
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self.register_directory("docs", docs_path)
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# Register log path
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log_file = paths.get('log_file')
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if log_file is not None:
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log_path = os.path.abspath(os.path.expanduser(log_file))
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self.server.register_static_file_handler(
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"klippy.log", log_path, force=True)
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def register_directory(self, root, path):
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if path is None:
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return False
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path = os.path.abspath(os.path.expanduser(path))
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if os.path.islink(path):
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path = os.path.realpath(path)
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if not os.path.isdir(path) or path == "/":
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logging.info(
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f"\nSupplied path ({path}) for ({root}) a valid. Make sure\n"
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"that the path exists and is not the file system root.")
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return False
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permissions = os.R_OK
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if root in FULL_ACCESS_ROOTS:
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permissions |= os.W_OK
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if not os.access(path, permissions):
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logging.info(
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f"\nMoonraker does not have permission to access path "
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f"({path}) for ({root}).")
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return False
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if path != self.file_paths.get(root, ""):
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self.file_paths[root] = path
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self.server.register_static_file_handler(root, path)
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if root == "gcodes":
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database = self.server.lookup_component(
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"database").wrap_namespace("moonraker")
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database["file_manager.gcode_path"] = path
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# scan for metadata changes
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self.gcode_metadata.update_gcode_path(path)
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if root in FULL_ACCESS_ROOTS:
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# Refresh the file list and add watches
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self.inotify_handler.add_root_watch(root, path)
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else:
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IOLoop.current().spawn_callback(
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self.inotify_handler.notify_filelist_changed,
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"root_update", root, path)
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return True
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def get_sd_directory(self):
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return self.file_paths.get('gcodes', "")
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def get_registered_dirs(self):
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return list(self.file_paths.keys())
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def get_fixed_path_args(self):
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return dict(self.fixed_path_args)
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def get_relative_path(self, root, full_path):
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root_dir = self.file_paths.get(root, None)
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if root_dir is None or not full_path.startswith(root_dir):
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return ""
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return os.path.relpath(full_path, start=root_dir)
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def check_file_exists(self, root, filename):
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root_dir = self.file_paths.get(root, "")
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file_path = os.path.join(root_dir, filename)
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return os.path.exists(file_path)
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def sync_inotify_event(self, path):
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if self.notify_sync_lock is None or \
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not self.notify_sync_lock.check_need_sync(path):
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return None
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return self.notify_sync_lock
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async def _handle_filelist_request(self, web_request):
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root = web_request.get_str('root', "gcodes")
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return self.get_file_list(root, list_format=True)
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async def _handle_metadata_request(self, web_request):
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requested_file = web_request.get_str('filename')
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metadata = self.gcode_metadata.get(requested_file, None)
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if metadata is None:
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raise self.server.error(
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f"Metadata not available for <{requested_file}>", 404)
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metadata['filename'] = requested_file
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return metadata
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async def _handle_directory_request(self, web_request):
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directory = web_request.get_str('path', "gcodes")
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root, dir_path = self._convert_request_path(directory)
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action = web_request.get_action()
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if action == 'GET':
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is_extended = web_request.get_boolean('extended', False)
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# Get list of files and subdirectories for this target
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dir_info = self._list_directory(dir_path, is_extended)
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return dir_info
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async with self.write_mutex:
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result = {
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'item': {'path': directory, 'root': root},
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'action': "create_dir"}
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if action == 'POST' and root in FULL_ACCESS_ROOTS:
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# Create a new directory
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try:
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os.mkdir(dir_path)
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except Exception as e:
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raise self.server.error(str(e))
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elif action == 'DELETE' and root in FULL_ACCESS_ROOTS:
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# Remove a directory
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result['action'] = "delete_dir"
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if directory.strip("/") == root:
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raise self.server.error(
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"Cannot delete root directory")
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if not os.path.isdir(dir_path):
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raise self.server.error(
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f"Directory does not exist ({directory})")
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force = web_request.get_boolean('force', False)
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if force:
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# Make sure that the directory does not contain a file
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# loaded by the virtual_sdcard
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await self._handle_operation_check(dir_path)
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ioloop = IOLoop.current()
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self.notify_sync_lock = NotifySyncLock(dir_path)
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try:
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with ThreadPoolExecutor(max_workers=1) as tpe:
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await ioloop.run_in_executor(
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tpe, shutil.rmtree, dir_path)
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except Exception:
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self.notify_sync_lock.cancel()
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self.notify_sync_lock = None
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raise
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await self.notify_sync_lock.wait(30.)
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self.notify_sync_lock = None
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else:
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try:
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os.rmdir(dir_path)
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except Exception as e:
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raise self.server.error(str(e))
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else:
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raise self.server.error("Operation Not Supported", 405)
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return result
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async def _handle_operation_check(self, requested_path):
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if not self.get_relative_path("gcodes", requested_path):
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# Path not in the gcodes path
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return True
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# Get virtual_sdcard status
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klippy_apis = self.server.lookup_component('klippy_apis')
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result = await klippy_apis.query_objects({'print_stats': None})
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pstats = result.get('print_stats', {})
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loaded_file = pstats.get('filename', "")
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state = pstats.get('state', "")
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gc_path = self.file_paths.get('gcodes', "")
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full_path = os.path.join(gc_path, loaded_file)
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if loaded_file and state != "complete":
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if os.path.isdir(requested_path):
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# Check to see of the loaded file is in the request
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if full_path.startswith(requested_path):
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raise self.server.error("File currently in use", 403)
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elif full_path == requested_path:
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raise self.server.error("File currently in use", 403)
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ongoing = state in ["printing", "paused"]
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return ongoing
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def _convert_request_path(self, request_path):
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# Parse the root, relative path, and disk path from a remote request
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parts = request_path.strip("/").split("/", 1)
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if not parts:
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raise self.server.error(f"Invalid path: {request_path}")
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root = parts[0]
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if root not in self.file_paths:
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raise self.server.error(f"Invalid root path ({root})")
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disk_path = self.file_paths[root]
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if len(parts) > 1:
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disk_path = os.path.join(disk_path, parts[1])
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return root, disk_path
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async def _handle_file_move_copy(self, web_request):
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source = web_request.get_str("source")
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destination = web_request.get_str("dest")
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ep = web_request.get_endpoint()
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source_root, source_path = self._convert_request_path(source)
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dest_root, dest_path = self._convert_request_path(destination)
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if dest_root not in FULL_ACCESS_ROOTS:
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raise self.server.error(
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f"Destination path is read-only: {dest_root}")
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async with self.write_mutex:
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result = {'item': {'root': dest_root}}
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if not os.path.exists(source_path):
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raise self.server.error(f"File {source_path} does not exist")
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# make sure the destination is not in use
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if os.path.exists(dest_path):
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await self._handle_operation_check(dest_path)
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if ep == "/server/files/move":
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if source_root not in FULL_ACCESS_ROOTS:
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raise self.server.error(
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f"Source path is read-only, cannot move: {source_root}")
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# if moving the file, make sure the source is not in use
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await self._handle_operation_check(source_path)
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op_func = shutil.move
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result['source_item'] = {
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'path': source,
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'root': source_root
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}
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result['action'] = "move_dir" if os.path.isdir(source_path) \
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else "move_file"
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elif ep == "/server/files/copy":
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if os.path.isdir(source_path):
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result['action'] = "create_dir"
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op_func = shutil.copytree
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else:
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result['action'] = "create_file"
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op_func = shutil.copy2
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ioloop = IOLoop.current()
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self.notify_sync_lock = NotifySyncLock(dest_path)
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try:
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with ThreadPoolExecutor(max_workers=1) as tpe:
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full_dest = await ioloop.run_in_executor(
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tpe, op_func, source_path, dest_path)
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except Exception as e:
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self.notify_sync_lock.cancel()
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self.notify_sync_lock = None
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raise self.server.error(str(e))
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self.notify_sync_lock.update_dest(full_dest)
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await self.notify_sync_lock.wait(600.)
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self.notify_sync_lock = None
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result['item']['path'] = self.get_relative_path(dest_root, full_dest)
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return result
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def _list_directory(self, path, is_extended=False):
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if not os.path.isdir(path):
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raise self.server.error(
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f"Directory does not exist ({path})")
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flist = {'dirs': [], 'files': []}
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for fname in os.listdir(path):
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full_path = os.path.join(path, fname)
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if not os.path.exists(full_path):
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continue
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path_info = self.get_path_info(full_path)
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if os.path.isdir(full_path):
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path_info['dirname'] = fname
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flist['dirs'].append(path_info)
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elif os.path.isfile(full_path):
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path_info['filename'] = fname
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# Check to see if a filelist update is necessary
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ext = os.path.splitext(fname)[-1].lower()
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gc_path = self.file_paths.get('gcodes', None)
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if gc_path is not None and full_path.startswith(gc_path) and \
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ext in VALID_GCODE_EXTS and is_extended:
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rel_path = os.path.relpath(full_path, start=gc_path)
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metadata = self.gcode_metadata.get(rel_path, {})
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path_info.update(metadata)
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flist['files'].append(path_info)
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usage = shutil.disk_usage(path)
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flist['disk_usage'] = usage._asdict()
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return flist
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def get_path_info(self, path):
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modified = os.path.getmtime(path)
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size = os.path.getsize(path)
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path_info = {'modified': modified, 'size': size}
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return path_info
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def gen_temp_upload_path(self):
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ioloop = IOLoop.current()
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return os.path.join(
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tempfile.gettempdir(),
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f"moonraker.upload-{int(ioloop.time())}.mru")
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async def finalize_upload(self, form_args):
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# lookup root file path
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async with self.write_mutex:
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try:
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upload_info = self._parse_upload_args(form_args)
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root = upload_info['root']
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if root == "gcodes":
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result = await self._finish_gcode_upload(upload_info)
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elif root in FULL_ACCESS_ROOTS:
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result = await self._finish_standard_upload(upload_info)
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else:
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raise self.server.error(f"Invalid root request: {root}")
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except Exception:
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try:
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os.remove(form_args['tmp_file_path'])
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except Exception:
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pass
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raise
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return result
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def _parse_upload_args(self, upload_args):
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if 'filename' not in upload_args:
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raise self.server.error(
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"No file name specifed in upload form")
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# check relative path
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root = upload_args.get('root', "gcodes").lower()
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if root not in self.file_paths:
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raise self.server.error(f"Root {root} not available")
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root_path = self.file_paths[root]
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dir_path = upload_args.get('path', "")
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if os.path.isfile(root_path):
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filename = os.path.basename(root_path)
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dest_path = root_path
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dir_path = ""
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else:
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filename = upload_args['filename'].strip().lstrip("/")
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if dir_path:
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filename = os.path.join(dir_path, filename)
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dest_path = os.path.abspath(os.path.join(root_path, filename))
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# Validate the path. Don't allow uploads to a parent of the root
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if not dest_path.startswith(root_path):
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raise self.server.error(
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f"Cannot write to path: {dest_path}")
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start_print = upload_args.get('print', "false") == "true"
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f_ext = os.path.splitext(dest_path)[-1].lower()
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unzip_ufp = f_ext == ".ufp" and root == "gcodes"
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if unzip_ufp:
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filename = os.path.splitext(filename)[0] + ".gcode"
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dest_path = os.path.splitext(dest_path)[0] + ".gcode"
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return {
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'root': root,
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'filename': filename,
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'dir_path': dir_path,
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'dest_path': dest_path,
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'tmp_file_path': upload_args['tmp_file_path'],
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'start_print': start_print,
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'unzip_ufp': unzip_ufp
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}
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async def _finish_gcode_upload(self, upload_info):
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print_ongoing = False
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start_print = upload_info['start_print']
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# Verify that the operation can be done if attempting to upload a gcode
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try:
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check_path = upload_info['dest_path']
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print_ongoing = await self._handle_operation_check(
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check_path)
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except self.server.error as e:
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if e.status_code == 403:
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raise self.server.error(
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"File is loaded, upload not permitted", 403)
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else:
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# Couldn't reach Klippy, so it should be safe
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# to permit the upload but not start
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start_print = False
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# Don't start if another print is currently in progress
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start_print = start_print and not print_ongoing
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self.notify_sync_lock = NotifySyncLock(upload_info['dest_path'])
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finfo = self._process_uploaded_file(upload_info)
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await self.gcode_metadata.parse_metadata(
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upload_info['filename'], finfo).wait()
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if start_print:
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# Make a Klippy Request to "Start Print"
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klippy_apis = self.server.lookup_component('klippy_apis')
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try:
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await klippy_apis.start_print(upload_info['filename'])
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except self.server.error:
|
|
# Attempt to start print failed
|
|
start_print = False
|
|
await self.notify_sync_lock.wait(300.)
|
|
self.notify_sync_lock = None
|
|
return {
|
|
'item': {
|
|
'path': upload_info['filename'],
|
|
'root': "gcodes"
|
|
},
|
|
'print_started': start_print,
|
|
'action': "create_file"
|
|
}
|
|
|
|
async def _finish_standard_upload(self, upload_info):
|
|
self._process_uploaded_file(upload_info)
|
|
return {
|
|
'item': {
|
|
'path': upload_info['filename'],
|
|
'root': upload_info['root']
|
|
},
|
|
'action': "create_file"
|
|
}
|
|
|
|
def _process_uploaded_file(self, upload_info):
|
|
try:
|
|
if upload_info['dir_path']:
|
|
os.makedirs(os.path.dirname(
|
|
upload_info['dest_path']), exist_ok=True)
|
|
if upload_info['unzip_ufp']:
|
|
tmp_path = upload_info['tmp_file_path']
|
|
finfo = self.get_path_info(tmp_path)
|
|
finfo['ufp_path'] = tmp_path
|
|
else:
|
|
shutil.move(upload_info['tmp_file_path'],
|
|
upload_info['dest_path'])
|
|
finfo = self.get_path_info(upload_info['dest_path'])
|
|
except Exception:
|
|
logging.exception("Upload Write Error")
|
|
raise self.server.error("Unable to save file", 500)
|
|
return finfo
|
|
|
|
def get_file_list(self, root, list_format=False):
|
|
# Use os.walk find files in sd path and subdirs
|
|
filelist = {}
|
|
path = self.file_paths.get(root, None)
|
|
if path is None or not os.path.isdir(path):
|
|
msg = f"Failed to build file list, invalid path: {root}: {path}"
|
|
logging.info(msg)
|
|
raise self.server.error(msg)
|
|
logging.info(f"Updating File List <{root}>...")
|
|
st = os.stat(path)
|
|
visited_dirs = {(st.st_dev, st.st_ino)}
|
|
for dir_path, dir_names, files in os.walk(path, followlinks=True):
|
|
scan_dirs = []
|
|
# Filter out directories that have already been visted. This
|
|
# prevents infinite recrusion "followlinks" is set to True
|
|
for dname in dir_names:
|
|
full_path = os.path.join(dir_path, dname)
|
|
if not os.path.exists(full_path):
|
|
continue
|
|
st = os.stat(full_path)
|
|
key = (st.st_dev, st.st_ino)
|
|
if key not in visited_dirs:
|
|
visited_dirs.add(key)
|
|
scan_dirs.append(dname)
|
|
dir_names[:] = scan_dirs
|
|
for name in files:
|
|
ext = os.path.splitext(name)[-1].lower()
|
|
if root == 'gcodes' and ext not in VALID_GCODE_EXTS:
|
|
continue
|
|
full_path = os.path.join(dir_path, name)
|
|
if not os.path.exists(full_path):
|
|
continue
|
|
fname = full_path[len(path) + 1:]
|
|
finfo = self.get_path_info(full_path)
|
|
filelist[fname] = finfo
|
|
if list_format:
|
|
flist = []
|
|
for fname in sorted(filelist, key=str.lower):
|
|
fdict = {'path': fname}
|
|
fdict.update(filelist[fname])
|
|
flist.append(fdict)
|
|
return flist
|
|
return filelist
|
|
|
|
def get_file_metadata(self, filename):
|
|
if filename[0] == '/':
|
|
filename = filename[1:]
|
|
|
|
# Remove "gcodes" of its added. It is valid for a request to
|
|
# include to the root or assume the root is gcodes
|
|
if filename.startswith('gcodes/'):
|
|
filename = filename[7:]
|
|
|
|
return self.gcode_metadata.get(filename, {})
|
|
|
|
def list_dir(self, directory, simple_format=False):
|
|
# List a directory relative to its root.
|
|
if directory[0] == "/":
|
|
directory = directory[1:]
|
|
parts = directory.split("/", 1)
|
|
root = parts[0]
|
|
if root not in self.file_paths:
|
|
raise self.server.error(
|
|
f"Invalid Directory Request: {directory}")
|
|
path = self.file_paths[root]
|
|
if len(parts) == 1:
|
|
dir_path = path
|
|
else:
|
|
dir_path = os.path.join(path, parts[1])
|
|
if not os.path.isdir(dir_path):
|
|
raise self.server.error(
|
|
f"Directory does not exist ({dir_path})")
|
|
flist = self._list_directory(dir_path)
|
|
if simple_format:
|
|
simple_list = []
|
|
for dirobj in flist['dirs']:
|
|
simple_list.append("*" + dirobj['dirname'])
|
|
for fileobj in flist['files']:
|
|
fname = fileobj['filename']
|
|
ext = os.path.splitext(fname)[-1].lower()
|
|
if root == "gcodes" and ext in VALID_GCODE_EXTS:
|
|
simple_list.append(fname)
|
|
return simple_list
|
|
return flist
|
|
|
|
async def _handle_file_delete(self, web_request):
|
|
file_path = web_request.get_str("path")
|
|
return await self.delete_file(file_path)
|
|
|
|
async def delete_file(self, path):
|
|
async with self.write_mutex:
|
|
parts = path.lstrip("/").split("/", 1)
|
|
if len(parts) != 2:
|
|
raise self.server.error(
|
|
f"Path not available for DELETE: {path}", 405)
|
|
root = parts[0]
|
|
filename = parts[1]
|
|
if root not in self.file_paths or root not in FULL_ACCESS_ROOTS:
|
|
raise self.server.error(
|
|
f"Path not available for DELETE: {path}", 405)
|
|
root_path = self.file_paths[root]
|
|
full_path = os.path.join(root_path, filename)
|
|
if not os.path.isfile(full_path):
|
|
raise self.server.error(f"Invalid file path: {path}")
|
|
try:
|
|
await self._handle_operation_check(full_path)
|
|
except self.server.error as e:
|
|
if e.status_code == 403:
|
|
raise
|
|
os.remove(full_path)
|
|
return {
|
|
'item': {'path': filename, 'root': root},
|
|
'action': "delete_file"}
|
|
|
|
def close(self):
|
|
self.inotify_handler.close()
|
|
|
|
|
|
INOTIFY_BUNDLE_TIME = .25
|
|
INOTIFY_MOVE_TIME = 1.
|
|
|
|
class InotifyNode:
|
|
def __init__(self, ihdlr, parent, name):
|
|
self.ihdlr = ihdlr
|
|
self.name = name
|
|
self.parent_node = parent
|
|
self.child_nodes = {}
|
|
self.watch_desc = self.ihdlr.add_watch(self)
|
|
self.pending_node_events = {}
|
|
self.pending_deleted_children = set()
|
|
self.pending_file_events = {}
|
|
|
|
async def _finish_create_node(self):
|
|
# Finish a node's creation. All children that were created
|
|
# with this node (ie: a directory is copied) are bundled into
|
|
# this notification. We also scan the node to extract metadata
|
|
# here, as we know all files have been copied.
|
|
if "create_node" not in self.pending_node_events:
|
|
return
|
|
del self.pending_node_events['create_node']
|
|
node_path = self.get_path()
|
|
root = self.get_root()
|
|
# Scan child nodes for unwatched directories and metadata
|
|
mevts = self.scan_node()
|
|
if mevts:
|
|
mfuts = [e.wait() for e in mevts]
|
|
await asyncio.gather(*mfuts)
|
|
self.ihdlr.log_nodes()
|
|
self.ihdlr.notify_filelist_changed(
|
|
"create_dir", root, node_path)
|
|
|
|
def _finish_delete_child(self):
|
|
# Items deleted in a child (node or file) are batched.
|
|
# Individual files get notifications if their parent
|
|
# node stil exists. Otherwise notififications are
|
|
# bundled into the topmost deleted parent.
|
|
if "delete_child" not in self.pending_node_events:
|
|
self.pending_deleted_children.clear()
|
|
return
|
|
del self.pending_node_events['delete_child']
|
|
node_path = self.get_path()
|
|
root = self.get_root()
|
|
for (name, is_node) in self.pending_deleted_children:
|
|
item_path = os.path.join(node_path, name)
|
|
item_type = "dir" if is_node else "file"
|
|
self.ihdlr.clear_metadata(root, item_path, is_node)
|
|
self.ihdlr.notify_filelist_changed(
|
|
f"delete_{item_type}", root, item_path)
|
|
self.pending_deleted_children.clear()
|
|
|
|
def scan_node(self, visited_dirs=set()):
|
|
dir_path = self.get_path()
|
|
st = os.stat(dir_path)
|
|
if st in visited_dirs:
|
|
return []
|
|
metadata_events = []
|
|
visited_dirs.add((st.st_dev, st.st_ino))
|
|
for fname in os.listdir(dir_path):
|
|
if fname[0] == ".":
|
|
continue
|
|
item_path = os.path.join(dir_path, fname)
|
|
ext = os.path.splitext(fname)[-1].lower()
|
|
if os.path.isdir(item_path):
|
|
new_child = self.create_child_node(fname, False)
|
|
metadata_events.extend(new_child.scan_node(visited_dirs))
|
|
elif os.path.isfile(item_path) and self.get_root() == "gcodes":
|
|
mevt = self.ihdlr.parse_gcode_metadata(item_path)
|
|
metadata_events.append(mevt)
|
|
return metadata_events
|
|
|
|
async def move_child_node(self, child_name, new_name, new_parent):
|
|
child_node = self.pop_child_node(child_name)
|
|
if child_node is None:
|
|
logging.info(f"No child for node at path: {self.get_path()}")
|
|
return
|
|
prev_path = child_node.get_path()
|
|
prev_root = child_node.get_root()
|
|
child_node.name = new_name
|
|
new_parent.add_child_node(child_node)
|
|
new_path = child_node.get_path()
|
|
new_root = child_node.get_root()
|
|
logging.debug(f"Moving node from '{prev_path}' to '{new_path}'")
|
|
# Attempt to move metadata
|
|
move_success = await self.ihdlr.try_move_metadata(
|
|
prev_root, new_root, prev_path, new_path, is_dir=True)
|
|
if not move_success:
|
|
# Need rescan
|
|
mevts = child_node.scan_node()
|
|
if mevts:
|
|
mfuts = [e.wait() for e in mevts]
|
|
await asyncio.gather(*mfuts)
|
|
self.ihdlr.notify_filelist_changed(
|
|
"move_dir", new_root, new_path,
|
|
prev_root, prev_path)
|
|
|
|
def schedule_file_event(self, file_name, evt_name):
|
|
if file_name in self.pending_file_events:
|
|
return
|
|
pending_node = self.search_pending_event("create_node")
|
|
if pending_node is not None:
|
|
pending_node.stop_event("create_node")
|
|
self.pending_file_events[file_name] = evt_name
|
|
|
|
async def complete_file_write(self, file_name):
|
|
evt_name = self.pending_file_events.pop(file_name, None)
|
|
if evt_name is None:
|
|
logging.info(f"Invalid file write event: {file_name}")
|
|
return
|
|
pending_node = self.search_pending_event("create_node")
|
|
if pending_node is not None:
|
|
# if this event was generated as a result of a created parent
|
|
# node it should be ignored in favor of the parent event.
|
|
pending_node.reset_event("create_node", INOTIFY_BUNDLE_TIME)
|
|
return
|
|
file_path = os.path.join(self.get_path(), file_name)
|
|
root = self.get_root()
|
|
if root == "gcodes":
|
|
mevt = self.ihdlr.parse_gcode_metadata(file_path)
|
|
if os.path.splitext(file_path)[1].lower() == ".ufp":
|
|
# don't notify .ufp files
|
|
return
|
|
await mevt.wait()
|
|
self.ihdlr.notify_filelist_changed(evt_name, root, file_path)
|
|
|
|
def add_child_node(self, node):
|
|
self.child_nodes[node.name] = node
|
|
node.parent_node = self
|
|
|
|
def get_child_node(self, name):
|
|
return self.child_nodes.get(name, None)
|
|
|
|
def pop_child_node(self, name):
|
|
return self.child_nodes.pop(name, None)
|
|
|
|
def create_child_node(self, name, notify=True):
|
|
if name in self.child_nodes:
|
|
return self.child_nodes[name]
|
|
new_child = InotifyNode(self.ihdlr, self, name)
|
|
self.child_nodes[name] = new_child
|
|
if notify:
|
|
pending_node = self.search_pending_event("create_node")
|
|
if pending_node is None:
|
|
# schedule a pending create event for the child
|
|
new_child.add_event("create_node", INOTIFY_BUNDLE_TIME)
|
|
else:
|
|
pending_node.reset_event("create_node", INOTIFY_BUNDLE_TIME)
|
|
return new_child
|
|
|
|
def schedule_child_delete(self, child_name, is_node):
|
|
if is_node:
|
|
child_node = self.child_nodes.pop(child_name, None)
|
|
if child_node is None:
|
|
return
|
|
self.ihdlr.remove_watch(
|
|
child_node.watch_desc, need_low_level_rm=False)
|
|
child_node.remove_event("delete_child")
|
|
self.pending_deleted_children.add((child_name, is_node))
|
|
self.add_event("delete_child", INOTIFY_BUNDLE_TIME)
|
|
|
|
def clear_watches(self):
|
|
for cnode in self.child_nodes.values():
|
|
# Delete all of the children's children
|
|
cnode.clear_watches()
|
|
self.ihdlr.remove_watch(self.watch_desc)
|
|
|
|
def get_path(self):
|
|
return os.path.join(self.parent_node.get_path(), self.name)
|
|
|
|
def get_root(self):
|
|
return self.parent_node.get_root()
|
|
|
|
def add_event(self, evt_name, timeout):
|
|
if evt_name in self.pending_node_events:
|
|
self.reset_event(evt_name, timeout)
|
|
return
|
|
callback = getattr(self, f"_finish_{evt_name}")
|
|
hdl = IOLoop.current().call_later(timeout, callback)
|
|
self.pending_node_events[evt_name] = hdl
|
|
|
|
def reset_event(self, evt_name, timeout):
|
|
if evt_name in self.pending_node_events:
|
|
ioloop = IOLoop.current()
|
|
hdl = self.pending_node_events[evt_name]
|
|
ioloop.remove_timeout(hdl)
|
|
callback = getattr(self, f"_finish_{evt_name}")
|
|
hdl = ioloop.call_later(timeout, callback)
|
|
self.pending_node_events[evt_name] = hdl
|
|
|
|
def stop_event(self, evt_name):
|
|
if evt_name in self.pending_node_events:
|
|
hdl = self.pending_node_events[evt_name]
|
|
IOLoop.current().remove_timeout(hdl)
|
|
|
|
def remove_event(self, evt_name):
|
|
hdl = self.pending_node_events.pop(evt_name, None)
|
|
if hdl is not None:
|
|
IOLoop.current().remove_timeout(hdl)
|
|
|
|
def clear_events(self, include_children=True):
|
|
if include_children:
|
|
for child in self.child_nodes.values():
|
|
child.clear_events(include_children)
|
|
for hdl in self.pending_node_events.values():
|
|
IOLoop.current().remove_timeout(hdl)
|
|
self.pending_node_events.clear()
|
|
self.pending_deleted_children.clear()
|
|
self.pending_file_events.clear()
|
|
|
|
def search_pending_event(self, name):
|
|
if name in self.pending_node_events:
|
|
return self
|
|
if self.parent_node is None:
|
|
return None
|
|
return self.parent_node.search_pending_event(name)
|
|
|
|
class InotifyRootNode(InotifyNode):
|
|
def __init__(self, ihdlr, root_name, root_path):
|
|
self.root_name = root_name
|
|
super().__init__(ihdlr, None, root_path)
|
|
|
|
def get_path(self):
|
|
return self.name
|
|
|
|
def get_root(self):
|
|
return self.root_name
|
|
|
|
class NotifySyncLock:
|
|
def __init__(self, dest_path):
|
|
self.wait_fut = None
|
|
self.sync_condition = Condition()
|
|
self.dest_path = dest_path
|
|
self.notified_paths = set()
|
|
self.finished = False
|
|
|
|
def update_dest(self, dest_path):
|
|
self.dest_path = dest_path
|
|
|
|
def check_need_sync(self, path):
|
|
return self.dest_path in [path, os.path.dirname(path)] \
|
|
and not self.finished
|
|
|
|
async def wait(self, timeout=None):
|
|
if self.finished or self.wait_fut is not None:
|
|
# Can only wait once
|
|
return
|
|
if self.dest_path not in self.notified_paths:
|
|
self.wait_fut = asyncio.Future()
|
|
if timeout is None:
|
|
await self.wait_fut
|
|
else:
|
|
try:
|
|
await asyncio.wait_for(self.wait_fut, timeout)
|
|
except asyncio.TimeoutError:
|
|
pass
|
|
self.sync_condition.notify_all()
|
|
self.finished = True
|
|
|
|
async def sync(self, path, timeout=None):
|
|
if not self.check_need_sync(path):
|
|
return
|
|
self.notified_paths.add(path)
|
|
if self.wait_fut is not None and self.dest_path == path:
|
|
self.wait_fut.set_result(None)
|
|
# Transfer control to waiter
|
|
if timeout is not None:
|
|
timeout = IOLoop.time() + timeout
|
|
try:
|
|
await self.sync_condition.wait(timeout)
|
|
except Exception:
|
|
pass
|
|
else:
|
|
# Sleep an additional 5ms to give HTTP requests a chance to
|
|
# return prior to a notification
|
|
await asyncio.sleep(.005)
|
|
|
|
def cancel(self):
|
|
if self.finished:
|
|
return
|
|
if self.wait_fut is not None and not self.wait_fut.done():
|
|
self.wait_fut.set_result(None)
|
|
self.sync_condition.notify_all()
|
|
self.finished = True
|
|
|
|
class INotifyHandler:
|
|
def __init__(self, config, file_manager, gcode_metadata):
|
|
self.server = config.get_server()
|
|
self.debug_enabled = config['server'].getboolean(
|
|
'enable_debug_logging', False)
|
|
self.file_manager = file_manager
|
|
self.gcode_metadata = gcode_metadata
|
|
self.inotify = INotify(nonblocking=True)
|
|
IOLoop.current().add_handler(
|
|
self.inotify.fileno(), self._handle_inotify_read,
|
|
IOLoop.READ | IOLoop.ERROR)
|
|
|
|
self.event_loop_busy = False
|
|
self.pending_inotify_events = []
|
|
|
|
self.watched_roots = {}
|
|
self.watched_nodes = {}
|
|
self.pending_moves = {}
|
|
|
|
def add_root_watch(self, root, root_path):
|
|
if root not in FULL_ACCESS_ROOTS:
|
|
return
|
|
# remove all exisiting watches on root
|
|
if root in self.watched_roots:
|
|
old_root = self.watched_roots.pop(root)
|
|
old_root.clear_watches()
|
|
old_root.clear_events()
|
|
root_node = InotifyRootNode(self, root, root_path)
|
|
self.watched_roots[root] = root_node
|
|
mevts = root_node.scan_node()
|
|
self.log_nodes()
|
|
IOLoop.current().spawn_callback(
|
|
self._notify_root_updated, mevts, root, root_path)
|
|
|
|
async def _notify_root_updated(self, mevts, root, root_path):
|
|
if mevts:
|
|
mfuts = [e.wait() for e in mevts]
|
|
await asyncio.gather(*mfuts)
|
|
self.notify_filelist_changed("root_update", root, root_path)
|
|
|
|
def add_watch(self, node):
|
|
dir_path = node.get_path()
|
|
try:
|
|
watch = self.inotify.add_watch(dir_path, WATCH_FLAGS)
|
|
except OSError:
|
|
logging.exception(
|
|
f"Error adding watch, already exists: {dir_path}")
|
|
self.watched_nodes[watch] = node
|
|
return watch
|
|
|
|
def remove_watch(self, wdesc, need_low_level_rm=True):
|
|
node = self.watched_nodes.pop(wdesc, None)
|
|
if need_low_level_rm:
|
|
try:
|
|
self.inotify.rm_watch(wdesc)
|
|
except Exception:
|
|
logging.exception(f"Error removing watch: '{node.get_path()}'")
|
|
|
|
def clear_metadata(self, root, path, is_dir=False):
|
|
if root == "gcodes":
|
|
rel_path = self.file_manager.get_relative_path(root, path)
|
|
if is_dir:
|
|
self.gcode_metadata.remove_directory_metadata(rel_path)
|
|
else:
|
|
self.gcode_metadata.remove_file_metadata(rel_path)
|
|
|
|
async def try_move_metadata(self, prev_root, new_root, prev_path,
|
|
new_path, is_dir=False):
|
|
if new_root == "gcodes":
|
|
if prev_root == "gcodes":
|
|
# moved within the gcodes root, move metadata
|
|
prev_rel_path = self.file_manager.get_relative_path(
|
|
"gcodes", prev_path)
|
|
new_rel_path = self.file_manager.get_relative_path(
|
|
"gcodes", new_path)
|
|
if is_dir:
|
|
self.gcode_metadata.move_directory_metadata(
|
|
prev_rel_path, new_rel_path)
|
|
else:
|
|
self.gcode_metadata.move_file_metadata(
|
|
prev_rel_path, new_rel_path)
|
|
else:
|
|
# move from a non-gcodes root to gcodes return true
|
|
self.clear_metadata(prev_root, prev_path, is_dir)
|
|
return False
|
|
elif prev_root == "gcodes":
|
|
# moved out of the gcodes root, remove metadata
|
|
self.clear_metadata(prev_root, prev_path, is_dir)
|
|
return True
|
|
|
|
def log_nodes(self):
|
|
if self.debug_enabled:
|
|
debug_msg = f"Inotify Watches After Scan:"
|
|
for wdesc, node in self.watched_nodes.items():
|
|
wdir = node.get_path()
|
|
wroot = node.get_root()
|
|
debug_msg += f"\nRoot: {wroot}, Directory: {wdir}, " \
|
|
f"Watch: {wdesc}"
|
|
logging.debug(debug_msg)
|
|
|
|
def parse_gcode_metadata(self, file_path):
|
|
rel_path = self.file_manager.get_relative_path("gcodes", file_path)
|
|
path_info = self.file_manager.get_path_info(file_path)
|
|
ext = os.path.splitext(file_path)[-1].lower()
|
|
if ext == ".ufp":
|
|
rel_path = os.path.splitext(rel_path)[0] + ".gcode"
|
|
path_info['ufp_path'] = file_path
|
|
return self.gcode_metadata.parse_metadata(rel_path, path_info)
|
|
|
|
def _handle_move_timeout(self, cookie, is_dir):
|
|
if cookie not in self.pending_moves:
|
|
return
|
|
parent_node, name, hdl = self.pending_moves.pop(cookie)
|
|
item_path = os.path.join(parent_node.get_path(), name)
|
|
root = parent_node.get_root()
|
|
self.clear_metadata(root, item_path, is_dir)
|
|
action = "delete_file"
|
|
if is_dir:
|
|
# The supplied node is a child node
|
|
child_node = parent_node.pop_child_node(name)
|
|
if child_node is None:
|
|
return
|
|
child_node.clear_watches()
|
|
child_node.clear_events(include_children=True)
|
|
self.log_nodes()
|
|
action = "delete_dir"
|
|
self.notify_filelist_changed(action, root, item_path)
|
|
|
|
def _schedule_pending_move(self, evt, parent_node, is_dir):
|
|
hdl = IOLoop.current().call_later(
|
|
INOTIFY_MOVE_TIME, self._handle_move_timeout,
|
|
evt.cookie, is_dir)
|
|
self.pending_moves[evt.cookie] = (parent_node, evt.name, hdl)
|
|
|
|
def _handle_inotify_read(self, fd, events):
|
|
if events & IOLoop.ERROR:
|
|
logging.info("INotify Read Error")
|
|
return
|
|
for evt in self.inotify.read(timeout=0):
|
|
if evt.mask & iFlags.IGNORED:
|
|
continue
|
|
if evt.wd not in self.watched_nodes:
|
|
flags = " ".join([str(f) for f in iFlags.from_mask(evt.mask)])
|
|
logging.info(
|
|
f"Error, inotify watch descriptor {evt.wd} "
|
|
f"not currently tracked: name: {evt.name}, "
|
|
f"flags: {flags}")
|
|
continue
|
|
self.pending_inotify_events.append(evt)
|
|
if not self.event_loop_busy:
|
|
self.event_loop_busy = True
|
|
IOLoop.current().spawn_callback(self._process_inotify_events)
|
|
|
|
async def _process_inotify_events(self):
|
|
while self.pending_inotify_events:
|
|
evt = self.pending_inotify_events.pop(0)
|
|
node = self.watched_nodes[evt.wd]
|
|
if evt.mask & iFlags.ISDIR:
|
|
await self._process_dir_event(evt, node)
|
|
else:
|
|
await self._process_file_event(evt, node)
|
|
self.event_loop_busy = False
|
|
|
|
async def _process_dir_event(self, evt, node):
|
|
if evt.name and evt.name[0] == ".":
|
|
# ignore changes to the hidden directories
|
|
return
|
|
root = node.get_root()
|
|
node_path = node.get_path()
|
|
if evt.mask & iFlags.CREATE:
|
|
logging.debug(f"Inotify directory create: {root}, "
|
|
f"{node_path}, {evt.name}")
|
|
node.create_child_node(evt.name)
|
|
elif evt.mask & iFlags.DELETE:
|
|
logging.debug(f"Inotify directory delete: {root}, "
|
|
f"{node_path}, {evt.name}")
|
|
node.schedule_child_delete(evt.name, True)
|
|
elif evt.mask & iFlags.MOVED_FROM:
|
|
logging.debug(f"Inotify directory move from: {root}, "
|
|
f"{node_path}, {evt.name}")
|
|
self._schedule_pending_move(evt, node, True)
|
|
elif evt.mask & iFlags.MOVED_TO:
|
|
logging.debug(f"Inotify directory move to: {root}, "
|
|
f"{node_path}, {evt.name}")
|
|
moved_evt = self.pending_moves.pop(evt.cookie, None)
|
|
if moved_evt is not None:
|
|
# Moved from a currently watched directory
|
|
prev_parent, child_name, hdl = moved_evt
|
|
IOLoop.current().remove_timeout(hdl)
|
|
await prev_parent.move_child_node(child_name, evt.name, node)
|
|
else:
|
|
# Moved from an unwatched directory, for our
|
|
# purposes this is the same as creating a
|
|
# directory
|
|
node.create_child_node(evt.name)
|
|
|
|
async def _process_file_event(self, evt, node):
|
|
ext = os.path.splitext(evt.name)[-1].lower()
|
|
root = node.get_root()
|
|
node_path = node.get_path()
|
|
if root == "gcodes" and ext not in VALID_GCODE_EXTS:
|
|
# Don't notify files with invalid gcode extensions
|
|
return
|
|
if evt.mask & iFlags.CREATE:
|
|
logging.debug(f"Inotify file create: {root}, "
|
|
f"{node_path}, {evt.name}")
|
|
node.schedule_file_event(evt.name, "create_file")
|
|
elif evt.mask & iFlags.DELETE:
|
|
logging.debug(f"Inotify file delete: {root}, "
|
|
f"{node_path}, {evt.name}")
|
|
if root == "gcodes" and ext == ".ufp":
|
|
# Don't notify deleted ufp files
|
|
return
|
|
node.schedule_child_delete(evt.name, False)
|
|
elif evt.mask & iFlags.MOVED_FROM:
|
|
logging.debug(f"Inotify file move from: {root}, "
|
|
f"{node_path}, {evt.name}")
|
|
self._schedule_pending_move(evt, node, False)
|
|
elif evt.mask & iFlags.MOVED_TO:
|
|
logging.debug(f"Inotify file move to: {root}, "
|
|
f"{node_path}, {evt.name}")
|
|
file_path = os.path.join(node_path, evt.name)
|
|
moved_evt = self.pending_moves.pop(evt.cookie, None)
|
|
if moved_evt is not None:
|
|
# Moved from a currently watched directory
|
|
prev_parent, prev_name, hdl = moved_evt
|
|
IOLoop.current().remove_timeout(hdl)
|
|
prev_root = prev_parent.get_root()
|
|
prev_path = os.path.join(prev_parent.get_path(), prev_name)
|
|
move_success = await self.try_move_metadata(
|
|
prev_root, root, prev_path, file_path)
|
|
if not move_success:
|
|
# Unable to move, metadata needs parsing
|
|
mevt = self.parse_gcode_metadata(file_path)
|
|
await mevt.wait()
|
|
self.notify_filelist_changed(
|
|
"move_file", root, file_path,
|
|
prev_root, prev_path)
|
|
else:
|
|
if root == "gcodes":
|
|
mevt = self.parse_gcode_metadata(file_path)
|
|
await mevt.wait()
|
|
self.notify_filelist_changed(
|
|
"create_file", root, file_path)
|
|
elif evt.mask & iFlags.MODIFY:
|
|
node.schedule_file_event(evt.name, "modify_file")
|
|
elif evt.mask & iFlags.CLOSE_WRITE:
|
|
file_path = os.path.join(node_path, evt.name)
|
|
logging.debug(f"Inotify writable file closed: {file_path}")
|
|
# Only process files that have been created or modified
|
|
await node.complete_file_write(evt.name)
|
|
|
|
def notify_filelist_changed(self, action, root, full_path,
|
|
source_root=None, source_path=None):
|
|
rel_path = self.file_manager.get_relative_path(root, full_path)
|
|
file_info = {'size': 0, 'modified': 0}
|
|
if os.path.exists(full_path):
|
|
file_info = self.file_manager.get_path_info(full_path)
|
|
file_info['path'] = rel_path
|
|
file_info['root'] = root
|
|
result = {'action': action, 'item': file_info}
|
|
if source_path is not None and source_root is not None:
|
|
src_rel_path = self.file_manager.get_relative_path(
|
|
source_root, source_path)
|
|
result['source_item'] = {'path': src_rel_path, 'root': source_root}
|
|
sync_lock = self.file_manager.sync_inotify_event(full_path)
|
|
if sync_lock is not None:
|
|
# Delay this notification so that it occurs after an item
|
|
logging.debug(f"Syncing notification: {full_path}")
|
|
IOLoop.current().spawn_callback(
|
|
self._delay_notification, result, sync_lock.sync(full_path))
|
|
else:
|
|
self.server.send_event("file_manager:filelist_changed", result)
|
|
|
|
async def _delay_notification(self, result, sync_fut):
|
|
await sync_fut
|
|
self.server.send_event("file_manager:filelist_changed", result)
|
|
|
|
def close(self):
|
|
IOLoop.current().remove_handler(self.inotify.fileno())
|
|
for watch in self.watched_nodes.keys():
|
|
try:
|
|
self.inotify.rm_watch(watch)
|
|
except Exception:
|
|
pass
|
|
|
|
|
|
METADATA_NAMESPACE = "gcode_metadata"
|
|
METADATA_VERSION = 3
|
|
|
|
class MetadataStorage:
|
|
def __init__(self, server, gc_path, database):
|
|
self.server = server
|
|
self.gc_path = gc_path
|
|
database.register_local_namespace(METADATA_NAMESPACE)
|
|
self.mddb = database.wrap_namespace(
|
|
METADATA_NAMESPACE, parse_keys=False)
|
|
version = database.get_item(
|
|
"moonraker", "file_manager.metadata_version", 0)
|
|
if version != METADATA_VERSION:
|
|
# Clear existing metadata when version is bumped
|
|
for fname in self.mddb.keys():
|
|
self.remove_file_metadata(fname)
|
|
database.insert_item(
|
|
"moonraker", "file_manager.metadata_version",
|
|
METADATA_VERSION)
|
|
self.pending_requests = {}
|
|
self.events = {}
|
|
self.busy = False
|
|
if self.gc_path:
|
|
# Check for removed gcode files while moonraker was shutdown
|
|
for fname in list(self.mddb.keys()):
|
|
fpath = os.path.join(self.gc_path, fname)
|
|
if not os.path.isfile(fpath):
|
|
self.remove_file_metadata(fname)
|
|
logging.info(f"Pruned file: {fname}")
|
|
continue
|
|
|
|
def update_gcode_path(self, path):
|
|
if path == self.gc_path:
|
|
return
|
|
self.mddb.clear()
|
|
self.gc_path = path
|
|
|
|
def get(self, key, default=None):
|
|
return self.mddb.get(key, default)
|
|
|
|
def __getitem__(self, key):
|
|
return self.mddb[key]
|
|
|
|
def _has_valid_data(self, fname, path_info):
|
|
if path_info.get('ufp_path', None) is not None:
|
|
# UFP files always need processing
|
|
return False
|
|
mdata = self.mddb.get(fname, {'size': "", 'modified': 0})
|
|
for field in ['size', 'modified']:
|
|
if mdata[field] != path_info.get(field, None):
|
|
return False
|
|
return True
|
|
|
|
def remove_directory_metadata(self, dir_name):
|
|
if dir_name[-1] != "/":
|
|
dir_name += "/"
|
|
for fname in list(self.mddb.keys()):
|
|
if fname.startswith(dir_name):
|
|
self.remove_file_metadata(fname)
|
|
|
|
def remove_file_metadata(self, fname):
|
|
metadata = self.mddb.pop(fname, None)
|
|
if metadata is None:
|
|
return
|
|
# Delete associated thumbnails
|
|
fdir = os.path.dirname(os.path.join(self.gc_path, fname))
|
|
if "thumbnails" in metadata:
|
|
for thumb in metadata["thumbnails"]:
|
|
path = thumb.get("relative_path", None)
|
|
if path is None:
|
|
continue
|
|
thumb_path = os.path.join(fdir, path)
|
|
if not os.path.isfile(thumb_path):
|
|
continue
|
|
try:
|
|
os.remove(thumb_path)
|
|
except Exception:
|
|
logging.debug(f"Error removing thumb at {thumb_path}")
|
|
|
|
def move_directory_metadata(self, prev_dir, new_dir):
|
|
if prev_dir[-1] != "/":
|
|
prev_dir += "/"
|
|
for prev_fname in list(self.mddb.keys()):
|
|
if prev_fname.startswith(prev_dir):
|
|
new_fname = os.path.join(new_dir, prev_fname[len(prev_dir):])
|
|
self.move_file_metadata(prev_fname, new_fname, False)
|
|
|
|
def move_file_metadata(self, prev_fname, new_fname, move_thumbs=True):
|
|
metadata = self.mddb.pop(prev_fname, None)
|
|
if metadata is None:
|
|
return
|
|
self.mddb[new_fname] = metadata
|
|
prev_dir = os.path.dirname(os.path.join(self.gc_path, prev_fname))
|
|
new_dir = os.path.dirname(os.path.join(self.gc_path, new_fname))
|
|
if "thumbnails" in metadata and move_thumbs:
|
|
for thumb in metadata["thumbnails"]:
|
|
path = thumb.get("relative_path", None)
|
|
if path is None:
|
|
continue
|
|
thumb_path = os.path.join(prev_dir, path)
|
|
if not os.path.isfile(thumb_path):
|
|
continue
|
|
new_path = os.path.join(new_dir, path)
|
|
try:
|
|
os.makedirs(os.path.dirname(new_path), exist_ok=True)
|
|
shutil.move(thumb_path, new_path)
|
|
except Exception:
|
|
logging.debug(f"Error moving thumb from {thumb_path}"
|
|
f" to {new_path}")
|
|
|
|
def parse_metadata(self, fname, path_info):
|
|
mevt = Event()
|
|
ext = os.path.splitext(fname)[1]
|
|
if fname in self.pending_requests or \
|
|
ext not in VALID_GCODE_EXTS or \
|
|
self._has_valid_data(fname, path_info):
|
|
# request already pending or not necessary
|
|
mevt.set()
|
|
return mevt
|
|
self.pending_requests[fname] = (path_info, mevt)
|
|
if self.busy:
|
|
return mevt
|
|
self.busy = True
|
|
IOLoop.current().spawn_callback(self._process_metadata_update)
|
|
return mevt
|
|
|
|
async def _process_metadata_update(self):
|
|
while self.pending_requests:
|
|
fname, (path_info, mevt) = \
|
|
self.pending_requests.popitem()
|
|
if self._has_valid_data(fname, path_info):
|
|
mevt.set()
|
|
continue
|
|
ufp_path = path_info.get('ufp_path', None)
|
|
retries = 3
|
|
while retries:
|
|
try:
|
|
await self._run_extract_metadata(fname, ufp_path)
|
|
except Exception:
|
|
logging.exception("Error running extract_metadata.py")
|
|
retries -= 1
|
|
else:
|
|
break
|
|
else:
|
|
if ufp_path is None:
|
|
self.mddb[fname] = {
|
|
'size': path_info.get('size', 0),
|
|
'modified': path_info.get('modified', 0),
|
|
'print_start_time': None,
|
|
'job_id': None
|
|
}
|
|
logging.info(
|
|
f"Unable to extract medatadata from file: {fname}")
|
|
mevt.set()
|
|
self.busy = False
|
|
|
|
async def _run_extract_metadata(self, filename, ufp_path):
|
|
# Escape single quotes in the file name so that it may be
|
|
# properly loaded
|
|
filename = filename.replace("\"", "\\\"")
|
|
cmd = " ".join([sys.executable, METADATA_SCRIPT, "-p",
|
|
self.gc_path, "-f", f"\"{filename}\""])
|
|
timeout = 10.
|
|
if ufp_path is not None and os.path.isfile(ufp_path):
|
|
timeout = 300.
|
|
ufp_path.replace("\"", "\\\"")
|
|
cmd += f" -u \"{ufp_path}\""
|
|
shell_command = self.server.lookup_component('shell_command')
|
|
scmd = shell_command.build_shell_command(cmd, log_stderr=True)
|
|
result = await scmd.run_with_response(timeout=timeout)
|
|
try:
|
|
decoded_resp = json.loads(result.strip())
|
|
except Exception:
|
|
logging.debug(f"Invalid metadata response:\n{result}")
|
|
raise
|
|
path = decoded_resp['file']
|
|
metadata = decoded_resp['metadata']
|
|
if not metadata:
|
|
# This indicates an error, do not add metadata for this
|
|
raise self.server.error("Unable to extract metadata")
|
|
metadata.update({'print_start_time': None, 'job_id': None})
|
|
self.mddb[path] = dict(metadata)
|
|
metadata['filename'] = path
|
|
|
|
def load_component(config):
|
|
return FileManager(config)
|