KiBot/kiplot/out_step.py

92 lines
3.7 KiB
Python

import os
import re
from subprocess import (check_output, STDOUT, CalledProcessError)
from .error import KiPlotConfigurationError
from .misc import (KICAD2STEP, KICAD2STEP_ERR)
from .gs import (GS)
from .optionable import BaseOptions
from kiplot.macros import macros, document, output_class # noqa: F401
from . import log
logger = log.get_logger(__name__)
class STEPOptions(BaseOptions):
def __init__(self):
super().__init__()
with document:
self.metric_units = True
""" use metric units instead of inches """
self._origin = 'grid'
""" determines the coordinates origin. Using grid the coordinates are the same as you have in the design sheet.
The drill option uses the auxiliar reference defined by the user.
You can define any other origin using the format 'X,Y', i.e. '3.2,-10' """
self.no_virtual = False
""" used to exclude 3D models for components with 'virtual' attribute """
self.min_distance = -1
""" the minimum distance between points to treat them as separate ones (-1 is KiCad default: 0.01 mm) """
self.output = ''
""" name for the generated STEP file (the name of the PCB if empty) """ # pragma: no cover
@property
def origin(self):
return self._origin
@origin.setter
def origin(self, val):
if (val not in ['grid', 'drill']) and (re.match(r'[-\d\.]+\s*,\s*[-\d\.]+\s*$', val) is None):
raise KiPlotConfigurationError('Origin must be `grid` or `drill` or `X,Y`')
self._origin = val
def run(self, output_dir, board):
# Output file name
output = self.output
if not output:
output = os.path.splitext(os.path.basename(GS.pcb_file))[0]+'.step'
output = os.path.abspath(os.path.join(output_dir, output))
# Make units explicit
if self.metric_units:
units = 'mm'
else:
units = 'in'
# Base command with overwrite
cmd = [KICAD2STEP, '-o', output, '-f']
# Add user options
if self.no_virtual:
cmd.append('--no-virtual')
if self.min_distance >= 0:
cmd.extend(['--min-distance', "{}{}".format(self.min_distance, units)])
if self.origin == 'drill':
cmd.append('--drill-origin')
elif self.origin == 'grid':
cmd.append('--grid-origin')
else:
cmd.extend(['--user-origin', "{}{}".format(self.origin.replace(',', 'x'), units)])
# The board
cmd.append(GS.pcb_file)
# Execute and inform is successful
logger.debug('Executing: '+str(cmd))
try:
cmd_output = check_output(cmd, stderr=STDOUT)
except CalledProcessError as e: # pragma: no cover
# Current kicad2step always returns 0!!!!
# This is why I'm excluding it from coverage
logger.error('Failed to create Step file, error %d', e.returncode)
if e.output:
logger.debug('Output from command: '+e.output.decode())
exit(KICAD2STEP_ERR)
logger.debug('Output from command:\n'+cmd_output.decode())
@output_class
class STEP(BaseOutput): # noqa: F821
""" STEP (ISO 10303-21 Clear Text Encoding of the Exchange Structure)
Exports the PCB as a 3D model.
This is the most common 3D format for exchange purposes.
This output is what you get from the 'File/Export/STEP' menu in pcbnew. """
def __init__(self):
super().__init__()
with document:
self.options = STEPOptions
""" [dict] Options for the `step` output """ # pragma: no cover