203 lines
7.4 KiB
Python

import logging
import json
import os
import base64
import gi
gi.require_version("Gtk", "3.0")
from gi.repository import Gtk, Gdk, GLib
class KlippyFiles():
thumbnail_dir = "/tmp/.KS-thumbnails"
def __init__(self, screen):
self.loop = None
self._poll_task = None
self._screen = screen
self.callbacks = []
self.files = {}
self.filelist = []
self.metadata_timeout = {}
if not os.path.exists(self.thumbnail_dir):
os.makedirs(self.thumbnail_dir)
self.gcodes_path = None
def initialize(self):
self.gcodes_path = None
if "virtual_sdcard" in self._screen.printer.get_config_section_list():
vsd = self._screen.printer.get_config_section("virtual_sdcard")
if "path" in vsd:
self.gcodes_path = vsd['path']
logging.info("Gcodes path: %s" % self.gcodes_path)
def _callback(self, result, method, params):
if method == "server.files.list":
if "result" in result and isinstance(result['result'], list):
newfiles = []
deletedfiles = self.filelist.copy()
for item in result['result']:
file = item['filename'] if "filename" in item else item['path']
if file in self.files:
deletedfiles.remove(file)
else:
newfiles.append(file)
self.add_file(item, False)
if len(newfiles) > 0 or len(deletedfiles) > 0:
self.run_callbacks(newfiles, deletedfiles)
if len(deletedfiles) > 0:
for file in deletedfiles:
self.remove_file(file)
elif method == "server.files.directory":
if "result" in result:
dir = params['path'][7:] if params['path'].startswith('gcodes/') else params['path']
if dir[-1] == '/':
dir = dir[:-1]
newfiles = []
for file in result['result']['files']:
fullpath = "%s/%s" % (dir, file['filename'])
if fullpath not in self.filelist:
newfiles.append(fullpath)
if len(newfiles) > 0:
self.run_callbacks(newfiles)
elif method == "server.files.metadata":
if "error" in result.keys():
logging.debug("Error in getting metadata for %s. Retrying in 6 seconds" % (params['filename']))
return
for x in result['result']:
self.files[params['filename']][x] = result['result'][x]
if "thumbnails" in self.files[params['filename']]:
self.files[params['filename']]['thumbnails'].sort(key=lambda x: x['size'], reverse=True)
for thumbnail in self.files[params['filename']]['thumbnails']:
thumbnail['local'] = False
if self.gcodes_path is not None:
fpath = os.path.join(self.gcodes_path, params['filename'])
fdir = os.path.dirname(fpath)
path = os.path.join(fdir, thumbnail['relative_path'])
if os.access(path, os.R_OK):
thumbnail['local'] = True
thumbnail['path'] = path
if thumbnail['local'] is False:
fdir = os.path.dirname(params['filename'])
thumbnail['path'] = os.path.join(fdir, thumbnail['relative_path'])
self.run_callbacks(mods=[params['filename']])
def add_file(self, item, notify=True):
if 'filename' not in item and 'path' not in item:
logging.info("Error adding item, unknown filename or path: %s" % item)
return
filename = item['path'] if "path" in item else item['filename']
if filename in self.filelist:
logging.info("File already exists: %s" % filename)
self.request_metadata(filename)
GLib.timeout_add(1000, self.run_callbacks, mods=[filename])
return
self.filelist.append(filename)
self.files[filename] = {
"size": item['size'],
"modified": item['modified']
}
self.request_metadata(filename)
if notify is True:
self.run_callbacks(newfiles=[filename])
def add_file_callback(self, callback):
try:
self.callbacks.append(callback)
except Exception:
logging.debug("Callback not found: %s" % callback)
def process_update(self, data):
if 'item' in data and data['item']['root'] != 'gcodes':
return
if data['action'] == "create_dir":
self._screen._ws.klippy.get_file_dir("gcodes/%s" % data['item']['path'], self._callback)
elif data['action'] == "create_file":
self.add_file(data['item'])
elif data['action'] == "delete_file":
self.remove_file(data['item']['path'])
elif data['action'] == "modify_file":
self.request_metadata(data['item']['path'])
elif data['action'] == "move_file":
self.add_file(data['item'], False)
self.remove_file(data['source_item']['path'], False)
self.run_callbacks(newfiles=[data['item']['path']], deletedfiles=[data['source_item']['path']])
def remove_file_callback(self, callback):
if callback in self.callbacks:
self.callbacks.pop(self.callbacks.index(callback))
def file_exists(self, filename):
return True if filename in self.filelist else False
def file_metadata_exists(self, filename):
if not self.file_exists(filename):
return False
if "slicer" in self.files[filename]:
return True
return False
def get_thumbnail_location(self, filename):
if not self.has_thumbnail(filename):
return None
thumb = self.files[filename]['thumbnails'][0]
if thumb['local'] is False:
return ['http', thumb['path']]
return ['file', thumb['path']]
def has_thumbnail(self, filename):
if filename not in self.files:
return False
return "thumbnails" in self.files[filename] and len(self.files[filename]) > 0
def request_metadata(self, filename):
if filename not in self.filelist:
return False
self._screen._ws.klippy.get_file_metadata(filename, self._callback)
def refresh_files(self):
self._screen._ws.klippy.get_file_list(self._callback)
def remove_file(self, filename, notify=True):
if filename not in self.filelist:
return
self.filelist.remove(filename)
self.files.pop(filename, None)
if notify is True:
self.run_callbacks(deletedfiles=[filename])
def ret_file_data(self, filename):
print("Getting file info for %s" % (filename))
self._screen._ws.klippy.get_file_metadata(filename, self._callback)
def run_callbacks(self, newfiles=[], deletedfiles=[], mods=[]):
if len(self.callbacks) <= 0:
return
for cb in self.callbacks:
GLib.idle_add(cb, newfiles, deletedfiles, mods)
return False
def get_file_list(self):
return self.filelist
def get_file_info(self, filename):
if filename not in self.files:
return {"path": None, "modified": 0, "size": 0}
return self.files[filename]