kopia lustrzana https://github.com/vilemduha/blendercam
226 wiersze
8.6 KiB
Python
226 wiersze
8.6 KiB
Python
################################################################################
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# iso_read.py
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#
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# Simple ISO NC code parsing
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#
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# Hirutso Enni, 2009-01-13
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from . import nclathe_read as nc
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import re
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import sys
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################################################################################
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class Parser(nc.Parser):
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def __init__(self, writer):
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nc.Parser.__init__(self, writer)
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self.pattern_main = re.compile('([(!;].*|\s+|[a-zA-Z0-9_:](?:[+-])?\d*(?:\.\d*)?|\w\#\d+|\(.*?\)|\#\d+\=(?:[+-])?\d*(?:\.\d*)?)')
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#if ( or ! or ; at least one space or a letter followed by some character or not followed by a +/- followed by decimal, with a possible decimal point
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# followed by a possible deimcal, or a letter followed by # with a decimal . deimcal
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# add your character here > [(!;] for comments char
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# then look for the 'comment' function towards the end of the file and add another elif
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def Parse(self, name, oname=None):
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self.files_open(name,oname)
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#self.begin_ncblock()
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#self.begin_path(None)
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#self.add_line(z=500)
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#self.end_path()
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#self.end_ncblock()
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path_col = None
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f = None
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arc = 0
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uw = 0
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while (self.readline()):
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a = None
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b = None
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c = None
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#f = None
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i = None
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j = None
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k = None
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p = None
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q = None
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r = None
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s = None
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x = None
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y = None
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z = None
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u = None
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w = None
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self.begin_ncblock()
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move = False
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#arc = 0
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#path_col = None
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drill = False
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no_move = False
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words = self.pattern_main.findall(self.line)
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for word in words:
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col = None
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cdata = False
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if (word[0] == 'A' or word[0] == 'a'):
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col = "axis"
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a = eval(word[1:])
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move = True
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elif (word[0] == 'B' or word[0] == 'b'):
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col = "axis"
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b = eval(word[1:])
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move = True
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elif (word[0] == 'C' or word[0] == 'c'):
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col = "axis"
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c = eval(word[1:])
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move = True
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elif (word[0] == 'F' or word[0] == 'f'):
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col = "axis"
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f = eval(word[1:])
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move = True
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elif (word == 'G0' or word == 'G00' or word == 'g0' or word == 'g00'):
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path_col = "rapid"
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col = "rapid"
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arc = 0
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elif (word == 'G1' or word == 'G01' or word == 'g1' or word == 'g01'):
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path_col = "feed"
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col = "feed"
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arc = 0
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elif (word == 'G2' or word == 'G02' or word == 'g2' or word == 'g02' or word == 'G12' or word == 'g12'):
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path_col = "feed"
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col = "feed"
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arc = -1
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elif (word == 'G3' or word == 'G03' or word == 'g3' or word == 'g03' or word == 'G13' or word == 'g13'):
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path_col = "feed"
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col = "feed"
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arc = +1
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elif (word == 'G10' or word == 'g10'):
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no_move = True
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elif (word == 'L1' or word == 'l1'):
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no_move = True
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elif (word == 'G20' or word == 'G70'):
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col = "prep"
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self.set_mode(units=25.4)
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elif (word == 'G21' or word == 'G71'):
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col = "prep"
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self.set_mode(units=1.0)
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elif (word == 'G81' or word == 'g81'):
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drill = True
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no_move = True
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path_col = "feed"
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col = "feed"
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elif (word == 'G82' or word == 'g82'):
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drill = True;
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no_move = True
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path_col = "feed"
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col = "feed"
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elif (word == 'G83' or word == 'g83'):
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drill = True
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no_move = True
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path_col = "feed"
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col = "feed"
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elif (word == 'G90' or word == 'g90'):
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self.absolute()
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elif (word == 'G91' or word == 'g91'):
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self.incremental()
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elif (word[0] == 'G') : col = "prep"
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elif (word[0] == 'I' or word[0] == 'i'):
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col = "axis"
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i = eval(word[1:])
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move = True
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elif (word[0] == 'J' or word[0] == 'j'):
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col = "axis"
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j = eval(word[1:])
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move = True
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elif (word[0] == 'K' or word[0] == 'k'):
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col = "axis"
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k = eval(word[1:])
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move = True
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elif (word[0] == 'M') : col = "misc"
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elif (word[0] == 'N') : col = "blocknum"
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elif (word[0] == 'O') : col = "program"
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elif (word[0] == 'P' or word[0] == 'p'):
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col = "axis"
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p = eval(word[1:])
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move = True
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elif (word[0] == 'Q' or word[0] == 'q'):
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col = "axis"
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q = eval(word[1:])
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move = True
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elif (word[0] == 'R' or word[0] == 'r'):
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col = "axis"
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r = eval(word[1:])
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move = True
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elif (word[0] == 'S' or word[0] == 's'):
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col = "axis"
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s = eval(word[1:])
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move = True
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elif (word[0] == 'T') :
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col = "tool"
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self.set_tool( eval(word[1:]) )
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elif (word[0] == 'X' or word[0] == 'x'):
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col = "axis"
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x = eval(word[1:])
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move = True
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elif (word[0] == 'Y' or word[0] == 'y'):
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col = "axis"
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y = eval(word[1:])
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move = True
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elif (word[0] == 'U' or word[0] == 'u'):
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col = "axis"
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u = eval(word[1:])
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move = True
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uw=1
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elif (word[0] == 'W' or word[0] == 'w'):
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col = "axis"
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w = eval(word[1:])
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move = True
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uw=1
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elif (word[0] == 'Z' or word[0] == 'z'):
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col = "axis"
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z = eval(word[1:])
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move = True
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elif (word[0] == '(') : (col, cdata) = ("comment", True)
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elif (word[0] == '!') : (col, cdata) = ("comment", True)
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elif (word[0] == ';') : (col, cdata) = ("comment", True)
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elif (word[0] == '#') : col = "variable"
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elif (word[0] == ':') : col = "blocknum"
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elif (ord(word[0]) <= 32) : cdata = True
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self.add_text(word, col, cdata)
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if (drill):
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self.begin_path("rapid")
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self.add_line(x, y, r)
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self.end_path()
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self.begin_path("feed")
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self.add_line(x, y, z)
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self.end_path()
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self.begin_path("feed")
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self.add_line(x, y, r)
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self.end_path()
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else:
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if (move and not no_move):
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self.begin_path(path_col)
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if (arc==-1):
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self.add_arc(x, y, z, i, j, k, r, arc)
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elif (arc==1):
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#self.add_arc(x, y, z, i, j, k, -r, arc) #if you want to use arcs with R values uncomment the first part of this line and comment the next one
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self.add_arc(x, y, z, i, j, k, r, arc)
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#else : self.add_line(x, y, z, a, b, c)
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elif(uw==1):
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self.add_lathe_increment_line(u,w)
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else : self.add_line(x, y, z, a, b, c)
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self.end_path()
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self.end_ncblock()
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self.files_close()
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