Fix off_screen testing open_gui (#264)

* remove off_screen arg

* running AATT prior to surface meshing for display

* added surface cache

* fixed open_gui

* version bump to 0.43.2

Author: akaszynski

pyansys/_version.py

@@ -1,5 +1,5 @@
 # major, minor, patch
-version_info = 0, 43, 1
+version_info = 0, 43, 2
 
 # Nice string for the version
 __version__ = '.'.join(map(str, version_info))

pyansys/launcher.py

@@ -1,14 +1,11 @@
 """Module for launching MAPDL locally."""
 from glob import glob
-import time
-import subprocess
 import re
 import warnings
 import os
 import appdirs
 import tempfile
 import socket
-import pexpect
 
 from pyansys.misc import is_float, random_string
 from pyansys.errors import LockFileException, VersionError
@@ -209,114 +206,6 @@ def check_lock_file(path, jobname, override):
                                         'running at "%s"' % path)
 
 
-
-def launch_corba(exec_file=None, run_location=None, jobname=None, nproc=None,
-                 additional_switches='', start_timeout=60):
-    """Start MAPDL in AAS mode
-
-
-    Notes
-    -----
-    The CORBA interface is likely to fail on computers with multiple
-    network adapters.  The ANSYS RPC isn't smart enough to determine
-    the right adapter and will likely try to communicate on the wrong
-    IP.
-    """
-    # Using stored parameters so launch command can be run from a
-    # cached state (when launching the GUI)
-
-    # can't run /BATCH in windows, so we trick it using "-b" and
-    # provide a dummy input file
-    if os.name == 'nt':
-        # must be a random filename to avoid conflicts with other
-        # potential instances
-        tmp_file = '%s.inp' % random_string(10)
-        with open(os.path.join(run_location, tmp_file), 'w') as f:
-            f.write('FINISH')
-        additional_switches += ' -b -i %s -o out.txt' % tmp_file
-
-    # command must include "aas" flag to start MAPDL server
-    command = '"%s" -aas -j %s -np %d %s' % (exec_file,
-                                             jobname,
-                                             nproc,
-                                             additional_switches)
-
-    # if os.name == 'nt':  # required after v190
-    #     command = 'START /B "MAPDL" %s' % command
-
-    # remove any broadcast files
-    broadcast_file = os.path.join(run_location, 'mapdl_broadcasts.txt')
-    if os.path.isfile(broadcast_file):
-        os.remove(broadcast_file)
-
-    # windows 7 won't run this
-    # if os.name == 'nt' and platform.release() == '7':
-    #     cwd = os.getcwd()
-    #     os.chdir(run_location)
-    #     os.system('START /B "MAPDL" %s' % command)
-    #     os.chdir(cwd)
-    # else:
-    subprocess.Popen(command, shell=True,
-                     cwd=run_location,
-                     stdin=subprocess.DEVNULL,
-                     stdout=subprocess.DEVNULL,
-                     stderr=subprocess.DEVNULL)
-
-    # listen for broadcast file
-    telapsed = 0
-    tstart = time.time()
-    started_rpc = False
-    while telapsed < start_timeout and not started_rpc:
-        try:
-            if os.path.isfile(broadcast_file):
-                broadcast = open(broadcast_file).read()
-                # see if connection to RPC has been made
-                rpc_txt = 'visited:collaborativecosolverunitior-set:'
-                started_rpc = rpc_txt in broadcast
-
-            time.sleep(0.1)
-            telapsed = time.time() - tstart
-
-        except KeyboardInterrupt:
-            raise KeyboardInterrupt
-
-    # exit if timed out
-    if not started_rpc:
-        err_str = 'Unable to start ANSYS within %.1f seconds' % start_timeout
-        if os.path.isfile(broadcast_file):
-            broadcast = open(broadcast_file).read()
-            err_str += '\n\nLast broadcast:\n%s' % broadcast
-        raise TimeoutError(err_str)
-
-    # return CORBA key
-    keyfile = os.path.join(run_location, 'aaS_MapdlId.txt')
-    return open(keyfile).read()
-
-
-def launch_pexpect(exec_file=None, run_location=None, jobname=None, nproc=None,
-                   additional_switches='', start_timeout=60):
-    """Launch MAPDL as a pexpect process.
-
-    Limited to only a linux instance
-    """
-    command = '%s -j %s -np %d %s' % (exec_file, jobname, nproc,
-                                      additional_switches)
-    process = pexpect.spawn(command, cwd=run_location)
-    process.delaybeforesend = None
-
-    try:
-        index = process.expect(['BEGIN:', 'CONTINUE'],
-                               timeout=start_timeout)
-    except:  # capture failure
-        raise RuntimeError(process.before.decode('utf-8'))
-
-    if index:  # received ... press enter to continue
-        process.sendline('')
-        process.expect('BEGIN:', timeout=start_timeout)
-
-    return process
-
-
 def launch_mapdl(exec_file=None, run_location=None, mode=None, jobname='file',
                  nproc=2, override=False, loglevel='INFO',
                  additional_switches='', start_timeout=120,
@@ -632,16 +521,12 @@ def launch_mapdl(exec_file=None, run_location=None, mode=None, jobname='file',
 
     if mode == 'console':
         from pyansys.mapdl_console import MapdlConsole
-        process = launch_pexpect(**start_parm)
-        return MapdlConsole(process, loglevel=loglevel,
-                            log_apdl=log_apdl, **start_parm)
+        return MapdlConsole(loglevel=loglevel, log_apdl=log_apdl, **start_parm)
     elif mode == 'corba':
         from pyansys.mapdl_corba import MapdlCorba
-        corba_key = launch_corba(**start_parm)
-        return MapdlCorba(corba_key, loglevel=loglevel,
-                          log_apdl=log_apdl,
-                          log_broadcast=kwargs.get('log_broadcast', False),
-                          **start_parm)
+        return MapdlCorba(loglevel=loglevel, log_apdl=log_apdl,
+                          log_broadcast=kwargs.get('log_broadcast',
+                                                   False), **start_parm)
     else:
         raise ValueError('Invalid mode %s' % mode)
 
@@ -663,12 +548,6 @@ def check_mode(mode, version):
         if mode == 'corba':
             if version < 170:
                 raise VersionError('CORBA AAS mode requires MAPDL v17.0 or newer.')
-            # elif version > 20.1 and os.name == 'nt':
-            #     raise ValueError('CORBA AAS mode on Windows requires MAPDL 2020R1'
-            #                      ' or earlier.')
-            # elif version >= 20.0 and os.name == 'posix':
-            #     raise ValueError('CORBA AAS mode on Linux requires MAPDL 2019R3'
-            #                      ' or earlier.')
 
         elif mode == 'console' and is_win:
             raise ValueError('Console mode requires Linux')

pyansys/mapdl.py

@@ -19,7 +19,7 @@
 from pyansys.element_commands import element_commands
 from pyansys.errors import MapdlRuntimeError, MapdlInvalidRoutineError
 from pyansys.plotting import general_plotter
-
+from pyansys.launcher import get_ansys_path
 
 MATPLOTLIB_LOADED = True
 try:
@@ -459,22 +459,24 @@ def open_gui(self, include_result=True):  # pragma: no cover
         if os.path.isfile(tmp_database):
             os.remove(tmp_database)
 
-        # get the state, close, and finish
+        # cache result file, version, and routine before closing
+        resultfile = self._result_file
+        version = self.version
         prior_processor = self.parameters.routine
+
+        # get the close, and finish
         self.finish()
         self.save(tmp_database)
-        # self.exit(close_log=False)
         self.exit()
 
         # copy result file to temp directory
         if include_result:
-            resultfile = os.path.join(self.path, '%s.rst' % self.jobname)
             if os.path.isfile(resultfile):
                 tmp_resultfile = os.path.join(save_path, '%s.rst' % name)
                 copyfile(resultfile, tmp_resultfile)
 
         # write temporary input file
-        start_file = os.path.join(save_path, 'start%s.ans' % self.version)
+        start_file = os.path.join(save_path, 'start%s.ans' % version)
         with open(start_file, 'w') as f:
             f.write('RESUME\n')
 
@@ -486,22 +488,25 @@ def open_gui(self, include_result=True):  # pragma: no cover
         # issue system command to run ansys in GUI mode
         cwd = os.getcwd()
         os.chdir(save_path)
-        os.system('cd "%s" && "%s" -g -j %s' % (save_path,
-                                                self._start_parm['exec_file'],
-                                                name))
+        exec_file = self._start_parm.get('exec_file',
+                                         get_ansys_path(allow_input=False))
+        os.system('cd "%s" && "%s" -g -j %s' % (save_path, exec_file, name))
         os.chdir(cwd)
 
         # must remove the start file when finished
         os.remove(start_file)
         os.remove(other_start_file)
 
-        # reload database when finished
-        # self._launch()  # TODO
+        # reattach to a new session and reload database
+        self._launch(self._start_parm)
         self.resume(tmp_database)
         if prior_processor is not None:
             if 'BEGIN' not in prior_processor:
                 self.run('/%s' % prior_processor)
 
+    def _launch(self, *args, **kwargs):  # pragma: no cover
+        raise NotImplementedError('Implemented by child class')
+
     def _close_apdl_log(self):
         """Closes the APDL log"""
         if self._apdl_log is not None:
@@ -1047,6 +1052,20 @@ def result(self):
         if not self._local:
             raise RuntimeError('Binary interface only available when result is local.')
 
+        result_path = self._result_file
+        if not os.path.isfile(result_path):
+            raise FileNotFoundError('No results found at %s' % result_path)
+        return pyansys.read_binary(result_path)
+
+    @property
+    def _result_file(self):
+        """Path of the result file
+
+        Notes
+        -----
+        There may be multiple result files at this location (if not
+        combining results)
+        """
         try:
             result_path = self.inquire('RSTFILE')
         except RuntimeError:
@@ -1056,12 +1075,7 @@ def result(self):
             result_path = os.path.join(self.path, '%s.rst' % self._jobname)
         elif not os.path.dirname(result_path):
             result_path = os.path.join(self.path, '%s.rst' % result_path)
-
-        # there may be multiple result files at this location (if not
-        # combining results)
-        if not os.path.isfile(result_path):
-            raise FileNotFoundError('No results found at %s' % result_path)
-        return pyansys.read_binary(result_path)
+        return result_path
 
     def _get(self, *args, **kwargs):
         """Simply use the default get method"""
@@ -1332,7 +1346,7 @@ def read_float_from_inline_function(self, function_str):
 
         Returns
         -------
-        float
+        value : float
             Value returned by inline function.
 
         Examples

pyansys/mapdl_console.py

@@ -2,6 +2,7 @@
 
 Used when launching Mapdl via pexpect on Linux when <= 17.0
 """
+import pexpect
 import time
 import re
 
@@ -41,26 +42,50 @@
 ignored = re.compile(r'[\s\S]+'.join(['WARNING', 'command', 'ignored']))
 
 
+def launch_pexpect(exec_file=None, run_location=None, jobname=None, nproc=None,
+                   additional_switches='', start_timeout=60):
+    """Launch MAPDL as a pexpect process.
+
+    Limited to only a linux instance
+    """
+    command = '%s -j %s -np %d %s' % (exec_file, jobname, nproc,
+                                      additional_switches)
+    process = pexpect.spawn(command, cwd=run_location)
+    process.delaybeforesend = None
+
+    try:
+        index = process.expect(['BEGIN:', 'CONTINUE'],
+                               timeout=start_timeout)
+    except:  # capture failure
+        raise RuntimeError(process.before.decode('utf-8'))
+
+    if index:  # received ... press enter to continue
+        process.sendline('')
+        process.expect('BEGIN:', timeout=start_timeout)
+
+    return process
+
+
 class MapdlConsole(_MapdlCore):
     """Control interaction with an ANSYS shell instance.
 
     Only works on Linux.
-
-    Parameters
-    ----------
-    process : pexpect 
-
     """
 
-    def __init__(self, process, loglevel='INFO', log_apdl='w',
-                 use_vtk=True, **start_parm):
+    def __init__(self, loglevel='INFO', log_apdl='w', use_vtk=True,
+                 **start_parm):
         """Opens an ANSYS process using pexpect"""
         self._auto_continue = True
         self._continue_on_error = False
-        self._process = process
+        self._process = None
+        self._launch(start_parm)
         super().__init__(loglevel=loglevel, use_vtk=use_vtk, log_apdl=log_apdl,
                          **start_parm)
 
+    def _launch(self, start_parm):
+        """Connect to MAPDL process using pexpect"""
+        self._process = launch_pexpect(**start_parm)
+
     def _run(self, command):
         """Sends command and returns ANSYS's response"""
         self._reset_cache()