add ipython

Makefile

@@ -80,6 +80,11 @@ bat:
 	mkdir -p ~/.config/bat
 	ln -s $(PWD)/sub/bat/config ~/.config/bat/config
 
+ipython:
+	test -d ~/.ipython || \
+	mkdir -p ~/.ipython/profile_default
+	ln -s $(PWD)/sub/ipython/ipython_config.py ~/.ipython/profile_default/ipython_config.py
+
 font:
 	mkdir -p ~/.local/share/fonts
 	cd ~/.local/share/fonts

sub/ipython/ipython_config.py

@@ -0,0 +1,57 @@
+from IPython.terminal.prompts import Prompts, Token
+import subprocess
+from pathlib import Path
+import os
+from platform import python_version
+
+
+def get_branch():
+    try:
+        return " (" + (
+            subprocess.check_output(
+                "git branch --show-current", shell=True, stderr=subprocess.DEVNULL
+            )
+            .decode("utf-8")
+            .replace("\n", "")
+        ) + ")"
+    except BaseException:
+        return ""
+
+
+class CustomPrompt(Prompts):
+
+    def in_prompt_tokens(self, cli=None):
+        return [
+            (Token, "\n┌──("),
+            (Token.Name.Class, os.getlogin()),
+            (Token.Prompt, "@"),
+            (Token.Name.Class, "ipython v" + python_version()),
+            (Token, ")-["),
+            (Token.OutPrompt, os.getcwd()),
+            (Token, "]"),
+            (Token.Generic.Subheading, get_branch()),
+            (Token, " "),
+            (Token, "\n└─"),
+            (
+                Token.Prompt
+                if self.shell.last_execution_succeeded
+                else Token.Generic.Error,
+                "λ ",
+            ),
+        ]
+
+    def out_prompt_tokens(self, cli=None):
+        return [(Token.Prompt, ''), ]
+
+    def continuation_prompt_tokens(self, cli=None, width=None):
+        return [(Token.Prompt, ''), ]
+
+
+c = get_config()
+
+c.TerminalInteractiveShell.prompts_class = CustomPrompt
+c.TerminalInteractiveShell.separate_in = ''
+c.TerminalInteractiveShell.confirm_exit = False
+c.TerminalIPythonApp.display_banner = False
+
+q = exit