add ability to ignore errors (#342)

Author: akaszynski

ansys/mapdl/core/_version.py

@@ -1,7 +1,7 @@
 """Version of ansys-mapdl-core module."""
 
 # major, minor, patch
-version_info = 0, 57, 4
+version_info = 0, 57, 5
 
 # Nice string for the version
 __version__ = '.'.join(map(str, version_info))

ansys/mapdl/core/mapdl.py

@@ -124,6 +124,7 @@ def __init__(self, loglevel='DEBUG', use_vtk=True, log_apdl=False, local=True,
         self._vget_arr_counter = 0
         self._start_parm = start_parm
         self._path = start_parm.get('run_location', None)
+        self._ignore_errors = False
 
         self._log = setup_logger(loglevel.upper())
         self._log.debug('Logging set to %s', loglevel)
@@ -1765,9 +1766,15 @@ def run(self, command, write_to_log=True, **kwargs):
                 text += '\n\nIgnore these messages by setting allow_ignore=True'
                 raise MapdlInvalidRoutineError(text)
 
-        if '*** ERROR ***' in self._response:  # flag error
-            self._log.error(self._response)
-            raise MapdlRuntimeError(self._response)
+        # flag error
+        if '*** ERROR ***' in self._response and not self._ignore_errors:
+            # remove "is turning inside out" as this allows the
+            # solution to continue
+            sub = re.sub(r'(\*\*\* ERROR \*\*\*).*[\r\n]+.*is turning inside out.',
+                         '', self._response)
+            if '*** ERROR ***' in sub:
+                self._log.error(self._response)
+                raise MapdlRuntimeError(self._response)
 
         # special returns for certain geometry commands
         short_cmd = parse_to_short_cmd(command)
@@ -1782,6 +1789,20 @@ def run(self, command, write_to_log=True, **kwargs):
 
         return self._response
 
+    @property
+    def ignore_errors(self):
+        """Flag to ignore MAPDL errors.
+
+        Normally, any string containing "*** ERROR ***" from MAPDL
+        will trigger a ``MapdlRuntimeError``.  Set this to ``True`` to
+        ignore these errors.
+        """
+        return self._ignore_errors
+
+    @ignore_errors.setter
+    def ignore_errors(self, value):
+        self._ignore_errors = bool(value)
+
     # @supress_logging
     def load_table(self, name, array, var1='', var2='', var3=''):
         """Load a table from Python to MAPDL

tests/test_mapdl.py

@@ -194,11 +194,24 @@ def test_al(cleared, mapdl):
     assert a0 == 1
 
 
-def test_invalid_area(mapdl):
+def test_error(mapdl):
     with pytest.raises(MapdlRuntimeError):
         mapdl.a(0, 0, 0, 0)
 
 
+def test_ignore_error(mapdl):
+    assert not mapdl.ignore_errors
+    mapdl.ignore_errors = True
+    assert mapdl.ignore_errors is True
+
+    # verify that an error is not raised
+    out = mapdl._run('A, 0, 0, 0')
+    assert '*** ERROR ***' in out
+
+    mapdl.ignore_error = False
+    assert mapdl.ignore_error is False
+
+
 def test_invalid_input(mapdl):
     with pytest.raises(FileNotFoundError):
         mapdl.input('thisisnotafile')