cdca708da9
- Use one common entry loop to consume iterator only once. - Use same key function for sort() and groupby(), except replace None with empty string when sorting.
181 lines
8.5 KiB
Python
181 lines
8.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from dataclasses import asdict
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from itertools import groupby
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from typing import Any, List, Tuple, Union
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from wireviz.DataClasses import AdditionalComponent, Connector, Cable
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from wireviz.wv_gv_html import html_line_breaks
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from wireviz.wv_helper import clean_whitespace
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def get_additional_component_table(harness, component: Union[Connector, Cable]) -> List[str]:
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rows = []
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if component.additional_components:
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rows.append(["Additional components"])
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for extra in component.additional_components:
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qty = extra.qty * component.get_qty_multiplier(extra.qty_multiplier)
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if harness.mini_bom_mode:
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id = get_bom_index(harness.bom(), extra)
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rows.append(component_table_entry(f'#{id} ({extra.type.rstrip()})', qty, extra.unit))
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else:
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rows.append(component_table_entry(extra.description, qty, extra.unit, extra.pn, extra.manufacturer, extra.mpn))
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return rows
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def get_additional_component_bom(component: Union[Connector, Cable]) -> List[dict]:
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bom_entries = []
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for part in component.additional_components:
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qty = part.qty * component.get_qty_multiplier(part.qty_multiplier)
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bom_entries.append({
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'item': part.description,
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'qty': qty,
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'unit': part.unit,
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'manufacturer': part.manufacturer,
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'mpn': part.mpn,
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'pn': part.pn,
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'designators': component.name if component.show_name else None
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})
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return bom_entries
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def bom_types_group(entry: dict) -> Tuple[str, ...]:
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"""Return a tuple of values from the dict that must be equal to join BOM entries."""
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return tuple(entry.get(key) for key in ('item', 'unit', 'manufacturer', 'mpn', 'pn'))
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def generate_bom(harness):
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from wireviz.Harness import Harness # Local import to avoid circular imports
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bom_entries = []
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# connectors
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for connector in harness.connectors.values():
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if not connector.ignore_in_bom:
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description = ('Connector'
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+ (f', {connector.type}' if connector.type else '')
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+ (f', {connector.subtype}' if connector.subtype else '')
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+ (f', {connector.pincount} pins' if connector.show_pincount else '')
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+ (f', {connector.color}' if connector.color else ''))
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bom_entries.append({
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'item': description, 'qty': 1, 'unit': None, 'designators': connector.name if connector.show_name else None,
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'manufacturer': connector.manufacturer, 'mpn': connector.mpn, 'pn': connector.pn
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})
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# add connectors aditional components to bom
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bom_entries.extend(get_additional_component_bom(connector))
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# cables
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# TODO: If category can have other non-empty values than 'bundle', maybe it should be part of item name?
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for cable in harness.cables.values():
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if not cable.ignore_in_bom:
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if cable.category != 'bundle':
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# process cable as a single entity
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description = ('Cable'
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+ (f', {cable.type}' if cable.type else '')
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+ (f', {cable.wirecount}')
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+ (f' x {cable.gauge} {cable.gauge_unit}' if cable.gauge else ' wires')
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+ (' shielded' if cable.shield else ''))
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bom_entries.append({
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'item': description, 'qty': cable.length, 'unit': cable.length_unit, 'designators': cable.name if cable.show_name else None,
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'manufacturer': cable.manufacturer, 'mpn': cable.mpn, 'pn': cable.pn
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})
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else:
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# add each wire from the bundle to the bom
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for index, color in enumerate(cable.colors):
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description = ('Wire'
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+ (f', {cable.type}' if cable.type else '')
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+ (f', {cable.gauge} {cable.gauge_unit}' if cable.gauge else '')
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+ (f', {color}' if color else ''))
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bom_entries.append({
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'item': description, 'qty': cable.length, 'unit': cable.length_unit, 'designators': cable.name if cable.show_name else None,
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'manufacturer': index_if_list(cable.manufacturer, index),
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'mpn': index_if_list(cable.mpn, index), 'pn': index_if_list(cable.pn, index)
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})
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# add cable/bundles aditional components to bom
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bom_entries.extend(get_additional_component_bom(cable))
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for item in harness.additional_bom_items:
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bom_entries.append({
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'item': item.get('description', ''), 'qty': item.get('qty', 1), 'unit': item.get('unit'), 'designators': item.get('designators'),
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'manufacturer': item.get('manufacturer'), 'mpn': item.get('mpn'), 'pn': item.get('pn')
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})
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# remove line breaks if present and cleanup any resulting whitespace issues
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bom_entries = [{k: clean_whitespace(v) for k, v in entry.items()} for entry in bom_entries]
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# Sort entries to prepare grouping on the same key function.
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bom_entries.sort(key=lambda entry: tuple(attr or '' for attr in bom_types_group(entry)))
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# deduplicate bom
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bom = []
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for _, group in groupby(bom_entries, bom_types_group):
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last_entry = None
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total_qty = 0
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designators = []
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for group_entry in group:
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designators.extend(make_list(group_entry.get('designators')))
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total_qty += group_entry['qty']
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last_entry = group_entry
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bom.append({**last_entry, 'qty': round(total_qty, 3), 'designators': sorted(set(designators))})
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# add an incrementing id to each bom item
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return [{**entry, 'id': index} for index, entry in enumerate(bom, 1)]
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def get_bom_index(bom: List[dict], extra: AdditionalComponent) -> int:
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# Remove linebreaks and clean whitespace of values in search
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target = tuple(clean_whitespace(v) for v in bom_types_group({**asdict(extra), 'item': extra.description}))
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for entry in bom:
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if bom_types_group(entry) == target:
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return entry['id']
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return None
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def bom_list(bom):
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keys = ['id', 'item', 'qty', 'unit', 'designators'] # these BOM columns will always be included
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for fieldname in ['pn', 'manufacturer', 'mpn']: # these optional BOM columns will only be included if at least one BOM item actually uses them
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if any(entry.get(fieldname) for entry in bom):
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keys.append(fieldname)
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# list of staic bom header names, headers not specified here are generated by capitilising the internal name
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bom_headings = {
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"pn": "P/N",
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"mpn": "MPN"
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}
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return ([[bom_headings.get(k, k.capitalize()) for k in keys]] + # Create header row with key names
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[[make_str(entry.get(k)) for k in keys] for entry in bom]) # Create string list for each entry row
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def component_table_entry(type, qty, unit=None, pn=None, manufacturer=None, mpn=None):
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output = f'{qty}'
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if unit:
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output += f' {unit}'
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output += f' x {type}'
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# print an extra line with part and manufacturer information if provided
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manufacturer_str = manufacturer_info_field(manufacturer, mpn)
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if pn or manufacturer_str:
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output += '<br/>'
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if pn:
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output += f'P/N: {pn}'
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if manufacturer_str:
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output += ', '
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if manufacturer_str:
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output += manufacturer_str
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output = html_line_breaks(output)
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# format the above output as left aligned text in a single visible cell
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# indent is set to two to match the indent in the generated html table
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return f'''<table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
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<td align="left" balign="left">{output}</td>
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</tr></table>'''
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def manufacturer_info_field(manufacturer, mpn):
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if manufacturer or mpn:
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return f'{manufacturer if manufacturer else "MPN"}{": " + str(mpn) if mpn else ""}'
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else:
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return None
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# Return the value indexed if it is a list, or simply the value otherwise.
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def index_if_list(value, index):
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return value[index] if isinstance(value, list) else value
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def make_list(value: Any) -> list:
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"""Return value if a list, empty list if None, or single element list otherwise."""
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return value if isinstance(value, list) else [] if value is None else [value]
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def make_str(value: Any) -> str:
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"""Return comma separated elements if a list, empty string if None, or value as a string otherwise."""
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return ', '.join(str(element) for element in make_list(value))
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