host: Fix gf shell not being able to access globals inside user defin…

…ed functions

host/greatfet/commands/greatfet_shell.py

@@ -66,12 +66,15 @@ def main():
         singleton_text = "singleton " if args.singleton else ""
         print("A GreatFET {}object has been created for you as 'gf'. Have fun!\n".format(singleton_text))
 
+    # Mute annoying venv warning.
+    config = IPython.terminal.ipapp.load_default_config()
+    config.InteractiveShell.warn_venv = False
 
     # Create a new shell, and give it access to our created GreatFET object.
     if IPython.core.getipython.get_ipython() is None:
-        shell = IPython.terminal.embed.InteractiveShellEmbed.instance()
+        shell = IPython.terminal.interactiveshell.TerminalInteractiveShell.instance(config=config)
     else:
-        shell = IPython.terminal.embed.InteractiveShellEmbed()
+        shell = IPython.terminal.interactiveshell.TerminalInteractiveShell(config=config)
     shell.push('gf')
 
     # Create nice aliases for our primary interfaces.

host/pyproject.toml

@@ -32,12 +32,12 @@ dependencies = [
     "future",
     "pyfwup>=0.2",
     "tqdm",
-    "setuptools",    # cmsis_svd requires pkg_resources
+    "setuptools",     # cmsis_svd requires pkg_resources
     "cmsis_svd",
     "tabulate",
     "prompt_toolkit",
     "pygreat",
-    "ipython~=8.25",
+    "ipython~=8.12",  # final version supported by Python 3.8
 ]
 
 dynamic = ["version"]