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definition.py
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definition.py
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import sys
import json
from xml.etree import ElementTree as ET
def _get_gcode_field(section, field_name):
# Remap old fields to new ones
field_map = {
# old name new name
'{print_temperature}': '{material_print_temperature}',
'{travel_speed}': '{speed_travel}',
'{z_offset}': '0.5', # FIXME
}
data = section.find(field_name).text
lines = []
for line in data.splitlines():
# drop comment lines which generally contains deprecated,
# inexistant variables or unrelated garbage
line = line.strip()
if not line or line[0] == ';':
continue
# do the old to new variable convert
for k, v in field_map.items():
line = line.replace(k, v)
lines.append(line.strip())
return {'default_value': '\n'.join(lines)}
def _get_default_dict(xml_node, field_name, field_type=str):
return {'default_value': field_type(xml_node.find(field_name).text)}
def _extract_fields(dst, section, fields):
fields_map = {
# new name old name
'machine_extruder_count': 'extruder_amount',
'machine_heated_bed': 'has_heated_bed',
'machine_gcode_flavor': 'gcode_flavor',
'machine_nozzle_size': 'nozzle_size',
'cool_fan_enabled': 'fan_enabled',
'cool_fan_full_at_height': 'fan_full_height',
'cool_fan_speed': 'fan_speed',
'cool_lift_head': 'cool_head_lift',
'skin_overlap': 'fill_overlap',
'support_pattern': 'support_type',
'support_infill_rate': 'support_fill_rate',
'magic_spiralize': 'spiralize',
'raft_base_line_width': 'raft_base_linewidth',
'raft_interface_line_width': 'raft_interface_linewidth',
'meshfix_union_all': 'fix_horrible_union_all_type_a',
'meshfix_union_all_remove_holes': 'fix_horrible_union_all_type_b',
'meshfix_keep_open_polygons': 'fix_horrible_use_open_bits',
'meshfix_extensive_stitching': 'fix_horrible_extensive_stitching',
}
for field, field_type in fields:
dagoma_field = fields_map.get(field, field)
dst[field] = _get_default_dict(section, dagoma_field, field_type)
def extract_definition(xmlroot):
bool_eval = lambda x: eval(x)
str_lower = lambda x: str(x).lower()
definition_data = None
o = {}
# Machine fields
for section_name in ('Discovery200', 'DiscoEasy200'):
section = xmlroot.find(section_name)
if not section:
continue
machine_fields = (
('machine_name', str),
('machine_width', int),
('machine_depth', int),
('machine_height', int),
('machine_extruder_count', int), # extruder_amount
('machine_heated_bed', bool_eval), # has_heated_bed
('machine_center_is_zero', bool_eval),
# machine_shape -> TODO
('machine_nozzle_size', float), # nozzle_size
# extruder_head_size_min_x -> polygons, see below
# extruder_head_size_min_y -> polygons, see below
# extruder_head_size_max_x -> polygons, see below
# extruder_head_size_max_y -> polygons, see below
# extruder_head_size_height -> TODO
('machine_gcode_flavor', str), # machine_gcode_flavor
('retraction_enable', bool_eval),
)
_extract_fields(o, section, machine_fields)
min_x = int(section.find('extruder_head_size_min_x').text)
min_y = int(section.find('extruder_head_size_min_y').text)
max_x = int(section.find('extruder_head_size_max_x').text)
max_y = int(section.find('extruder_head_size_max_y').text)
polygons = ((-min_x, -min_y),
(-min_x, max_y),
( max_x, max_y),
( max_x, -min_y))
o['machine_head_with_fans_polygon'] = {'default_value': polygons}
definition_id = 'dagoma_' + section_name.lower()
definition_data = {
'id': definition_id,
'version': 2,
'name': 'Dagoma ' + section.find('machine_name').text,
'inherits': 'fdmprinter',
'metadata': {
'visible': True,
'manfacturer': 'Dagoma',
#'author': '',
'category': 'Other',
'platform': definition_id + '_platform.stl',
'file_formats': 'text/x-gcode',
'has_machine_quality': True,
},
'overrides': o,
}
assert definition_data is not None
# Gcode
gcode = xmlroot.find('GCODE')
o['machine_start_gcode'] = _get_gcode_field(gcode, 'Gstart')
o['machine_end_gcode'] = _get_gcode_field(gcode, 'Gend')
# Config Adv
section = xmlroot.find('Config_Adv')
config_adv_fields = (
('retraction_speed', int),
('retraction_amount', float),
#bottom_thickness -> TODO: belongs in qualities?
#layer0_width_factor -> TODO: belongs in qualities?
#object_sink -> TODO: belongs in qualities?
#cool_min_layer_time -> TODO: belongs in qualities?
('cool_fan_enabled', bool_eval), # fan_enabled
)
_extract_fields(o, section, config_adv_fields)
# Config Expert
section = xmlroot.find('Config_Expert')
config_expert_fields = (
('retraction_min_travel', float),
# retraction_combing -> TODO: changed type from bool to string
# retraction_minimal_extrusion -> TODO: disabled setting?
('retraction_hop', int), # XXX: doesn't retraction_hop_enabled needs to be set?
('skirt_line_count', int),
('skirt_gap', int),
('skirt_minimal_length', int),
('cool_fan_full_at_height', float), # fan_full_height
('cool_fan_speed', int), # fan_speed
# fan_speed_max -> see cool_fan_speed/maximum_value below
# cool_min_feedrate -> TODO: ?
('cool_lift_head', bool_eval), # cool_head_lift
# solid_top -> TODO: top_thickness in qualities?
# solid_bottom -> TODO: bottom_thickness in qualities?
('skin_overlap', int), # fill_overlap / FIXME: infill_overlap?
('support_pattern', str_lower), # support_type
('support_angle', int),
('support_infill_rate', int), # support_fill_rate
('support_xy_distance', float),
('support_z_distance', float),
('magic_spiralize', bool_eval), # spiralize
# simple_mode -> TODO
('brim_line_count', int),
('raft_margin', int),
# raft_line_spacing -> TODO: which of raft_*_line_spacing?
('raft_base_thickness', float),
('raft_base_line_width', float), # raft_base_linewidth
('raft_interface_thickness', float),
('raft_interface_line_width', float), # raft_interface_linewidth
('raft_airgap', float),
('raft_surface_layers', int),
('meshfix_union_all', bool_eval), # fix_horrible_union_all_type_a
('meshfix_union_all_remove_holes', bool_eval), # fix_horrible_union_all_type_b
('meshfix_keep_open_polygons', bool_eval), # fix_horrible_use_open_bits
('meshfix_extensive_stitching', bool_eval), # fix_horrible_extensive_stitching
)
_extract_fields(o, section, config_expert_fields)
o['cool_fan_speed']['maximum_value'] = section.find('fan_speed_max').text # expression, left as string
return definition_data
def _write_definition(xml_filename, output_filename):
xmlroot = ET.parse(xml_filename)
definition_data = extract_definition(xmlroot)
json_data = json.dumps(definition_data, indent=4) + '\n'
open(output_filename, 'w').write(json_data)
if __name__ == '__main__':
if len(sys.argv) != 3:
print('Usage: %s <xml_config.xml> <output.json>' % sys.argv[0])
sys.exit(0)
_write_definition(*sys.argv[1:])