Update Pyomo for NumPy 2

.github/workflows/test_branches.yml

@@ -855,6 +855,9 @@ jobs:
         token: ${{ secrets.PYOMO_CODECOV_TOKEN }}
         name: ${{ matrix.TARGET }}
         flags: ${{ matrix.TARGET }}
+        # downgrading after v0.7.0 broke tokenless upload
+        # see codecov/codecov-action#1487
+        version: v0.6.0
         fail_ci_if_error: true
 
     - name: Upload other coverage reports
@@ -867,4 +870,7 @@ jobs:
         token: ${{ secrets.PYOMO_CODECOV_TOKEN }}
         name: ${{ matrix.TARGET }}/other
         flags: ${{ matrix.TARGET }},other
+        # downgrading after v0.7.0 broke tokenless upload
+        # see codecov/codecov-action#1487
+        version: v0.6.0
         fail_ci_if_error: true

.github/workflows/test_pr_and_main.yml

@@ -899,6 +899,9 @@ jobs:
         token: ${{ secrets.PYOMO_CODECOV_TOKEN }}
         name: ${{ matrix.TARGET }}
         flags: ${{ matrix.TARGET }}
+        # downgrading after v0.7.0 broke tokenless upload
+        # see codecov/codecov-action#1487
+        version: v0.6.0
         fail_ci_if_error: true
 
     - name: Upload other coverage reports
@@ -911,4 +914,7 @@ jobs:
         token: ${{ secrets.PYOMO_CODECOV_TOKEN }}
         name: ${{ matrix.TARGET }}/other
         flags: ${{ matrix.TARGET }},other
+        # downgrading after v0.7.0 broke tokenless upload
+        # see codecov/codecov-action#1487
+        version: v0.6.0
         fail_ci_if_error: true

pyomo/common/dependencies.py

@@ -999,10 +999,13 @@ def _finalize_numpy(np, available):
         # registration here (to bypass the deprecation warning) until we
         # finally remove all support for it
         numeric_types._native_boolean_types.add(t)
-    _floats = [np.float_, np.float16, np.float32, np.float64]
+    _floats = [np.float16, np.float32, np.float64]
     # float96 and float128 may or may not be defined in this particular
     # numpy build (it depends on platform and version).
     # Register them only if they are present
+    if hasattr(np, 'float_'):
+        # Prepend to preserve previous functionality
+        _floats.insert(0, np.float_)
     if hasattr(np, 'float96'):
         _floats.append(np.float96)
     if hasattr(np, 'float128'):
@@ -1013,10 +1016,13 @@ def _finalize_numpy(np, available):
         # registration here (to bypass the deprecation warning) until we
         # finally remove all support for it
         numeric_types._native_boolean_types.add(t)
-    _complex = [np.complex_, np.complex64, np.complex128]
+    _complex = [np.complex64, np.complex128]
     # complex192 and complex256 may or may not be defined in this
     # particular numpy build (it depends on platform and version).
     # Register them only if they are present
+    if hasattr(np, 'np.complex_'):
+        # Prepend to preserve functionality
+        _complex.insert(0, np.complex_)
     if hasattr(np, 'complex192'):
         _complex.append(np.complex192)
     if hasattr(np, 'complex256'):

pyomo/common/unittest.py

@@ -783,6 +783,7 @@ def filter_fcn(self, line):
         return False
 
     def filter_file_contents(self, lines, abstol=None):
+        _numpy_scalar_re = re.compile(r'np.(int|float)\d+\(([^\)]+)\)')
         filtered = []
         deprecated = None
         for line in lines:
@@ -807,29 +808,49 @@ def filter_file_contents(self, lines, abstol=None):
             item_list = []
             items = line.strip().split()
             for i in items:
+                # Split up lists, dicts, and sets
+                while i and i[0] in '[{':
+                    item_list.append(i[0])
+                    i = i[1:]
+                tail = []
+                while i and i[-1] in ',:]}':
+                    tail.append(i[-1])
+                    i = i[:-1]
+
                 # A few substitutions to get tests passing on pypy3
                 if ".inf" in i:
                     i = i.replace(".inf", "inf")
                 if "null" in i:
                     i = i.replace("null", "None")
 
                 try:
-                    item_list.append(float(i))
+                    # Numpy 2.x changed the repr for scalars.  Convert
+                    # the new scalar reprs back to the original (which
+                    # were indistinguishable from python floats/ints)
+                    np_match = _numpy_scalar_re.match(i)
+                    if np_match:
+                        item_list.append(float(np_match.group(2)))
+                    else:
+                        item_list.append(float(i))
                 except:
                     item_list.append(i)
+                if tail:
+                    tail.reverse()
+                    item_list.extend(tail)
 
             # We can get printed results objects where the baseline is
             # exactly 0 (and omitted) and the test is slightly non-zero.
             # We will look for the pattern of values printed from
             # results objects and remote them if they are within
             # tolerance of 0
             if (
-                len(item_list) == 2
-                and item_list[0] == 'Value:'
-                and type(item_list[1]) is float
-                and abs(item_list[1]) < (abstol or 0)
-                and len(filtered[-1]) == 1
-                and filtered[-1][0][-1] == ':'
+                len(item_list) == 3
+                and item_list[0] == 'Value'
+                and item_list[1] == ':'
+                and type(item_list[2]) is float
+                and abs(item_list[2]) < (abstol or 0)
+                and len(filtered[-1]) == 2
+                and filtered[-1][1] == ':'
             ):
                 filtered.pop()
             else:

pyomo/core/kernel/register_numpy_types.py

@@ -45,10 +45,12 @@
     # Historically, the lists included several numpy aliases
     numpy_int_names.extend(('int_', 'intc', 'intp'))
     numpy_int.extend((numpy.int_, numpy.intc, numpy.intp))
-    numpy_float_names.append('float_')
-    numpy_float.append(numpy.float_)
-    numpy_complex_names.append('complex_')
-    numpy_complex.append(numpy.complex_)
+    if hasattr(numpy, 'float_'):
+        numpy_float_names.append('float_')
+        numpy_float.append(numpy.float_)
+    if hasattr(numpy, 'complex_'):
+        numpy_complex_names.append('complex_')
+        numpy_complex.append(numpy.complex_)
 
 # Re-build the old numpy_* lists
 for t in native_boolean_types:

pyomo/core/tests/unit/test_kernel_register_numpy_types.py

@@ -16,7 +16,10 @@
 # Boolean
 numpy_bool_names = []
 if numpy_available:
-    numpy_bool_names.append('bool_')
+    if numpy.__version__[0] == '2':
+        numpy_bool_names.append('bool')
+    else:
+        numpy_bool_names.append('bool_')
 # Integers
 numpy_int_names = []
 if numpy_available:
@@ -34,7 +37,8 @@
 # Reals
 numpy_float_names = []
 if numpy_available:
-    numpy_float_names.append('float_')
+    if hasattr(numpy, 'float_'):
+        numpy_float_names.append('float_')
     numpy_float_names.append('float16')
     numpy_float_names.append('float32')
     numpy_float_names.append('float64')
@@ -46,7 +50,8 @@
 # Complex
 numpy_complex_names = []
 if numpy_available:
-    numpy_complex_names.append('complex_')
+    if hasattr(numpy, 'complex_'):
+        numpy_complex_names.append('complex_')
     numpy_complex_names.append('complex64')
     numpy_complex_names.append('complex128')
     if hasattr(numpy, 'complex192'):

pyomo/core/tests/unit/test_numvalue.py

@@ -552,10 +552,10 @@ def test_unknownNumericType(self):
 
     @unittest.skipUnless(numpy_available, "This test requires NumPy")
     def test_numpy_basic_float_registration(self):
-        self.assertIn(numpy.float_, native_numeric_types)
-        self.assertNotIn(numpy.float_, native_integer_types)
-        self.assertIn(numpy.float_, _native_boolean_types)
-        self.assertIn(numpy.float_, native_types)
+        self.assertIn(numpy.float64, native_numeric_types)
+        self.assertNotIn(numpy.float64, native_integer_types)
+        self.assertIn(numpy.float64, _native_boolean_types)
+        self.assertIn(numpy.float64, native_types)
 
     @unittest.skipUnless(numpy_available, "This test requires NumPy")
     def test_numpy_basic_int_registration(self):

pyomo/core/tests/unit/test_sets.py

@@ -1051,7 +1051,7 @@ def setUp(self):
         self.instance = self.model.create_instance(currdir + "setA.dat")
         self.e1 = numpy.bool_(1)
         self.e2 = numpy.int_(2)
-        self.e3 = numpy.float_(3.0)
+        self.e3 = numpy.float64(3.0)
         self.e4 = numpy.int_(4)
         self.e5 = numpy.int_(5)
         self.e6 = numpy.int_(6)
@@ -1068,7 +1068,7 @@ def test_numpy_int(self):
 
     def test_numpy_float(self):
         model = ConcreteModel()
-        model.A = Set(initialize=[numpy.float_(1.0), numpy.float_(0.0)])
+        model.A = Set(initialize=[numpy.float64(1.0), numpy.float64(0.0)])
         self.assertEqual(model.A.bounds(), (0, 1))
 
 
@@ -3213,7 +3213,7 @@ def test_numpy_membership(self):
         self.assertEqual(numpy.int_(1) in Boolean, True)
         self.assertEqual(numpy.bool_(True) in Boolean, True)
         self.assertEqual(numpy.bool_(False) in Boolean, True)
-        self.assertEqual(numpy.float_(1.1) in Boolean, False)
+        self.assertEqual(numpy.float64(1.1) in Boolean, False)
         self.assertEqual(numpy.int_(2) in Boolean, False)
 
         self.assertEqual(numpy.int_(0) in Integers, True)
@@ -3222,7 +3222,7 @@ def test_numpy_membership(self):
         # identically to 1
         self.assertEqual(numpy.bool_(True) in Integers, True)
         self.assertEqual(numpy.bool_(False) in Integers, True)
-        self.assertEqual(numpy.float_(1.1) in Integers, False)
+        self.assertEqual(numpy.float64(1.1) in Integers, False)
         self.assertEqual(numpy.int_(2) in Integers, True)
 
         self.assertEqual(numpy.int_(0) in Reals, True)
@@ -3231,14 +3231,14 @@ def test_numpy_membership(self):
         # identically to 1
         self.assertEqual(numpy.bool_(True) in Reals, True)
         self.assertEqual(numpy.bool_(False) in Reals, True)
-        self.assertEqual(numpy.float_(1.1) in Reals, True)
+        self.assertEqual(numpy.float64(1.1) in Reals, True)
         self.assertEqual(numpy.int_(2) in Reals, True)
 
         self.assertEqual(numpy.int_(0) in Any, True)
         self.assertEqual(numpy.int_(1) in Any, True)
         self.assertEqual(numpy.bool_(True) in Any, True)
         self.assertEqual(numpy.bool_(False) in Any, True)
-        self.assertEqual(numpy.float_(1.1) in Any, True)
+        self.assertEqual(numpy.float64(1.1) in Any, True)
         self.assertEqual(numpy.int_(2) in Any, True)
 
     def test_setargs1(self):

pyomo/repn/plugins/lp_writer.py

@@ -458,13 +458,13 @@ def write(self, model):
                     addSymbol(con, label)
                     ostream.write(f'\n{label}:\n')
                     self.write_expression(ostream, repn, False)
-                    ostream.write(f'>= {(lb - offset)!r}\n')
+                    ostream.write(f'>= {(lb - offset)!s}\n')
                 elif lb == ub:
                     label = f'c_e_{symbol}_'
                     addSymbol(con, label)
                     ostream.write(f'\n{label}:\n')
                     self.write_expression(ostream, repn, False)
-                    ostream.write(f'= {(lb - offset)!r}\n')
+                    ostream.write(f'= {(lb - offset)!s}\n')
                 else:
                     # We will need the constraint body twice.  Generate
                     # in a buffer so we only have to do that once.
@@ -476,18 +476,18 @@ def write(self, model):
                     addSymbol(con, label)
                     ostream.write(f'\n{label}:\n')
                     ostream.write(buf)
-                    ostream.write(f'>= {(lb - offset)!r}\n')
+                    ostream.write(f'>= {(lb - offset)!s}\n')
                     label = f'r_u_{symbol}_'
                     aliasSymbol(con, label)
                     ostream.write(f'\n{label}:\n')
                     ostream.write(buf)
-                    ostream.write(f'<= {(ub - offset)!r}\n')
+                    ostream.write(f'<= {(ub - offset)!s}\n')
             elif ub is not None:
                 label = f'c_u_{symbol}_'
                 addSymbol(con, label)
                 ostream.write(f'\n{label}:\n')
                 self.write_expression(ostream, repn, False)
-                ostream.write(f'<= {(ub - offset)!r}\n')
+                ostream.write(f'<= {(ub - offset)!s}\n')
 
         if with_debug_timing:
             # report the last constraint
@@ -527,8 +527,8 @@ def write(self, model):
             # Note: Var.bounds guarantees the values are either (finite)
             # native_numeric_types or None
             lb, ub = v.bounds
-            lb = '-inf' if lb is None else repr(lb)
-            ub = '+inf' if ub is None else repr(ub)
+            lb = '-inf' if lb is None else str(lb)
+            ub = '+inf' if ub is None else str(ub)
             ostream.write(f"\n   {lb} <= {v_symbol} <= {ub}")
 
         if integer_vars:
@@ -565,7 +565,7 @@ def write(self, model):
                 for v, w in getattr(soscon, 'get_items', soscon.items)():
                     if w.__class__ not in int_float:
                         w = float(f)
-                    ostream.write(f"  {getSymbol(v)}:{w!r}\n")
+                    ostream.write(f"  {getSymbol(v)}:{w!s}\n")
 
         ostream.write("\nend\n")
 
@@ -584,9 +584,9 @@ def write_expression(self, ostream, expr, is_objective):
                 expr.linear.items(), key=lambda x: getVarOrder(x[0])
             ):
                 if coef < 0:
-                    ostream.write(f'{coef!r} {getSymbol(getVar(vid))}\n')
+                    ostream.write(f'{coef!s} {getSymbol(getVar(vid))}\n')
                 else:
-                    ostream.write(f'+{coef!r} {getSymbol(getVar(vid))}\n')
+                    ostream.write(f'+{coef!s} {getSymbol(getVar(vid))}\n')
 
         quadratic = getattr(expr, 'quadratic', None)
         if quadratic:
@@ -605,9 +605,9 @@ def _normalize_constraint(data):
                     col = c1, c2
                     sym = f' {getSymbol(getVar(vid1))} * {getSymbol(getVar(vid2))}\n'
                 if coef < 0:
-                    return col, repr(coef) + sym
+                    return col, str(coef) + sym
                 else:
-                    return col, '+' + repr(coef) + sym
+                    return col, f'+{coef!s}{sym}'
 
             if is_objective:
                 #