add option to prevent config wizard starting every time xonsh is run

xonsh/wizard.py

@@ -214,7 +214,7 @@ class StateFile(Input):
 
     attrs = ('default_file', 'check')
 
-    def __init__(self, default_file=None, check=True):
+    def __init__(self, default_file=None, check=True, ask=True):
         """
         Parameters
         ----------
@@ -224,10 +224,14 @@ class StateFile(Input):
             Whether to print the current state and ask if it should be
             saved/loaded prior to asking for the file name and saving the
             file, default=True.
+        ask : bool, optional
+            Whether to ask for the filename (if ``False``, always use the
+            default filename)
         """
         self._df = None
         super().__init__(prompt='filename: ', converter=None,
                          confirm=False, path=None)
+        self.ask_filename = ask
         self.default_file = default_file
         self.check = check
 
@@ -604,7 +608,9 @@ class PromptVisitor(StateVisitor):
             do_save = self.visit(asker)
             if not do_save:
                 return Unstorable
-        fname = self.visit_input(node)
+        fname = None
+        if node.ask_filename:
+            fname = self.visit_input(node)
         if fname is None or len(fname) == 0:
             fname = node.default_file
         if os.path.isfile(fname):

xonsh/xonfig.py

@@ -1,4 +1,5 @@
 """The xonsh configuration (xonfig) utility."""
+import os
 import ast
 import json
 import shutil
@@ -20,7 +21,8 @@ from xonsh.environ import is_template_string
 from xonsh.shell import (is_readline_available, is_prompt_toolkit_available,
     prompt_toolkit_version)
 from xonsh.wizard import (Wizard, Pass, Message, Save, Load, YesNo, Input,
-    PromptVisitor, While, StoreNonEmpty, create_truefalse_cond, YN, Unstorable)
+    PromptVisitor, While, StoreNonEmpty, create_truefalse_cond, YN, Unstorable,
+    Question)
 from xonsh.xontribs import xontrib_metadata, find_xontrib
 
 
@@ -274,8 +276,13 @@ def make_wizard(default_file=None, confirm=False):
             Message(message=WIZARD_TAIL),
             ])
     if confirm:
-        q = 'Would you like to run the xonsh configuration wizard now, ' + YN
-        wiz = YesNo(question=q, yes=wiz, no=Pass())
+        q = ("Would you like to run the xonsh configuration wizard now?\n\n"
+             "1. Yes\n2. No, but ask me later.\n3. No, and don't ask me again."
+             "\n\n1, 2, or 3 [default: 2]? ")
+        passer = Pass()
+        saver = Save(check=False, ask=False, default_file=default_file)
+        wiz = Question(q, {1: wiz, 2: Pass(), 3: saver},
+                       converter=lambda x: int(x.strip()) if x !='' else 2)
     return wiz