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#!/usr/bin/python
import os,string,commands,sha,time,platform
plat = platform.system()
print plat
if plat == 'Linux':
openscad_com = 'openscad'
pathd = '/'
export_folder = 'generated'
sha_path = 'part_sha.txt'
if plat == 'Windows':
print 'Windows untested , please edit'
openscad_com = 'openscad.exe'
pathd = '\\'
export_folder = 'generated'
sha_path = 'part_sha.txt'
if plat == 'Darwin':
print 'Mac OSX untested, please edit'
openscad_com = '/Applications/OpenSCAD.app/Contents/MacOS/OpenSCAD'
pathd = '/'
export_folder = 'generated'
sha_path = 'part_sha.txt'
print 'Generate STL files for mendel'
print
## load sha sums
sha_dict = {}
try:
f = open(sha_path)
li = f.readlines()
f.close()
for i in li:
tmp = string.split(string.strip(i),',')
sha_dict[tmp[0]] = tmp[1]
except:
print 'no existing sums'
# make export folder
try:
os.stat(export_folder)
except:
os.mkdir(export_folder)
print 'make folder'
# scan for the files
scad_files = []
stl_files = []
li = os.listdir('./')
for i in li:
if i[-4:] == 'scad' :
scad_files.append(i)
if i[-3:] == 'inc' :
scad_files.append(i)
if i[-3:] == 'stl' :
stl_files.append(i)
#print scad_files
#print stl_files
stl_count = len(stl_files)
scad_count = len(scad_files)
total_count = stl_count + scad_count
print str(stl_count) + ' stl files'
print str(scad_count) + ' scad files'
print str(int(((scad_count/float(total_count))*100))) + '% finished '
print
def changed(file_name,digest):
if sha_dict.has_key(file_name):
if digest == sha_dict[file_name]:
return 0
else:
sha_dict[file_name] = digest
return 1
else:
sha_dict[file_name] = digest
return 1
def save_sums(sums):
# save the sha sums for next time.
f = open(sha_path,'w')
k = sums.keys()
for i in sums:
f.write(str(i)+','+str(sums[i]))
f.write('\n')
f.close()
total = 0
print 'Scad files:'
for i in scad_files:
f = open(i)
d = f.read()
f.close()
s = sha.sha(d)
if changed(i,s.hexdigest()):
print i + ' has changed'
root_name = i[:-4]
t = time.time()
command = openscad_com +' -s '+export_folder + pathd + root_name+'stl '+i
print i + ' building ... '
commands.getoutput(command)
save_sums(sha_dict)
after = time.time()
delta = after - t
print i + ' built in ' + str(int(delta)) + ' seconds'
print
total = total + delta
save_sums(sha_dict)
print 'STL files:'
for i in stl_files:
f = open(i)
d = f.read()
f.close()
s = sha.sha(d)
if changed(i,s.hexdigest()):
print i + ' has changed'
root_name = i[:-4]
f = open(export_folder + pathd + root_name+'.stl','w')
f.write(d)
f.close()
print
print "total time " + str(int(total)) + " seconds"
save_sums(sha_dict)
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