356 lines
12 KiB
Python
356 lines
12 KiB
Python
|
# GCode metadata extraction utility
|
||
|
|
#
|
||
|
|
# Copyright (C) 2020 Eric Callahan <arksine.code@gmail.com>
|
||
|
|
#
|
||
|
|
# This file may be distributed under the terms of the GNU GPLv3 license.
|
||
|
|
|
||
|
|
import json
|
||
|
|
import argparse
|
||
|
|
import re
|
||
|
|
import os
|
||
|
|
import sys
|
||
|
|
import time
|
||
|
|
|
||
|
|
# regex helpers
|
||
|
|
def _regex_find_floats(pattern, data, strict=False):
|
||
|
|
# If strict is enabled, pattern requires a floating point
|
||
|
|
# value, otherwise it can be an integer value
|
||
|
|
fptrn = r'\d+\.\d*' if strict else r'\d+\.?\d*'
|
||
|
|
matches = re.findall(pattern, data)
|
||
|
|
if matches:
|
||
|
|
# return the maximum height value found
|
||
|
|
try:
|
||
|
|
return [float(h) for h in re.findall(
|
||
|
|
fptrn, " ".join(matches))]
|
||
|
|
except Exception:
|
||
|
|
pass
|
||
|
|
return []
|
||
|
|
|
||
|
|
def _regex_find_ints(pattern, data):
|
||
|
|
matches = re.findall(pattern, data)
|
||
|
|
if matches:
|
||
|
|
# return the maximum height value found
|
||
|
|
try:
|
||
|
|
return [int(h) for h in re.findall(
|
||
|
|
r'\d+', " ".join(matches))]
|
||
|
|
except Exception:
|
||
|
|
pass
|
||
|
|
return []
|
||
|
|
|
||
|
|
# Slicer parsing implementations
|
||
|
|
class BaseSlicer(object):
|
||
|
|
def __init__(self, name, id_pattern):
|
||
|
|
self.name = name
|
||
|
|
self.id_pattern = id_pattern
|
||
|
|
self.header_data = self.footer_data = self.log = None
|
||
|
|
|
||
|
|
def set_data(self, header_data, footer_data, log):
|
||
|
|
self.header_data = header_data
|
||
|
|
self.footer_data = footer_data
|
||
|
|
self.log = log
|
||
|
|
|
||
|
|
def get_name(self):
|
||
|
|
return self.name
|
||
|
|
|
||
|
|
def get_id_pattern(self):
|
||
|
|
return self.id_pattern
|
||
|
|
|
||
|
|
def _parse_min_float(self, pattern, data):
|
||
|
|
result = _regex_find_floats(pattern, data)
|
||
|
|
if result:
|
||
|
|
return min(result)
|
||
|
|
else:
|
||
|
|
return None
|
||
|
|
|
||
|
|
def _parse_max_float(self, pattern, data):
|
||
|
|
result = _regex_find_floats(pattern, data)
|
||
|
|
if result:
|
||
|
|
return max(result)
|
||
|
|
else:
|
||
|
|
return None
|
||
|
|
|
||
|
|
class PrusaSlicer(BaseSlicer):
|
||
|
|
def __init__(self, name="PrusaSlicer", id_pattern=r"PrusaSlicer\s.*\son"):
|
||
|
|
super(PrusaSlicer, self).__init__(name, id_pattern)
|
||
|
|
|
||
|
|
def parse_first_layer_height(self):
|
||
|
|
return self._parse_min_float(
|
||
|
|
r"; first_layer_height =.*", self.footer_data)
|
||
|
|
|
||
|
|
def parse_layer_height(self):
|
||
|
|
return self._parse_min_float(r"; layer_height =.*", self.footer_data)
|
||
|
|
|
||
|
|
def parse_object_height(self):
|
||
|
|
return self._parse_max_float(r"G1\sZ\d+\.\d*\sF", self.footer_data)
|
||
|
|
|
||
|
|
def parse_filament_total(self):
|
||
|
|
return self._parse_max_float(
|
||
|
|
r"filament\sused\s\[mm\]\s=\s\d+\.\d*", self.footer_data)
|
||
|
|
|
||
|
|
def parse_estimated_time(self):
|
||
|
|
time_matches = re.findall(
|
||
|
|
r';\sestimated\sprinting\stime.*', self.footer_data)
|
||
|
|
if not time_matches:
|
||
|
|
return None
|
||
|
|
total_time = 0
|
||
|
|
time_match = time_matches[0]
|
||
|
|
time_patterns = [(r"\d+h", 60*60), (r"\d+m", 60), (r"\d+s", 1)]
|
||
|
|
for pattern, multiplier in time_patterns:
|
||
|
|
t = _regex_find_ints(pattern, time_match)
|
||
|
|
if t:
|
||
|
|
total_time += max(t) * multiplier
|
||
|
|
return round(total_time, 2)
|
||
|
|
|
||
|
|
def parse_thumbnails(self):
|
||
|
|
thumb_matches = re.findall(
|
||
|
|
r"; thumbnail begin[;/\+=\w\s]+?; thumbnail end", self.header_data)
|
||
|
|
if not thumb_matches:
|
||
|
|
return None
|
||
|
|
parsed_matches = []
|
||
|
|
for match in thumb_matches:
|
||
|
|
lines = re.split(r"\r?\n", match.replace('; ', ''))
|
||
|
|
info = _regex_find_ints(r".*", lines[0])
|
||
|
|
data = "".join(lines[1:-1])
|
||
|
|
if len(info) != 3:
|
||
|
|
self.log.append(
|
||
|
|
{'MetadataError': "Error parsing thumbnail header: %s"
|
||
|
|
% (lines[0])})
|
||
|
|
continue
|
||
|
|
if len(data) != info[2]:
|
||
|
|
self.log.append(
|
||
|
|
{'MetadataError': "Thumbnail Size Mismatch: detected %d, "
|
||
|
|
"actual %d" % (info[2], len(data))})
|
||
|
|
continue
|
||
|
|
parsed_matches.append({
|
||
|
|
'width': info[0], 'height': info[1],
|
||
|
|
'size': info[2], 'data': data})
|
||
|
|
|
||
|
|
return parsed_matches
|
||
|
|
|
||
|
|
class Slic3rPE(PrusaSlicer):
|
||
|
|
def __init__(self, name="Slic3r PE",
|
||
|
|
id_pattern=r"Slic3r\sPrusa\sEdition\s.*\son"):
|
||
|
|
super(Slic3rPE, self).__init__(name, id_pattern)
|
||
|
|
|
||
|
|
def parse_filament_total(self):
|
||
|
|
return self._parse_max_float(
|
||
|
|
r"filament\sused\s=\s\d+\.\d+mm", self.footer_data)
|
||
|
|
|
||
|
|
def parse_thumbnails(self):
|
||
|
|
return None
|
||
|
|
|
||
|
|
class Slic3r(Slic3rPE):
|
||
|
|
def __init__(self, name="Slic3r", id_pattern=r"Slic3r\s\d.*\son"):
|
||
|
|
super(Slic3r, self).__init__(name, id_pattern)
|
||
|
|
|
||
|
|
def parse_estimated_time(self):
|
||
|
|
return None
|
||
|
|
|
||
|
|
class SuperSlicer(PrusaSlicer):
|
||
|
|
def __init__(self, name="SuperSlicer", id_pattern=r"SuperSlicer\s.*\son"):
|
||
|
|
super(SuperSlicer, self).__init__(name, id_pattern)
|
||
|
|
|
||
|
|
class Cura(BaseSlicer):
|
||
|
|
def __init__(self, name="Cura", id_pattern=r"Cura_SteamEngine.*"):
|
||
|
|
super(Cura, self).__init__(name, id_pattern)
|
||
|
|
|
||
|
|
def parse_first_layer_height(self):
|
||
|
|
return self._parse_min_float(r";MINZ:.*", self.header_data)
|
||
|
|
|
||
|
|
def parse_layer_height(self):
|
||
|
|
return self._parse_min_float(r";Layer\sheight:.*", self.header_data)
|
||
|
|
|
||
|
|
def parse_object_height(self):
|
||
|
|
return self._parse_max_float(r";MAXZ:.*", self.header_data)
|
||
|
|
|
||
|
|
def parse_filament_total(self):
|
||
|
|
filament = self._parse_max_float(
|
||
|
|
r";Filament\sused:.*", self.header_data)
|
||
|
|
if filament is not None:
|
||
|
|
filament *= 1000
|
||
|
|
return filament
|
||
|
|
|
||
|
|
def parse_estimated_time(self):
|
||
|
|
return self._parse_max_float(r";TIME:.*", self.header_data)
|
||
|
|
|
||
|
|
def parse_thumbnails(self):
|
||
|
|
return None
|
||
|
|
|
||
|
|
class Simplify3D(BaseSlicer):
|
||
|
|
def __init__(self, name="Simplify3D", id_pattern=r"Simplify3D\(R\)"):
|
||
|
|
super(Simplify3D, self).__init__(name, id_pattern)
|
||
|
|
|
||
|
|
def parse_first_layer_height(self):
|
||
|
|
return self._parse_min_float(r"G1\sZ\d+\.\d*", self.header_data)
|
||
|
|
|
||
|
|
def parse_layer_height(self):
|
||
|
|
return self._parse_min_float(r";\s+layerHeight,.*", self.header_data)
|
||
|
|
|
||
|
|
def parse_object_height(self):
|
||
|
|
return self._parse_max_float(r"G1\sZ\d+\.\d*", self.footer_data)
|
||
|
|
|
||
|
|
def parse_filament_total(self):
|
||
|
|
return self._parse_max_float(
|
||
|
|
r";\s+Filament\slength:.*mm", self.footer_data)
|
||
|
|
|
||
|
|
def parse_estimated_time(self):
|
||
|
|
time_matches = re.findall(
|
||
|
|
r';\s+Build time:.*', self.footer_data)
|
||
|
|
if not time_matches:
|
||
|
|
return None
|
||
|
|
total_time = 0
|
||
|
|
time_match = time_matches[0]
|
||
|
|
time_patterns = [(r"\d+\shours", 60*60), (r"\d+\smin", 60),
|
||
|
|
(r"\d+\ssec", 1)]
|
||
|
|
for pattern, multiplier in time_patterns:
|
||
|
|
t = _regex_find_ints(pattern, time_match)
|
||
|
|
if t:
|
||
|
|
total_time += max(t) * multiplier
|
||
|
|
return round(total_time, 2)
|
||
|
|
|
||
|
|
def parse_thumbnails(self):
|
||
|
|
return None
|
||
|
|
|
||
|
|
class KISSlicer(BaseSlicer):
|
||
|
|
def __init__(self, name="KISSlicer", id_pattern=r";\sKISSlicer"):
|
||
|
|
super(KISSlicer, self).__init__(name, id_pattern)
|
||
|
|
|
||
|
|
def parse_first_layer_height(self):
|
||
|
|
return self._parse_min_float(
|
||
|
|
r";\s+first_layer_thickness_mm\s=\s\d.*", self.header_data)
|
||
|
|
|
||
|
|
def parse_layer_height(self):
|
||
|
|
return self._parse_min_float(
|
||
|
|
r";\s+max_layer_thickness_mm\s=\s\d.*", self.header_data)
|
||
|
|
|
||
|
|
def parse_object_height(self):
|
||
|
|
return self._parse_max_float(
|
||
|
|
r";\sEND_LAYER_OBJECT\sz.*", self.footer_data)
|
||
|
|
|
||
|
|
def parse_filament_total(self):
|
||
|
|
filament = _regex_find_floats(
|
||
|
|
r";\s+Ext\s.*mm", self.footer_data, strict=True)
|
||
|
|
if filament:
|
||
|
|
return sum(filament)
|
||
|
|
return None
|
||
|
|
|
||
|
|
def parse_estimated_time(self):
|
||
|
|
time = self._parse_max_float(
|
||
|
|
r";\sCalculated.*Build\sTime:.*", self.footer_data)
|
||
|
|
if time is not None:
|
||
|
|
time *= 60
|
||
|
|
return round(time, 2)
|
||
|
|
|
||
|
|
def parse_thumbnails(self):
|
||
|
|
return None
|
||
|
|
|
||
|
|
class IdeaMaker(BaseSlicer):
|
||
|
|
def __init__(self, name="IdeaMaker", id_pattern=r"\sideaMaker\s.*,",):
|
||
|
|
super(IdeaMaker, self).__init__(name, id_pattern)
|
||
|
|
|
||
|
|
def parse_first_layer_height(self):
|
||
|
|
layer_info = _regex_find_floats(
|
||
|
|
r";LAYER:0\s*.*\s*;HEIGHT.*", self.header_data)
|
||
|
|
if len(layer_info) >= 3:
|
||
|
|
return layer_info[2]
|
||
|
|
return None
|
||
|
|
|
||
|
|
def parse_layer_height(self):
|
||
|
|
layer_info = _regex_find_floats(
|
||
|
|
r";LAYER:1\s*.*\s*;HEIGHT.*", self.header_data)
|
||
|
|
if len(layer_info) >= 3:
|
||
|
|
return layer_info[2]
|
||
|
|
return None
|
||
|
|
|
||
|
|
def parse_object_height(self):
|
||
|
|
bounds = _regex_find_floats(
|
||
|
|
r";Bounding Box:.*", self.footer_data)
|
||
|
|
if len(bounds) >= 6:
|
||
|
|
return bounds[5]
|
||
|
|
return None
|
||
|
|
|
||
|
|
def parse_filament_total(self):
|
||
|
|
filament = _regex_find_floats(
|
||
|
|
r";Material.\d\sUsed:.*", self.header_data, strict=True)
|
||
|
|
if filament:
|
||
|
|
return sum(filament)
|
||
|
|
return None
|
||
|
|
|
||
|
|
def parse_estimated_time(self):
|
||
|
|
return self._parse_max_float(r";Print\sTime:.*", self.footer_data)
|
||
|
|
|
||
|
|
def parse_thumbnails(self):
|
||
|
|
return None
|
||
|
|
|
||
|
|
|
||
|
|
READ_SIZE = 512 * 1024
|
||
|
|
SUPPORTED_SLICERS = [
|
||
|
|
PrusaSlicer, Slic3rPE, Slic3r, SuperSlicer,
|
||
|
|
Cura, Simplify3D, KISSlicer, IdeaMaker]
|
||
|
|
SUPPORTED_DATA = [
|
||
|
|
'first_layer_height', 'layer_height', 'object_height',
|
||
|
|
'filament_total', 'estimated_time', 'thumbnails']
|
||
|
|
|
||
|
|
|
||
|
|
def main(path, filename):
|
||
|
|
file_path = os.path.join(path, filename)
|
||
|
|
slicers = [s() for s in SUPPORTED_SLICERS]
|
||
|
|
log = []
|
||
|
|
metadata = {}
|
||
|
|
if not os.path.isfile(file_path):
|
||
|
|
log.append("File Not Found: %s" % (file_path))
|
||
|
|
else:
|
||
|
|
header_data = footer_data = slicer = None
|
||
|
|
size = os.path.getsize(file_path)
|
||
|
|
metadata['size'] = size
|
||
|
|
metadata['modified'] = time.ctime(os.path.getmtime(file_path))
|
||
|
|
with open(file_path, 'r') as f:
|
||
|
|
# read the default size, which should be enough to
|
||
|
|
# identify the slicer
|
||
|
|
header_data = f.read(READ_SIZE)
|
||
|
|
for s in slicers:
|
||
|
|
if re.search(s.get_id_pattern(), header_data) is not None:
|
||
|
|
slicer = s
|
||
|
|
break
|
||
|
|
if slicer is not None:
|
||
|
|
metadata['slicer'] = slicer.get_name()
|
||
|
|
if size > READ_SIZE * 2:
|
||
|
|
f.seek(size - READ_SIZE)
|
||
|
|
footer_data = f.read()
|
||
|
|
elif size > READ_SIZE:
|
||
|
|
remaining = size - READ_SIZE
|
||
|
|
footer_data = header_data[remaining - READ_SIZE:] + f.read()
|
||
|
|
else:
|
||
|
|
footer_data = header_data
|
||
|
|
slicer.set_data(header_data, footer_data, log)
|
||
|
|
for key in SUPPORTED_DATA:
|
||
|
|
func = getattr(slicer, "parse_" + key)
|
||
|
|
result = func()
|
||
|
|
if result is not None:
|
||
|
|
metadata[key] = result
|
||
|
|
fd = sys.stdout.fileno()
|
||
|
|
data = json.dumps(
|
||
|
|
{'file': filename, 'log': log, 'metadata': metadata}).encode()
|
||
|
|
while data:
|
||
|
|
try:
|
||
|
|
ret = os.write(fd, data)
|
||
|
|
except OSError:
|
||
|
|
continue
|
||
|
|
data = data[ret:]
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
# Parse start arguments
|
||
|
|
parser = argparse.ArgumentParser(
|
||
|
|
description="GCode Metadata Extraction Utility")
|
||
|
|
parser.add_argument(
|
||
|
|
"-f", "--filename", metavar='<filename>',
|
||
|
|
help="name gcode file to parse")
|
||
|
|
parser.add_argument(
|
||
|
|
"-p", "--path", default=os.path.abspath(os.path.dirname(__file__)),
|
||
|
|
metavar='<path>',
|
||
|
|
help="optional absolute path for file"
|
||
|
|
)
|
||
|
|
args = parser.parse_args()
|
||
|
|
main(args.path, args.filename)
|