gh-40966: remove many deprecations in interfaces
    
After

File: src/sage/interfaces/axiom.py ; PR: #34804 ; Closed Date:
2023-01-05
File: src/sage/interfaces/expect.py ; PR: #34804 ; Closed Date:
2023-01-05
File: src/sage/interfaces/fricas.py ; PR: #34804 ; Closed Date:
2023-01-05
File: src/sage/interfaces/gap.py ; PR: #34823 ; Closed Date: 2022-12-14
File: src/sage/interfaces/gfan.py ; PR: #33468 ; Closed Date: 2022-04-10
File: src/sage/interfaces/gp.py ; PR: #34804 ; Closed Date: 2023-01-05
File: src/sage/interfaces/interface.py ; PR: #34804 ; Closed Date:
2023-01-05
File: src/sage/interfaces/kash.py ; PR: #34804 ; Closed Date: 2023-01-05
File: src/sage/interfaces/lie.py ; PR: #34804 ; Closed Date: 2023-01-05
File: src/sage/interfaces/lisp.py ; PR: #34804 ; Closed Date: 2023-01-05
File: src/sage/interfaces/macaulay2.py ; PR: #27848 ; Closed Date:
2019-06-27
File: src/sage/interfaces/macaulay2.py ; PR: #34804 ; Closed Date:
2023-01-05
File: src/sage/interfaces/magma.py ; PR: #34804 ; Closed Date:
2023-01-05
File: src/sage/interfaces/maxima.py ; PR: #34804 ; Closed Date:
2023-01-05
File: src/sage/interfaces/maxima_lib.py ; PR: #34804 ; Closed Date:
2023-01-05
File: src/sage/interfaces/r.py ; PR: #34804 ; Closed Date: 2023-01-05
File: src/sage/interfaces/singular.py ; PR: #33319 ; Closed Date:
2022-03-03
File: src/sage/interfaces/singular.py ; PR: #34804 ; Closed Date:
2023-01-05

### 📝 Checklist

- [x] The title is concise and informative.
- [x] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
    
URL: #40966
Reported by: Frédéric Chapoton
Reviewer(s): David Coudert

Author: Release Manager

src/sage/interfaces/axiom.py

@@ -955,26 +955,6 @@ def __init__(self, parent, name):
 AxiomExpectFunction = PanAxiomExpectFunction
 
 
-def is_AxiomElement(x):
-    """
-    Return ``True`` if ``x`` is of type :class:`AxiomElement`.
-
-    EXAMPLES::
-
-        sage: from sage.interfaces.axiom import is_AxiomElement
-        sage: is_AxiomElement(2)
-        doctest:...: DeprecationWarning: the function is_AxiomElement is deprecated; use isinstance(x, sage.interfaces.abc.AxiomElement) instead
-        See https://github.com/sagemath/sage/issues/34804 for details.
-        False
-        sage: is_AxiomElement(axiom(2))  # optional - axiom
-        True
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(34804, "the function is_AxiomElement is deprecated; use isinstance(x, sage.interfaces.abc.AxiomElement) instead")
-
-    return isinstance(x, AxiomElement)
-
-
 # Instances
 axiom = Axiom(name='axiom')
 
@@ -1011,5 +991,6 @@ def axiom_console():
     """
     from sage.repl.rich_output.display_manager import get_display_manager
     if not get_display_manager().is_in_terminal():
-        raise RuntimeError('Can use the console only in the terminal. Try %%axiom magics instead.')
+        raise RuntimeError('Can use the console only in the terminal. '
+                           'Try %%axiom magics instead.')
     os.system('axiom -nox')

src/sage/interfaces/expect.py

@@ -13,7 +13,8 @@
 - William Stein (2006-03-01): got rid of infinite loop on startup if
   client system missing
 
-- Felix Lawrence (2009-08-21): edited ._sage_() to support lists and float exponents in foreign notation.
+- Felix Lawrence (2009-08-21): edited ._sage_() to support
+  lists and float exponents in foreign notation.
 
 - Simon King (2010-09-25): Expect._local_tmpfile() depends on
   Expect.pid() and is cached; Expect.quit() clears that cache,
@@ -1474,27 +1475,6 @@ class FunctionElement(InterfaceFunctionElement):
     pass
 
 
-def is_ExpectElement(x):
-    """
-    Return ``True`` if ``x`` is of type :class:`ExpectElement`.
-
-    This function is deprecated; use :func:`isinstance`
-    (of :class:`sage.interfaces.abc.ExpectElement`) instead.
-
-    EXAMPLES::
-
-        sage: from sage.interfaces.expect import is_ExpectElement
-        sage: is_ExpectElement(2)
-        doctest:...: DeprecationWarning: the function is_ExpectElement is deprecated; use isinstance(x, sage.interfaces.abc.ExpectElement) instead
-        See https://github.com/sagemath/sage/issues/34804 for details.
-        False
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(34804, "the function is_ExpectElement is deprecated; use isinstance(x, sage.interfaces.abc.ExpectElement) instead")
-
-    return isinstance(x, ExpectElement)
-
-
 @instancedoc
 class ExpectElement(InterfaceElement, sage.interfaces.abc.ExpectElement):
     """

src/sage/interfaces/fricas.py

@@ -2110,26 +2110,6 @@ def __init__(self, parent, name):
         ExpectFunction.__init__(self, parent, name)
 
 
-def is_FriCASElement(x):
-    """
-    Return ``True`` if ``x`` is of type :class:`FriCASElement`.
-
-    EXAMPLES::
-
-        sage: from sage.interfaces.fricas import is_FriCASElement
-        sage: is_FriCASElement(2)
-        doctest:...: DeprecationWarning: the function is_FriCASElement is deprecated; use isinstance(x, sage.interfaces.abc.FriCASElement) instead
-        See https://github.com/sagemath/sage/issues/34804 for details.
-        False
-        sage: is_FriCASElement(fricas(2))
-        True
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(34804, "the function is_FriCASElement is deprecated; use isinstance(x, sage.interfaces.abc.FriCASElement) instead")
-
-    return isinstance(x, FriCASElement)
-
-
 fricas = FriCAS()
 
 

src/sage/interfaces/gap.py

@@ -158,7 +158,8 @@
     sage: gap.eval('GAPInfo.CommandLineOptions.s') # not tested
     '"42m"'
 
-After the GAP interface initialisation, setting :envvar:`SAGE_GAP_MEMORY` has no effect::
+After the GAP interface initialisation, setting :envvar:`SAGE_GAP_MEMORY`
+has no effect::
 
     sage: os.environ['SAGE_GAP_MEMORY'] = '24M'
     sage: gap.eval('GAPInfo.CommandLineOptions.s') # not tested
@@ -1635,28 +1636,6 @@ def _instancedoc_(self):
         return help
 
 
-def is_GapElement(x):
-    """
-    Return ``True`` if ``x`` is a :class:`GapElement`.
-
-    This function is deprecated; use :func:`isinstance`
-    (of :class:`sage.interfaces.abc.GapElement`) instead.
-
-    EXAMPLES::
-
-        sage: from sage.interfaces.gap import is_GapElement
-        sage: is_GapElement(gap(2))
-        doctest:...: DeprecationWarning: the function is_GapElement is deprecated; use isinstance(x, sage.interfaces.abc.GapElement) instead
-        See https://github.com/sagemath/sage/issues/34823 for details.
-        True
-        sage: is_GapElement(2)
-        False
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(34823, "the function is_GapElement is deprecated; use isinstance(x, sage.interfaces.abc.GapElement) instead")
-    return isinstance(x, GapElement)
-
-
 def gfq_gap_to_sage(x, F):
     """
     INPUT:

src/sage/interfaces/gfan.py

@@ -44,15 +44,12 @@
 
 from sage.features.gfan import GfanExecutable
 
-from sage.misc.decorators import rename_keyword
-
 
 class Gfan:
     """
     Interface to Anders Jensen's Groebner Fan program.
     """
-    @rename_keyword(deprecation=33468, I='input')
-    def __call__(self, input, cmd='', verbose=False, format=None):
+    def __call__(self, input, cmd='', verbose=False):
         r"""
         Call Groebner Fan program with given input.
 
@@ -83,21 +80,7 @@ def __call__(self, input, cmd='', verbose=False, format=None):
             x^4+1/3+x-2*x^2-x^3,
             y+1-x^2}
             }
-
-        TESTS::
-
-            sage: _ = gfan(I='Q[x,y]{x^2-y-1,y^2-xy-2/3}', cmd='bases')                 # needs gfan
-            doctest:...:
-            DeprecationWarning: use the option 'input' instead of 'I'
-            See https://github.com/sagemath/sage/issues/33468 for details.
         """
-        if format is not None:
-            from sage.misc.superseded import deprecation
-            deprecation(33468, 'argument `format` is ignored in the code: '
-                               'it is now deprecated. Please update your code '
-                               'without this argument as it will be removed in a later '
-                               'version of SageMath.')
-
         if cmd:
             cmd = cmd.split(' ')
             cmd[0] = GfanExecutable(cmd[0]).absolute_filename()
@@ -112,9 +95,9 @@ def __call__(self, input, cmd='', verbose=False, format=None):
                                encoding='latin-1')
         ans, err = gfan_processes.communicate(input=input)
 
-        # sometimes, gfan outputs stuff to stderr even though everything is fine
-        # we avoid interpreting this as an error
-        if (len(err) > 0) and not (err.startswith('_application PolyhedralCone')):
+        # sometimes, gfan outputs stuff to stderr even though
+        # everything is fine ; we avoid interpreting this as an error
+        if len(err) > 0 and not err.startswith('_application PolyhedralCone'):
             raise RuntimeError(err)
 
         return ans

src/sage/interfaces/gp.py

@@ -1035,29 +1035,6 @@ def _tab_completion(self):
 GpFunction = ExpectFunction
 
 
-def is_GpElement(x):
-    """
-    Return ``True`` if ``x`` is of type :class:`GpElement`.
-
-    This function is deprecated; use :func:`isinstance`
-    (of :class:`sage.interfaces.abc.GpElement`) instead.
-
-    EXAMPLES::
-
-        sage: from sage.interfaces.gp import is_GpElement
-        sage: is_GpElement(gp(2))
-        doctest:...: DeprecationWarning: the function is_GpElement is deprecated; use isinstance(x, sage.interfaces.abc.GpElement) instead
-        See https://github.com/sagemath/sage/issues/34804 for details.
-        True
-        sage: is_GpElement(2)
-        False
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(34804, "the function is_GpElement is deprecated; use isinstance(x, sage.interfaces.abc.GpElement) instead")
-
-    return isinstance(x, GpElement)
-
-
 # An instance
 gp = Gp(logfile=os.path.join(DOT_SAGE, 'gp-expect.log'))
 # useful for debugging!
@@ -1090,7 +1067,8 @@ def gp_console():
     """
     from sage.repl.rich_output.display_manager import get_display_manager
     if not get_display_manager().is_in_terminal():
-        raise RuntimeError('Can use the console only in the terminal. Try %%gp magics instead.')
+        raise RuntimeError('Can use the console only in the terminal. '
+                           'Try %%gp magics instead.')
     os.system('gp')
 
 

src/sage/interfaces/interface.py

@@ -13,7 +13,8 @@
 - William Stein (2006-03-01): got rid of infinite loop on startup if
   client system missing
 
-- Felix Lawrence (2009-08-21): edited ._sage_() to support lists and float exponents in foreign notation.
+- Felix Lawrence (2009-08-21): edited ._sage_() to support lists
+  and float exponents in foreign notation.
 
 - Simon King (2010-09-25): Expect._local_tmpfile() depends on
   Expect.pid() and is cached; Expect.quit() clears that cache,
@@ -714,24 +715,6 @@ def _instancedoc_(self):
         return M.help(self._name)
 
 
-def is_InterfaceElement(x):
-    """
-    Return ``True`` if ``x`` is of type :class:`InterfaceElement`.
-
-    EXAMPLES::
-
-        sage: from sage.interfaces.interface import is_InterfaceElement
-        sage: is_InterfaceElement(2)
-        doctest:...: DeprecationWarning: the function is_InterfaceElement is deprecated; use isinstance(x, sage.interfaces.abc.InterfaceElement) instead
-        See https://github.com/sagemath/sage/issues/34804 for details.
-        False
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(34804, "the function is_InterfaceElement is deprecated; use isinstance(x, sage.interfaces.abc.InterfaceElement) instead")
-
-    return isinstance(x, InterfaceElement)
-
-
 @instancedoc
 class InterfaceElement(Element):
     """

src/sage/interfaces/kash.py

@@ -781,36 +781,12 @@ def _sage_(self, locals={}, *args):
 
 
 class KashDocumentation(list):
-    def __repr__(self):
+    def __repr__(self) -> str:
         if len(self) == 0:
             return "No matches."
         return '\n'.join(self)
 
 
-def is_KashElement(x):
-    """
-    Return ``True`` if ``x`` is of type :class:`KashElement`.
-
-    EXAMPLES::
-
-        sage: from sage.interfaces.kash import is_KashElement
-        sage: is_KashElement(2)
-        doctest:...: DeprecationWarning: the function is_KashElement is deprecated; use isinstance(x, sage.interfaces.abc.KashElement) instead
-        See https://github.com/sagemath/sage/issues/34804 for details.
-        False
-        sage: is_KashElement(kash(2))  # optional - kash
-        True
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(34804, "the function is_KashElement is deprecated; use isinstance(x, sage.interfaces.abc.KashElement) instead")
-
-    return isinstance(x, KashElement)
-
-######
-
-######
-
-
 kash = Kash()
 
 
@@ -821,7 +797,8 @@ def reduce_load_Kash():
 def kash_console():
     from sage.repl.rich_output.display_manager import get_display_manager
     if not get_display_manager().is_in_terminal():
-        raise RuntimeError('Can use the console only in the terminal. Try %%kash magics instead.')
+        raise RuntimeError('Can use the console only in the terminal. '
+                           'Try %%kash magics instead.')
     os.system("kash3 ")
 
 

src/sage/interfaces/lie.py

@@ -171,9 +171,10 @@
     E8
 
 
-You can define your own functions in LiE using lie.eval .  Once you've defined
-a function (say f), you can call it using lie.f ; however, user-defined functions
-do not show up when using tab-completion. ::
+You can define your own functions in ``LiE`` using ``lie.eval``.  Once
+you have defined a function (say ``f``), you can call it using
+``lie.f`` ; however, user-defined functions do not show up when using
+tab-completion. ::
 
     sage: # optional - lie
     sage: lie.eval('f(int x) = 2*x')
@@ -888,25 +889,6 @@ def _instancedoc_(self):
         return M.help(self._name)
 
 
-def is_LiEElement(x) -> bool:
-    """
-    EXAMPLES::
-
-        sage: from sage.interfaces.lie import is_LiEElement
-        sage: is_LiEElement(2)
-        doctest:...: DeprecationWarning: the function is_LiEElement is deprecated; use isinstance(x, sage.interfaces.abc.LiEElement) instead
-        See https://github.com/sagemath/sage/issues/34804 for details.
-        False
-        sage: l = lie(2) # optional - lie
-        sage: is_LiEElement(l) # optional - lie
-        True
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(34804, "the function is_LiEElement is deprecated; use isinstance(x, sage.interfaces.abc.LiEElement) instead")
-
-    return isinstance(x, LiEElement)
-
-
 # An instance
 lie = LiE()
 

src/sage/interfaces/lisp.py

@@ -83,9 +83,10 @@ def __init__(self,
                         # The capitalized version of this is used for printing.
                         name='Lisp',
 
-                        # This is regexp of the input prompt.  If you can change
-                        # it to be very obfuscated that would be better.   Even
-                        # better is to use sequence numbers.
+                        # This is regexp of the input prompt.  If you
+                        # can change it to be very obfuscated that
+                        # would be better.  Even better is to use
+                        # sequence numbers.
                         prompt='> ',
 
                         # This is the command that starts up your program
@@ -526,24 +527,6 @@ def _instancedoc_(self):
         return M.help(self._name)
 
 
-def is_LispElement(x):
-    """
-    EXAMPLES::
-
-        sage: from sage.interfaces.lisp import is_LispElement
-        sage: is_LispElement(2)
-        doctest:...: DeprecationWarning: the function is_LispElement is deprecated; use isinstance(x, sage.interfaces.abc.LispElement) instead
-        See https://github.com/sagemath/sage/issues/34804 for details.
-        False
-        sage: is_LispElement(lisp(2))
-        True
-    """
-    from sage.misc.superseded import deprecation
-    deprecation(34804, "the function is_LispElement is deprecated; use isinstance(x, sage.interfaces.abc.LispElement) instead")
-
-    return isinstance(x, LispElement)
-
-
 # An instance
 lisp = Lisp()