277 lines
15 KiB
Python
277 lines
15 KiB
Python
#!/usr/bin/env python3
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"""Generate the ESPHome fleet package from printers.yaml. Requires PyYAML."""
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import argparse
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import json
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from pathlib import Path
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import re
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import yaml
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HERE = Path(__file__).resolve().parent
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NUMERIC = {
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'progress': 'print_progress', 'nozzle': 'nozzle_temperature',
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'nozzle_target': 'nozzle_target_temperature', 'bed': 'bed_temperature',
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'bed_target': 'bed_target_temperature', 'time_left': 'remaining_time',
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'layer': 'current_layer', 'total_layers': 'total_layer_count',
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'fan': 'cooling_fan_speed',
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}
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DUAL = {
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'left_nozzle': 'left_nozzle_temperature', 'left_target': 'left_nozzle_target_temperature',
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'right_nozzle': 'right_nozzle_temperature', 'right_target': 'right_nozzle_target_temperature',
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}
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EXTRA_FANS = {'aux_fan': 'aux_fan_speed', 'exhaust_fan': 'chamber_fan_speed'}
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TEXT = {'status': 'print_status', 'task': 'task_name', 'stage': 'current_stage'}
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BINARY = {'online': 'online', 'print_error': 'print_error', 'hms_error': 'hms_errors'}
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BG, CARD, TRACK, TEXT_COLOR, MUTED, GREEN = (
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0x000000, 0x000000, 0x19232B, 0xEEEEEE, 0xAEB3B7, 0x00FF00)
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ORANGE, CYAN = 0xFFAA00, 0x00E5E5
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class Lambda(str):
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"""A C++ lambda serialized with ESPHome's YAML tag."""
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class Dumper(yaml.SafeDumper):
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def ignore_aliases(self, data):
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return True
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Dumper.add_representer(Lambda, lambda dumper, text: dumper.represent_scalar('!lambda', text, style='|'))
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def entity(printer, key, suffix, domain='sensor'):
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return printer.get('entities', {}).get(key, f'{domain}.{printer["entity_prefix"]}_{suffix}')
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def trays_for(printer):
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result = []
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for bank in printer.get('filament_banks', []):
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for slot in range(1, 5):
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result.append({'label': f'{bank["label"]}{slot}',
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'entity': f'sensor.{bank["entity_prefix"]}_tray_{slot}'})
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return result + printer.get('external_spools', [])
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def validate_printers(printers):
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if not isinstance(printers, list) or not printers:
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raise ValueError('printers must be a nonempty list')
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ids = set()
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for printer in printers:
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for key in ('id', 'name', 'subtitle', 'entity_prefix'):
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if not isinstance(printer.get(key), str) or not printer[key]:
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raise ValueError(f'Each printer needs a nonempty {key}')
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pid = printer['id']
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if not re.fullmatch(r'[a-z][a-z0-9_]*', pid) or pid in ids:
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raise ValueError(f'Invalid or duplicate printer id: {pid}')
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ids.add(pid)
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if len(trays_for(printer)) > 8:
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raise ValueError(f'{pid}: the filament strip fits up to eight slots')
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if 'dual_nozzle' in printer and not isinstance(printer['dual_nozzle'], bool):
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raise ValueError(f'{pid}: dual_nozzle must be true or false')
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if any(key not in EXTRA_FANS for key in printer.get('extra_fans', [])):
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raise ValueError(f'{pid}: extra_fans supports aux_fan and exhaust_fan')
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for value in printer.get('entities', {}).values():
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if not isinstance(value, str) or not re.fullmatch(r'(sensor|binary_sensor)\.[a-z0-9_]+', value):
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raise ValueError(f'{pid}: invalid entity override: {value}')
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def label(text, x, y, width, font=18, **kwargs):
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return {'label': {'text': text, 'x': x, 'y': y, 'width': width,
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'height': font + 8, 'text_color': TEXT_COLOR,
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'text_font': f'montserrat_{font}', 'long_mode': 'DOT',
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'gesture_bubble': True, **kwargs}}
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def gauge(pid, key, title, x, y, color, maximum):
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return [
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{'arc': {'id': f'{pid}_{key}_arc', 'x': x + 8, 'y': y, 'width': 154, 'height': 154,
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'min_value': 0, 'max_value': maximum, 'value': 0,
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'start_angle': 135, 'end_angle': 45, 'arc_width': 13,
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'arc_color': TRACK, 'indicator': {'arc_color': color, 'arc_width': 13},
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'adjustable': False, 'gesture_bubble': True}},
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label('--', x + 14, y + 47, 142, 32, id=f'{pid}_{key}_label', text_align='CENTER'),
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label('--', x + 14, y + 86, 142, 16, id=f'{pid}_{key}_detail', text_align='CENTER', text_color=MUTED),
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label(title, x, y + 137, 170, 18, text_align='CENTER', text_color=color),
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]
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def page_for(printer, index, total):
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pid = printer['id']
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widgets = [
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{'bar': {'id': f'{pid}_top_progress', 'x': 0, 'y': 0, 'width': 800, 'height': 5,
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'min_value': 0, 'max_value': 100, 'value': 0, 'bg_color': TRACK,
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'indicator': {'bg_color': GREEN}, 'gesture_bubble': True}},
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label(printer['name'], 16, 17, 485, 26, text_color=GREEN),
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label(f'{index + 1} / {total}', 520, 24, 70, 14, text_color=MUTED, text_align='CENTER'),
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label('SYNCING', 598, 21, 186, 16, id=f'{pid}_status_label', text_align='RIGHT', text_color=MUTED),
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{'obj': {'x': 578, 'y': 64, 'width': 1, 'height': 362, 'bg_color': TRACK,
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'border_width': 0, 'pad_all': 0, 'scrollable': False, 'gesture_bubble': True}},
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]
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widgets += gauge(pid, 'progress', 'Progress', 16, 62, GREEN, 100)
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widgets += gauge(pid, 'nozzle', 'Nozzle L' if printer.get('dual_nozzle') else 'Nozzle',
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202, 62, ORANGE, 300)
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widgets += gauge(pid, 'bed', 'Bed', 388, 62, CYAN, 120)
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widgets += gauge(pid, 'fan', 'Part', 16, 229, 0xEEEEEE, 100)
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widgets += gauge(pid, 'aux', 'Nozzle R' if printer.get('dual_nozzle') else 'Aux',
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202, 229, ORANGE if printer.get('dual_nozzle') else 0xEEEEEE,
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300 if printer.get('dual_nozzle') else 100)
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widgets += gauge(pid, 'exhaust', 'Exhaust', 388, 229, GREEN, 100)
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widgets += [
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label('--', 16, 401, 544, 26, id=f'{pid}_remaining_label', text_color=GREEN, text_align='CENTER'),
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label('Telemetry unavailable', 16, 430, 544, 12, id=f'{pid}_stage_label', text_color=MUTED, text_align='CENTER'),
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label('--', 594, 397, 190, 16, id=f'{pid}_layers_label', text_color=MUTED, text_align='CENTER'),
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]
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trays = trays_for(printer)
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for i, tray in enumerate(trays):
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bank = i // 4
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slot = i % 4
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if slot == 0:
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title = 'AMS ' + tray['label'][:-1] if tray['label'][-1:].isdigit() else 'EXTERNAL SPOOL'
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widgets.append(label(title, 594, 70 + bank * 145, 190, 20,
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text_align='CENTER', text_color=MUTED))
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widgets.append({'obj': {
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'id': f'{pid}_tray_{i}_card', 'x': 594 + 48 * slot, 'y': 102 + bank * 145,
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'width': 44, 'height': 82, 'bg_color': BG, 'radius': 5,
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'border_width': 1, 'border_color': TRACK, 'pad_all': 0,
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'scrollable': False, 'gesture_bubble': True,
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'widgets': [
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{'obj': {'id': f'{pid}_tray_{i}_swatch', 'x': 3, 'y': 3, 'width': 36,
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'height': 40, 'bg_color': TRACK, 'radius': 4, 'border_width': 0,
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'pad_all': 0, 'scrollable': False, 'gesture_bubble': True}},
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label(f'{tray["label"]}\n--', 1, 46, 40, 12, height=34,
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id=f'{pid}_tray_{i}_label', text_align='CENTER'),
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]}})
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if not trays:
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widgets.append(label('No AMS', 594, 150, 190, 20, text_color=MUTED, text_align='CENTER'))
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for direction, x, text in (('previous', 16, '<'), ('next', 720, '>')):
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widgets.append({'button': {'x': x, 'y': 446, 'width': 64, 'height': 30,
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'bg_color': TRACK, 'radius': 8, 'border_width': 0,
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'pad_all': 0, 'gesture_bubble': True,
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'widgets': [{'label': {'text': text, 'align': 'CENTER',
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'text_color': TEXT_COLOR, 'text_font': 'montserrat_18'}}],
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'on_click': [{f'lvgl.page.{direction}': {}}]}})
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widgets.append(label('Waiting for Home Assistant', 94, 449, 612, 14,
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id=f'{pid}_task_label', text_align='CENTER'))
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return {'id': f'{pid}_page', 'bg_color': BG, 'bg_opa': 'COVER',
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'pad_all': 0, 'scrollable': False, 'scrollbar_mode': 'OFF',
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'on_swipe_left': [
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{'lambda': Lambda('if (auto *input = lv_indev_active()) lv_indev_wait_release(input);')},
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{'lvgl.page.next': {'animation': 'MOVE_LEFT', 'time': '180ms'}}],
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'on_swipe_right': [
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{'lambda': Lambda('if (auto *input = lv_indev_active()) lv_indev_wait_release(input);')},
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{'lvgl.page.previous': {'animation': 'MOVE_RIGHT', 'time': '180ms'}}],
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'on_load': [{'script.execute': f'{pid}_refresh'}], 'widgets': widgets}
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def color_test_page():
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widgets = [label('DISPLAY COLOR TEST', 16, 18, 768, 28),
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label('Each block must match its label. Swipe to return to the printers.',
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16, 62, 768, 18)]
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colors = [('RED', 0xFF0000), ('GREEN', 0x00FF00), ('BLUE', 0x0000FF),
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('WHITE', 0xFFFFFF), ('CYAN', 0x00FFFF), ('MAGENTA', 0xFF00FF)]
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for i, (name, color) in enumerate(colors):
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widgets += [
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{'obj': {'x': 16 + i * 129, 'y': 118, 'width': 122, 'height': 200,
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'bg_color': color, 'bg_opa': 'COVER', 'border_width': 0,
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'scrollable': False, 'gesture_bubble': True}},
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label(name, 16 + i * 129, 332, 122, 18, text_align='CENTER'),
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]
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return {'id': 'color_test_page', 'skip': True, 'bg_color': BG, 'bg_opa': 'COVER',
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'pad_all': 0, 'scrollable': False,
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'on_swipe_left': [{'lvgl.page.next': {}}],
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'on_swipe_right': [{'lvgl.page.previous': {}}], 'widgets': widgets}
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def generate(printers):
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validate_printers(printers)
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package = {'sensor': [], 'text_sensor': [], 'script': [],
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'interval': [{'interval': '1s', 'then': []}], 'lvgl': {'pages': []}}
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for index, printer in enumerate(printers):
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pid = printer['id']
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fields = dict(NUMERIC)
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if printer.get('dual_nozzle'):
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fields.update(DUAL)
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fields.update({key: EXTRA_FANS[key] for key in printer.get('extra_fans', [])})
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expressions = {}
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for key, suffix in fields.items():
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sid = f'{pid}_{key}'
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eid = entity(printer, key, suffix)
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package['sensor'].append({'platform': 'homeassistant', 'id': sid,
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'entity_id': eid, 'internal': True})
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expressions[key] = f'id({sid}).state'
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text_fields = {key: (entity(printer, key, suffix), None) for key, suffix in TEXT.items()}
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text_fields.update({key: (entity(printer, key, suffix, 'binary_sensor'), None)
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for key, suffix in BINARY.items()})
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for key, numeric_key in [('remaining_unit', 'time_left'), ('nozzle_unit', 'nozzle'), ('bed_unit', 'bed')]:
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text_fields[key] = (entity(printer, numeric_key, NUMERIC[numeric_key]), 'unit_of_measurement')
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trays = trays_for(printer)
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for i, tray in enumerate(trays):
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for key, attr in [('type', 'type'), ('color', 'color'), ('active', 'active')]:
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text_fields[f'tray_{i}_{key}'] = (tray['entity'], attr)
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for key, (eid, attribute) in text_fields.items():
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sid = f'{pid}_{key}'
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subscription = {'platform': 'homeassistant', 'id': sid, 'entity_id': eid, 'internal': True}
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if attribute:
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subscription['attribute'] = attribute
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package['text_sensor'].append(subscription)
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expressions[key] = f'id({sid}).state'
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lines = ['bambu_display::Snapshot data;',
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'data.connected = id(ha_api).is_connected_with_state_subscription();']
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for key, expr in expressions.items():
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if not key.startswith('tray_'):
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lines.append(f'data.{key} = {expr};')
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if printer.get('dual_nozzle'):
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lines.append('data.dual_nozzle = true;')
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lines += [
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'const int seconds_left = bambu_display::duration_seconds(data.time_left, data.remaining_unit);',
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'const auto clock = id(ha_time).now();',
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'if (clock.is_valid() && seconds_left >= 0)',
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' data.finish_time = esphome::ESPTime::from_epoch_local(clock.timestamp + seconds_left).strftime("%H:%M");',
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]
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tray_widgets = []
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for i, tray in enumerate(trays):
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lines.append('data.trays.push_back({' + ', '.join([
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json.dumps(tray['label']), expressions[f'tray_{i}_type'],
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expressions[f'tray_{i}_color'], expressions[f'tray_{i}_active']]) + '});')
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tray_widgets.append('{' + ', '.join(f'id({pid}_tray_{i}_{part})'
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for part in ('card', 'swatch', 'label')) + '}')
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refs = [f'id({pid}_{key})' for key in (
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'status_label', 'task_label', 'top_progress', 'remaining_label', 'layers_label', 'stage_label')]
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for key in ('progress', 'nozzle', 'bed', 'fan', 'aux', 'exhaust'):
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refs.append('{' + ', '.join(f'id({pid}_{key}_{part})' for part in ('arc', 'label', 'detail')) + '}')
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refs.append('{' + ', '.join(tray_widgets) + '}')
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lines.append('bambu_display::render(data, {' + ', '.join(refs) + '});')
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package['script'].append({'id': f'{pid}_refresh', 'then': [{'lambda': Lambda('\n'.join(lines))}]})
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package['interval'][0]['then'].append({'if': {
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'condition': {'lvgl.page.is_showing': f'{pid}_page'},
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'then': [{'script.execute': f'{pid}_refresh'}]}})
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package['lvgl']['pages'].append(page_for(printer, index, len(printers)))
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package['lvgl']['pages'].append(color_test_page())
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package['button'] = [{'platform': 'template', 'name': 'Display Color Test',
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'entity_category': 'diagnostic',
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'on_press': [{'lvgl.page.show': 'color_test_page'}]}]
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return package
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--check', action='store_true', help='Fail if generated.yaml is stale')
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args = parser.parse_args()
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printers = yaml.safe_load((HERE / 'printers.yaml').read_text())['printers']
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package = generate(printers)
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content = ('# AUTO-GENERATED by bambu-display/generate.py. Edit printers.yaml or generate.py.\n'
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+ yaml.dump(package, Dumper=Dumper, sort_keys=False, allow_unicode=True, width=110))
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destination = HERE / 'generated.yaml'
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if args.check:
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if not destination.exists() or destination.read_text() != content:
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raise SystemExit('generated.yaml is stale; run generate.py')
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print(f'Generated configuration is current ({len(printers)} printer pages).')
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else:
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destination.write_text(content)
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print(f'Generated {destination.name} with {len(printers)} printer pages.')
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if __name__ == '__main__':
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main()
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