SolarFM/plugins/disk_usage/plugin.py

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# Python imports
import os
import subprocess
import time
# Lib imports
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
# Application imports
from plugins.plugin_base import PluginBase
class Plugin(PluginBase):
def __init__(self):
super().__init__()
self.name = "Disk Usage" # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
# where self.name should not be needed for message comms
self.path = os.path.dirname(os.path.realpath(__file__))
self._GLADE_FILE = f"{self.path}/du_usage.glade"
self._du_dialog = None
self._du_store = None
def run(self):
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self._builder = Gtk.Builder()
self._builder.add_from_file(self._GLADE_FILE)
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self._connect_builder_signals(self, self._builder)
self._du_dialog = self._builder.get_object("du_dialog")
self._du_tree_view = self._builder.get_object("du_tree_view")
self._du_store = self._builder.get_object("du_store")
self._current_dir_lbl = self._builder.get_object("current_dir_lbl")
self._current_dir_lbl.set_line_wrap(False)
self._current_dir_lbl.set_ellipsize(1) # NONE = 0¶, START = 1¶, MIDDLE = 2¶, END = 3¶
self._event_system.subscribe("show_du_menu", self._show_du_menu)
def generate_reference_ui_element(self):
item = Gtk.ImageMenuItem(self.name)
item.set_image( Gtk.Image(stock=Gtk.STOCK_HARDDISK) )
item.connect("activate", self._show_du_menu)
item.set_always_show_image(True)
return item
def _get_state(self, widget=None, eve=None):
self._event_system.emit("get_current_state")
def _set_current_dir_lbl(self, widget=None, eve=None):
path = self._fm_state.tab.get_current_directory()
self._current_dir_lbl.set_label(path)
self._current_dir_lbl.set_tooltip_text(path)
def _show_du_menu(self, widget=None, eve=None):
self._fm_state = None
self._get_state()
self._set_current_dir_lbl()
self.load_du_data()
self._du_dialog.run()
def load_du_data(self):
self._du_store.clear()
path = self._fm_state.tab.get_current_directory()
# NOTE: -h = human readable, -d = depth asigned to 1
command = ["du", "-h", "-d", "1", path]
proc = subprocess.Popen(command, stdout=subprocess.PIPE, encoding="utf-8")
raw_data = proc.communicate()[0]
# NOTE: Will return data AFTER completion (if any)
data = raw_data.strip()
parts = data.split("\n")
# NOTE: Last entry is curret dir. Move to top of list and pop off...
size, file = parts[-1].split("\t")
self._du_tree_view.set_title(f"Disk Usage: {file.split('/')[-1]} ( {size} )")
parts.pop()
for part in parts:
size, file = part.split("\t")
self._du_store.append([size, file.split("/")[-1]])
def _hide_du_menu(self, widget=None, eve=None):
self._du_dialog.hide()