479 lines
18 KiB
Python
479 lines
18 KiB
Python
"""The Manage Kits dialog: what the app pins, what Sedona home offers, and repinning.
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The table answers two questions per kit — which build the app is pinned to, and which
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builds exist — and the Action column is where a different build is chosen. Nothing is
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written to the file until one of the buttons is pressed, so the whole table can be set up
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first and reviewed as a batch.
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Rows come in three groups, in this order: kits the app needs — named by a component or
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depended on by a kit that is — then kits the schema declares without needing, then
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everything else installed in Sedona home.
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The tick in the first column means "the schema declares this kit". A kit the app needs is
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ticked and greyed, because removing it would stop the app running; one that is merely
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declared can be unticked, which turns its Action into REMOVE. An installed kit that is not
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declared starts unticked, and ticking it adds it at its newest build.
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"""
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import tkinter as tk
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from tkinter import messagebox, ttk
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import app_state
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import palette
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import sax_file
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NOT_DECLARED = "—" # em dash, for a column with nothing to report
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NO_CHECKSUM = "(no checksum)"
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REMOVE_ACTION = "REMOVE from app"
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SECTION_TAG = "section"
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CHECKBOX_SIZE = 13
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# The tick, as filled 2x2 blocks: a short down-stroke into a long up-stroke.
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TICK_BLOCKS = [
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(2, 5), (3, 6), (4, 7), (5, 6), (6, 5), (7, 4), (8, 3), (9, 2),
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]
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def make_checkbox_image(checked, enabled):
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"""A checkbox drawn pixel by pixel, so a locked tick can be greyed out.
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Tk has no disabled state for a cell, and a row tag would grey the whole row including
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an Action the user can still change — so the box itself carries the distinction.
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"""
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image = tk.PhotoImage(width=CHECKBOX_SIZE, height=CHECKBOX_SIZE)
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face = "#ffffff" if enabled else "#f0f0f0"
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border = "#555555" if enabled else "#a8a8a8"
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ink = "#1a1a1a" if enabled else "#909090"
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image.put(face, to=(0, 0, CHECKBOX_SIZE, CHECKBOX_SIZE))
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image.put(border, to=(0, 0, CHECKBOX_SIZE, 1))
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image.put(border, to=(0, CHECKBOX_SIZE - 1, CHECKBOX_SIZE, CHECKBOX_SIZE))
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image.put(border, to=(0, 0, 1, CHECKBOX_SIZE))
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image.put(border, to=(CHECKBOX_SIZE - 1, 0, CHECKBOX_SIZE, CHECKBOX_SIZE))
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if checked:
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for x, y in TICK_BLOCKS:
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image.put(ink, to=(x, y, x + 2, y + 2))
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return image
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def build_label(version, checksum):
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"""How a build is named in a sentence: its version, or its checksum when it has none."""
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return version if version else f"checksum {checksum}"
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def column_label(version, checksum):
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"""How a build is named in the Installed and Latest columns, which are narrow."""
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return version if version else checksum
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def action_options(kit_name, current_checksum, is_declared, builds):
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"""The Action dropdown for one kit: (label, checksum to apply) pairs, no-op first.
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The no-op comes first so a row does nothing until the user picks something, and the
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remaining entries read as upgrade or downgrade relative to the pinned build — which is
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what makes the column scannable when a kit ships thirty builds.
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"""
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installed_version = None
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for version, checksum in builds:
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if checksum == current_checksum:
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installed_version = version
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break
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if not is_declared:
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options = [("Not in schema", None)]
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elif current_checksum is None:
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options = [("Keep with no checksum", None)]
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elif installed_version is None:
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# The file pins a build this machine does not hold, so there is nothing to name it
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# by and no way to tell whether the other builds are newer or older than it.
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options = [(f"Keep at checksum {current_checksum}", None)]
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else:
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options = [(f"Keep at {build_label(installed_version, current_checksum)}", None)]
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installed_rank = palette.version_sort_key(installed_version) if installed_version else None
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for version, checksum in builds:
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if is_declared and checksum == current_checksum:
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continue
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label = build_label(version, checksum)
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if not is_declared:
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verb = "Add at"
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elif installed_rank is None or not version:
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verb = "Set to"
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elif palette.version_sort_key(version) > installed_rank:
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verb = "Upgrade to"
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elif palette.version_sort_key(version) < installed_rank:
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verb = "Downgrade to"
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else:
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verb = "Set to"
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options.append((f"{verb} {label}", checksum))
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return options
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def collect_rows():
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"""Every kit worth listing, as row dicts in the order they should appear.
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A row carries what the table paints and what the buttons act on, so the dialog never
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has to re-derive a kit's state from the DOM while it is open.
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"""
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declared = sax_file.schema_kit_checksums()
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declared_names = [name for name, _ in declared]
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required = sax_file.required_kit_names()
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installed = palette.list_kits()
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# A kit the schema declares but Sedona home does not hold still gets a row: it is the
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# clearest place to see that the file points at something missing.
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others = [name for name in installed if name not in declared_names]
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groups = [
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("Installed kits", [
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(name, checksum) for name, checksum in declared if name in required
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]),
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("Installed but not used kits", [
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(name, checksum) for name, checksum in declared if name not in required
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]),
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("Kits to be installed", [(name, None) for name in others]),
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]
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rows = []
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for title, entries in groups:
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if not entries:
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continue
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rows.append({"section": title})
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for name, checksum in entries:
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builds = palette.kit_builds(name)
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latest = builds[0] if builds else None
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is_declared = name in declared_names
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options = action_options(name, checksum, is_declared, builds)
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if not is_declared:
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installed_text = NOT_DECLARED
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elif checksum is None:
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installed_text = NO_CHECKSUM
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else:
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installed_text = column_label(
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next((v for v, c in builds if c == checksum), ""), checksum
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)
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rows.append({
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"kit": name,
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"declared": is_declared,
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"required": name in required,
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"checksum": checksum,
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"builds": builds,
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"latest": latest,
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"installed_text": installed_text,
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"latest_text": column_label(*latest) if latest else NOT_DECLARED,
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"options": options,
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"choice": 0,
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# The tick reflects the file as it stands: declared kits start ticked.
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"checked": is_declared,
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})
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return rows
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def describe_changes(changes):
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"""The applied-changes report, one kit per line, old build to new."""
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lines = []
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for kit_name, old_checksum, new_checksum in changes:
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old_label = (
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build_label(palette.version_for_checksum(kit_name, old_checksum), old_checksum)
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if old_checksum else None
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)
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if new_checksum is None:
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was = f" (was {old_label})" if old_label else ""
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lines.append(f" • {kit_name}: removed from the schema{was}")
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continue
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new_label = build_label(
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palette.version_for_checksum(kit_name, new_checksum), new_checksum
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)
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if old_checksum is None:
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lines.append(f" • {kit_name}: added at {new_label}")
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else:
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lines.append(f" • {kit_name}: {old_label} → {new_label}")
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return "\n".join(lines)
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class KitsPanel:
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"""The kit table, built as an embedded panel in the editor pane."""
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def __init__(self, parent, on_applied, on_close):
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self.on_applied = on_applied
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self.on_close = on_close
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self.frame = ttk.Frame(parent, padding=10)
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COLUMNS = ("name", "installed", "latest", "action")
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table_frame = ttk.Frame(self.frame)
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table_frame.pack(fill=tk.BOTH, expand=True)
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self.table = ttk.Treeview(
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table_frame, columns=COLUMNS, show="tree headings", selectmode="browse",
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)
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self.table.heading("#0", text="")
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self.table.column("#0", width=32, minwidth=32, stretch=False, anchor="center")
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for column, heading, width, anchor in [
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("name", "Kit name", 190, "w"),
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("installed", "Installed", 105, "w"),
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("latest", "Latest", 105, "w"),
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("action", "Action", 195, "w"),
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]:
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self.table.heading(column, text=heading, anchor=anchor)
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self.table.column(column, width=width, minwidth=width, anchor=anchor, stretch=False)
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vscroll = ttk.Scrollbar(table_frame, orient=tk.VERTICAL, command=self.table.yview)
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hscroll = ttk.Scrollbar(table_frame, orient=tk.HORIZONTAL, command=self.table.xview)
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self.table.configure(yscrollcommand=vscroll.set, xscrollcommand=hscroll.set)
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vscroll.pack(side=tk.RIGHT, fill=tk.Y)
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hscroll.pack(side=tk.BOTTOM, fill=tk.X)
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self.table.pack(fill=tk.BOTH, expand=True)
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self.table.tag_configure(SECTION_TAG, background="#dcdcdc")
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self.boxes = {
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(True, True): make_checkbox_image(True, True),
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(False, True): make_checkbox_image(False, True),
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(True, False): make_checkbox_image(True, False),
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(False, False): make_checkbox_image(False, False),
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}
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hint = ttk.Label(
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self.frame,
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text="A tick means the schema declares the kit. Grey ticks are needed by the app "
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"and cannot be removed; untick another to remove it. Click the Action cell to "
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"choose a build. Nothing reaches the file until you save it.",
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foreground="#666666",
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wraplength=780,
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)
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hint.pack(anchor="w", pady=(8, 0))
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button_row = ttk.Frame(self.frame)
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button_row.pack(fill=tk.X, pady=(10, 0))
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ttk.Button(
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button_row, text="Upgrade all kits to latest version", command=self._upgrade_all,
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).pack(side=tk.LEFT)
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ttk.Button(
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button_row, text="Update kits", command=self._update_marked,
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).pack(side=tk.LEFT, padx=6)
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ttk.Button(button_row, text="Close", command=self.close).pack(side=tk.RIGHT)
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self.rows = []
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self.row_by_item = {}
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self._editor_widget = None
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self.table.bind("<Button-1>", self._on_click)
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self.table.bind("<MouseWheel>", lambda _e: self._close_editor(), add="+")
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self.table.bind("<Configure>", lambda _e: self._close_editor(), add="+")
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self._rebuild_table()
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def close(self):
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if self.on_close is not None:
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self.on_close()
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def destroy(self):
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self._close_editor()
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self.frame.destroy()
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def _close_editor(self):
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if self._editor_widget is not None:
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self._editor_widget.destroy()
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self._editor_widget = None
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def _action_text(self, row):
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if row["declared"] and not row["checked"]:
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return REMOVE_ACTION
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return row["options"][row["choice"]][0]
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def _row_values(self, row):
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return (row["kit"], row["installed_text"], row["latest_text"], self._action_text(row))
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def _row_image(self, row):
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return self.boxes[(row["checked"], not row["required"])]
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def _rebuild_table(self):
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self._close_editor()
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for item in self.table.get_children():
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self.table.delete(item)
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self.row_by_item.clear()
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self.rows[:] = collect_rows()
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for row in self.rows:
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if "section" in row:
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self.table.insert(
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"", "end", values=(row["section"], "", "", ""), tags=(SECTION_TAG,),
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)
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continue
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item = self.table.insert(
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"", "end", image=self._row_image(row), values=self._row_values(row),
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)
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self.row_by_item[item] = row
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def _refresh_row(self, item):
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row = self.row_by_item[item]
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self.table.item(item, image=self._row_image(row), values=self._row_values(row))
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def _set_choice(self, item, index):
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row = self.row_by_item[item]
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row["choice"] = index
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if row["declared"] or row["options"][index][1] is not None:
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row["checked"] = True
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self._refresh_row(item)
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def _toggle_check(self, item):
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row = self.row_by_item[item]
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if row["required"]:
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return
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row["checked"] = not row["checked"]
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if not row["declared"]:
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row["choice"] = 1 if (row["checked"] and len(row["options"]) > 1) else 0
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if row["checked"] and len(row["options"]) < 2:
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row["checked"] = False
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messagebox.showwarning(
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"Manage Kits",
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f"Sedona home holds no manifest for '{row['kit']}', so there is no "
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"build to add it at.",
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)
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self._refresh_row(item)
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def _edit_action(self, item):
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row = self.row_by_item[item]
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cell = self.table.bbox(item, "action")
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if not cell:
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return
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labels = [label for label, _ in row["options"]]
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current = self._action_text(row)
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variable = tk.StringVar(value=current if current in labels else labels[row["choice"]])
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combo = ttk.Combobox(self.table, textvariable=variable, values=labels, state="readonly")
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combo.place(x=cell[0], y=cell[1], width=cell[2], height=cell[3])
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self._editor_widget = combo
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def commit(_event=None):
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if variable.get() in labels:
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self._set_choice(item, labels.index(variable.get()))
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self._close_editor()
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combo.bind("<<ComboboxSelected>>", commit)
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combo.bind("<Escape>", lambda _e: self._close_editor())
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combo.focus_set()
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combo.after_idle(lambda: combo.event_generate("<Down>"))
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def _on_click(self, event):
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self._close_editor()
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if self.table.identify_region(event.x, event.y) not in ("tree", "cell"):
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return
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item = self.table.identify_row(event.y)
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if item not in self.row_by_item:
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return
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column = self.table.identify_column(event.x)
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if column == "#0":
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self._toggle_check(item)
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elif column == "#4":
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self._edit_action(item)
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def _apply_changes(self, selections, removals, label, nothing_message, note=""):
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if not selections and not removals:
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messagebox.showinfo("Manage Kits", nothing_message)
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return
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changes, error = sax_file.apply_kit_selections(selections, removals, label=label)
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if error:
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messagebox.showerror("Kits unchanged", error)
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self._rebuild_table()
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return
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if not changes:
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messagebox.showinfo("Manage Kits", "The schema already reads that way.")
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return
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self._rebuild_table()
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if self.on_applied is not None:
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self.on_applied()
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app_state.set_status(
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f"schema kits changed ({len(changes)}) — save the file to keep it.",
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warn=True,
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)
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messagebox.showinfo(
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"Kits updated",
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f"The schema block now reads:\n\n{describe_changes(changes)}\n\n"
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+ (note + "\n\n" if note else "")
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+ "Save the file to write this to disk. The device's scode must hold these "
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"builds or the application will not run.",
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)
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def _upgrade_all(self):
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selections = []
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for row in self.rows:
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if "section" in row or not row["declared"] or not row["latest"]:
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continue
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latest_checksum = row["latest"][1]
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if latest_checksum != row["checksum"]:
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selections.append((row["kit"], latest_checksum))
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if selections:
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preview = "\n".join(
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f" • {kit}: {build_label(palette.version_for_checksum(kit, checksum), checksum)}"
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for kit, checksum in selections
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)
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proceed = messagebox.askokcancel(
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"Upgrade all kits",
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f"{len(selections)} kit{'' if len(selections) == 1 else 's'} in this app's "
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f"schema will move to their latest installed build:\n\n{preview}\n\nContinue?",
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icon=messagebox.WARNING,
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)
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if not proceed:
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return
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self._apply_changes(
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selections, [],
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"upgrade all kits",
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"Every kit in the schema is already at its latest installed build.",
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)
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def _update_marked(self):
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selections = []
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removals = []
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for row in self.row_by_item.values():
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if row["declared"] and not row["checked"]:
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removals.append(row["kit"])
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continue
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if not row["checked"]:
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continue
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checksum = row["options"][row["choice"]][1]
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if checksum:
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selections.append((row["kit"], checksum))
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note = ""
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if removals:
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note = (
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"Removed kits are gone from the schema only. Any build of them still "
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"installed in Sedona home can be added back here."
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)
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self._apply_changes(
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selections, removals,
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"update kits",
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"Nothing is marked for a change. Pick a build in a kit's Action column, tick "
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"a kit to add it, or untick one to remove it.",
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)
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def build_kits_panel(parent, on_applied, on_close):
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"""Factory matching the pattern of properties.build_properties_panel."""
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return KitsPanel(parent, on_applied=on_applied, on_close=on_close)
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