4782da47c9
This image, with an optional caption below, is displayed in the lower section of the connector/cable node in the diagram - just above the notes if present. This solves the basic part of issue #27, and is a continuation of PR #137 that was closed due to changes in the base branch.
435 lines
24 KiB
Python
435 lines
24 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from wireviz.DataClasses import Connector, Cable
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from graphviz import Graph
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from wireviz import wv_colors, wv_helper
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from wireviz.wv_colors import get_color_hex
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from wireviz.wv_helper import awg_equiv, mm2_equiv, tuplelist2tsv, \
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nested_html_table, flatten2d, index_if_list, html_line_breaks, \
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graphviz_line_breaks, remove_line_breaks, open_file_read, open_file_write, \
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html_image, html_caption, manufacturer_info_field
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from collections import Counter
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from typing import List
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from pathlib import Path
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import re
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class Harness:
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def __init__(self):
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self.color_mode = 'SHORT'
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self.connectors = {}
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self.cables = {}
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self.additional_bom_items = []
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def add_connector(self, name: str, *args, **kwargs) -> None:
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self.connectors[name] = Connector(name, *args, **kwargs)
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def add_cable(self, name: str, *args, **kwargs) -> None:
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self.cables[name] = Cable(name, *args, **kwargs)
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def add_bom_item(self, item: dict) -> None:
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self.additional_bom_items.append(item)
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def connect(self, from_name: str, from_pin: (int, str), via_name: str, via_pin: (int, str), to_name: str, to_pin: (int, str)) -> None:
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for (name, pin) in zip([from_name, to_name], [from_pin, to_pin]): # check from and to connectors
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if name is not None and name in self.connectors:
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connector = self.connectors[name]
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if pin in connector.pins and pin in connector.pinlabels:
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if connector.pins.index(pin) == connector.pinlabels.index(pin):
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# TODO: Maybe issue a warning? It's not worthy of an exception if it's unambiguous, but maybe risky?
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pass
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else:
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raise Exception(f'{name}:{pin} is defined both in pinlabels and pins, for different pins.')
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if pin in connector.pinlabels:
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if connector.pinlabels.count(pin) > 1:
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raise Exception(f'{name}:{pin} is defined more than once.')
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else:
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index = connector.pinlabels.index(pin)
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pin = connector.pins[index] # map pin name to pin number
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if name == from_name:
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from_pin = pin
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if name == to_name:
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to_pin = pin
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if not pin in connector.pins:
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raise Exception(f'{name}:{pin} not found.')
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self.cables[via_name].connect(from_name, from_pin, via_pin, to_name, to_pin)
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if from_name in self.connectors:
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self.connectors[from_name].activate_pin(from_pin)
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if to_name in self.connectors:
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self.connectors[to_name].activate_pin(to_pin)
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def create_graph(self) -> Graph:
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dot = Graph()
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dot.body.append('// Graph generated by WireViz')
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dot.body.append('// https://github.com/formatc1702/WireViz')
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font = 'arial'
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dot.attr('graph', rankdir='LR',
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ranksep='2',
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bgcolor='white',
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nodesep='0.33',
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fontname=font)
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dot.attr('node', shape='record',
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style='filled',
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fillcolor='white',
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fontname=font)
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dot.attr('edge', style='bold',
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fontname=font)
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# prepare ports on connectors depending on which side they will connect
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for _, cable in self.cables.items():
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for connection_color in cable.connections:
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if connection_color.from_port is not None: # connect to left
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self.connectors[connection_color.from_name].ports_right = True
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if connection_color.to_port is not None: # connect to right
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self.connectors[connection_color.to_name].ports_left = True
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for connector in self.connectors.values():
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html = []
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rows = [[connector.name if connector.show_name else None],
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[f'P/N: {connector.pn}' if connector.pn else None,
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html_line_breaks(manufacturer_info_field(connector.manufacturer, connector.mpn))],
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[html_line_breaks(connector.type),
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html_line_breaks(connector.subtype),
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f'{connector.pincount}-pin' if connector.show_pincount else None,
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connector.color, '<!-- colorbar -->' if connector.color else None],
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'<!-- connector table -->' if connector.style != 'simple' else None,
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[html_image(connector.image)],
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[html_caption(connector.image)],
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[html_line_breaks(connector.notes)]]
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html.extend(nested_html_table(rows))
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if connector.color: # add color bar next to color info, if present
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colorbar = f' bgcolor="{wv_colors.translate_color(connector.color, "HEX")}" width="4"></td>' # leave out '<td' from string to preserve any existing attributes of the <td> tag
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html = [row.replace('><!-- colorbar --></td>', colorbar) for row in html]
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if connector.style != 'simple':
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pinhtml = []
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pinhtml.append('<table border="0" cellspacing="0" cellpadding="3" cellborder="1">')
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for pin, pinlabel in zip(connector.pins, connector.pinlabels):
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if connector.hide_disconnected_pins and not connector.visible_pins.get(pin, False):
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continue
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pinhtml.append(' <tr>')
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if connector.ports_left:
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pinhtml.append(f' <td port="p{pin}l">{pin}</td>')
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if pinlabel:
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pinhtml.append(f' <td>{pinlabel}</td>')
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if connector.ports_right:
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pinhtml.append(f' <td port="p{pin}r">{pin}</td>')
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pinhtml.append(' </tr>')
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pinhtml.append(' </table>')
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html = [row.replace('<!-- connector table -->', '\n'.join(pinhtml)) for row in html]
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html = '\n'.join(html)
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dot.node(connector.name, label=f'<\n{html}\n>', shape='none', margin='0', style='filled', fillcolor='white')
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if len(connector.loops) > 0:
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dot.attr('edge', color='#000000:#ffffff:#000000')
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if connector.ports_left:
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loop_side = 'l'
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loop_dir = 'w'
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elif connector.ports_right:
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loop_side = 'r'
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loop_dir = 'e'
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else:
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raise Exception('No side for loops')
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for loop in connector.loops:
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dot.edge(f'{connector.name}:p{loop[0]}{loop_side}:{loop_dir}',
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f'{connector.name}:p{loop[1]}{loop_side}:{loop_dir}')
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# determine if there are double- or triple-colored wires in the harness;
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# if so, pad single-color wires to make all wires of equal thickness
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pad = any(len(colorstr) > 2 for cable in self.cables.values() for colorstr in cable.colors)
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for cable in self.cables.values():
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html = []
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awg_fmt = ''
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if cable.show_equiv:
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# Only convert units we actually know about, i.e. currently
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# mm2 and awg --- other units _are_ technically allowed,
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# and passed through as-is.
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if cable.gauge_unit =='mm\u00B2':
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awg_fmt = f' ({awg_equiv(cable.gauge)} AWG)'
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elif cable.gauge_unit.upper() == 'AWG':
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awg_fmt = f' ({mm2_equiv(cable.gauge)} mm\u00B2)'
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rows = [[cable.name if cable.show_name else None],
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[f'P/N: {cable.pn}' if (cable.pn and not isinstance(cable.pn, list)) else None,
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html_line_breaks(manufacturer_info_field(
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cable.manufacturer if not isinstance(cable.manufacturer, list) else None,
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cable.mpn if not isinstance(cable.mpn, list) else None))],
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[html_line_breaks(cable.type),
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f'{cable.wirecount}x' if cable.show_wirecount else None,
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f'{cable.gauge} {cable.gauge_unit}{awg_fmt}' if cable.gauge else None,
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'+ S' if cable.shield else None,
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f'{cable.length} m' if cable.length > 0 else None,
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cable.color, '<!-- colorbar -->' if cable.color else None],
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'<!-- wire table -->',
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[html_image(cable.image)],
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[html_caption(cable.image)],
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[html_line_breaks(cable.notes)]]
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html.extend(nested_html_table(rows))
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if cable.color: # add color bar next to color info, if present
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colorbar = f' bgcolor="{wv_colors.translate_color(cable.color, "HEX")}" width="4"></td>' # leave out '<td' from string to preserve any existing attributes of the <td> tag
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html = [row.replace('><!-- colorbar --></td>', colorbar) for row in html]
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wirehtml = []
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wirehtml.append('<table border="0" cellspacing="0" cellborder="0">') # conductor table
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wirehtml.append(' <tr><td> </td></tr>')
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for i, connection_color in enumerate(cable.colors, 1):
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wirehtml.append(' <tr>')
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wirehtml.append(f' <td><!-- {i}_in --></td>')
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wirehtml.append(f' <td>{wv_colors.translate_color(connection_color, self.color_mode)}</td>')
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wirehtml.append(f' <td><!-- {i}_out --></td>')
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wirehtml.append(' </tr>')
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bgcolors = ['#000000'] + get_color_hex(connection_color, pad=pad) + ['#000000']
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wirehtml.append(f' <tr>')
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wirehtml.append(f' <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w{i}" height="{(2 * len(bgcolors))}">')
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wirehtml.append(' <table cellspacing="0" cellborder="0" border="0">')
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for j, bgcolor in enumerate(bgcolors[::-1]): # Reverse to match the curved wires when more than 2 colors
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wirehtml.append(f' <tr><td colspan="3" cellpadding="0" height="2" bgcolor="{bgcolor if bgcolor != "" else wv_colors.default_color}" border="0"></td></tr>')
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wirehtml.append(' </table>')
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wirehtml.append(' </td>')
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wirehtml.append(' </tr>')
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if(cable.category == 'bundle'): # for bundles individual wires can have part information
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# create a list of wire parameters
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wireidentification = []
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if isinstance(cable.pn, list):
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wireidentification.append(f'P/N: {cable.pn[i - 1]}')
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manufacturer_info = manufacturer_info_field(
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cable.manufacturer[i - 1] if isinstance(cable.manufacturer, list) else None,
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cable.mpn[i - 1] if isinstance(cable.mpn, list) else None)
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if manufacturer_info:
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wireidentification.append(html_line_breaks(manufacturer_info))
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# print parameters into a table row under the wire
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if(len(wireidentification) > 0):
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wirehtml.append(' <tr><td colspan="3">')
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wirehtml.append(' <table border="0" cellspacing="0" cellborder="0"><tr>')
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for attrib in wireidentification:
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wirehtml.append(f' <td>{attrib}</td>')
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wirehtml.append(' </tr></table>')
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wirehtml.append(' </td></tr>')
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if cable.shield:
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wirehtml.append(' <tr><td> </td></tr>') # spacer
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wirehtml.append(' <tr>')
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wirehtml.append(' <td><!-- s_in --></td>')
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wirehtml.append(' <td>Shield</td>')
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wirehtml.append(' <td><!-- s_out --></td>')
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wirehtml.append(' </tr>')
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if isinstance(cable.shield, str):
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# shield is shown with specified color and black borders
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shield_color_hex = wv_colors.get_color_hex(cable.shield)[0]
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attributes = f'height="6" bgcolor="{shield_color_hex}" border="2" sides="tb"'
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else:
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# shield is shown as a thin black wire
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attributes = f'height="2" bgcolor="#000000" border="0"'
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wirehtml.append(f' <tr><td colspan="3" cellpadding="0" {attributes} port="ws"></td></tr>')
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wirehtml.append(' <tr><td> </td></tr>')
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wirehtml.append(' </table>')
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html = [row.replace('<!-- wire table -->', '\n'.join(wirehtml)) for row in html]
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# connections
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for connection_color in cable.connections:
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if isinstance(connection_color.via_port, int): # check if it's an actual wire and not a shield
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dot.attr('edge', color=':'.join(['#000000'] + wv_colors.get_color_hex(cable.colors[connection_color.via_port - 1], pad=pad) + ['#000000']))
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else: # it's a shield connection
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# shield is shown with specified color and black borders, or as a thin black wire otherwise
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dot.attr('edge', color=':'.join(['#000000', shield_color_hex, '#000000']) if isinstance(cable.shield, str) else '#000000')
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if connection_color.from_port is not None: # connect to left
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from_port = f':p{connection_color.from_port}r' if self.connectors[connection_color.from_name].style != 'simple' else ''
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code_left_1 = f'{connection_color.from_name}{from_port}:e'
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code_left_2 = f'{cable.name}:w{connection_color.via_port}:w'
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dot.edge(code_left_1, code_left_2)
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from_string = f'{connection_color.from_name}:{connection_color.from_port}' if self.connectors[connection_color.from_name].show_name else ''
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html = [row.replace(f'<!-- {connection_color.via_port}_in -->', from_string) for row in html]
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if connection_color.to_port is not None: # connect to right
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code_right_1 = f'{cable.name}:w{connection_color.via_port}:e'
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to_port = f':p{connection_color.to_port}l' if self.connectors[connection_color.to_name].style != 'simple' else ''
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code_right_2 = f'{connection_color.to_name}{to_port}:w'
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dot.edge(code_right_1, code_right_2)
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to_string = f'{connection_color.to_name}:{connection_color.to_port}' if self.connectors[connection_color.to_name].show_name else ''
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html = [row.replace(f'<!-- {connection_color.via_port}_out -->', to_string) for row in html]
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html = '\n'.join(html)
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dot.node(cable.name, label=f'<\n{html}\n>', shape='box',
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style='filled,dashed' if cable.category == 'bundle' else '', margin='0', fillcolor='white')
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return dot
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@property
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def png(self):
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from io import BytesIO
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graph = self.create_graph()
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data = BytesIO()
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data.write(graph.pipe(format='png'))
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data.seek(0)
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return data.read()
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@property
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def svg(self):
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from io import BytesIO
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graph = self.create_graph()
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data = BytesIO()
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data.write(graph.pipe(format='svg'))
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data.seek(0)
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return data.read()
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def output(self, filename: (str, Path), view: bool = False, cleanup: bool = True, fmt: tuple = ('pdf', )) -> None:
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# graphical output
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graph = self.create_graph()
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for f in fmt:
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graph.format = f
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graph.render(filename=filename, view=view, cleanup=cleanup)
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graph.save(filename=f'{filename}.gv')
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# bom output
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bom_list = self.bom_list()
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with open_file_write(f'{filename}.bom.tsv') as file:
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file.write(tuplelist2tsv(bom_list))
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# HTML output
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with open_file_write(f'{filename}.html') as file:
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file.write('<!DOCTYPE html>\n')
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file.write('<html><head><meta charset="UTF-8"></head><body style="font-family:Arial">')
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file.write('<h1>Diagram</h1>')
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with open_file_read(f'{filename}.svg') as svg:
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file.write(re.sub(
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'^<[?]xml [^?>]*[?]>[^<]*<!DOCTYPE [^>]*>',
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'<!-- XML and DOCTYPE declarations from SVG file removed -->',
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svg.read(1024), 1))
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for svgdata in svg:
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file.write(svgdata)
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file.write('<h1>Bill of Materials</h1>')
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listy = flatten2d(bom_list)
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file.write('<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">')
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file.write('<tr>')
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for item in listy[0]:
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file.write(f'<th align="left" style="border:1px solid #000000; padding: 8px">{item}</th>')
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file.write('</tr>')
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for row in listy[1:]:
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file.write('<tr>')
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for i, item in enumerate(row):
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item_str = item.replace('\u00b2', '²')
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align = 'align="right"' if listy[0][i] == 'Qty' else ''
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file.write(f'<td {align} style="border:1px solid #000000; padding: 4px">{item_str}</td>')
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file.write('</tr>')
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file.write('</table>')
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file.write('</body></html>')
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def bom(self):
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bom = []
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bom_connectors = []
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bom_cables = []
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bom_extra = []
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# connectors
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connector_group = lambda c: (c.type, c.subtype, c.pincount, c.manufacturer, c.mpn, c.pn)
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for group in Counter([connector_group(v) for v in self.connectors.values()]):
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items = {k: v for k, v in self.connectors.items() if connector_group(v) == group}
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shared = next(iter(items.values()))
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designators = list(items.keys())
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designators.sort()
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conn_type = f', {remove_line_breaks(shared.type)}' if shared.type else ''
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conn_subtype = f', {remove_line_breaks(shared.subtype)}' if shared.subtype else ''
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conn_pincount = f', {shared.pincount} pins' if shared.style != 'simple' else ''
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conn_color = f', {shared.color}' if shared.color else ''
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name = f'Connector{conn_type}{conn_subtype}{conn_pincount}{conn_color}'
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item = {'item': name, 'qty': len(designators), 'unit': '', 'designators': designators if shared.show_name else '',
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'manufacturer': remove_line_breaks(shared.manufacturer), 'mpn': remove_line_breaks(shared.mpn), 'pn': shared.pn}
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bom_connectors.append(item)
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bom_connectors = sorted(bom_connectors, key=lambda k: k['item']) # https://stackoverflow.com/a/73050
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bom.extend(bom_connectors)
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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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# The category needs to be included in cable_group to keep the bundles excluded.
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cable_group = lambda c: (c.category, c.type, c.gauge, c.gauge_unit, c.wirecount, c.shield, c.manufacturer, c.mpn, c.pn)
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for group in Counter([cable_group(v) for v in self.cables.values() if v.category != 'bundle']):
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items = {k: v for k, v in self.cables.items() if cable_group(v) == group}
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shared = next(iter(items.values()))
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designators = list(items.keys())
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designators.sort()
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total_length = sum(i.length for i in items.values())
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cable_type = f', {remove_line_breaks(shared.type)}' if shared.type else ''
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gauge_name = f' x {shared.gauge} {shared.gauge_unit}' if shared.gauge else ' wires'
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shield_name = ' shielded' if shared.shield else ''
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name = f'Cable{cable_type}, {shared.wirecount}{gauge_name}{shield_name}'
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item = {'item': name, 'qty': round(total_length, 3), 'unit': 'm', 'designators': designators,
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'manufacturer': remove_line_breaks(shared.manufacturer), 'mpn': remove_line_breaks(shared.mpn), 'pn': shared.pn}
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bom_cables.append(item)
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# bundles (ignores wirecount)
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wirelist = []
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# list all cables again, since bundles are represented as wires internally, with the category='bundle' set
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for bundle in self.cables.values():
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if bundle.category == 'bundle':
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# add each wire from each bundle to the wirelist
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for index, color in enumerate(bundle.colors, 0):
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wirelist.append({'type': bundle.type, 'gauge': bundle.gauge, 'gauge_unit': bundle.gauge_unit, 'length': bundle.length, 'color': color, 'designator': bundle.name,
|
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'manufacturer': remove_line_breaks(index_if_list(bundle.manufacturer, index)),
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'mpn': remove_line_breaks(index_if_list(bundle.mpn, index)),
|
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'pn': index_if_list(bundle.pn, index)})
|
|
# join similar wires from all the bundles to a single BOM item
|
|
wire_group = lambda w: (w.get('type', None), w['gauge'], w['gauge_unit'], w['color'], w['manufacturer'], w['mpn'], w['pn'])
|
|
for group in Counter([wire_group(v) for v in wirelist]):
|
|
items = [v for v in wirelist if wire_group(v) == group]
|
|
shared = items[0]
|
|
designators = [i['designator'] for i in items]
|
|
designators = list(dict.fromkeys(designators)) # remove duplicates
|
|
designators.sort()
|
|
total_length = sum(i['length'] for i in items)
|
|
wire_type = f', {remove_line_breaks(shared["type"])}' if shared.get('type', None) else ''
|
|
gauge_name = f', {shared["gauge"]} {shared["gauge_unit"]}' if shared.get('gauge', None) else ''
|
|
gauge_color = f', {shared["color"]}' if 'color' in shared != '' else ''
|
|
name = f'Wire{wire_type}{gauge_name}{gauge_color}'
|
|
item = {'item': name, 'qty': round(total_length, 3), 'unit': 'm', 'designators': designators,
|
|
'manufacturer': shared['manufacturer'], 'mpn': shared['mpn'], 'pn': shared['pn']}
|
|
bom_cables.append(item)
|
|
bom_cables = sorted(bom_cables, key=lambda k: k['item']) # sort list of dicts by their values (https://stackoverflow.com/a/73050)
|
|
bom.extend(bom_cables)
|
|
|
|
for item in self.additional_bom_items:
|
|
name = item['description'] if item.get('description', None) else ''
|
|
if isinstance(item.get('designators', None), List):
|
|
item['designators'].sort() # sort designators if a list is provided
|
|
item = {'item': name, 'qty': item.get('qty', None), 'unit': item.get('unit', None), 'designators': item.get('designators', None),
|
|
'manufacturer': item.get('manufacturer', None), 'mpn': item.get('mpn', None), 'pn': item.get('pn', None)}
|
|
bom_extra.append(item)
|
|
bom_extra = sorted(bom_extra, key=lambda k: k['item'])
|
|
bom.extend(bom_extra)
|
|
return bom
|
|
|
|
def bom_list(self):
|
|
bom = self.bom()
|
|
keys = ['item', 'qty', 'unit', 'designators'] # these BOM columns will always be included
|
|
for fieldname in ['pn', 'manufacturer', 'mpn']: # these optional BOM columns will only be included if at least one BOM item actually uses them
|
|
if any(fieldname in x and x.get(fieldname, None) for x in bom):
|
|
keys.append(fieldname)
|
|
bom_list = []
|
|
# list of staic bom header names, headers not specified here are generated by capitilising the internal name
|
|
bom_headings = {
|
|
"pn": "P/N",
|
|
"mpn": "MPN"
|
|
}
|
|
bom_list.append([(bom_headings[k] if k in bom_headings else k.capitalize()) for k in keys]) # create header row with keys
|
|
for item in bom:
|
|
item_list = [item.get(key, '') for key in keys] # fill missing values with blanks
|
|
item_list = [', '.join(subitem) if isinstance(subitem, List) else subitem for subitem in item_list] # convert any lists into comma separated strings
|
|
item_list = ['' if subitem is None else subitem for subitem in item_list] # if a field is missing for some (but not all) BOM items
|
|
bom_list.append(item_list)
|
|
return bom_list
|