437 lines
23 KiB
Python
437 lines
23 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from graphviz import Graph
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from collections import Counter
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from typing import Any, List, Union
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from dataclasses import dataclass
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from pathlib import Path
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from itertools import zip_longest
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import re
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from wireviz import wv_colors, __version__, APP_NAME, APP_URL
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from wireviz.DataClasses import Metadata, Options, Tweak, Connector, Cable
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from wireviz.wv_colors import get_color_hex, translate_color
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from wireviz.wv_gv_html import nested_html_table, html_colorbar, html_image, \
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html_caption, remove_links, html_line_breaks
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from wireviz.wv_bom import manufacturer_info_field, component_table_entry, \
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get_additional_component_table, bom_list, generate_bom
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from wireviz.wv_html import generate_html_output
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from wireviz.wv_helper import awg_equiv, mm2_equiv, tuplelist2tsv, flatten2d, \
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open_file_read, open_file_write
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@dataclass
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class Harness:
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metadata: Metadata
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options: Options
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tweak: Tweak
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def __post_init__(self):
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self.connectors = {}
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self.cables = {}
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self._bom = [] # Internal Cache for generated bom
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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_wire: (int, str), to_name: str, to_pin: (int, str)) -> None:
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# check from and to connectors
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for (name, pin) in zip([from_name, to_name], [from_pin, to_pin]):
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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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# check if provided name is ambiguous
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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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raise Exception(f'{name}:{pin} is defined both in pinlabels and pins, for different pins.')
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# TODO: Maybe issue a warning if present in both lists but referencing the same pin?
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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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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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# check via cable
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if via_name in self.cables:
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cable = self.cables[via_name]
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# check if provided name is ambiguous
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if via_wire in cable.colors and via_wire in cable.wirelabels:
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if cable.colors.index(via_wire) != cable.wirelabels.index(via_wire):
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raise Exception(f'{via_name}:{via_wire} is defined both in colors and wirelabels, for different wires.')
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# TODO: Maybe issue a warning if present in both lists but referencing the same wire?
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if via_wire in cable.colors:
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if cable.colors.count(via_wire) > 1:
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raise Exception(f'{via_name}:{via_wire} is used for more than one wire.')
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via_wire = cable.colors.index(via_wire) + 1 # list index starts at 0, wire IDs start at 1
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elif via_wire in cable.wirelabels:
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if cable.wirelabels.count(via_wire) > 1:
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raise Exception(f'{via_name}:{via_wire} is used for more than one wire.')
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via_wire = cable.wirelabels.index(via_wire) + 1 # list index starts at 0, wire IDs start at 1
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from_pin_id = self.connectors[from_name].pins.index(from_pin) if from_pin is not None else None
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to_pin_id = self.connectors[to_name].pins.index(to_pin) if to_pin is not None else None
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self.cables[via_name].connect(from_name, from_pin_id, via_wire, to_name, to_pin_id)
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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(f'// Graph generated by {APP_NAME} {__version__}')
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dot.body.append(f'// {APP_URL}')
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dot.attr('graph', rankdir='LR',
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ranksep='2',
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bgcolor=wv_colors.translate_color(self.options.bgcolor, "HEX"),
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nodesep='0.33',
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fontname=self.options.fontname)
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dot.attr('node',
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shape='none',
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width='0', height='0', margin='0', # Actual size of the node is entirely determined by the label.
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style='filled',
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fillcolor=wv_colors.translate_color(self.options.bgcolor_node, "HEX"),
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fontname=self.options.fontname)
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dot.attr('edge', style='bold',
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fontname=self.options.fontname)
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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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# If no wires connected (except maybe loop wires)?
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if not (connector.ports_left or connector.ports_right):
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connector.ports_left = True # Use left side pins.
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html = []
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rows = [[remove_links(connector.name) if connector.show_name else None],
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[f'P/N: {remove_links(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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translate_color(connector.color, self.options.color_mode) if connector.color else None,
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html_colorbar(connector.color)],
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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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rows.extend(get_additional_component_table(self, connector))
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rows.append([html_line_breaks(connector.notes)])
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html.extend(nested_html_table(rows))
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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 pinindex, (pinname, pinlabel, pincolor) in enumerate(zip_longest(connector.pins, connector.pinlabels, connector.pincolors)):
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if connector.hide_disconnected_pins and not connector.visible_pins.get(pinname, 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{pinindex+1}l">{pinname}</td>')
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if pinlabel:
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pinhtml.append(f' <td>{pinlabel}</td>')
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if connector.pincolors:
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if pincolor in wv_colors._color_hex.keys():
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pinhtml.append(f' <td sides="tbl">{translate_color(pincolor, self.options.color_mode)}</td>')
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pinhtml.append( ' <td sides="tbr">')
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pinhtml.append( ' <table border="0" cellborder="1"><tr>')
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pinhtml.append(f' <td bgcolor="{wv_colors.translate_color(pincolor, "HEX")}" width="8" height="8" fixedsize="true"></td>')
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pinhtml.append( ' </tr></table>')
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pinhtml.append( ' </td>')
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else:
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pinhtml.append( ' <td colspan="2"></td>')
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if connector.ports_right:
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pinhtml.append(f' <td port="p{pinindex+1}r">{pinname}</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='box', style='filled',
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fillcolor=translate_color(self.options.bgcolor_connector, "HEX"))
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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 = [[remove_links(cable.name) if cable.show_name else None],
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[f'P/N: {remove_links(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} {cable.length_unit}' if cable.length > 0 else None,
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translate_color(cable.color, self.options.color_mode) if cable.color else None,
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html_colorbar(cable.color)],
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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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rows.extend(get_additional_component_table(self, cable))
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rows.append([html_line_breaks(cable.notes)])
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html.extend(nested_html_table(rows))
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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, wirelabel) in enumerate(zip_longest(cable.colors, cable.wirelabels), 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>')
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wireinfo = []
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if cable.show_wirenumbers:
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wireinfo.append(str(i))
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colorstr = wv_colors.translate_color(connection_color, self.options.color_mode)
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if colorstr:
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wireinfo.append(colorstr)
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if cable.wirelabels:
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wireinfo.append(wirelabel if wirelabel is not None else '')
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wirehtml.append(f' {":".join(wireinfo)}')
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wirehtml.append(f' </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: {remove_links(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 in cable.connections:
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if isinstance(connection.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.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.from_port is not None: # connect to left
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from_connector = self.connectors[connection.from_name]
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from_port = f':p{connection.from_port+1}r' if from_connector.style != 'simple' else ''
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code_left_1 = f'{connection.from_name}{from_port}:e'
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code_left_2 = f'{cable.name}:w{connection.via_port}:w'
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dot.edge(code_left_1, code_left_2)
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if from_connector.show_name:
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from_info = [str(connection.from_name), str(self.connectors[connection.from_name].pins[connection.from_port])]
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if from_connector.pinlabels:
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pinlabel = from_connector.pinlabels[connection.from_port]
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if pinlabel != '':
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from_info.append(pinlabel)
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from_string = ':'.join(from_info)
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else:
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from_string = ''
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html = [row.replace(f'<!-- {connection.via_port}_in -->', from_string) for row in html]
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if connection.to_port is not None: # connect to right
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to_connector = self.connectors[connection.to_name]
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code_right_1 = f'{cable.name}:w{connection.via_port}:e'
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to_port = f':p{connection.to_port+1}l' if self.connectors[connection.to_name].style != 'simple' else ''
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code_right_2 = f'{connection.to_name}{to_port}:w'
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dot.edge(code_right_1, code_right_2)
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if to_connector.show_name:
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to_info = [str(connection.to_name), str(self.connectors[connection.to_name].pins[connection.to_port])]
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if to_connector.pinlabels:
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pinlabel = to_connector.pinlabels[connection.to_port]
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if pinlabel != '':
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to_info.append(pinlabel)
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to_string = ':'.join(to_info)
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else:
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to_string = ''
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html = [row.replace(f'<!-- {connection.via_port}_out -->', to_string) for row in html]
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style, bgcolor = ('filled,dashed', self.options.bgcolor_bundle) if cable.category == 'bundle' else \
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('filled', self.options.bgcolor_cable)
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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=style, fillcolor=translate_color(bgcolor, "HEX"))
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def typecheck(name: str, value: Any, expect: type) -> None:
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if not isinstance(value, expect):
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raise Exception(f'Unexpected value type of {name}: Expected {expect}, got {type(value)}\n{value}')
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# TODO?: Differ between override attributes and HTML?
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if self.tweak.override is not None:
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typecheck('tweak.override', self.tweak.override, dict)
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for k, d in self.tweak.override.items():
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typecheck(f'tweak.override.{k} key', k, str)
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typecheck(f'tweak.override.{k} value', d, dict)
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for a, v in d.items():
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typecheck(f'tweak.override.{k}.{a} key', a, str)
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typecheck(f'tweak.override.{k}.{a} value', v, (str, type(None)))
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# Override generated attributes of selected entries matching tweak.override.
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for i, entry in enumerate(dot.body):
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if isinstance(entry, str):
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# Find a possibly quoted keyword after leading TAB(s) and followed by [ ].
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match = re.match(r'^\t*(")?((?(1)[^"]|[^ "])+)(?(1)") \[.*\]$', entry, re.S)
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keyword = match and match[2]
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if keyword in self.tweak.override.keys():
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for attr, value in self.tweak.override[keyword].items():
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if value is None:
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entry, n_subs = re.subn(f'( +)?{attr}=("[^"]*"|[^] ]*)(?(1)| *)', '', entry)
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if n_subs < 1:
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print(f'Harness.create_graph() warning: {attr} not found in {keyword}!')
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elif n_subs > 1:
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print(f'Harness.create_graph() warning: {attr} removed {n_subs} times in {keyword}!')
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continue
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if len(value) == 0 or ' ' in value:
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value = value.replace('"', r'\"')
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value = f'"{value}"'
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entry, n_subs = re.subn(f'{attr}=("[^"]*"|[^] ]*)', f'{attr}={value}', entry)
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if n_subs < 1:
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# If attr not found, then append it
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entry = re.sub(r'\]$', f' {attr}={value}]', entry)
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elif n_subs > 1:
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print(f'Harness.create_graph() warning: {attr} overridden {n_subs} times in {keyword}!')
|
|
|
|
dot.body[i] = entry
|
|
|
|
if self.tweak.append is not None:
|
|
if isinstance(self.tweak.append, list):
|
|
for i, element in enumerate(self.tweak.append, 1):
|
|
typecheck(f'tweak.append[{i}]', element, str)
|
|
dot.body.extend(self.tweak.append)
|
|
else:
|
|
typecheck('tweak.append', self.tweak.append, str)
|
|
dot.body.append(self.tweak.append)
|
|
|
|
return dot
|
|
|
|
@property
|
|
def png(self):
|
|
from io import BytesIO
|
|
graph = self.create_graph()
|
|
data = BytesIO()
|
|
data.write(graph.pipe(format='png'))
|
|
data.seek(0)
|
|
return data.read()
|
|
|
|
@property
|
|
def svg(self):
|
|
from io import BytesIO
|
|
graph = self.create_graph()
|
|
data = BytesIO()
|
|
data.write(graph.pipe(format='svg'))
|
|
data.seek(0)
|
|
return data.read()
|
|
|
|
def output(self, filename: (str, Path), view: bool = False, cleanup: bool = True, fmt: tuple = ('pdf', )) -> None:
|
|
# graphical output
|
|
graph = self.create_graph()
|
|
for f in fmt:
|
|
graph.format = f
|
|
graph.render(filename=filename, view=view, cleanup=cleanup)
|
|
graph.save(filename=f'{filename}.gv')
|
|
# bom output
|
|
bomlist = bom_list(self.bom())
|
|
with open_file_write(f'{filename}.bom.tsv') as file:
|
|
file.write(tuplelist2tsv(bomlist))
|
|
# HTML output
|
|
generate_html_output(filename, bomlist, self.metadata, self.options)
|
|
|
|
def bom(self):
|
|
if not self._bom:
|
|
self._bom = generate_bom(self)
|
|
return self._bom
|