112 lines
4.0 KiB
Python
112 lines
4.0 KiB
Python
from tclCommands.TclCommand import TclCommandSignaled
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import collections
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class TclCommandWriteGCode(TclCommandSignaled):
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"""
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Tcl shell command to save the G-code of a CNC Job object to file.
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"""
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# array of all command aliases, to be able use
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# old names for backward compatibility (add_poly, add_polygon)
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aliases = ['write_gcode']
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description = '%s %s' % ("--", "Saves G-code of a CNC Job object to file.")
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# Dictionary of types from Tcl command, needs to be ordered.
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# For positional arguments
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arg_names = collections.OrderedDict([
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('name', str),
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('filename', str)
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])
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# Dictionary of types from Tcl command, needs to be ordered.
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# For options like -optionname value
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option_types = collections.OrderedDict([
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('preamble', str),
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('postamble', str),
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('muted', str)
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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', 'filename']
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# structured help for current command, args needs to be ordered
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help = {
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'main': "Saves G-code of a CNC Job object to file.",
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'args': collections.OrderedDict([
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('name', 'Source CNC Job object. Required.'),
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('filename', 'Output filename. Required.'),
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('preamble', 'Text to append at the beginning.'),
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('postamble', 'Text to append at the end.'),
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('muted', 'It will not put errors in the Shell or status bar. True (1) or False (0)')
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]),
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'examples': ["write_gcode name c:\\\\gcode_repo"]
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}
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def execute(self, args, unnamed_args):
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"""
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execute current TCL shell command
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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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"""
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Requires obj_name to be available. It might still be in the
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making at the time this function is called, so check for
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promises and send to background if there are promises.
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"""
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obj_name = args['name']
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filename = args['filename']
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preamble = args['preamble'] if 'preamble' in args else ''
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postamble = args['postamble'] if 'postamble' in args else ''
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if 'muted' in args:
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try:
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par = args['muted'].capitalize()
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except AttributeError:
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par = args['muted']
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muted = bool(eval(par))
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else:
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muted = False
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# This is not needed any more? All targets should be present.
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# If there are promised objects, wait until all promises have been fulfilled.
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# if self.collection.has_promises():
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# def write_gcode_on_object(app_obj.new_object):
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# self.log.debug("write_gcode_on_object(): Disconnecting %s" % write_gcode_on_object)
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# self.app_obj.new_object_available.disconnect(write_gcode_on_object)
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# write_gcode(obj_name, filename, preamble, postamble)
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#
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# # Try again when a new object becomes available.
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# self.log.debug("write_gcode(): Collection has promises. Queued for %s." % obj_name)
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# self.log.debug("write_gcode(): Queued function: %s" % write_gcode_on_object)
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# self.app_obj.new_object_available.connect(write_gcode_on_object)
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#
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# return
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# self.log.debug("write_gcode(): No promises. Continuing for %s." % obj_name)
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try:
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obj = self.app.collection.get_by_name(str(obj_name))
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except Exception:
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if muted is False:
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return "Could not retrieve object: %s" % obj_name
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else:
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return "fail"
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try:
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obj.export_gcode(str(filename), str(preamble), str(postamble), from_tcl=True)
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except Exception as e:
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if muted is False:
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return "Operation failed: %s" % str(e)
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else:
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return
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