def start_autostarts():
global autostart_processlist, logger
autostarts = {}
sl = clixxIOProjectAutostarts()
for sp in sl.keys():
p = QProcess()
p.setWorkingDirectory(sl[sp]["directory"])
program = sl[sp]["command"]
arguments = sl[sp]["arguments"].split(' ')
logger.debug("Starting %s in %s with arguments %s" % (program,sl[sp]["directory"],arguments))
# Start the process running
autostart_processlist.append(p)
autostart_processlist[len(autostart_processlist)-1].start(program, arguments)
for p in range(0,len(autostart_processlist)-1):
logger.debug("PID=%d" % autostart_processlist[p].pid())
def asn2dataModel(*files):
''' Call asn1DataModel, including the Makefile.python and return
the imported module "name_of_dataview_asn.py"
From this module it is possible to create native Asn1scc instances of
ASN.1 data types, and to access to DV.py, which contains constants
such as the _PRESENT fields for choice selectors '''
assert len(files) > 0
# 1) Create a temporary directory for the output
tempdir = tempfile.mkdtemp()
sys.path.insert(0, tempdir)
# Use a unique name for the asn1 concatenated module
concat_prefix = str(uuid.uuid4()).replace('-', '_')
concat_path = os.path.join(tempdir, concat_prefix)
# 2) Concat all input files to the output directory
cat_bin = spawn.find_executable('cat')
args = list(files)
cat = QProcess()
LOG.debug(os.getcwd())
LOG.debug(cat_bin + ' ' + ' '.join(args))
cat.start(cat_bin, args)
merged = waitfor_qprocess(cat, 'Merge dataviews')
with open(concat_path + '.asn', 'wt') as merged_file:
merged_file.write(merged)
# 3) Run asn2dataModel
asn2dm_bin = spawn.find_executable('asn2dataModel')
args = ['-toPython', '-o', tempdir, concat_path + '.asn']
asn2dm = QProcess()
LOG.debug(os.getcwd())
LOG.debug(asn2dm_bin + ' ' + ' '.join(args))
asn2dm.start(asn2dm_bin, args)
waitfor_qprocess(asn2dm, 'DMT tool "asn2dataModel"')
# 4) call make -f Makefile.python to build the .so
make_bin = spawn.find_executable('make')
args = ['-f', 'Makefile.python']
make = QProcess()
make.setWorkingDirectory(tempdir)
LOG.debug(os.getcwd())
LOG.debug(make_bin + ' ' + ' '.join(args))
make.start(make_bin, args)
waitfor_qprocess(make, 'make -f Makefile.python')
if concat_prefix in ASN2DM.viewkeys():
# Re-import module if it was already loaded
asn1mod = ASN2DM[concat_prefix]
reload(asn1mod)
reload(asn1mod.DV)
import Stubs
reload(Stubs)
else:
asn1mod = importlib.import_module(concat_prefix + '_asn')
# force reload of modules in case of multiple calls
reload(asn1mod.DV)
import Stubs
reload(Stubs)
ASN2DM[concat_prefix] = asn1mod
sys.path.pop(0)
return asn1mod
class CfdConsoleProcess:
""" Class to run a console process asynchronously, printing output and
errors to the FreeCAD console and allowing clean termination in Linux
and Windows """
def __init__(self, finishedHook=None, stdoutHook=None, stderrHook=None):
self.process = QProcess()
self.finishedHook = finishedHook
self.stdoutHook = stdoutHook
self.stderrHook = stderrHook
self.process.finished.connect(self.finished)
self.process.readyReadStandardOutput.connect(self.readStdout)
self.process.readyReadStandardError.connect(self.readStderr)
self.print_next_error_lines = 0
self.print_next_error_file = False
def __del__(self):
self.terminate()
def start(self, cmd, env_vars=None, working_dir=None):
""" Start process and return immediately """
self.print_next_error_lines = 0
self.print_next_error_file = False
env = QtCore.QProcessEnvironment.systemEnvironment()
if env_vars:
for key in env_vars:
env.insert(key, env_vars[key])
self.process.setProcessEnvironment(env)
if working_dir:
self.process.setWorkingDirectory(working_dir)
if platform.system() == "Windows":
# Run through a wrapper process to allow clean termination
cmd = [
os.path.join(FreeCAD.getHomePath(), "bin", "python.exe"),
'-u', # Prevent python from buffering stdout
os.path.join(os.path.dirname(__file__), "WindowsRunWrapper.py")
] + cmd
print("Raw command: ", cmd)
self.process.start(cmd[0], cmd[1:])
def terminate(self):
if platform.system() == "Windows":
# terminate() doesn't operate and kill() doesn't allow cleanup and leaves mpi processes running
# Instead, instruct wrapper program to kill child process and itself cleanly with ctrl-break signal
self.process.write(b"terminate\n")
self.process.waitForBytesWritten() # 'flush'
else:
self.process.terminate()
self.process.waitForFinished()
def finished(self, exit_code):
if self.finishedHook:
self.finishedHook(exit_code)
def readStdout(self):
# Ensure only complete lines are passed on
text = ""
while self.process.canReadLine():
byteArr = self.process.readLine()
text += QTextStream(byteArr).readAll()
if text:
print(text, end='') # Avoid displaying on FreeCAD status bar
if self.stdoutHook:
self.stdoutHook(text)
# Must be at the end as it can cause re-entrance
if FreeCAD.GuiUp:
FreeCAD.Gui.updateGui()
def readStderr(self):
# Ensure only complete lines are passed on
# Print any error output to console
self.process.setReadChannel(QProcess.StandardError)
text = ""
while self.process.canReadLine():
byteArr = self.process.readLine()
text += QTextStream(byteArr).readAll()
if text:
if self.stderrHook:
self.stderrHook(text)
FreeCAD.Console.PrintError(text)
# Must be at the end as it can cause re-entrance
if FreeCAD.GuiUp:
FreeCAD.Gui.updateGui()
self.process.setReadChannel(QProcess.StandardOutput)
def state(self):
return self.process.state()
def waitForStarted(self):
return self.process.waitForStarted()
def waitForFinished(self):
# For some reason waitForFinished doesn't always return - so we resort to a failsafe timeout:
while True:
ret = self.process.waitForFinished(1000)
if self.process.error() != self.process.Timedout:
self.readStdout()
self.readStderr()
return ret
if self.process.state() == self.process.NotRunning:
self.readStdout()
self.readStderr()
return True
def exitCode(self):
return self.process.exitCode()
def processErrorOutput(self, err):
"""
Process standard error text output from OpenFOAM
:param err: Standard error output, single or multiple lines
:return: A message to be printed on console, or None
"""
ret = ""
errlines = err.split('\n')
for errline in errlines:
if len(errline) > 0: # Ignore blanks
if self.print_next_error_lines > 0:
ret += errline + "\n"
self.print_next_error_lines -= 1
if self.print_next_error_file and "file:" in errline:
ret += errline + "\n"
self.print_next_error_file = False
words = errline.split(' ',
1) # Split off first field for parallel
FATAL = "--> FOAM FATAL ERROR"
FATALIO = "--> FOAM FATAL IO ERROR"
if errline.startswith(FATAL) or (len(words) > 1 and
words[1].startswith(FATAL)):
self.print_next_error_lines = 1
ret += "OpenFOAM fatal error:\n"
elif errline.startswith(FATALIO) or (
len(words) > 1 and words[1].startswith(FATALIO)):
self.print_next_error_lines = 1
self.print_next_error_file = True
ret += "OpenFOAM IO error:\n"
if len(ret) > 0:
return ret
else:
return None
