WireViz/src/wireviz/wv_dataclasses.py

798 lines
28 KiB
Python

# -*- coding: utf-8 -*-
from collections import namedtuple
from dataclasses import dataclass, field
from enum import Enum
from itertools import zip_longest
from typing import Dict, List, Optional, Tuple, Union
from wireviz.wv_bom import (
BomHash,
BomHashList,
PartNumberInfo,
QtyMultiplierCable,
QtyMultiplierConnector,
)
from wireviz.wv_colors import (
COLOR_CODES,
ColorOutputMode,
MultiColor,
SingleColor,
get_color_by_colorcode_index,
)
from wireviz.wv_utils import aspect_ratio, awg_equiv, mm2_equiv, remove_links
# Each type alias have their legal values described in comments
# - validation might be implemented in the future
PlainText = str # Text not containing HTML tags nor newlines
Hypertext = str # Text possibly including HTML hyperlinks that are removed in all outputs except HTML output
MultilineHypertext = (
str # Hypertext possibly also including newlines to break lines in diagram output
)
Designator = PlainText # Case insensitive unique name of connector or cable
# Literal type aliases below are commented to avoid requiring python 3.8
ImageScale = PlainText # = Literal['false', 'true', 'width', 'height', 'both']
# Type combinations
Pin = Union[int, PlainText] # Pin identifier
PinIndex = int # Zero-based pin index
Wire = Union[int, PlainText] # Wire number or Literal['s'] for shield
NoneOrMorePins = Union[
Pin, Tuple[Pin, ...], None
] # None, one, or a tuple of pin identifiers
NoneOrMorePinIndices = Union[
PinIndex, Tuple[PinIndex, ...], None
] # None, one, or a tuple of zero-based pin indices
OneOrMoreWires = Union[Wire, Tuple[Wire, ...]] # One or a tuple of wires
# Metadata can contain whatever is needed by the HTML generation/template.
MetadataKeys = PlainText # Literal['title', 'description', 'notes', ...]
Side = Enum("Side", "LEFT RIGHT")
ArrowDirection = Enum("ArrowDirection", "NONE BACK FORWARD BOTH")
ArrowWeight = Enum("ArrowWeight", "SINGLE DOUBLE")
NumberAndUnit = namedtuple("NumberAndUnit", "number unit")
AUTOGENERATED_PREFIX = "AUTOGENERATED_"
@dataclass
class Arrow:
direction: ArrowDirection
weight: ArrowWeight
class Metadata(dict):
pass
@dataclass
class Options:
fontname: PlainText = "arial"
bgcolor: SingleColor = "WH" # will be converted to SingleColor in __post_init__
bgcolor_node: SingleColor = "WH"
bgcolor_connector: SingleColor = None
bgcolor_cable: SingleColor = None
bgcolor_bundle: SingleColor = None
color_mode: ColorOutputMode = ColorOutputMode.EN_UPPER
mini_bom_mode: bool = True
template_separator: str = "."
_pad: int = 0
# TODO: resolve template and image paths during rendering, not during YAML parsing
_template_paths: [List] = field(default_factory=list)
_image_paths: [List] = field(default_factory=list)
def __post_init__(self):
self.bgcolor = SingleColor(self.bgcolor)
self.bgcolor_node = SingleColor(self.bgcolor_node)
self.bgcolor_connector = SingleColor(self.bgcolor_connector)
self.bgcolor_cable = SingleColor(self.bgcolor_cable)
self.bgcolor_bundle = SingleColor(self.bgcolor_bundle)
if not self.bgcolor_node:
self.bgcolor_node = self.bgcolor
if not self.bgcolor_connector:
self.bgcolor_connector = self.bgcolor_node
if not self.bgcolor_cable:
self.bgcolor_cable = self.bgcolor_node
if not self.bgcolor_bundle:
self.bgcolor_bundle = self.bgcolor_cable
@dataclass
class Tweak:
override: Optional[Dict[Designator, Dict[str, Optional[str]]]] = None
append: Union[str, List[str], None] = None
@dataclass
class Image:
# Attributes of the image object <img>:
src: str
scale: Optional[ImageScale] = None
# Attributes of the image cell <td> containing the image:
width: Optional[int] = None
height: Optional[int] = None
fixedsize: Optional[bool] = None
bgcolor: SingleColor = None
# Contents of the text cell <td> just below the image cell:
caption: Optional[MultilineHypertext] = None
# See also HTML doc at https://graphviz.org/doc/info/shapes.html#html
def __post_init__(self):
self.bgcolor = SingleColor(self.bgcolor)
if self.fixedsize is None:
# Default True if any dimension specified unless self.scale also is specified.
self.fixedsize = (self.width or self.height) and self.scale is None
if self.scale is None:
if not self.width and not self.height:
self.scale = "false"
elif self.width and self.height:
self.scale = "both"
else:
self.scale = "true" # When only one dimension is specified.
if self.fixedsize:
# If only one dimension is specified, compute the other
# because Graphviz requires both when fixedsize=True.
if self.height:
if not self.width:
self.width = self.height * aspect_ratio(self.src)
else:
if self.width:
self.height = self.width / aspect_ratio(self.src)
@dataclass
class PinClass:
index: int
id: str
label: str
color: MultiColor
parent: str # designator of parent connector
_num_connections = 0 # incremented in Connector.connect()
_anonymous: bool = False # true for pins on autogenerated connectors
_simple: bool = False # true for simple connector
def __str__(self):
snippets = [ # use str() for each in case they are int or other non-str
str(self.parent) if not self._anonymous else "",
str(self.id) if not self._anonymous and not self._simple else "",
str(self.label) if self.label else "",
]
return ":".join([snip for snip in snippets if snip != ""])
@dataclass
class Component:
category: Optional[str] = None # currently only used by cables, to define bundles
type: Union[MultilineHypertext, List[MultilineHypertext]] = None
subtype: Union[MultilineHypertext, List[MultilineHypertext]] = None
# part number
partnumbers: PartNumberInfo = None # filled by fill_partnumbers()
# the following are provided for user convenience and should not be accessed later.
# their contents are loaded into partnumbers during the child class __post_init__()
pn: str = None
manufacturer: str = None
mpn: str = None
supplier: str = None
spn: str = None
# BOM info
qty: NumberAndUnit = NumberAndUnit(1, None)
amount: Optional[NumberAndUnit] = None
sum_amounts_in_bom: bool = True
ignore_in_bom: bool = False
bom_id: Optional[str] = None # to be filled after harness is built
def fill_partnumbers(self):
partnos = [self.pn, self.manufacturer, self.mpn, self.supplier, self.spn]
partnos = [remove_links(entry) for entry in partnos]
partnos = tuple(partnos)
self.partnumbers = PartNumberInfo(*partnos)
def parse_number_and_unit(
self,
inp: Optional[Union[NumberAndUnit, float, int, str]],
default_unit: Optional[str] = None,
) -> Optional[NumberAndUnit]:
if inp is None:
return None
elif isinstance(inp, NumberAndUnit):
return inp
elif isinstance(inp, float) or isinstance(inp, int):
return NumberAndUnit(float(inp), default_unit)
elif isinstance(inp, str):
if " " in inp:
number, unit = inp.split(" ", 1)
else:
number, unit = inp, default_unit
try:
number = float(number)
except ValueError:
raise Exception(
f"{inp} is not a valid number and unit.\n"
"It must be a number, or a number and unit separated by a space."
)
else:
return NumberAndUnit(number, unit)
@property
def bom_hash(self) -> BomHash:
if self.sum_amounts_in_bom:
_hash = BomHash(
description=self.description,
qty_unit=self.amount.unit if self.amount else None,
amount=None,
partnumbers=self.partnumbers,
)
else:
_hash = BomHash(
description=self.description,
qty_unit=self.qty.unit,
amount=self.amount,
partnumbers=self.partnumbers,
)
return _hash
@property
def bom_qty(self) -> float:
if self.sum_amounts_in_bom:
if self.amount:
return self.qty.number * self.amount.number
else:
return self.qty.number
else:
return self.qty.number
def bom_amount(self) -> NumberAndUnit:
if self.sum_amounts_in_bom:
return NumberAndUnit(None, None)
else:
return self.amount
@dataclass
class AdditionalComponent(Component):
qty_multiplier: Union[QtyMultiplierConnector, QtyMultiplierCable, int] = 1
qty_multipliers_computed: Dict = field(default_factory=list)
designators: Optional[str] = None # used for components definedi in the
# additional_bom_items section within another component
bgcolor: SingleColor = None # ^ same here
def __post_init__(self):
super().fill_partnumbers()
self.bgcolor = SingleColor(self.bgcolor)
self.qty = self.parse_number_and_unit(self.qty, None)
self.amount = self.parse_number_and_unit(self.amount, None)
if isinstance(self.qty_multiplier, float) or isinstance(self.qty_multiplier, int):
pass
else:
self.qty_multiplier = self.qty_multiplier.upper()
if self.qty_multiplier in QtyMultiplierConnector.__members__.keys():
self.qty_multiplier = QtyMultiplierConnector[self.qty_multiplier]
elif self.qty_multiplier in QtyMultiplierCable.__members__.keys():
self.qty_multiplier = QtyMultiplierCable[self.qty_multiplier]
else:
raise Exception(f"Unknown qty multiplier: {self.qty_multiplier}")
@property
def bom_qty(self):
return 999
@property
def description(self) -> str:
substrs = [self.type, self.subtype if self.subtype else ""]
return ", ".join(substrs)
@dataclass
class GraphicalComponent(Component): # abstract class, for future use
bgcolor: Optional[SingleColor] = None
@dataclass
class TopLevelGraphicalComponent(GraphicalComponent): # abstract class
# component properties
designator: Designator = None
color: Optional[SingleColor] = None
image: Optional[Image] = None
additional_components: List[AdditionalComponent] = field(default_factory=list)
notes: Optional[MultilineHypertext] = None
# BOM options
add_up_in_bom: Optional[bool] = None
# rendering options
bgcolor_title: Optional[SingleColor] = None
show_name: Optional[bool] = None
@dataclass
class Connector(TopLevelGraphicalComponent):
# connector-specific properties
style: Optional[str] = None
category: Optional[str] = None
loops: List[List[Pin]] = field(default_factory=list)
# pin information in particular
pincount: Optional[int] = None
pins: List[Pin] = field(default_factory=list) # legacy
pinlabels: List[Pin] = field(default_factory=list) # legacy
pincolors: List[str] = field(default_factory=list) # legacy
pin_objects: List[PinClass] = field(
default_factory=list
) # new, to replace the lists above
# rendering option
show_pincount: Optional[bool] = None
hide_disconnected_pins: bool = False
@property
def is_autogenerated(self):
return self.designator.startswith(AUTOGENERATED_PREFIX)
@property
def description(self) -> str:
substrs = [
"Connector",
self.type,
self.subtype,
f"{self.pincount} pins" if self.show_pincount else None,
str(self.color) if self.color else None,
]
return ", ".join([str(s) for s in substrs if s is not None and s != ""])
def should_show_pin(self, pin_name):
return not self.hide_disconnected_pins or self.visible_pins.get(pin_name, False)
@property
def unit(self): # for compatibility with BOM hashing
return None # connectors do not support units.
def __post_init__(self) -> None:
super().fill_partnumbers()
self.bgcolor = SingleColor(self.bgcolor)
self.bgcolor_title = SingleColor(self.bgcolor_title)
self.color = SingleColor(self.color)
# connectors do not support custom qty or amount
self.qty = NumberAndUnit(1, None)
self.amount = None
if isinstance(self.image, dict):
self.image = Image(**self.image)
self.ports_left = False
self.ports_right = False
self.visible_pins = {}
if self.style == "simple":
if self.pincount and self.pincount > 1:
raise Exception(
"Connectors with style set to simple may only have one pin"
)
self.pincount = 1
if not self.pincount:
self.pincount = max(
len(self.pins), len(self.pinlabels), len(self.pincolors)
)
if not self.pincount:
raise Exception(
"You need to specify at least one: "
"pincount, pins, pinlabels, or pincolors"
)
# create default list for pins (sequential) if not specified
if not self.pins:
self.pins = list(range(1, self.pincount + 1))
if len(self.pins) != len(set(self.pins)):
raise Exception("Pins are not unique")
# all checks have passed
pin_tuples = zip_longest(
self.pins,
self.pinlabels,
self.pincolors,
)
for pin_index, (pin_id, pin_label, pin_color) in enumerate(pin_tuples):
self.pin_objects.append(
PinClass(
index=pin_index,
id=pin_id,
label=pin_label,
color=MultiColor(pin_color),
parent=self.designator,
_anonymous=self.is_autogenerated,
_simple=self.style == "simple",
)
)
if self.show_name is None:
self.show_name = self.style != "simple" and not self.is_autogenerated
if self.show_pincount is None:
# hide pincount for simple (1 pin) connectors by default
self.show_pincount = self.style != "simple"
for loop in self.loops:
# TODO: allow using pin labels in addition to pin numbers,
# just like when defining regular connections
# TODO: include properties of wire used to create the loop
if len(loop) != 2:
raise Exception("Loops must be between exactly two pins!")
for pin in loop:
if pin not in self.pins:
raise Exception(f'Unknown loop pin "{pin}" for connector "{self.name}"!')
# Make sure loop connected pins are not hidden.
self.activate_pin(pin)
for i, item in enumerate(self.additional_components):
if isinstance(item, dict):
self.additional_components[i] = AdditionalComponent(**item)
def _check_if_unique_id(self, id):
results = [pin for pin in self.pin_objects if pin.id == id]
if len(results) == 0:
raise Exception(f"Pin ID {id} not found in {self.designator}")
if len(results) > 1:
raise Exception(f"Pin ID {id} found more than once in {self.designator}")
return True
def get_pin_by_id(self, id):
if self._check_if_unique_id(id):
pin = [pin for pin in self.pin_objects if pin.id == id]
return pin[0]
def activate_pin(self, pin: Pin, side: Side) -> None:
self.visible_pins[pin] = True
if side == Side.LEFT:
self.ports_left = True
elif side == Side.RIGHT:
self.ports_right = True
def compute_qty_multipliers(self):
for subitem in self.additional_components:
populated_pins = []
subitem.qty_multipliers_computed["ONE"] = 1
subitem.qty_multipliers_computed["PINCOUNT"] = self.pincount
subitem.qty_multipliers_computed["POPULATED"] = 999
subitem.qty_multipliers_computed["CONNECTIONS"] = 999
# QtyMultiplierConnector = Enum(
# "QtyMultiplierConnector", "ONE PINCOUNT POPULATED CONNECTIONS"
# )
# QtyMultiplierCable = Enum(
# "QtyMultiplierCable", "ONE WIRECOUNT TERMINATION LENGTH TOTAL_LENGTH"
# )
# def get_qty_multiplier(self, qty_multiplier: Optional[ConnectorMultiplier]) -> int:
# # TODO!!! how and when to compute final qty for additional components???
# if not qty_multiplier:
# return 1
# elif qty_multiplier == "pincount":
# return self.pincount
# elif qty_multiplier == "populated":
# return sum(self.visible_pins.values())
# else:
# raise ValueError(
# f"invalid qty multiplier parameter for connector {qty_multiplier}"
# )
@dataclass
class WireClass:
parent: str # designator of parent cable/bundle
# wire-specific properties
index: int
id: str
label: str
color: MultiColor
# inheritable from parent cable
type: Union[MultilineHypertext, List[MultilineHypertext]] = None
subtype: Union[MultilineHypertext, List[MultilineHypertext]] = None
gauge: Optional[NumberAndUnit] = None
length: Optional[NumberAndUnit] = None
sum_amounts_in_bom: bool = True
partnumbers: PartNumberInfo = None
@property
def bom_hash(self) -> BomHash:
if self.sum_amounts_in_bom:
_hash = BomHash(
description=self.description,
qty_unit=self.length.unit if self.length else None,
amount=None,
partnumbers=self.partnumbers,
)
else:
_hash = BomHash(
description=self.description,
qty_unit=1,
amount=self.length,
partnumbers=self.partnumbers,
)
return _hash
@property
def gauge_str(self):
if not self.gauge:
return None
actual_gauge = f"{self.gauge.number} {self.gauge.unit}"
actual_gauge = actual_gauge.replace("mm2", "mm\u00B2")
return actual_gauge
@property
def description(self) -> str:
substrs = [
"Wire",
self.type,
self.subtype,
self.gauge_str,
str(self.color) if self.color else None,
]
desc = ", ".join([s for s in substrs if s is not None and s != ""])
return desc
@dataclass
class ShieldClass(WireClass):
pass # TODO, for wires with multiple shields more shield details, ...
@dataclass
class Connection:
from_: PinClass = None
via: Union[WireClass, ShieldClass] = None
to: PinClass = None
@dataclass
class Cable(TopLevelGraphicalComponent):
# cable-specific properties
gauge: Optional[NumberAndUnit] = None
length: Optional[NumberAndUnit] = None
color_code: Optional[str] = None
# wire information in particular
wirecount: Optional[int] = None
shield: Union[bool, MultiColor] = False
colors: List[str] = field(default_factory=list) # legacy
wirelabels: List[Wire] = field(default_factory=list) # legacy
wire_objects: List[WireClass] = field(
default_factory=list
) # to replace the lists above
# internal
_connections: List[Connection] = field(default_factory=list)
# rendering options
show_name: Optional[bool] = None
show_equiv: bool = False
show_wirecount: bool = True
show_wirenumbers: Optional[bool] = None
@property
def is_autogenerated(self):
return self.designator.startswith(AUTOGENERATED_PREFIX)
@property
def unit(self): # for compatibility with parent class
return self.length
@property
def gauge_str(self):
if not self.gauge:
return None
actual_gauge = f"{self.gauge.number} {self.gauge.unit}"
actual_gauge = actual_gauge.replace("mm2", "mm\u00B2")
return actual_gauge
@property
def gauge_str_with_equiv(self):
if not self.gauge:
return None
actual_gauge = self.gauge_str
equivalent_gauge = ""
if self.show_equiv:
# convert unit if known
if self.gauge.unit == "mm2":
equivalent_gauge = f" ({awg_equiv(self.gauge)} AWG)"
elif self.gauge.unit.upper() == "AWG":
equivalent_gauge = f" ({mm2_equiv(self.gauge)} mm2)"
out = f"{actual_gauge}{equivalent_gauge}"
out = out.replace("mm2", "mm\u00B2")
return out
@property
def length_str(self):
if not self.length:
return None
out = f"{self.length.number} {self.length.unit}"
return out
@property
def bom_hash(self):
if self.category == "bundle":
raise Exception("Do this at the wire level!") # TODO
else:
return super().bom_hash
@property
def description(self) -> str:
if self.category == "bundle":
raise Exception("Do this at the wire level!") # TODO
else:
substrs = [
("", "Cable"),
(", ", self.type),
(", ", self.subtype),
(", ", self.wirecount),
(" ", f"x {self.gauge_str}" if self.gauge else "wires"),
(" ", "shielded" if self.shield else None),
(", ", str(self.color) if self.color else None),
]
desc = "".join(
[f"{s[0]}{s[1]}" for s in substrs if s[1] is not None and s[1] != ""]
)
return desc
def __post_init__(self) -> None:
super().fill_partnumbers()
self.bgcolor = SingleColor(self.bgcolor)
self.bgcolor_title = SingleColor(self.bgcolor_title)
self.color = SingleColor(self.color)
if isinstance(self.image, dict):
self.image = Image(**self.image)
self.gauge = self.parse_number_and_unit(self.gauge, "mm2")
self.length = self.parse_number_and_unit(self.length, "m")
self.amount = self.length # for BOM
if self.wirecount: # number of wires explicitly defined
if self.colors: # use custom color palette (partly or looped if needed)
self.colors = [
self.colors[i % len(self.colors)] for i in range(self.wirecount)
]
elif self.color_code:
# use standard color palette (partly or looped if needed)
if self.color_code not in COLOR_CODES:
raise Exception("Unknown color code")
self.colors = [
get_color_by_colorcode_index(self.color_code, i)
for i in range(self.wirecount)
]
else: # no colors defined, add dummy colors
self.colors = [""] * self.wirecount
else: # wirecount implicit in length of color list
if not self.colors:
raise Exception(
"Unknown number of wires. "
"Must specify wirecount or colors (implicit length)"
)
self.wirecount = len(self.colors)
if self.wirelabels:
if self.shield and "s" in self.wirelabels:
raise Exception(
'"s" may not be used as a wire label for a shielded cable.'
)
# if lists of part numbers are provided,
# check this is a bundle and that it matches the wirecount.
for idfield in [self.manufacturer, self.mpn, self.supplier, self.spn, self.pn]:
if isinstance(idfield, list):
if self.category == "bundle":
# check the length
if len(idfield) != self.wirecount:
raise Exception("lists of part data must match wirecount")
else:
raise Exception("lists of part data are only supported for bundles")
# all checks have passed
wire_tuples = zip_longest(
# TODO: self.wire_ids
self.colors,
self.wirelabels,
)
for wire_index, (wire_color, wire_label) in enumerate(wire_tuples):
self.wire_objects.append(
WireClass(
parent=self.designator,
# wire-specific properties
index=wire_index, # TODO: wire_id
id=wire_index + 1, # TODO: wire_id
label=wire_label,
color=MultiColor(wire_color),
# inheritable from parent cable
type=self.type,
subtype=self.subtype,
gauge=self.gauge,
length=self.length,
sum_amounts_in_bom=self.sum_amounts_in_bom,
# TODO partnumbers
)
)
if self.shield:
index_offset = len(self.wire_objects)
# TODO: add support for multiple shields
self.wire_objects.append(
ShieldClass(
index=index_offset,
id="s",
label="Shield",
color=MultiColor(self.shield)
if isinstance(self.shield, str)
else MultiColor(None),
parent=self.designator,
)
)
if self.show_name is None:
self.show_name = not self.is_autogenerated
if self.show_wirenumbers is None:
# by default, show wire numbers for cables, hide for bundles
self.show_wirenumbers = self.category != "bundle"
for i, item in enumerate(self.additional_components):
if isinstance(item, dict):
self.additional_components[i] = AdditionalComponent(**item)
def get_wire_by_id(self, id):
wire = [wire for wire in self.wire_objects if wire.id == id]
if len(wire) == 0:
raise Exception(f"Wire ID {id} not found in {self.designator}")
if len(wire) > 1:
raise Exception(f"Wire ID {id} found more than once in {self.designator}")
return wire[0]
def _connect(
self,
from_pin_obj: [PinClass],
via_wire_id: str,
to_pin_obj: [PinClass],
) -> None:
via_wire_obj = self.get_wire_by_id(via_wire_id)
self._connections.append(Connection(from_pin_obj, via_wire_obj, to_pin_obj))
# def get_qty_multiplier(self, qty_multiplier: Optional[CableMultiplier]) -> float:
# if not qty_multiplier:
# return 1
# elif qty_multiplier == "wirecount":
# return self.wirecount
# elif qty_multiplier == "terminations":
# return len(self.connections)
# elif qty_multiplier == "length":
# return self.length
# elif qty_multiplier == "total_length":
# return self.length * self.wirecount
# else:
# raise ValueError(
# f"invalid qty multiplier parameter for cable {qty_multiplier}"
# )
@dataclass
class MatePin:
from_: PinClass
to: PinClass
arrow: Arrow
@dataclass
class MateComponent:
from_: str # Designator
to: str # Designator
arrow: Arrow