AiiDA temp profile in shell and Jupyter-notebook

aiida/cmdline/commands/cmd_shell.py

@@ -14,13 +14,14 @@
 import click
 
 from aiida.cmdline.commands.cmd_verdi import verdi
-from aiida.cmdline.utils import decorators, echo
+from aiida.cmdline.utils import echo
 from aiida.cmdline.utils.shell import AVAILABLE_SHELLS, run_shell
 
 
 @verdi.command('shell')
-@decorators.with_dbenv()
+# @decorators.with_dbenv()
 @click.option('--plain', is_flag=True, help='Use a plain Python shell.')
+@click.option('--standalone', is_flag=True, help='Use the services-free standalone option.')
 @click.option(
     '--no-startup',
     is_flag=True,
@@ -32,14 +33,26 @@
     type=click.Choice(AVAILABLE_SHELLS.keys()),
     help='Specify an interactive interpreter interface.'
 )
-def shell(plain, no_startup, interface):
+def shell(plain, standalone, no_startup, interface):
     """Start a python shell with preloaded AiiDA environment."""
-
     try:
         if plain:
             # Don't bother loading IPython, because the user wants plain Python.
             raise ImportError
 
+        if standalone:
+            from aiida import get_profile, load_profile, manage
+            from aiida.storage.sqlite_temp import SqliteTempBackend
+            profile = get_profile()
+            if not profile or profile.name != 'standalone':
+                profile = SqliteTempBackend.create_profile(
+                    'standalone',
+                    options={'runner.poll.interval': 1},
+                )
+                load_profile(profile, allow_switch=True)
+                config = manage.get_config()
+                config.add_profile(profile)
+
         # If a non-plain python interpreter is requested, check that there is at least one type of shell available
         if not AVAILABLE_SHELLS:
             echo.echo_critical('No shells are available')

aiida/tools/ipython/ipython_magics.py

@@ -36,7 +36,7 @@
 import json
 import shlex
 
-from IPython import get_ipython, version_info  # type: ignore[attr-defined]
+from IPython import get_ipython, version_info
 from IPython.core import magic
 
 
@@ -136,11 +136,23 @@ def aiida(self, line='', local_ns=None):
         """
         # pylint: disable=unused-argument,attribute-defined-outside-init
         from aiida.cmdline.utils.shell import get_start_namespace
-        from aiida.manage.configuration import load_profile
+        from aiida.manage.configuration import get_config, load_profile
+        from aiida.storage.sqlite_temp import SqliteTempBackend
 
         self.is_warning = False
         lcontent = line.strip()
-        if lcontent:
+        if lcontent == 'standalone':
+            profile = SqliteTempBackend.create_profile(
+                'standalone', options={
+                    'warnings.development_version': False,
+                    'runner.poll.interval': 1
+                }, debug=False
+            )
+            config = get_config()
+            config.add_profile(profile)
+            config.set_default_profile(profile.name)
+            profile = load_profile(profile.name, allow_switch=True)
+        elif lcontent:
             profile = load_profile(lcontent)
         else:
             profile = load_profile()

docs/source/reference/command_line.rst

@@ -525,6 +525,7 @@ Below is a list with all available subcommands.
 
     Options:
       --plain                         Use a plain Python shell.
+      --standalone                    Use the services-free standalone option.
       --no-startup                    When using plain Python, ignore the PYTHONSTARTUP
                                       environment variable and ~/.pythonrc.py script.
       -i, --interface [ipython|bpython]