Trac #32591: Remove some .all imports

(cherry-picked from #32432)

URL: https://trac.sagemath.org/32591
Reported by: mkoeppe
Ticket author(s): Matthias Koeppe
Reviewer(s): Travis Scrimshaw

src/sage/misc/sage_unittest.py

@@ -610,7 +610,7 @@ def _test_pickling(self, **options):
             :func:`dumps`, :func:`loads`
         """
         tester = instance_tester(self, **options)
-        from sage.misc.all import loads, dumps
+        from sage.misc.persist import loads, dumps
         tester.assertEqual(loads(dumps(self._instance)), self._instance)
 
     def _test_new(self, **options):

src/sage/modules/fg_pid/fgp_element.py

@@ -448,7 +448,9 @@ def additive_order(self):
         I = Q.invariants()
         v = self.vector()
 
-        from sage.rings.all import infinity, Mod, Integer
+        from sage.rings.infinity import infinity
+        from sage.rings.finite_rings.integer_mod import Mod
+        from sage.rings.integer import Integer
         from sage.arith.all import lcm
         n = Integer(1)
         for i, a in enumerate(I):

src/sage/modules/fg_pid/fgp_module.py

@@ -215,8 +215,9 @@
 from sage.structure.sequence import Sequence
 from .fgp_element import DEBUG, FGP_Element
 from .fgp_morphism import FGP_Morphism, FGP_Homset
-from sage.rings.all import Integer, ZZ
-from sage.arith.all import lcm
+from sage.rings.integer_ring import ZZ
+from sage.rings.integer import Integer
+from sage.arith.functions import lcm
 from sage.misc.cachefunc import cached_method
 from sage.matrix.constructor import matrix
 
@@ -1223,7 +1224,7 @@ def gens_vector(self, x, reduce=False):
         """
         x = self(x)
         v = x.vector() * self.smith_to_gens()
-        from sage.rings.all import infinity
+        from sage.rings.infinity import infinity
         if reduce and self.base_ring() == ZZ:
             orders = [g.order() for g in self.gens()]
             v = v.parent()([v[i] if orders[i] == infinity
@@ -1740,7 +1741,7 @@ def cardinality(self):
             return self.__cardinality
         except AttributeError:
             pass
-        from sage.rings.all import infinity
+        from sage.rings.infinity import infinity
         from sage.misc.misc_c import prod
         v = self.invariants()
         self.__cardinality = infinity if 0 in v else prod(v)

src/sage/modules/fg_pid/fgp_morphism.py

@@ -507,10 +507,10 @@ def __init__(self, X, Y, category=None):
         if category is None:
             from sage.modules.free_module import is_FreeModule
             if is_FreeModule(X) and is_FreeModule(Y):
-                from sage.all import FreeModules
+                from sage.categories.all import FreeModules
                 category = FreeModules(X.base_ring())
             else:
-                from sage.all import Modules
+                from sage.categories.all import Modules
                 category = Modules(X.base_ring())
         Homset.__init__(self, X, Y, category)
 

src/sage/structure/sage_object.pyx

@@ -645,7 +645,7 @@ cdef class SageObject:
         remote Sage session, and get it back.
         """
         tester = self._tester(**options)
-        from sage.misc.all import loads, dumps
+        from sage.misc.persist import loads, dumps
         tester.assertEqual(loads(dumps(self)), self)
 
     #############################################################################