Merge pull request #1214 from teojgo/bugfix/interactive_crash

[bugfix] Fix crash when creating a regression test interactively

Author: Vasileios Karakasis

reframe/core/pipeline.py

@@ -670,7 +670,10 @@ def __new__(cls, *args, **kwargs):
         try:
             prefix = cls._rfm_custom_prefix
         except AttributeError:
-            prefix = os.path.abspath(os.path.dirname(inspect.getfile(cls)))
+            if os_ext.is_interactive():
+                prefix = os.getcwd()
+            else:
+                prefix = os.path.abspath(os.path.dirname(inspect.getfile(cls)))
 
         obj._rfm_init(name, prefix)
         return obj

reframe/utility/os_ext.py

@@ -227,6 +227,11 @@ def inpath(entry, pathvar):
     return entry in set(pathvar.split(':'))
 
 
+def is_interactive():
+    '''Returns whether the given Python session is interactive'''
+    return hasattr(sys, 'ps1') or sys.flags.interactive
+
+
 def subdirs(dirname, recurse=False):
     '''Returns a list of dirname + its subdirectories. If recurse is True,
     recursion is performed in pre-order.'''

unittests/test_utility.py

@@ -173,6 +173,17 @@ def test_samefile(self):
                                os.path.join(prefix, 'broken1'))
         shutil.rmtree(prefix)
 
+    # FIXME: This should be changed in order to use the `monkeypatch`
+    # fixture of `pytest` instead of creating an instance of `MonkeyPatch`
+    def test_is_interactive(self):
+        from _pytest.monkeypatch import MonkeyPatch  # noqa: F401, F403
+
+        monkey = MonkeyPatch()
+        with monkey.context() as c:
+            # Set `sys.ps1` to immitate an interactive session
+            c.setattr(sys, 'ps1', 'rfm>>> ', raising=False)
+            assert os_ext.is_interactive()
+
     def test_is_url(self):
         repo_https = 'https://github.com/eth-cscs/reframe.git'
         repo_ssh = '[email protected]:eth-cscs/reframe.git'