Fix issue launching with --nodebug. Fixes #745

ptvsd/_vendored/pydevd/pydevd.py

@@ -1018,6 +1018,7 @@ def run(self, file, globals=None, locals=None, is_module=False, set_trace=True):
             if os.path.isfile(new_target):
                 file = new_target
 
+        m = None
         if globals is None:
             m = save_main_module(file, 'pydevd')
             globals = m.__dict__
@@ -1029,27 +1030,28 @@ def run(self, file, globals=None, locals=None, is_module=False, set_trace=True):
         if locals is None:
             locals = globals
 
+        # Predefined (writable) attributes: __name__ is the module's name;
+        # __doc__ is the module's documentation string, or None if unavailable;
+        # __file__ is the pathname of the file from which the module was loaded,
+        # if it was loaded from a file. The __file__ attribute is not present for
+        # C modules that are statically linked into the interpreter; for extension modules
+        # loaded dynamically from a shared library, it is the pathname of the shared library file.
+
+
+        # I think this is an ugly hack, bug it works (seems to) for the bug that says that sys.path should be the same in
+        # debug and run.
+        if sys.path[0] != '' and m is not None and m.__file__.startswith(sys.path[0]):
+            # print >> sys.stderr, 'Deleting: ', sys.path[0]
+            del sys.path[0]
+
+        if not is_module:
+            # now, the local directory has to be added to the pythonpath
+            # sys.path.insert(0, os.getcwd())
+            # Changed: it's not the local directory, but the directory of the file launched
+            # The file being run must be in the pythonpath (even if it was not before)
+            sys.path.insert(0, os.path.split(rPath(file))[0])
+
         if set_trace:
-            # Predefined (writable) attributes: __name__ is the module's name;
-            # __doc__ is the module's documentation string, or None if unavailable;
-            # __file__ is the pathname of the file from which the module was loaded,
-            # if it was loaded from a file. The __file__ attribute is not present for
-            # C modules that are statically linked into the interpreter; for extension modules
-            # loaded dynamically from a shared library, it is the pathname of the shared library file.
-
-
-            # I think this is an ugly hack, bug it works (seems to) for the bug that says that sys.path should be the same in
-            # debug and run.
-            if sys.path[0] != '' and m.__file__.startswith(sys.path[0]):
-                # print >> sys.stderr, 'Deleting: ', sys.path[0]
-                del sys.path[0]
-
-            if not is_module:
-                # now, the local directory has to be added to the pythonpath
-                # sys.path.insert(0, os.getcwd())
-                # Changed: it's not the local directory, but the directory of the file launched
-                # The file being run must be in the pythonpath (even if it was not before)
-                sys.path.insert(0, os.path.split(rPath(file))[0])
 
             while not self.ready_to_run:
                 time.sleep(0.1)  # busy wait until we receive run command

ptvsd/_vendored/pydevd/tests_python/resources/launch/foo/__main__.py

@@ -0,0 +1,2 @@
+import bar
+print('Worked')

ptvsd/_vendored/pydevd/tests_python/test_run.py

@@ -0,0 +1,35 @@
+pytest_plugins = [
+    str('_pytest.pytester'),
+]
+
+def _run_and_check(testdir, path):
+    result = testdir.runpython(path)
+    result.stdout.fnmatch_lines([
+        'Worked'
+    ])
+
+def test_run(testdir):
+    from tests_python import debugger_unittest
+    from os.path import os
+
+    foo_dir = debugger_unittest._get_debugger_test_file(os.path.join('resources', 'launch', 'foo'))
+    pydevd_dir = os.path.dirname(os.path.dirname(__file__))
+    assert os.path.exists(os.path.join(pydevd_dir, 'pydevd.py'))
+
+    _run_and_check(testdir, testdir.makepyfile('''
+import sys
+sys.path.append(%(pydevd_dir)r)
+import pydevd
+py_db = pydevd.PyDB()
+py_db.ready_to_run = True
+py_db.run(%(foo_dir)r)
+''' % locals()))
+
+    _run_and_check(testdir, testdir.makepyfile('''
+import sys
+sys.path.append(%(pydevd_dir)r)
+import pydevd
+py_db = pydevd.PyDB()
+py_db.run(%(foo_dir)r, set_trace=False)
+''' % locals()))
+