IPython/utils/_process_emscripten.py: New

IPython/utils/_process_emscripten.py

@@ -0,0 +1,12 b''
+def system(cmd):
+    raise OSError("Not available")
+
+def getoutput(cmd):
+    raise OSError("Not available")
+
+def check_pid(cmd):
+    raise OSError("Not available")
+
+def arg_split(s, posix=False, strict=True):
+    """This one could be made to work but it's not clear if it would be useful..."""
+    raise OSError("Not available")

IPython/utils/process.py

@@ -15,6 +15,8 b" if sys.platform == 'win32':"
     from ._process_win32 import system, getoutput, arg_split, check_pid
 elif sys.platform == 'cli':
     from ._process_cli import system, getoutput, arg_split, check_pid
+elif sys.platform == "emscripten":
+    from ._process_emscripten import system, getoutput, arg_split, check_pid
 else:
     from ._process_posix import system, getoutput, arg_split, check_pid