160 lines
6.7 KiB
Python
160 lines
6.7 KiB
Python
# ##########################################################
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# FlatCAM: 2D Post-processing for Manufacturing #
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# File Author: Marius Adrian Stanciu (c) #
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# Date: 8/17/2019 #
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# MIT Licence #
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# ##########################################################
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from tclCommands.TclCommand import TclCommandSignaled
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import math
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import collections
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class TclCommandMillDrills(TclCommandSignaled):
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"""
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Tcl shell command to Create Geometry Object for milling holes from Excellon.
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example:
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millholes my_drill -tools 1,2,3 -tooldia 0.1 -outname mill_holes_geo
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"""
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# List of all command aliases, to be able use old names for backward compatibility (add_poly, add_polygon)
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aliases = ['milldrills', 'milld']
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description = '%s %s' % (
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"--", "Create a Geometry Object for milling drill holes from Excellon.")
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# Dictionary of types from Tcl command, needs to be ordered
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arg_names = collections.OrderedDict([
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('name', str)
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])
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# Dictionary of types from Tcl command, needs to be ordered.
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# This is for options like -optionname value
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option_types = collections.OrderedDict([
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('milled_dias', str),
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('outname', str),
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('tooldia', float),
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('use_thread', str),
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('diatol', float)
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])
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# array of mandatory options for current Tcl command: required = {'name','outname'}
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required = ['name']
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# structured help for current command, args needs to be ordered
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help = {
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'main': "Create a Geometry Object for milling drill holes from Excellon.",
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'args': collections.OrderedDict([
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('name', 'Name of the Excellon Object. Required.'),
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('milled_dias', 'Comma separated tool diameters of the drills to be milled (example: 0.6, 1.0 or 3.125).\n'
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'Exception: if you enter "all" then the drills for all tools will be milled.\n'
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'WARNING: no spaces are allowed in the list of tools.\n'
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'As a precaution you can enclose them with quotes.'),
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('tooldia', 'Diameter of the milling tool (example: 0.1).'),
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('outname', 'Name of Geometry object to be created holding the milled geometries.'),
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('use_thread', 'If to use multithreading: True (1) or False (0).'),
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('diatol', 'Tolerance. Percentange (0.0 ... 100.0) within which dias in milled_dias will be judged to be '
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'the same as the ones in the tools from the Excellon object. E.g: if in milled_dias we have a '
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'diameter with value 1.0, in the Excellon we have a tool with dia = 1.05 and we set a tolerance '
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'diatol = 5.0 then the drills with the dia = (0.95 ... 1.05) '
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'in Excellon will be processed. Float number.')
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]),
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'examples': ['milldrills mydrills -milled_dias "0.6,0.8" -tooldia 0.1 -diatol 10 -outname milled_holes',
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'milld my_excellon.drl']
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}
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def execute(self, args, unnamed_args):
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"""
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:param args: array of known named arguments and options
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:param unnamed_args: array of other values which were passed into command
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without -somename and we do not have them in known arg_names
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:return: None or exception
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"""
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name = args['name']
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try:
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obj = self.app.collection.get_by_name(str(name))
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except Exception:
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obj = None
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self.raise_tcl_error("Could not retrieve object: %s" % name)
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if 'outname' not in args:
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args['outname'] = name + "_mill_drills"
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if 'use_thread' in args:
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try:
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par = args['use_thread'].capitalize()
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except AttributeError:
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par = args['use_thread']
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args['use_thread'] = bool(eval(par))
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else:
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args['use_thread'] = False
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# if not obj.drills:
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# self.raise_tcl_error("The Excellon object has no drills: %s" % name)
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try:
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if 'milled_dias' in args and args['milled_dias'] != 'all':
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diameters = [x.strip() for x in args['milled_dias'].split(",") if x != '']
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nr_diameters = len(diameters)
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req_tools = set()
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for tool in obj.tools:
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for req_dia in diameters:
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obj_dia_form = float('%.*f' % (obj.decimals, float(obj.tools[tool]["tooldia"])))
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req_dia_form = float('%.*f' % (obj.decimals, float(req_dia)))
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if 'diatol' in args:
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tolerance = float(args['diatol']) / 100
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tolerance = 0.0 if tolerance < 0.0 else tolerance
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tolerance = 1.0 if tolerance > 1.0 else tolerance
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if math.isclose(obj_dia_form, req_dia_form, rel_tol=tolerance):
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req_tools.add(tool)
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nr_diameters -= 1
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else:
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if obj_dia_form == req_dia_form:
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req_tools.add(tool)
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nr_diameters -= 1
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if nr_diameters > 0:
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self.raise_tcl_error("One or more tool diameters of the drills to be milled passed to the "
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"TclCommand are not actual tool diameters in the Excellon object.")
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args['tools'] = req_tools
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# Split and put back. We are passing the whole dictionary later.
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# args['milled_dias'] = [x.strip() for x in args['tools'].split(",")]
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else:
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args['tools'] = 'all'
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# no longer needed, delete from dict if in keys
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args.pop('milled_dias', None)
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args.pop('diatol', None)
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except Exception as e:
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self.raise_tcl_error("Bad tools: %s" % str(e))
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if obj.kind != 'excellon':
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self.raise_tcl_error(
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'Only Excellon objects can be mill-drilled, got %s %s.' % (name, type(obj)))
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if self.app.collection.has_promises():
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self.raise_tcl_error('!!!Promises exists, but should not here!!!')
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try:
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# 'name' is not an argument of obj.generate_milling()
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del args['name']
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# This runs in the background... Is blocking handled?
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success, msg = obj.generate_milling_drills(plot=False, **args)
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except Exception as e:
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success = None
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msg = None
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self.raise_tcl_error("Operation failed: %s" % str(e))
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if not success:
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self.raise_tcl_error(msg)
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