474 lines
15 KiB
Python
474 lines
15 KiB
Python
import json
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import os
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import subprocess
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import gi
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gi.require_version("Gtk", "4.0")
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gi.require_version("Adw", "1")
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from gi.repository import Adw, Gdk, Gio, GObject, Gtk
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CSS = """
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.part-segment {
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border-radius: 0;
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box-shadow: none;
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border: none;
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}
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.part-segment:first-child {
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border-top-left-radius: 6px;
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border-bottom-left-radius: 6px;
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}
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.part-segment:last-child {
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border-top-right-radius: 6px;
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border-bottom-right-radius: 6px;
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}
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.part-efi {
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background-color: #3584e4; /* Blue */
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color: white;
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}
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.part-root {
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background-color: #2ec27e; /* Green */
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color: white;
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}
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.part-swap {
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background-color: #e66100; /* Orange */
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color: white;
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}
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.part-empty {
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background-color: #deddda; /* Gray */
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color: black;
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}
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"""
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def get_total_memory() -> int:
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"""Returns total system memory in bytes."""
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try:
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return os.sysconf("SC_PAGE_SIZE") * os.sysconf("SC_PHYS_PAGES")
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except (ValueError, OSError):
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with open("/proc/meminfo", "r") as f:
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for line in f:
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if line.startswith("MemTotal:"):
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parts = line.split()
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return int(parts[1]) * 1024
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return 0
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def calculate_auto_partitions(disk_device):
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"""
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Generates an automatic partition layout.
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- 2GB EFI
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- RAM + 2GB Swap
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- Rest Root (ext4)
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"""
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disk_size = 0
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try:
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# Get disk size in bytes
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result = subprocess.run(
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["lsblk", "-J", "-b", "-o", "NAME,SIZE,TYPE"],
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capture_output=True,
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text=True,
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)
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if result.returncode == 0:
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data = json.loads(result.stdout)
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devices = data.get("blockdevices", [])
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dev_name = disk_device.replace("/dev/", "")
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for dev in devices:
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if dev.get("name") == dev_name:
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disk_size = int(dev.get("size", 0))
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break
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except Exception as e:
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print(f"Error getting disk size for auto partitioning: {e}")
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return []
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if disk_size == 0:
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return []
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ram_size = get_total_memory()
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# Sizes in bytes
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efi_size = 2 * 1024 * 1024 * 1024
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swap_size = ram_size + (2 * 1024 * 1024 * 1024)
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# Check if disk is large enough
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min_root = 10 * 1024 * 1024 * 1024 # minimum 10GB for root
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if disk_size < (efi_size + swap_size + min_root):
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print("Disk too small for automatic partitioning scheme.")
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return []
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root_size = disk_size - efi_size - swap_size
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partitions = [
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{
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"type": "partition",
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"name": "EFI System",
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"filesystem": "vfat",
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"mount_point": "/boot/efi",
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"size": f"{efi_size / (1024**3):.1f} GB",
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"bytes": efi_size,
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"style_class": "part-efi",
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},
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{
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"type": "partition",
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"name": "Swap",
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"filesystem": "swap",
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"mount_point": "[SWAP]",
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"size": f"{swap_size / (1024**3):.1f} GB",
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"bytes": swap_size,
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"style_class": "part-swap",
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},
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{
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"type": "partition",
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"name": "Root",
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"filesystem": "ext4",
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"mount_point": "/",
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"size": f"{root_size / (1024**3):.1f} GB",
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"bytes": root_size,
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"style_class": "part-root",
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},
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]
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return partitions
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class PartitionSegment(Gtk.Button):
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def __init__(self, part_data, page, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.part_data = part_data
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self.page = page
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self.add_css_class("part-segment")
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self.add_css_class(part_data["style_class"])
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self.set_hexpand(part_data.get("expand", False))
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if "width_request" in part_data:
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self.set_size_request(part_data["width_request"], -1)
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if part_data.get("label"):
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lbl = Gtk.Label(label=part_data["label"])
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lbl.set_ellipsize(3)
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self.set_child(lbl)
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self.connect("clicked", self.on_clicked)
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right_click = Gtk.GestureClick()
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right_click.set_button(3)
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right_click.connect("pressed", self.on_right_click)
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self.add_controller(right_click)
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def on_clicked(self, button):
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self.page.show_details_window(self.part_data)
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def on_right_click(self, gesture, n_press, x, y):
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self.page.show_context_menu(self, x, y)
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class PartitioningPage(Adw.Bin):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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provider = Gtk.CssProvider()
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provider.load_from_data(CSS.encode())
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Gtk.StyleContext.add_provider_for_display(
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Gdk.Display.get_default(), provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
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)
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clamp = Adw.Clamp()
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clamp.set_maximum_size(800)
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self.set_child(clamp)
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box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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box.set_spacing(24)
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box.set_valign(Gtk.Align.CENTER)
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box.set_margin_top(24)
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box.set_margin_bottom(24)
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clamp.set_child(box)
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title = Gtk.Label(label="Manual Partitioning")
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title.add_css_class("title-1")
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box.append(title)
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descr = Gtk.Label(
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label="Modify the partition layout below. Right-click segments for options."
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)
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descr.set_wrap(True)
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box.append(descr)
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disk_info_group = Adw.PreferencesGroup()
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disk_info_group.set_title("Selected Drive")
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box.append(disk_info_group)
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row = Adw.ActionRow()
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row.set_title("Current Disk")
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row.set_subtitle("Detecting...")
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row.set_icon_name("drive-harddisk-symbolic")
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disk_info_group.add(row)
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self.disk_row = row
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bar_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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bar_box.set_spacing(12)
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box.append(bar_box)
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bar_label = Gtk.Label(label="Partition Layout", xalign=0)
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bar_label.add_css_class("heading")
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bar_box.append(bar_label)
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self.visual_bar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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self.visual_bar.add_css_class("card")
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self.visual_bar.set_overflow(Gtk.Overflow.HIDDEN)
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self.visual_bar.set_size_request(-1, 80)
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bar_box.append(self.visual_bar)
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legend_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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legend_box.set_spacing(12)
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legend_box.set_halign(Gtk.Align.CENTER)
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bar_box.append(legend_box)
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self.add_legend_item(legend_box, "part-efi", "EFI System")
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self.add_legend_item(legend_box, "part-root", "Root Filesystem")
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self.add_legend_item(legend_box, "part-empty", "Free Space")
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self.partitions = []
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# Initially empty until loaded with a specific disk
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def load_partitions(self, disk_device=None):
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target_disk = None
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try:
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result = subprocess.run(
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["lsblk", "-J", "-b", "-o", "NAME,SIZE,TYPE,FSTYPE,MOUNTPOINT,PKNAME"],
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capture_output=True,
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text=True,
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)
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if result.returncode == 0:
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data = json.loads(result.stdout)
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devices = data.get("blockdevices", [])
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if disk_device:
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# Look for the specific device (match name, e.g. "nvme0n1")
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# disk_device from storage page is usually just the name like "nvme0n1" or "sda"
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# But if it's full path /dev/sda, we need to strip /dev/
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dev_name = disk_device.replace("/dev/", "")
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for dev in devices:
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if dev.get("name") == dev_name:
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target_disk = dev
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break
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# If no specific disk requested or not found, maybe fallback or do nothing
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# The previous logic found the first one. Let's keep strict if device is provided.
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if not target_disk and not disk_device:
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for dev in devices:
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if (
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dev.get("type") == "disk"
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and not dev.get("name").startswith("zram")
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and not dev.get("name").startswith("loop")
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):
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target_disk = dev
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break
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except Exception as e:
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print(f"Error loading disks: {e}")
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if target_disk:
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self.disk_row.set_title(target_disk.get("name", "Unknown Disk"))
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self.disk_row.set_subtitle(
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f"Size: {self.format_size(target_disk.get('size', 0))}"
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)
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raw_parts = target_disk.get("children", [])
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self.partitions = []
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total_disk_size = int(target_disk.get("size", 0))
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covered_size = 0
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for p in raw_parts:
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p_size = int(p.get("size", 0))
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covered_size += p_size
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fstype = p.get("fstype", "").lower()
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style = "part-root"
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if "fat" in fstype or "efi" in fstype:
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style = "part-efi"
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elif "swap" in fstype:
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style = "part-swap"
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self.partitions.append(
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{
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"type": "partition",
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"name": p.get("name"),
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"filesystem": p.get("fstype", "Unknown"),
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"label": p.get("name"),
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"mount_point": p.get("mountpoint", ""),
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"size": self.format_size(p_size),
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"bytes": p_size,
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"style_class": style,
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"expand": False,
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}
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)
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remaining = total_disk_size - covered_size
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if remaining > 100 * 1024 * 1024:
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self.partitions.append(
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{
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"type": "empty",
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"name": "Unallocated",
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"size": self.format_size(remaining),
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"bytes": remaining,
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"style_class": "part-empty",
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"expand": False,
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}
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)
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total_display_units = 1000
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for p in self.partitions:
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ratio = p["bytes"] / total_disk_size if total_disk_size > 0 else 0
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width = int(ratio * 800)
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if width < 50:
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width = 50
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p["width_request"] = width
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else:
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self.partitions = [
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{
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"type": "empty",
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"name": "No Disk Selected",
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"size": "-",
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"style_class": "part-empty",
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"width_request": 300,
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}
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]
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self.refresh_bar()
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def format_size(self, size_bytes):
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size = float(size_bytes)
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for unit in ["B", "KB", "MB", "GB", "TB"]:
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if size < 1024.0:
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return f"{size:.1f} {unit}"
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size /= 1024.0
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return f"{size:.1f} PB"
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def add_legend_item(self, box, style_class, label_text):
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item = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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item.set_spacing(6)
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swatch = Gtk.Box()
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swatch.set_size_request(16, 16)
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swatch.add_css_class(style_class)
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swatch.add_css_class("circular")
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label = Gtk.Label(label=label_text)
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item.append(swatch)
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item.append(label)
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box.append(item)
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def refresh_bar(self):
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child = self.visual_bar.get_first_child()
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while child:
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next_child = child.get_next_sibling()
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self.visual_bar.remove(child)
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child = next_child
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for part in self.partitions:
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segment = PartitionSegment(part, self)
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self.visual_bar.append(segment)
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def show_details_window(self, data):
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win = Adw.Window(title="Partition Details")
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win.set_transient_for(self.get_root())
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win.set_modal(True)
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win.set_default_size(300, 200)
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box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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box.set_spacing(12)
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box.set_margin_top(24)
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box.set_margin_bottom(24)
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box.set_margin_start(24)
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box.set_margin_end(24)
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win.set_content(box)
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title = Gtk.Label(label=data.get("name", "Unknown"))
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title.add_css_class("title-2")
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box.append(title)
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grid = Gtk.Grid()
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grid.set_column_spacing(12)
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grid.set_row_spacing(6)
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grid.set_halign(Gtk.Align.CENTER)
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box.append(grid)
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rows = [
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("Type", data.get("type", "-")),
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("Size", data.get("size", "-")),
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]
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if data.get("type") == "partition":
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rows.append(("Filesystem", data.get("filesystem", "-")))
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rows.append(("Mount Point", data.get("mount_point") or "None"))
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for i, (key, val) in enumerate(rows):
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k_lbl = Gtk.Label(label=key, xalign=1)
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k_lbl.add_css_class("dim-label")
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v_lbl = Gtk.Label(label=val, xalign=0)
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grid.attach(k_lbl, 0, i, 1, 1)
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grid.attach(v_lbl, 1, i, 1, 1)
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btn = Gtk.Button(label="Close")
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btn.connect("clicked", lambda b: win.close())
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btn.set_halign(Gtk.Align.CENTER)
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box.append(btn)
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win.present()
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def show_context_menu(self, widget, x, y):
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data = widget.part_data
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popover = Gtk.Popover()
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popover.set_parent(widget)
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menu_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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menu_box.set_spacing(0)
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popover.set_child(menu_box)
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def add_menu_item(label, icon_name=None, destructive=False):
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btn = Gtk.Button(label=label)
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btn.add_css_class("flat")
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btn.set_halign(Gtk.Align.FILL)
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if destructive:
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btn.add_css_class("destructive-action")
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if icon_name:
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content = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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content.set_spacing(12)
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icon = Gtk.Image.new_from_icon_name(icon_name)
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lbl = Gtk.Label(label=label)
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content.append(icon)
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content.append(lbl)
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btn.set_child(content)
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menu_box.append(btn)
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return btn
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if data.get("type") == "partition":
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add_menu_item("Select Mount Point", "folder-open-symbolic")
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add_menu_item("Format", "drive-harddisk-symbolic")
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add_menu_item("Resize", "object-resize-symbolic")
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separator = Gtk.Separator()
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menu_box.append(separator)
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btn_del = add_menu_item("Delete", "user-trash-symbolic", destructive=True)
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btn_del.add_css_class("error")
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elif data.get("type") == "empty":
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add_menu_item("Create Partition", "list-add-symbolic")
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popover.popup()
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def get_config(self):
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return {"partitions": self.partitions}
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