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Use argparse for post processor argument parsing and added preamble and postamble as arguments.

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This commit is contained in:
Markus Lampert
2017-08-21 14:22:08 -07:00
parent 23863af612
commit 447eef0efa
2 changed files with 120 additions and 40 deletions
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77
src/Mod/Path/PathScripts/post/grbl_post.py
View File

@@ -22,16 +22,36 @@
#***************************************************************************/
'''
Generate g-code compatible with grbl from a Path.
TOOLTIP='''
Generate g-code from a Path that is compatible with the grbl controller.
import grbl_post
grbl_post.export(object,"/path/to/file.ncc")
'''
import FreeCAD
import PathScripts.PostUtils as PostUtils
import argparse
import datetime
import shlex
now = datetime.datetime.now()
from PathScripts import PostUtils
parser = argparse.ArgumentParser(prog='grbl', add_help=False)
parser.add_argument('--header', action='store_true', help='output headers (default)')
parser.add_argument('--no-header', action='store_true', help='suppress header output')
parser.add_argument('--comments', action='store_true', help='output comment (default)')
parser.add_argument('--no-comments', action='store_true', help='suppress comment output')
parser.add_argument('--line-numbers', action='store_true', help='prefix with line numbers')
parser.add_argument('--no-line-numbers', action='store_true', help='don\'t prefix with line numbers (default)')
parser.add_argument('--show-editor', action='store_true', help='pop up editor before writing output (default)')
parser.add_argument('--no-show-editor', action='store_true', help='don\'t pop up editor before writing output')
parser.add_argument('--precision', default='4', help='number of digits of precision, default=4')
parser.add_argument('--preamble', help='set commands to be issued before the first command, default="G17\nG90"')
parser.add_argument('--postamble', help='set commands to be issued after the last command, default="M05\nG17 G90\n; M2"')
TOOLTIP_ARGS=parser.format_help()
#These globals set common customization preferences
OUTPUT_COMMENTS = True
@@ -48,6 +68,7 @@ UNITS = "G21" #G21 for metric, G20 for us standard
MACHINE_NAME = "GRBL"
CORNER_MIN = {'x':0, 'y':0, 'z':0 }
CORNER_MAX = {'x':500, 'y':300, 'z':300 }
PRECISION = 4
RAPID_MOVES = ['G0', 'G00']
@@ -57,7 +78,6 @@ PREAMBLE = '''G17 G90
#Postamble text will appear following the last operation.
POSTAMBLE = '''M5
G00 X-1.0 Y1.0
G17 G90
; M2
'''
@@ -80,8 +100,50 @@ if open.__module__ == '__builtin__':
pythonopen = open
def export(objectslist,filename,args):
def processArguments(argstring):
global OUTPUT_HEADER
global OUTPUT_COMMENTS
global OUTPUT_LINE_NUMBERS
global SHOW_EDITOR
global PRECISION
global PREAMBLE
global POSTAMBLE
try:
args = parser.parse_args(shlex.split(argstring))
if args.no_header:
OUTPUT_HEADER = False
if args.header:
OUTPUT_HEADER = True
if args.no_comments:
OUTPUT_COMMENTS = False
if args.comments:
OUTPUT_COMMENTS = True
if args.no_line_numbers:
OUTPUT_LINE_NUMBERS = False
if args.line_numbers:
OUTPUT_LINE_NUMBERS = True
if args.no_show_editor:
SHOW_EDITOR = False
if args.show_editor:
SHOW_EDITOR = True
print("Show editor = %d" % SHOW_EDITOR)
PRECISION = args.precision
if args.preamble is not None:
PREAMBLE = args.preamble
if args.postamble is not None:
POSTAMBLE = args.postamble
except:
return False
return True
def export(objectslist,filename,argstring):
if not processArguments(argstring):
return None
global UNITS
for obj in objectslist:
if not hasattr(obj,"Path"):
print "the object " + obj.Name + " is not a path. Please select only path and Compounds."
@@ -139,7 +201,7 @@ def export(objectslist,filename,args):
for line in POSTAMBLE.splitlines(True):
gcode += linenumber() + line
if SHOW_EDITOR:
if FreeCAD.GuiUp and SHOW_EDITOR:
dia = PostUtils.GCodeEditorDialog()
dia.editor.setText(gcode)
result = dia.exec_()
@@ -167,6 +229,7 @@ def linenumber():
def parse(pathobj):
out = ""
lastcommand = None
precision_string = '.' + str(PRECISION) +'f'
#params = ['X','Y','Z','A','B','I','J','K','F','S'] #This list control the order of parameters
params = ['X','Y','Z','A','B','I','J','F','S','T','Q','R','L'] #linuxcnc doesn't want K properties on XY plane Arcs need work.
@@ -202,7 +265,7 @@ def parse(pathobj):
elif param == 'T':
outstring.append(param + str(c.Parameters['T']))
else:
outstring.append(param + format(c.Parameters[param], '.4f'))
outstring.append(param + format(c.Parameters[param], precision_string))
# store the latest command
lastcommand = command

83
src/Mod/Path/PathScripts/post/linuxcnc_post.py
View File

@@ -33,30 +33,36 @@ import linuxcnc_post
linuxcnc_post.export(object,"/path/to/file.ncc","")
'''
TOOLTIP_ARGS='''
Arguments for linuxcnc:
--header,--no-header ... output headers (--header)
--comments,--no-comments ... output comments (--comments)
--line-numbers,--no-line-numbers ... prefix with line numbers (--no-lin-numbers)
--show-editor, --no-show-editor ... pop up editor before writing output(--show-editor)
--output-precision=4 ... number of digits of precision. Default=4
'''
import FreeCAD
from FreeCAD import Units
import argparse
import datetime
import shlex
from PathScripts import PostUtils
from PathScripts import PathUtils
now = datetime.datetime.now()
parser = argparse.ArgumentParser(prog='linuxcnc', add_help=False)
parser.add_argument('--header', action='store_true', help='output headers (default)')
parser.add_argument('--no-header', action='store_true', help='suppress header output')
parser.add_argument('--comments', action='store_true', help='output comment (default)')
parser.add_argument('--no-comments', action='store_true', help='suppress comment output')
parser.add_argument('--line-numbers', action='store_true', help='prefix with line numbers')
parser.add_argument('--no-line-numbers', action='store_true', help='don\'t prefix with line numbers (default)')
parser.add_argument('--show-editor', action='store_true', help='pop up editor before writing output (default)')
parser.add_argument('--no-show-editor', action='store_true', help='don\'t pop up editor before writing output')
parser.add_argument('--precision', default='4', help='number of digits of precision, default=4')
parser.add_argument('--preamble', help='set commands to be issued before the first command, default="G17\nG90"')
parser.add_argument('--postamble', help='set commands to be issued after the last command, default="M05\nG17 G90\nM2"')
TOOLTIP_ARGS=parser.format_help()
# These globals set common customization preferences
OUTPUT_COMMENTS = True
OUTPUT_HEADER = True
OUTPUT_LINE_NUMBERS = False
if FreeCAD.GuiUp:
SHOW_EDITOR = True
else:
SHOW_EDITOR = False
SHOW_EDITOR = True
MODAL = False # if true commands are suppressed if the same as previous line.
COMMAND_SPACE = " "
LINENR = 100 # line number starting value
@@ -75,7 +81,6 @@ PREAMBLE = '''G17 G90
# Postamble text will appear following the last operation.
POSTAMBLE = '''M05
G00 X-1.0 Y1.0
G17 G90
M2
'''
@@ -101,36 +106,48 @@ def processArguments(argstring):
global OUTPUT_LINE_NUMBERS
global SHOW_EDITOR
global PRECISION
global PREAMBLE
global POSTAMBLE
for arg in argstring.split():
if arg == '--header':
OUTPUT_HEADER = True
elif arg == '--no-header':
try:
args = parser.parse_args(shlex.split(argstring))
if args.no_header:
OUTPUT_HEADER = False
elif arg == '--comments':
OUTPUT_COMMENTS = True
elif arg == '--no-comments':
if args.header:
OUTPUT_HEADER = True
if args.no_comments:
OUTPUT_COMMENTS = False
elif arg == '--line-numbers':
OUTPUT_LINE_NUMBERS = True
elif arg == '--no-line-numbers':
if args.comments:
OUTPUT_COMMENTS = True
if args.no_line_numbers:
OUTPUT_LINE_NUMBERS = False
elif arg == '--show-editor':
SHOW_EDITOR = True
elif arg == '--no-show-editor':
if args.line_numbers:
OUTPUT_LINE_NUMBERS = True
if args.no_show_editor:
SHOW_EDITOR = False
elif arg.split('=')[0] == '--output-precision':
PRECISION = arg.split('=')[1]
if args.show_editor:
SHOW_EDITOR = True
print("Show editor = %d" % SHOW_EDITOR)
PRECISION = args.precision
if args.preamble is not None:
PREAMBLE = args.preamble
if args.postamble is not None:
POSTAMBLE = args.postamble
except:
return False
return True
def export(objectslist, filename, argstring):
processArguments(argstring)
if not processArguments(argstring):
return None
global UNITS
global UNIT_FORMAT
for obj in objectslist:
if not hasattr(obj, "Path"):
print("the object " + obj.Name + " is not a path. Please select only path and Compounds.")
return
return None
print("postprocessing...")
gcode = ""
@@ -144,8 +161,8 @@ def export(objectslist, filename, argstring):
# Write the preamble
if OUTPUT_COMMENTS:
gcode += linenumber() + "(begin preamble)\n"
for line in PREAMBLE.splitlines(True):
gcode += linenumber() + line
for line in PREAMBLE.splitlines(False):
gcode += linenumber() + line + "\n"
gcode += linenumber() + UNITS + "\n"
for obj in objectslist:
@@ -188,7 +205,7 @@ def export(objectslist, filename, argstring):
for line in POSTAMBLE.splitlines(True):
gcode += linenumber() + line
if SHOW_EDITOR:
if FreeCAD.GuiUp and SHOW_EDITOR:
dia = PostUtils.GCodeEditorDialog()
dia.editor.setText(gcode)
result = dia.exec_()