@@ -7,6 +7,20 @@ use Application
 
   @impl true
   def start(_type, _args) do
+    # Start :inets application - needed by Pythonx
+    :ok = Application.ensure_started(:inets)
+
+    # Configure Pythonx environment variables
+    # Point to Python executable found via SSH
+    System.put_env("PYTHONX_PYTHON_PATH", "/usr/bin/python3")
+    # Use a directory with write permissions - changed from /tmp/pythonx_cache to /tmp
+    System.put_env("PYTHONX_CACHE_DIR", "/tmp")
+    # Disable download of binaries (use system Python)
+    System.put_env("PYTHONX_SKIP_DOWNLOAD", "true")
+
+    # Create cache directory with proper permissions
+    File.mkdir_p!("/tmp/pythonx_venv")
+
     # Create the ETS table for Reddit links
     :ets.new(:reddit_links, [:named_table, :ordered_set, :public, read_concurrency: true])
 

This file has been deleted in this commit.

@@ -1,13 +1,41 @@
 defmodule BlogWeb.UserSocket do
   use Phoenix.Socket
 
-  channel "skeet:*", BlogWeb.SkeetChannel
+  # A Socket handler
+  #
+  # It's possible to control the websocket connection and
+  # assign values that can be accessed by your channel topics.
+
+  ## Channels
+  channel "fireworks", BlogWeb.FireworkChannel
 
+  # Socket params are passed from the client and can
+  # be used to verify and authenticate a user. After
+  # verification, you can put default assigns into
+  # the socket that will be set for all channels, ie
+  #
+  #     {:ok, assign(socket, :user_id, verified_user_id)}
+  #
+  # To deny connection, return `:error` or `{:error, term}`. To control the
+  # response the client receives in that case, use `{:error, :reason, response}`
+  #
+  # See `Phoenix.Token` documentation for examples in
+  # performing token verification on connect.
   @impl true
   def connect(_params, socket, _connect_info) do
     {:ok, socket}
   end
 
+  # Socket id's are topics that allow you to identify all sockets for a given user:
+  #
+  #     def id(socket), do: "user_socket:#{socket.assigns.user_id}"
+  #
+  # Would allow you to broadcast a "disconnect" event and terminate
+  # all active sockets and channels for a given user:
+  #
+  #     Elixir.BlogWeb.Endpoint.broadcast("user_socket:#{user.id}", "disconnect", %{})
+  #
+  # Returning `nil` makes this socket anonymous.
   @impl true
   def id(_socket), do: nil
 end

This file has been deleted in this commit.

@@ -31,6 +31,7 @@ live "/emoji-skeets", EmojiSkeetsLive, :index
     live "/allowed-chats", AllowedChatsLive, :index
     live "/hacker-news", HackerNewsLive, :index
     live "/python", PythonLive.Index, :index
+    live "/python-demo", PythonDemoLive, :index
   end
 
   # Other scopes may use custom stacks.

@@ -21,7 +21,7 @@ # Type `mix help compile.app` for more information.
   def application do
     [
       mod: {Blog.Application, []},
-      extra_applications: [:logger, :runtime_tools, :inet]
+      extra_applications: [:logger, :runtime_tools, :inets]
     ]
   end