MCAD-Library/openscad_utils.py

56 lines
1.7 KiB
Python

import py, re, os, signal, time
from subprocess import Popen, PIPE
mod_re = (r"\bmodule\s+(", r")\s*\(\s*")
func_re = (r"\bfunction\s+(", r")\s*\(")
def extract_definitions(fpath, name_re=r"\w+", def_re=""):
regex = name_re.join(def_re)
matcher = re.compile(regex)
return (m.group(1) for m in matcher.finditer(fpath.read()))
def extract_mod_names(fpath, name_re=r"\w+"):
return extract_definitions(fpath, name_re=name_re, def_re=mod_re)
def extract_func_names(fpath, name_re=r"\w+"):
return extract_definitions(fpath, name_re=name_re, def_re=func_re)
def collect_test_modules(dirpath=None):
dirpath = dirpath or py.path.local("./")
print "Collecting openscad test module names"
test_files = {}
for fpath in dirpath.visit('*.scad'):
#print fpath
modules = extract_mod_names(fpath, r"test\w*")
#functions = extract_func_names(fpath, r"test\w*")
test_files[fpath] = modules
return test_files
class Timeout(Exception): pass
def call_openscad(path, stlpath, timeout=1):
try:
command = ['openscad', '-s', str(stlpath), str(path)]
print command
proc = Popen(command,
stdout=PIPE, stderr=PIPE, close_fds=True)
calltime = time.time()
time.sleep(0.01)
#print calltime
while True:
if proc.poll() is not None:
break
time.sleep(0.5)
#print time.time()
if time.time() > calltime + timeout:
raise Timeout()
finally:
try:
proc.terminate()
proc.kill()
except OSError:
pass
return (proc.returncode,) + proc.communicate()