KiBot/kibot/kicad/v5_sch.py

1709 lines
63 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (c) 2020-2021 Salvador E. Tropea
# Copyright (c) 2020-2021 Instituto Nacional de Tecnología Industrial
# License: GPL-3.0
# Project: KiBot (formerly KiPlot)
"""
KiCad v5 (and older) Schematic format.
A basic implementation of the .sch file format.
Currently oriented to collect the components for the BoM.
"""
# Encapsulate file/line
import re
import os
from datetime import datetime
from copy import deepcopy
from collections import OrderedDict
from .config import KiConf, un_quote
from ..gs import GS
from ..misc import (W_BADPOLI, W_POLICOORDS, W_BADSQUARE, W_BADCIRCLE, W_BADARC, W_BADTEXT, W_BADPIN, W_BADCOMP, W_BADDRAW,
W_UNKDCM, W_UNKAR, W_ARNOPATH, W_ARNOREF, W_MISCFLD, W_EXTRASPC, W_NOLIB, W_INCPOS, W_NOANNO, W_MISSLIB,
W_MISSDCM, W_MISSCMP, W_MISFLDNAME, W_NOENDLIB)
from .. import log
logger = log.get_logger(__name__)
class SchError(Exception):
pass
class SchFileError(SchError):
def __init__(self, msg, code, reader):
super().__init__()
self.line = reader.line
self.file = reader.file
self.msg = msg
self.code = code
class SchLibError(SchFileError):
def __init__(self, msg, code, reader):
super().__init__(msg, code, reader)
class LineReader(object):
def __init__(self, f, file):
super().__init__()
self.line = 0
self.file = file
self.f = f
class SCHLineReader(LineReader):
def __init__(self, f, file):
super().__init__(f, file)
def get_line(self):
res = self.f.readline()
if not res:
raise SchFileError('Unexpected end of file', '', self)
self.line += 1
return res.rstrip()
class LibLineReader(LineReader):
def __init__(self, f, file):
super().__init__(f, file)
def get_line(self):
res = self.f.readline()
while res and res[0] == '#':
if res.startswith('#End Library') or res.startswith('# End Library'):
return res.rstrip()
self.line += 1
res = self.f.readline()
if not res:
raise SchLibError('Unexpected end of file', '', self)
self.line += 1
return res.rstrip()
class DCMLineReader(LineReader):
def __init__(self, f, file):
super().__init__(f, file)
def get_line(self):
res = self.f.readline()
while res and res[0] == '#':
if res.startswith('#End Doc Library'):
return res.rstrip()
self.line += 1
res = self.f.readline()
if not res:
raise SchLibError('Unexpected end of file', '', self)
self.line += 1
return res.rstrip()
def _split_space(s):
res = s.lstrip().split(' ')
return [a for a in res if a]
class LibComponentField(object):
""" A field for a component in the library.
Almost the same as a field in the schematic, but incompatible!!! """
# F n "text" posx posy dimension orientation visibility hjustify vjustify/italic/bold "name"
field_re = re.compile(r'F\s*(\d+)\s+' # 0 Field number
r'"((?:[^\\]|(?:\\.))*)"\s+' # 1 Field value
r'(-?\d+)\s+' # 2 Pos X
r'(-?\d+)\s+' # 3 Pos Y
r'(\d+)\s+' # 4 Dimension
r'([HV])\s+' # 5 Orientation
r'([VI])\s+' # 6 Visibility
r'([LRCBT])\s+' # 7 HJustify
r'([LRCBT][IN][BN])\s*' # 8 VJustify+Italic+Bold
r'("(?:[^\\]|(?:\\.))*")?') # 9 Name for user fields
def __init__(self):
super().__init__()
@staticmethod
def parse(line, lib_name, f):
m = LibComponentField.field_re.match(line)
if not m:
raise SchLibError('Malformed component field', line, f)
field = LibComponentField()
gs = m.groups()
field.number = int(gs[0])
field.value = gs[1]
field.x = int(gs[2])
field.y = int(gs[3])
field.size = int(gs[4])
field.horizontal = gs[5] == 'H' # H -> True, V -> False
field.visible = gs[6] == 'V'
field.hjustify = gs[7]
field.vjustify = gs[8][0]
field.italic = gs[8][1] == 'I'
field.bold = gs[8][2] == 'B'
if gs[9]:
field.name = gs[9][1:-1]
else:
if field.number > 3:
logger.warning(W_MISFLDNAME + 'Missing component field name ({} line {})'.format(lib_name, f.line))
# KiCad falls-back to `FieldN`
field.name = 'Field'+str(field.number)
else:
field.name = ['Reference', 'Value', 'Footprint', 'Datasheet'][field.number]
return field
def write(self, f):
s = 'F'+str(self.number)
s += ' "{}" {} {} {} '.format(self.value, self.x, self.y, self.size)
s += 'H' if self.horizontal else 'V'
s += ' '
s += 'V' if self.visible else 'I'
s += ' '+self.hjustify+' '+self.vjustify
s += 'I' if self.italic else 'N'
s += 'B' if self.bold else 'N'
if self.number > 3:
s += ' "'+self.name+'"'
f.write(s+'\n')
class DrawPoligon(object):
pol_re = re.compile(r'P\s+(\d+)\s+' # 0 Number of points
r'(\d+)\s+' # 1 Sub-part (0 == all)
r'([012])\s+' # 2 Which representation (0 == both) for DeMorgan
r'(-?\d+)\s+' # 3 Thickness (Components from 74xx.lib has poligons with -1000)
r'((?:-?\d+\s+)+)' # 4 The points
r'([NFf])') # 5 Normal, Filled
def __init__(self):
super().__init__()
@staticmethod
def parse(line):
m = DrawPoligon.pol_re.match(line)
if not m:
logger.warning(W_BADPOLI + 'Unknown poligon definition `{}`'.format(line))
return None
pol = DrawPoligon()
g = m.groups()
pol.points = int(g[0])
pol.sub_part = int(g[1])
pol.convert = int(g[2])
pol.thickness = int(g[3])
pol.fill = g[5]
coords = _split_space(g[4])
if len(coords) != 2*pol.points:
logger.warning(W_POLICOORDS + 'Expected {} coordinates and got {} in poligon'.format(2*pol.points, len(coords)))
pol.points = int(len(coords)/2)
pol.coords = [int(c) for c in coords]
return pol
def write(self, f):
f.write('P {} {} {} {}'.format(self.points, self.sub_part, self.convert, self.thickness))
for p in self.coords:
f.write(' '+str(p))
f.write(' '+self.fill+'\n')
def get_rect(self):
if not self.points:
return 0, 0, 0, 0, False
xm = xM = self.coords[0]
ym = yM = self.coords[1]
for i in range(1, self.points):
x = self.coords[i*2]
y = self.coords[i*2+1]
xm = min(x, xm)
xM = max(x, xM)
ym = min(y, ym)
yM = max(y, yM)
return xm, ym, xM, yM, True
class DrawRectangle(object):
rec_re = re.compile(r'S\s+'
r'(-?\d+)\s+' # 0 Start X
r'(-?\d+)\s+' # 1 Start Y
r'(-?\d+)\s+' # 2 End X
r'(-?\d+)\s+' # 3 End X
r'(\d+)\s+' # 4 Sub-part (0 == all)
r'([012])\s+' # 5 Which representation (0 == both) for DeMorgan
r'(\d+)\s+' # 6 Thickness
r'([NFf])') # 7 Normal, Filled
def __init__(self):
super().__init__()
@staticmethod
def parse(line):
m = DrawRectangle.rec_re.match(line)
if not m:
logger.warning(W_BADSQUARE + 'Unknown square definition `{}`'.format(line))
return None
rec = DrawRectangle()
g = m.groups()
rec.start_x = int(g[0])
rec.start_y = int(g[1])
rec.end_x = int(g[2])
rec.end_y = int(g[3])
rec.sub_part = int(g[4])
rec.convert = int(g[5])
rec.thickness = int(g[6])
rec.fill = g[7]
return rec
def write(self, f):
f.write('S {} {} {} {}'.format(self.start_x, self.start_y, self.end_x, self.end_y))
f.write(' {} {} {} {}\n'.format(self.sub_part, self.convert, self.thickness, self.fill))
def get_rect(self):
xm = min(self.start_x, self.end_x)
ym = min(self.start_y, self.end_y)
xM = max(self.start_x, self.end_x)
yM = max(self.start_y, self.end_y)
return xm, ym, xM, yM, True
class DrawCircle(object):
cir_re = re.compile(r'C\s+'
r'(-?\d+)\s+' # 0 Pos X
r'(-?\d+)\s+' # 1 Pos Y
r'(\d+)\s+' # 2 Radius
r'(\d+)\s+' # 3 Sub-part (0 == all)
r'([012])\s+' # 4 Which representation (0 == both) for DeMorgan
r'(\d+)\s+' # 5 Thickness
r'([NFf])') # 6 Normal, Filled
def __init__(self):
super().__init__()
@staticmethod
def parse(line):
m = DrawCircle.cir_re.match(line)
if not m:
logger.warning(W_BADCIRCLE + 'Unknown circle definition `{}`'.format(line))
return None
cir = DrawCircle()
g = m.groups()
cir.pos_x = int(g[0])
cir.pos_y = int(g[1])
cir.radius = int(g[2])
cir.sub_part = int(g[3])
cir.convert = int(g[4])
cir.thickness = int(g[5])
cir.fill = g[6]
return cir
def write(self, f):
f.write('C {} {} {}'.format(self.pos_x, self.pos_y, self.radius))
f.write(' {} {} {} {}\n'.format(self.sub_part, self.convert, self.thickness, self.fill))
def get_rect(self):
xm = self.pos_x-self.radius
ym = self.pos_y-self.radius
xM = self.pos_x+self.radius
yM = self.pos_y+self.radius
return xm, ym, xM, yM, True
class DrawArc(object):
arc_re = re.compile(r'A\s+'
r'(-?\d+)\s+' # 0 Pos X
r'(-?\d+)\s+' # 1 Pos Y
r'(\d+)\s+' # 2 Radius
r'(-?\d+)\s+' # 3 Start
r'(-?\d+)\s+' # 4 End
r'(\d+)\s+' # 5 Sub-part (0 == all)
r'([012])\s+' # 6 Which representation (0 == both) for DeMorgan
r'(\d+)\s+' # 7 Thickness
r'([NFf])\s+' # 8 Normal, Filled
r'(-?\d+)\s+' # 9 Start Pos X
r'(-?\d+)\s+' # 10 Start Pos Y
r'(-?\d+)\s+' # 11 End Pos X
r'(-?\d+)') # 12 End Pos Y
def __init__(self):
super().__init__()
@staticmethod
def parse(line):
m = DrawArc.arc_re.match(line)
if not m:
logger.warning(W_BADARC + 'Unknown arc definition `{}`'.format(line))
return None
arc = DrawArc()
g = m.groups()
arc.pos_x = int(g[0])
arc.pos_y = int(g[1])
arc.radius = int(g[2])
arc.start = int(g[3])
arc.end = int(g[4])
arc.sub_part = int(g[5])
arc.convert = int(g[6])
arc.thickness = int(g[7])
arc.fill = g[8]
arc.start_x = int(g[9])
arc.start_y = int(g[10])
arc.end_x = int(g[11])
arc.end_y = int(g[12])
return arc
def write(self, f):
f.write('A {} {} {}'.format(self.pos_x, self.pos_y, self.radius))
f.write(' {} {}'.format(self.start, self.end))
f.write(' {} {} {} {}'.format(self.sub_part, self.convert, self.thickness, self.fill))
f.write(' {} {} {} {}\n'.format(self.start_x, self.start_y, self.end_x, self.end_y))
def get_rect(self):
xm = self.pos_x-self.radius
ym = self.pos_y-self.radius
xM = self.pos_x+self.radius
yM = self.pos_y+self.radius
return xm, ym, xM, yM, True
class DrawText(object):
txt_re = re.compile(r'T\s+'
r'(\d+)\s+' # 0 Orientation (0 horizontal)
r'(-?\d+)\s+' # 1 Pos X
r'(-?\d+)\s+' # 2 Pos Y
r'(\d+)\s+' # 3 Dimension
r'(\d+)\s+' # 4 Type?
r'(\d+)\s+' # 5 Sub-part (0 == all)
r'([012])\s+' # 6 Which representation (0 == both) for DeMorgan
r'(\S+|"(?:[^"]|\\")+")\s+' # 7 Text
r'(Normal|Italic)\s+' # 8 Italic
r'([01])\s+' # 9 Bold
r'([CLR])\s+' # 10 HJustify
r'([CBT])') # 11 VJustify
def __init__(self):
super().__init__()
@staticmethod
def parse(line):
m = DrawText.txt_re.match(line)
if not m:
logger.warning(W_BADTEXT + 'Unknown text definition `{}`'.format(line))
return None
txt = DrawText()
g = m.groups()
txt.orientation = int(g[0])
txt.pos_x = int(g[1])
txt.pos_y = int(g[2])
txt.size = int(g[3])
txt.type = int(g[4])
txt.sub_part = int(g[5])
txt.convert = int(g[6])
txt.text = un_quote(g[7])
txt.italic = g[8] == 'Italic'
txt.bold = g[9] == '1'
txt.hjustify = g[10]
txt.vjustify = g[11]
return txt
def write(self, f):
f.write('T {} {} {} {}'.format(self.orientation, self.pos_x, self.pos_y, self.size))
f.write(' {} {} {} "{}"'.format(self.type, self.sub_part, self.convert, self.text))
f.write(' {} {} {} {}\n'.format(['Normal', 'Italic'][self.italic], int(self.bold), self.hjustify, self.vjustify))
def get_rect(self):
return 0, 0, 0, 0, False
class Pin(object):
pin_re = re.compile(r'X\s+'
r'(\S+)\s+' # 0 Name (~ for empty)
r'(\S+)\s+' # 1 "Number" (alphanumeric)
r'(-?\d+)\s+' # 2 Pos X
r'(-?\d+)\s+' # 3 Pos Y
r'(\d+)\s+' # 4 Length
r'([RLUD])\s+' # 5 Direction
r'(\d+)\s+' # 6 Text size for the pin name
r'(\d+)\s+' # 7 Text size for the pin number
r'(\d+)\s+' # 8 Sub-part (0 == all)
r'([012])\s+' # 9 Which representation (0 == both) for DeMorgan
r'([IOBTPUWwCEN])' # 10 Electrical type
r'((?:\s+)\S+)?') # 11 Graphic type
def __init__(self):
super().__init__()
@staticmethod
def parse(line):
m = Pin.pin_re.match(line)
if not m:
logger.warning(W_BADPIN + 'Unknown pin definition `{}`'.format(line))
return None
pin = Pin()
g = m.groups()
pin.name = g[0]
pin.number = g[1]
pin.pos_x = int(g[2])
pin.pos_y = int(g[3])
pin.len = int(g[4])
pin.dir = g[5]
pin.size_name = int(g[6])
pin.size_num = int(g[7])
pin.sub_part = int(g[8])
pin.convert = int(g[9])
pin.type = g[10]
pin.gtype = g[11]
return pin
def write(self, f):
f.write('X {} {} {} {}'.format(self.name, self.number, self.pos_x, self.pos_y))
f.write(' {} {} {} {}'.format(self.len, self.dir, self.size_name, self.size_num))
f.write(' {} {} {}'.format(self.sub_part, self.convert, self.type))
if self.gtype:
f.write(' '+self.gtype)
f.write('\n')
def get_rect(self):
if self.dir == 'U':
return self.pos_x, self.pos_y, self.pos_x, self.pos_y+self.len, True
if self.dir == 'D':
return self.pos_x, self.pos_y-self.len, self.pos_x, self.pos_y, True
if self.dir == 'R':
return self.pos_x, self.pos_y, self.pos_x+self.len, self.pos_y, True
if self.dir == 'L':
return self.pos_x-self.len, self.pos_y, self.pos_x, self.pos_y, True
return 0, 0, 0, 0, False
class LibComponent(object):
def_re = re.compile(r'DEF\s+'
r'(\S+)\s+' # 0 Name
r'(\S+)\s+' # 1 Reference prefix
r'(\S+)\s+' # 2 Unused field (0)
r'(-?\d+)\s+' # 3 Text offset
r'([YN])\s+' # 4 Draw pin number
r'([YN])\s+' # 5 Draw pin name
r'(\d+)\s+' # 6 Unit count
r'([LF])\s+' # 7 Unit is locked
r'([NP])') # 8 Power/Normal
def __init__(self, line, f, lib_name):
super().__init__()
self.dcm = None # Extra info from the Doc-Lib (DCM) file
m = self.def_re.match(line)
if m:
g = m.groups()
self.name = g[0]
self.ref_prefix = g[1]
self.unused = g[2]
self.text_offset = int(g[3])
self.draw_pinnumber = g[4] == 'Y'
self.draw_pinname = g[5] == 'Y'
self.unit_count = int(g[6])
self.units_locked = g[7] == 'L'
self.is_power = g[8] == 'P'
if self.name[0] == '~':
self.name = self.name[1:]
self.vname = True
else:
self.vname = False
if GS.debug_level > 2:
logger.debug('- Loading component {} from {}'.format(self.name, lib_name))
else:
logger.warning(W_BADCOMP + 'Failed to load component definition: `{}`'.format(line))
# Mark it as broken
self.name = None
self.fields = []
self.dfields = {}
self.alias = None
self.fp_list = []
self.draw = []
line = f.get_line()
while not line.startswith('ENDDEF'):
if len(line) == 0:
# Skip empty lines
line = f.get_line()
continue
if line[0] == 'F':
# A field
field = LibComponentField.parse(line, lib_name, f)
self.fields.append(field)
self.dfields[field.name.lower()] = field
elif line.startswith('ALIAS'):
self.alias = _split_space(line[6:])
elif line.startswith('$FPLIST'):
line = f.get_line()
while not line.startswith('$ENDFPLIST'):
self.fp_list.append(line[1:])
line = f.get_line()
elif line.startswith('DRAW'):
line = f.get_line()
while not line.startswith('ENDDRAW'):
if line[0] == 'P':
self.draw.append(DrawPoligon.parse(line))
elif line[0] == 'S':
self.draw.append(DrawRectangle.parse(line))
elif line[0] == 'C':
self.draw.append(DrawCircle.parse(line))
elif line[0] == 'A':
self.draw.append(DrawArc.parse(line))
elif line[0] == 'T':
self.draw.append(DrawText.parse(line))
elif line[0] == 'X':
self.draw.append(Pin.parse(line))
else:
logger.warning(W_BADDRAW + 'Unknown draw element `{}`'.format(line))
line = f.get_line()
line = f.get_line()
def write(self, f, id, cross=False):
""" cross is used to cross the component (DNF) """
id = id.replace(':', '_')
if self.vname:
id = '~'+id
f.write('#\n# '+id+'\n#\n')
f.write('DEF {} {} {} {} {} {} {} {} {}\n'.
format(id, self.ref_prefix, self.unused, self.text_offset, ['N', 'Y'][self.draw_pinnumber],
['N', 'Y'][self.draw_pinname], self.unit_count, ['F', 'L'][self.units_locked],
['N', 'P'][self.is_power]))
for field in self.fields:
field.write(f)
f.write('$FPLIST\n')
for fp in self.fp_list:
f.write(' '+fp+'\n')
f.write('$ENDFPLIST\n')
if self.alias:
f.write('ALIAS '+' '.join(self.alias)+'\n')
f.write('DRAW\n')
for dr in self.draw:
dr.write(f)
if cross:
# Generated the crossed stuff
# logger.debug('Computing size for {}:'.format(id))
for unit in range(self.unit_count):
xmt = ymt = 1e6
xMt = yMt = -1e6
ok_t = False
# logger.debug("Unit "+str(unit+1))
for dr in self.draw:
if dr.sub_part != unit + 1 and dr.sub_part != 0:
continue
xm, ym, xM, yM, ok = dr.get_rect()
# logger.debug([dr, xm, ym, xM, yM, ok])
if ok:
ok_t = True
xmt = min(xm, xmt)
ymt = min(ym, ymt)
xMt = max(xM, xMt)
yMt = max(yM, yMt)
if ok_t:
# Cross this component using 2 lines
o = DrawPoligon()
o.points = 2
o.sub_part = unit+1
o.convert = 0
o.thickness = 30
o.fill = 'N'
o.coords = [xmt, ymt, xMt, yMt]
o.write(f)
o.coords = [xmt, yMt, xMt, ymt]
o.write(f)
f.write('ENDDRAW\n')
f.write('ENDDEF\n')
# def __repr__(self):
# s = 'Component('+self.name
# if self.desc:
# s += " desc: '{}'".format(self.desc)
# s += ')'
# return s
class SymLib(object):
""" Content from a symbols library """
def __init__(self):
super().__init__()
self.comps = OrderedDict()
self.alias = {}
@staticmethod
def _check_add(o, id, lib, needed, translate):
if lib is None:
# From a cache
if id in translate:
needed[translate[id]] = o
return True
return False
name = lib+':'+id
if name in needed:
needed[name] = o
return True
else:
name = 'None:'+id
if name in needed:
needed[name] = o
return True
return False
def load(self, file, lib_alias, needed):
""" Populates the class, file must exist """
logger.debug('Loading library `{}`'.format(file))
with open(file, 'rt') as fh:
f = LibLineReader(fh, file)
line = f.get_line()
if not line.startswith('EESchema-LIBRARY'):
raise SchLibError('Missing library signature', line, f)
line = f.get_line()
translate = {k.replace(':', '_'): k for k, v in needed.items() if v is None} if lib_alias is None else None
while not (line.startswith('#End Library') or line.startswith('# End Library')):
if line.startswith('DEF'):
o = LibComponent(line, f, file)
if o.name:
# Only add components we need
if self._check_add(o, o.name, lib_alias, needed, translate):
self.comps[o.name] = o
if o.alias and lib_alias is not None:
for a in o.alias:
if self._check_add(o, a, lib_alias, needed, translate):
self.alias[a] = o
else:
raise SchLibError('Unknown library entry', line, f)
try:
line = f.get_line()
except SchLibError:
logger.warning(W_NOENDLIB + 'Library without end of file comment: `{}`'.format(file))
break
class DocLibEntry(object):
def __init__(self, name, f):
super().__init__()
self.name = name
self.desc = None
self.keys = None
self.datasheet = None
line = f.get_line()
while not line.startswith('$ENDCMP'):
if line[0] == 'D':
self.desc = line[2:].lstrip()
elif line[0] == 'K':
self.keys = _split_space(line[2:])
elif line[0] == 'F':
self.datasheet = line[2:].lstrip()
else:
logger.warning(W_UNKDCM + 'Unknown DCM attribute `{}` on line {}'.format(line, f.line))
line = f.get_line()
def __repr__(self):
s = 'DCM('+self.name
if self.desc:
s += " desc: '{}'".format(self.desc)
s += ')'
return s
class DocLib(object):
""" Content from a DCM """
def __init__(self):
super().__init__()
self.comps = OrderedDict()
def load(self, file):
""" Populates the class, file must exist """
logger.debug('Loading doc-lib `{}`'.format(file))
with open(file, 'rt') as fh:
f = DCMLineReader(fh, file)
line = f.get_line()
if not line.startswith('EESchema-DOCLIB'):
raise SchLibError('Missing DCM signature', line, f)
line = f.get_line()
while not line.startswith('#End Doc Library'):
if line.startswith('$CMP'):
o = DocLibEntry(line[5:].lstrip(), f)
self.comps[o.name] = o
if GS.debug_level > 1:
logger.debug('- '+repr(o))
else:
raise SchLibError('Unknown DCM entry', line, f)
line = f.get_line()
class SchematicField(object):
# F n "text" orientation posx posy dimension flags hjustify vjustify/italic/bold "name"
field_re = re.compile(r'F\s*(\d+)\s+"((?:[^\\]|(?:\\.))*)"\s+([HV])\s+(-?\d+)\s+(-?\d+)\s+(\d+)\s+(\d+)'
r'\s+([LRCBT])\s+([LRCBT][IN][BN])\s*("(?:[^\\]|(?:\\.))*")?')
def __init__(self):
super().__init__()
@staticmethod
def parse(line, f):
m = SchematicField.field_re.match(line)
if not m:
raise SchFileError('Malformed component field', line, f)
field = SchematicField()
gs = m.groups()
field.number = int(gs[0])
field.value = gs[1]
field.horizontal = gs[2] == 'H' # H -> True, V -> False
field.x = int(gs[3])
field.y = int(gs[4])
field.size = int(gs[5])
field.flags = gs[6]
field.hjustify = gs[7]
field.vjustify = gs[8][0]
field.italic = gs[8][1] == 'I'
field.bold = gs[8][2] == 'B'
if gs[9]:
field.name = gs[9][1:-1]
else:
if field.number > 3:
raise SchFileError('Missing component field name', line, f)
field.name = ['Reference', 'Value', 'Footprint', 'Datasheet'][field.number]
return field
def write(self, f):
f.write('F {} "{}" {}'.format(self.number, self.value, ['V', 'H'][self.horizontal]))
f.write(' {} {} {} {}'.format(self.x, self.y, self.size, self.flags))
f.write(' {} {}{}{}'.format(self.hjustify, self.vjustify, ['N', 'I'][self.italic], ['N', 'B'][self.bold]))
if self.number > 3:
f.write(' "{}"'.format(self.name))
f.write('\n')
def __str__(self):
return self.name+'='+self.value
class SchematicAltRef():
def __init__(self):
super().__init__()
self.path = None
self.ref = None
self.part = None
@staticmethod
def parse(line):
ar = SchematicAltRef()
res = _split_space(line[3:])
for r in res:
if r.startswith('Path='):
ar.path = r[6:-1]
elif r.startswith('Ref='):
ar.ref = r[5:-1]
elif r.startswith('Part='):
ar.part = r[6:-1]
else:
logger.warning(W_UNKAR + 'Unknown AR field `{}`'.format(r))
if not ar.path:
logger.warning(W_ARNOPATH + 'Alternative Reference without path `{}`'.format(line))
if not ar.ref:
logger.warning(W_ARNOREF + 'Alternative Reference without reference `{}`'.format(line))
return ar
def write(self, f):
f.write('AR')
if self.path:
f.write(' Path="{}"'.format(self.path))
if self.ref:
f.write(' Ref="{}"'.format(self.ref))
if self.part:
f.write(' Part="{}"'.format(self.part))
f.write('\n')
class SchematicComponent(object):
""" Class for a component in the schematic.
Here are special members currently computed elsehere:
- fitted: equivalent to 'Exclude from board' but inverted
- Solded: only if True
- BoM normal: only if True
- BoM DNF: only if False
- included: related to 'Exclude from BoM' but inverted,
but also applied to other situations.
- Solded: doesn't affected
- BoM normal: only if True
- BoM DNF: only if True (and fitted is False)
- fixed: means you can't change it by a replacement without authorization
Is just a flag and doesn't affect much.
- footprint_rot: angle to rotate the part in the pick & place.
- qty: ammount of this part used.
"""
ref_re = re.compile(r'([^\d]+)([\?\d]+)')
def __init__(self):
super().__init__()
self.field_ref = ''
self.value = ''
self.footprint = ''
self.datasheet = ''
self.desc = ''
self.fields = []
self.dfields = {}
self.fields_bkp = None
self.dfields_bkp = None
# Will be computed
self.fitted = True
self.included = True
self.fixed = False
self.bottom = False
self.footprint_rot = 0.0
self.qty = 1
self.annotation_error = False
# KiCad 5 PCB flags (mutually exclusive)
self.smd = False
self.virtual = False
self.tht = False
def get_field_value(self, field):
field = field.lower()
if field in self.dfields:
return self.dfields[field].value
return ''
def is_field(self, field):
return field in self.dfields
def get_free_field_number(self):
""" Looks for a field number that isn't currently in use """
max_num = -1
for f in self.fields:
if f.number > max_num:
max_num = f.number
return max_num+1
def set_field(self, field, value):
""" Change the value for an existing field """
field_lc = field.lower()
if field_lc in self.dfields:
target = self.dfields[field_lc]
target.value = value
# Adjust special fields
if target.number < 4:
self._solve_fields(LineReader(None, '**Internal**'))
else:
f = SchematicField()
f.name = field
f.value = value
f.number = self.get_free_field_number()
self.add_field(f)
def get_field_names(self):
""" List of all the available field names for this component """
return self.dfields.keys()
def get_user_fields(self):
""" Returns a list of tuples with the user defined fields (name, value) """
return [(f.name, f.value) for f in self.fields if f.number > 3]
def add_field(self, field):
self.fields.append(field)
self.dfields[field.name.lower()] = field
def rename_field(self, old_name, new_name):
old_name = old_name.lower()
field = self.dfields[old_name]
field.name = new_name
del self.dfields[old_name]
self.dfields[new_name.lower()] = field
def back_up_fields(self):
""" First call makes a back-up of the fields.
Next calls restores the back-up. """
if self.fields_bkp:
# We have a back-up, restore from it
self.fields = deepcopy(self.fields_bkp)
self.dfields = {f.name.lower(): f for f in self.fields}
self._solve_fields(LineReader(None, '**Internal**'))
else:
# No back-up. Make one for the next reset
self.fields_bkp = deepcopy(self.fields)
self.dfields_bkp = {f.name.lower(): f for f in self.fields_bkp}
def _solve_ref(self, path):
""" Look fo the correct reference for this path.
Returns the default reference if no paths defined.
Returns the first not empty reference if the current is empty. """
ref = self.f_ref
# If the reference is empty try the reference field
if ref[-1] == '?' and self.field_ref and self.field_ref[-1] != '?':
ref = self.fields[0].value
if self.ar:
path += '/'+self.id
for o in self.ar:
if o.path == path and o.ref[-1] != '?':
return o.ref
if ref[-1] == '?' and o.ref[-1] != '?':
ref = o.ref
return ref
def _solve_fields(self, fr):
""" Fills the default fields from the fields attribute """
f = self.fields
self.field_ref = None
self.value = None
self.footprint = None
self.footprint_lib = None
self.datasheet = None
basic = 0
for f in self.fields:
if f.number == 0:
self.field_ref = f.value
basic += 1
elif f.number == 1:
self.value = f.value
basic += 1
elif f.number == 2:
res = f.value.split(':')
cres = len(res)
if cres == 1:
self.footprint = res[0]
elif cres == 2:
self.footprint_lib = res[0]
self.footprint = res[1]
else:
raise SchFileError('Footprint with more than one colon', f.value, fr)
basic += 1
elif f.number == 3:
self.datasheet = f.value
basic += 1
if basic < 4:
logger.warning(W_MISCFLD + 'Component `{}` without the basic fields'.format(self.f_ref))
def _validate(self):
for field in self.fields:
cur_val = field.value
stripped_val = cur_val.strip()
if len(cur_val) != len(stripped_val):
logger.warning(W_EXTRASPC + "Field {} of component {} contains extra spaces: `{}` removing them.".
format(field.name, self, field.value))
field.value = stripped_val
def __str__(self):
ref = self.ref
# Add the sub-part id
# How to know if unit 1 is A?
if self.unit > 1:
ref += chr(ord('A')+self.unit-1)
if self.name == self.value:
return '{} ({})'.format(ref, self.name)
return '{} ({} {})'.format(ref, self.name, self.value)
@staticmethod
def load(f, project, sheet_path, sheet_path_h, libs, fields, fields_lc):
# L lib:name reference
line = f.get_line()
if not line or line[0] != 'L':
raise SchFileError('Missing component label', line, f)
res = _split_space(line[2:])
if len(res) != 2:
raise SchFileError('Malformed component label', line, f)
comp = SchematicComponent()
comp.project = project
comp.name, comp.f_ref = res
res = comp.name.split(':')
comp.lib = None
if len(res) == 2:
comp.name = res[1]
comp.lib = res[0]
libs[comp.lib] = None
else:
logger.warning(W_NOLIB + "Component `{}` doesn't specify its library".format(comp.name))
# U N mm time_stamp
line = f.get_line()
if line[0] != 'U':
raise SchFileError('Missing component unit', line, f)
res = _split_space(line[2:])
if len(res) != 3:
raise SchFileError('Malformed component unit', line, f)
comp.unit = int(res[0])
comp.unit2 = int(res[1])
comp.id = res[2]
# P x y
line = f.get_line()
if line[0] != 'P':
raise SchFileError('Missing component position', line, f)
res = _split_space(line[2:])
if len(res) != 2:
raise SchFileError('Malformed component position', line, f)
comp.x = int(res[0])
comp.y = int(res[1])
# Optional "Alternative References"
line = f.get_line()
comp.ar = []
while line[:2] == 'AR':
comp.ar.append(SchematicAltRef.parse(line))
line = f.get_line()
# F field_number "text" orientation posX posY size Flags (see below) hjustify vjustify/italic/bold "name"
while line[0] == 'F':
field = SchematicField.parse(line, f)
name_lc = field.name.lower()
# Add to the global collection
if name_lc not in fields_lc:
fields.append(field.name)
fields_lc.add(name_lc)
# Add to the component
comp.add_field(field)
line = f.get_line()
# Fake 'Part' field
field = SchematicField()
field.name = 'part'
field.value = comp.name
field.number = -1
comp.add_field(field)
# Redundant pos
if not line.startswith('\t'+str(comp.unit)):
raise SchFileError('Missing component redundant position', line, f)
res = _split_space(line[1:])
if len(res) != 3:
raise SchFileError('Malformed component redundant position', line, f)
xr = int(res[1])
yr = int(res[2])
if comp.x != xr or comp.y != yr:
logger.warning(W_INCPOS + 'Inconsistent position for component {} ({},{} vs {},{})'.
format(comp.f_ref, comp.x, comp.y, xr, yr))
# Orientation matrix
line = f.get_line()
if line[0] != '\t':
raise SchFileError('Missing component orientation matrix', line, f)
res = _split_space(line[1:])
if len(res) != 4:
raise SchFileError('Malformed component orientation matrix', line, f)
comp.matrix = [int(v) for v in res]
line = f.get_line()
while not line.startswith('$EndComp'):
line = f.get_line()
comp._solve_fields(f)
comp.ref = comp._solve_ref(sheet_path)
# Power, ground or power flag
comp.is_power = comp.ref.startswith('#PWR') or comp.ref.startswith('#FLG')
if comp.ref[-1] == '?':
logger.warning(W_NOANNO + 'Component {} is not annotated'.format(comp))
comp.annotation_error = True
# Separate the reference in its components
m = SchematicComponent.ref_re.match(comp.ref)
if not m:
raise SchFileError('Malformed component reference', comp.ref, f)
comp.ref_prefix, comp.ref_suffix = m.groups()
# Location in the project
comp.sheet_path = sheet_path
comp.sheet_path_h = sheet_path_h
if GS.debug_level > 1:
logger.debug("- Loaded component {}".format(comp))
# Report abnormal situations
comp._validate()
return comp
def write(self, f):
# Fake lib to reflect fitted status
lib = 'y' if self.fitted or not self.included else 'n'
# Fake name using cache style
name = '{}:{}_{}'.format(lib, self.lib, self.name)
f.write('$Comp\n')
f.write('L {} {}\n'.format(name, self.f_ref))
f.write('U {} {} {}\n'.format(self.unit, self.unit2, self.id))
f.write('P {} {}\n'.format(self.x, self.y))
for ar in self.ar:
ar.write(f)
for field in self.fields:
if field.number >= 0:
field.write(f)
f.write('\t{} {} {}\n'.format(self.unit, self.x, self.y))
f.write('\t{} {} {} {}\n'.format(self.matrix[0], self.matrix[1], self.matrix[2], self.matrix[3]))
f.write('$EndComp\n')
class SchematicConnection(object):
conn_re = re.compile(r'\s*~\s+(-?\d+)\s+(-?\d+)')
def __init__(self):
super().__init__()
@staticmethod
def parse(connect, line, f):
m = SchematicConnection.conn_re.match(line)
if not m:
raise SchFileError('Malformed no/connection', line, f)
c = SchematicConnection()
c.connect = connect
c.x = int(m.group(1))
c.y = int(m.group(2))
return c
def write(self, f):
f.write('{} ~ {} {}\n'.format(['NoConn', 'Connection'][self.connect], self.x, self.y))
class SchematicText(object):
label_re = re.compile(r'Text\s+(Notes|HLabel|GLabel|Label)\s+(-?\d+)\s+(-?\d+)\s+(\d)\s+(\d+)\s+(\S+)')
TYPES = ['Notes', 'HLabel', 'GLabel', 'Label']
def __init__(self):
super().__init__()
@staticmethod
def load(f, line):
gs = _split_space(line)
c = len(gs)
if c < 6 or gs[0] != 'Text' or gs[1] not in SchematicText.TYPES:
raise SchFileError('Malformed `Text`', line, f)
text = SchematicText()
text.type = gs[1]
try:
text.x = int(gs[2])
text.y = int(gs[3])
text.orient = int(gs[4])
text.size = int(gs[5])
offset = 6
text.shape = None
if gs[1][0] in 'GH':
if c < 7:
raise SchFileError('Missing `Text` shape', line, f)
text.shape = gs[6]
offset += 1
# New versions adds Italics and Bold, in a different way of course
text.italic = False
if c > offset:
text.italic = gs[offset] == 'Italic'
offset += 1
text.thickness = 0
if c > offset:
text.thickness = int(gs[offset])
offset += 1
except ValueError:
raise SchFileError('Not a number in `Text`', line, f)
text.text = f.get_line()
return text
def write(self, f):
f.write('Text {} {} {} {} {}'.format(self.type, self.x, self.y, self.orient, self.size))
if self.type[0] in 'GH':
f.write(' '+self.shape)
f.write(' {} {}\n'.format(['~', 'Italic'][self.italic], self.thickness))
f.write(self.text+'\n')
class SchematicWire(object):
WIRE = 0
WIRE_BUS = 1
WIRE_DOT = 2
WIRES = {'Wire': WIRE, 'Bus': WIRE_BUS, 'Notes': WIRE_DOT}
ENTRY_WIRE = 3
ENTRY_BUS = 4
ENTRIES = {'Wire': ENTRY_WIRE, 'Bus': ENTRY_BUS}
NAMES = ['Wire Wire Line', 'Wire Bus Line', 'Wire Notes Line', 'Entry Wire Line', 'Entry Bus Bus']
def __init__(self, width=None, style=None, rgb=None):
super().__init__()
self.width = width
self.rgb = rgb
self.style = style
@staticmethod
def load(f, line):
res = _split_space(line)
res_l = len(res)
width = style = rgb = None
if res_l > 3 and res[0] == 'Wire' and res[1] == 'Notes' and res[2] == 'Line':
offset = 3
while offset < res_l:
if res[offset] == 'width' and res_l > offset+1:
width = res[offset+1]
offset += 2
elif res[offset] == 'style' and res_l > offset+1:
style = res[offset+1]
offset += 2
elif res[offset].startswith('rgb(') and res_l > offset+2:
rgb = res[offset]+' '+res[offset+1]+' '+res[offset+2]
offset += 3
else:
raise SchFileError('Malformed wire note', line, f)
elif res_l != 3:
raise SchFileError('Malformed wire', line, f)
wire = SchematicWire(width, style, rgb)
if res[0] == 'Wire':
# Wire Wire Line
# Wire Bus Line
# Wire Notes Line
if res[2] != 'Line' or res[1] not in SchematicWire.WIRES:
raise SchFileError('Malformed wire', line, f)
wire.type = SchematicWire.WIRES[res[1]]
else: # Entry
# Entry Wire Line
# Entry Bus Bus
if (res[2] != 'Bus' and res[2] != 'Line') or res[1] not in SchematicWire.ENTRIES:
raise SchFileError('Malformed entry', line, f)
wire.type = SchematicWire.ENTRIES[res[1]]
line = f.get_line()
if line[0] != '\t':
raise SchFileError('Malformed wire', line, f)
res = _split_space(line[1:])
if len(res) != 4:
raise SchFileError('Malformed wire', line, f)
wire.x = int(res[0])
wire.y = int(res[1])
wire.ex = int(res[2])
wire.ey = int(res[3])
return wire
def write(self, f):
extra = ''
if self.width is not None:
extra += ' width '+self.width
if self.style is not None:
extra += ' style '+self.style
if self.rgb is not None:
extra += ' '+self.rgb
f.write(SchematicWire.NAMES[self.type]+extra)
f.write('\n\t{} {} {} {}\n'.format(self.x, self.y, self.ex, self.ey))
class SchematicBitmap(object):
def __init__(self):
super().__init__()
@staticmethod
def load(f):
# Position
line = f.get_line()
res = _split_space(line)
if res and res[0] != 'Pos':
raise SchFileError('Missing bitmap position', line, f)
if len(res) != 3:
raise SchFileError('Malformed bitmap position', line, f)
bmp = SchematicBitmap()
bmp.x = int(res[1])
bmp.y = int(res[2])
# Scale
line = f.get_line()
res = _split_space(line)
if res and res[0] != 'Scale':
raise SchFileError('Missing bitmap scale', line, f)
if len(res) != 2:
raise SchFileError('Malformed bitmap scale', line, f)
bmp.scale = float(res[1].replace(',', '.'))
# Data
line = f.get_line()
if line != 'Data':
raise SchFileError('Missing bitmap data', line, f)
line = f.get_line()
bmp.data = b''
while line != 'EndData':
res = _split_space(line)
try:
bmp.data += bytes([int(b, 16) for b in res])
except ValueError:
raise SchFileError('Malformed bitmap data', line, f)
line = f.get_line()
# End of bitmap
line = f.get_line()
if line != '$EndBitmap':
raise SchFileError('Missing end of bitmap', line, f)
return bmp
def write(self, f):
f.write('$Bitmap\n')
f.write('Pos {} {}\n'.format(self.x, self.y))
f.write('Scale {}\n'.format(self.scale))
f.write('Data')
for c, b in enumerate(self.data):
if (c % 32) == 0:
f.write('\n')
f.write('%02X ' % b)
f.write('\nEndData\n')
f.write('$EndBitmap\n')
class SchematicPort(object):
port_re = re.compile(r'(\d+)\s+"(.*?)"\s+([IOBTU])\s+([RLTB])\s+(-?\d+)\s+(-?\d+)\s+(\d+)$')
def __init__(self):
super().__init__()
@staticmethod
def parse(line, f):
m = SchematicPort.port_re.match(line)
if not m:
raise SchFileError('Malformed sheet port label', line, f)
port = SchematicPort()
res = m.groups()
port.number = int(res[0])
port.name = res[1]
port.form = res[2]
port.side = res[3]
port.x = int(res[4])
port.y = int(res[5])
port.size = int(res[6])
return port
def write(s, f):
f.write('F{} "{}" {} {} {} {} {}\n'.format(s.number, s.name, s.form, s.side, s.x, s.y, s.size))
class SchematicSheet(object):
name_re = re.compile(r'"(.*?)"\s+(\d+)$')
def __init__(self):
super().__init__()
self.sheet = None
self.id = ''
self.annotation_error = False
def load_sheet(self, project, parent, sheet_path, sheet_path_h, libs, fields, fields_lc):
assert self.name
self.sheet = Schematic()
parent_dir = os.path.dirname(parent)
sheet_path += '/'+self.id
if len(sheet_path_h) > 1:
sheet_path_h += '/'
sheet_path_h += self.name if self.name else 'Unknown'
self.sheet.load(os.path.join(parent_dir, self.file), project, sheet_path, sheet_path_h, libs, fields, fields_lc)
return self.sheet
@staticmethod
def load(f):
# Position & Size
line = f.get_line()
if line[0] != 'S':
raise SchFileError('Missing sheet size and position', line, f)
res = _split_space(line[2:])
if len(res) != 4:
raise SchFileError('Malformed sheet size and position', line, f)
sch = SchematicSheet()
sch.x = int(res[0])
sch.y = int(res[1])
sch.w = int(res[2])
sch.h = int(res[3])
# Optional U
line = f.get_line()
if line[0] == 'U':
sch.id = line[2:]
line = f.get_line()
# Labels
sch.labels = []
sch.name = None
sch.file = None
while not line.startswith('$EndSheet'):
if line[0] != 'F':
raise SchFileError('Malformed sheet label', line, f)
if line[1] == '0':
m = SchematicSheet.name_re.match(line[2:].lstrip())
if not m:
raise SchFileError('Malformed sheet name', line, f)
sch.name = m.group(1)
sch.name_size = int(m.group(2))
elif line[1] == '1' and line[2] == ' ':
m = SchematicSheet.name_re.match(line[2:].lstrip())
if not m:
raise SchFileError('Malformed sheet file name', line, f)
sch.file = m.group(1)
sch.file_size = int(m.group(2))
else:
sch.labels.append(SchematicPort.parse(line[1:], f))
line = f.get_line()
if not sch.name:
raise SchFileError('Missing sub-sheet name', 'pos: {},{}'.format(sch.x, sch.y), f)
if not sch.file:
raise SchFileError('Missing sub-sheet file name', sch.name, f)
return sch
def write(self, f):
# Fake file name
file = self.file.replace('/', '_')
f.write('$Sheet\n')
f.write('S {} {} {} {}\n'.format(self.x, self.y, self.w, self.h))
f.write('U {}\n'.format(self.id))
f.write('F0 "{}" {}\n'.format(self.name, self.name_size))
f.write('F1 "{}" {}\n'.format(file, self.file_size))
for label in self.labels:
label.write(f)
f.write('$EndSheet\n')
class Schematic(object):
def __init__(self):
super().__init__()
self.dcms = {}
self.lib_comps = {}
self.annotation_error = False
def _get_title_block(self, f):
line = f.get_line()
m = re.match(r'\$Descr (\S+) (\d+) (\d+)', line)
if not m:
raise SchFileError('Missing $Descr', line, f)
self.page_type = m.group(1)
self.page_width = m.group(2)
self.page_height = m.group(3)
self.sheet = 1
self.nsheets = 1
self.title_block = OrderedDict()
while True:
line = f.get_line()
if line.startswith('$EndDescr'):
self.title = self.title_block['Title'] if 'Title' in self.title_block else ''
self.date = self.title_block['Date'] if 'Date' in self.title_block else ''
self.revision = self.title_block['Rev'] if 'Rev' in self.title_block else ''
self.company = self.title_block['Comp'] if 'Comp' in self.title_block else ''
return
elif line.startswith('encoding'):
if line[9:14] != 'utf-8':
raise SchFileError('Unsupported encoding', line, f)
elif line.startswith('Sheet'):
res = _split_space(line[6:])
if len(res) != 2:
raise SchFileError('Wrong sheet number', line, f)
self.sheet = int(res[0])
self.nsheets = int(res[1])
else:
m = re.match(r'(\S+)\s+"(.*)"', line)
if not m:
raise SchFileError('Wrong entry in title block', line, f)
self.title_block[m.group(1)] = m.group(2)
def load(self, fname, project, sheet_path='', sheet_path_h='/', libs={}, fields=[], fields_lc=set()):
""" Load a v5.x KiCad Schematic.
The caller must be sure the file exists.
Only the schematics are loaded not the libs. """
logger.debug("Loading sheet from "+fname)
self.fname = fname
self.libs = libs
self.fields = fields
self.fields_lc = fields_lc
self.project = project
with open(fname, 'rt') as fh:
f = SCHLineReader(fh, fname)
line = f.get_line()
m = re.match(r'EESchema Schematic File Version (\d+)', line)
if not m:
raise SchFileError('No eeschema signature', line, f)
self.version = int(m.group(1))
line = f.get_line()
if line.startswith('LIBS'):
# LIBS is optional and can be skipped
line = f.get_line()
m = re.match(r'EELAYER (\d+) (\d+)', line)
if not m:
raise SchFileError('Missing EELAYER', line, f)
self.eelayer_n = int(m.group(1))
self.eelayer_m = int(m.group(2))
line = f.get_line()
if not line.startswith('EELAYER END'):
raise SchFileError('Missing EELAYER END', line, f)
# Load the title block
self._get_title_block(f)
# Fill in some missing info
if not self.date:
file_mtime = os.path.getmtime(fname)
self.date = datetime.fromtimestamp(file_mtime).strftime('%Y-%m-%d_%H-%M-%S')
if not self.title:
self.title = os.path.splitext(os.path.basename(fname))[0]
logger.debug("SCH title: `{}`".format(self.title))
logger.debug("SCH date: `{}`".format(self.date))
logger.debug("SCH revision: `{}`".format(self.revision))
logger.debug("SCH company: `{}`".format(self.company))
line = f.get_line()
self.all = []
self.components = []
self.conn = []
self.texts = []
self.wires = []
self.bitmaps = []
self.sheets = []
while not line.startswith('$EndSCHEMATC'):
if line.startswith('$Comp'):
obj = SchematicComponent.load(f, project, sheet_path, sheet_path_h, libs, fields, fields_lc)
if obj.annotation_error:
self.annotation_error = True
self.components.append(obj)
elif line.startswith('NoConn'):
obj = SchematicConnection.parse(False, line[7:], f)
self.conn.append(obj)
elif line.startswith('Connection'):
obj = SchematicConnection.parse(True, line[11:], f)
self.conn.append(obj)
elif line.startswith('Text'):
obj = SchematicText.load(f, line)
self.texts.append(obj)
elif line.startswith('Wire') or line.startswith('Entry'):
obj = SchematicWire.load(f, line)
self.wires.append(obj)
elif line.startswith('$Bitmap'):
obj = SchematicBitmap.load(f)
self.bitmaps.append(obj)
elif line.startswith('$Sheet'):
obj = SchematicSheet.load(f)
self.sheets.append(obj)
else:
raise SchFileError('Unknown definition', line, f)
self.all.append(obj)
line = f.get_line()
# Load sub-sheets
self.sub_sheets = []
for sch in self.sheets:
sheet = sch.load_sheet(project, fname, sheet_path, sheet_path_h, libs, fields, fields_lc)
if sheet.annotation_error:
self.annotation_error = True
self.sub_sheets.append(sheet)
def get_files(self):
""" A list of the names for all the sheets, including this one.
We avoid repeating the same file. """
files = {self.fname}
for sch in self.sheets:
files.update(sch.sheet.get_files())
return sorted(files)
def get_components(self, exclude_power=True):
""" A list of all the components. """
if exclude_power:
components = [c for c in self.components if not c.is_power]
else:
components = [c for c in self.components]
for sch in self.sheets:
components.extend(sch.sheet.get_components(exclude_power))
components.sort(key=lambda g: g.ref)
return components
def get_field_names(self, fields):
""" Appends the collected field names to the provided names """
fields_lc = {v.lower() for v in fields}
for f in self.fields:
name_lc = f.lower()
if name_lc not in fields_lc:
fields.append(f)
fields_lc.add(name_lc)
return fields
def walk_components(self, function, obj):
for c in self.components:
function(obj, c)
for sch in self.sheets:
sch.sheet.walk_components(function, obj)
@staticmethod
def apply_dcm(obj, c):
dcm = None
# Look for the DCM specific for the lib
if c.lib:
dcm = obj.dcms.get(c.lib)
if dcm:
entry = dcm.comps.get(c.name)
if entry and entry.desc:
c.desc = entry.desc
if GS.debug_level > 2:
logger.debug('Filling desc for {}:{} `{}`'.format(c.lib, c.name, c.desc))
def load_libs(self, fname):
KiConf.init(fname)
# Try to find the library paths
for k in self.libs.keys():
alias = KiConf.lib_aliases.get(k)
if k and alias:
self.libs[k] = alias.uri
if GS.debug_level > 1:
logger.debug('Using `{}` for library alias `{}`'.format(alias.uri, k))
else:
logger.warning(W_MISSLIB + 'Missing library `{}`'.format(k))
# Create a hash with all the used components
self.comps_data = {'{}:{}'.format(c.lib, c.name): None for c in self.get_components(exclude_power=False)}
if GS.debug_level > 1:
logger.debug("Components before loading: "+str(self.comps_data))
# Load the libraries and descriptions
for k, v in self.libs.items():
if v:
# Load library
if os.path.isfile(v):
o = SymLib()
o.load(v, k, self.comps_data)
else:
logger.warning(W_MISSLIB + 'Missing library `{}` ({})'.format(v, k))
o = None
self.lib_comps[k] = o
# Load doc-lib
file = os.path.splitext(v)[0]+'.dcm'
if os.path.isfile(file):
o = DocLib()
o.load(file)
else:
o = None
self.dcms[k] = o
else:
# Mark as None if we don't know the file
self.lib_comps[k] = None
self.dcms[k] = None
# Do we have all the components?
if next((k for k, v in self.comps_data.items() if v is None), None) is not None:
cache_name = fname.replace('.sch', '-cache.lib')
if os.path.isfile(cache_name):
logger.debug("Loading missing components from cache "+cache_name)
o = SymLib()
o.load(cache_name, None, self.comps_data)
if GS.debug_level > 1:
logger.debug("Components after loading: "+str(self.comps_data))
# Join the descriptions with the components
for k in self.libs.keys():
lib = self.lib_comps[k]
dcm = self.dcms[k]
if lib and dcm:
for name, comp in lib.comps.items():
comp.dcm = dcm.comps.get(name)
if not comp.dcm and k+':'+name in self.comps_data:
logger.warning(W_MISSDCM + 'Missing doc-lib entry for {}:{}'.format(k, name))
# Transfer the descriptions to the instances of the components
self.walk_components(self.apply_dcm, self)
def gen_lib(self, name, cross=False):
""" Dumps all the used components to one library.
This is like the KiCad cache. """
with open(name, 'wt') as f:
f.write('EESchema-LIBRARY Version 2.4\n')
f.write('#encoding utf-8\n')
for k, v in self.comps_data.items():
if v:
v.write(f, k, cross=cross)
else:
logger.warning(W_MISSCMP + 'Missing component `{}`'.format(k))
f.write('#\n#End Library\n')
def save(self, fname, dest_dir):
fname = os.path.join(dest_dir, fname)
with open(fname, 'wt') as f:
f.write('EESchema Schematic File Version {}\n'.format(self.version))
f.write('EELAYER {} {}\n'.format(self.eelayer_n, self.eelayer_m))
f.write('EELAYER END\n')
f.write('$Descr {} {} {}\n'.format(self.page_type, self.page_width, self.page_height))
f.write('encoding utf-8\n')
f.write('Sheet {} {}\n'.format(self.sheet, self.nsheets))
for k, v in self.title_block.items():
f.write('{} "{}"\n'.format(k, v))
f.write('$EndDescr\n')
for e in self.all:
e.write(f)
f.write('$EndSCHEMATC\n')
# Save sub-sheets
for c, sch in enumerate(self.sheets):
# Fake file name
file = sch.file.replace('/', '_')
self.sub_sheets[c].save(file, dest_dir)
def save_variant(self, dest_dir):
# Currently imposible
# if not os.path.exists(dest_dir):
# os.makedirs(dest_dir)
lib_yes = os.path.join(dest_dir, 'y.lib')
lib_no = os.path.join(dest_dir, 'n.lib')
self.gen_lib(lib_yes)
self.gen_lib(lib_no, cross=True)
fname = os.path.basename(self.fname)
self.save(fname, dest_dir)
# SymLibTable to use y/n
with open(os.path.join(dest_dir, 'sym-lib-table'), 'wt') as f:
f.write('(sym_lib_table\n')
f.write(' (lib (name y)(type Legacy)(uri ${KIPRJMOD}/y.lib)(options "")(descr ""))\n')
f.write(' (lib (name n)(type Legacy)(uri ${KIPRJMOD}/n.lib)(options "")(descr ""))\n')
f.write(')\n')
return fname
def file_names_variant(self, dest_dir):
""" Returns a list of file names created by save_variant() """
fnames = [os.path.join(dest_dir, 'y.lib'),
os.path.join(dest_dir, 'n.lib'),
os.path.join(dest_dir, 'sym-lib-table')]
# Sub-sheets
sub_sheets = self.get_files()
for sch in sub_sheets:
sch = os.path.basename(sch)
fnames.append(os.path.join(dest_dir, sch.replace('/', '_')))
return fnames