trac 34547: unconditionally lazily import *_console and move the

imports to all_cmdline.py

src/sage/all_cmdline.py

@@ -18,3 +18,13 @@
 from sage.calculus.predefined import x
 
 sage.misc.session.init()
+
+from sage.misc.lazy_import import lazy_import
+
+for pkg in ['axiom', 'fricas', 'gap' , 'gap3', 'giac', 'gp',
+            'gnuplot', 'kash', 'magma', 'macaulay2', 'maple',
+            'mathematica', 'mathics', 'matlab',
+            'mupad', 'mwrank', 'octave', 'qepcad', 'singular',
+            'sage0', 'lie', 'r']:
+    lazy_import(f'sage.interfaces.{pkg}', f'{pkg}_console')
+lazy_import('sage.interfaces.maxima_abstract', 'maxima_console')

src/sage/interfaces/all.py

@@ -43,16 +43,3 @@
 lazy_import('sage.interfaces.read_data', 'read_data')
 lazy_import('sage.interfaces.scilab', 'scilab')
 lazy_import('sage.interfaces.tachyon', 'tachyon_rt')
-
-try:
-    from sage.repl.rich_output.display_manager import get_display_manager as _get_display_manager
-except ImportError:
-    pass
-else:
-    if _get_display_manager().is_in_terminal():
-        for pkg in ['axiom', 'fricas', 'gap' , 'gap3', 'giac', 'gp',
-                    'gnuplot', 'kash', 'magma', 'macaulay2', 'maple',
-                    'mathematica', 'mathics', 'matlab', 'maxima' ,
-                    'mupad', 'mwrank', 'octave', 'qepcad', 'singular',
-                    'sage0', 'lie', 'r']:
-            lazy_import(f'sage.interfaces.{pkg}', f'{pkg}_console')