CNL: unify numpy.random-related imports (pandas-dev#37492)

pandas/tests/computation/test_eval.py

@@ -6,7 +6,6 @@
 import warnings
 
 import numpy as np
-from numpy.random import rand, randint, randn
 import pytest
 
 from pandas.compat import is_platform_windows
@@ -126,15 +125,15 @@ def _is_py3_complex_incompat(result, expected):
 @pytest.fixture(params=list(range(5)))
 def lhs(request):
 
-    nan_df1 = DataFrame(rand(10, 5))
+    nan_df1 = DataFrame(np.random.rand(10, 5))
     nan_df1[nan_df1 > 0.5] = np.nan
 
     opts = (
-        DataFrame(randn(10, 5)),
-        Series(randn(5)),
+        DataFrame(np.random.randn(10, 5)),
+        Series(np.random.randn(5)),
         Series([1, 2, np.nan, np.nan, 5]),
         nan_df1,
-        randn(),
+        np.random.randn(),
     )
     return opts[request.param]
 
@@ -455,7 +454,7 @@ def test_frame_invert(self):
         # ~ ##
         # frame
         # float always raises
-        lhs = DataFrame(randn(5, 2))
+        lhs = DataFrame(np.random.randn(5, 2))
         if self.engine == "numexpr":
             msg = "couldn't find matching opcode for 'invert_dd'"
             with pytest.raises(NotImplementedError, match=msg):
@@ -466,7 +465,7 @@ def test_frame_invert(self):
                 result = pd.eval(expr, engine=self.engine, parser=self.parser)
 
         # int raises on numexpr
-        lhs = DataFrame(randint(5, size=(5, 2)))
+        lhs = DataFrame(np.random.randint(5, size=(5, 2)))
         if self.engine == "numexpr":
             msg = "couldn't find matching opcode for 'invert"
             with pytest.raises(NotImplementedError, match=msg):
@@ -477,13 +476,13 @@ def test_frame_invert(self):
             tm.assert_frame_equal(expect, result)
 
         # bool always works
-        lhs = DataFrame(rand(5, 2) > 0.5)
+        lhs = DataFrame(np.random.rand(5, 2) > 0.5)
         expect = ~lhs
         result = pd.eval(expr, engine=self.engine, parser=self.parser)
         tm.assert_frame_equal(expect, result)
 
         # object raises
-        lhs = DataFrame({"b": ["a", 1, 2.0], "c": rand(3) > 0.5})
+        lhs = DataFrame({"b": ["a", 1, 2.0], "c": np.random.rand(3) > 0.5})
         if self.engine == "numexpr":
             with pytest.raises(ValueError, match="unknown type object"):
                 result = pd.eval(expr, engine=self.engine, parser=self.parser)
@@ -498,7 +497,7 @@ def test_series_invert(self):
 
         # series
         # float raises
-        lhs = Series(randn(5))
+        lhs = Series(np.random.randn(5))
         if self.engine == "numexpr":
             msg = "couldn't find matching opcode for 'invert_dd'"
             with pytest.raises(NotImplementedError, match=msg):
@@ -509,7 +508,7 @@ def test_series_invert(self):
                 result = pd.eval(expr, engine=self.engine, parser=self.parser)
 
         # int raises on numexpr
-        lhs = Series(randint(5, size=5))
+        lhs = Series(np.random.randint(5, size=5))
         if self.engine == "numexpr":
             msg = "couldn't find matching opcode for 'invert"
             with pytest.raises(NotImplementedError, match=msg):
@@ -520,7 +519,7 @@ def test_series_invert(self):
             tm.assert_series_equal(expect, result)
 
         # bool
-        lhs = Series(rand(5) > 0.5)
+        lhs = Series(np.random.rand(5) > 0.5)
         expect = ~lhs
         result = pd.eval(expr, engine=self.engine, parser=self.parser)
         tm.assert_series_equal(expect, result)
@@ -543,19 +542,19 @@ def test_frame_negate(self):
         expr = self.ex("-")
 
         # float
-        lhs = DataFrame(randn(5, 2))
+        lhs = DataFrame(np.random.randn(5, 2))
         expect = -lhs
         result = pd.eval(expr, engine=self.engine, parser=self.parser)
         tm.assert_frame_equal(expect, result)
 
         # int
-        lhs = DataFrame(randint(5, size=(5, 2)))
+        lhs = DataFrame(np.random.randint(5, size=(5, 2)))
         expect = -lhs
         result = pd.eval(expr, engine=self.engine, parser=self.parser)
         tm.assert_frame_equal(expect, result)
 
         # bool doesn't work with numexpr but works elsewhere
-        lhs = DataFrame(rand(5, 2) > 0.5)
+        lhs = DataFrame(np.random.rand(5, 2) > 0.5)
         if self.engine == "numexpr":
             msg = "couldn't find matching opcode for 'neg_bb'"
             with pytest.raises(NotImplementedError, match=msg):
@@ -569,19 +568,19 @@ def test_series_negate(self):
         expr = self.ex("-")
 
         # float
-        lhs = Series(randn(5))
+        lhs = Series(np.random.randn(5))
         expect = -lhs
         result = pd.eval(expr, engine=self.engine, parser=self.parser)
         tm.assert_series_equal(expect, result)
 
         # int
-        lhs = Series(randint(5, size=5))
+        lhs = Series(np.random.randint(5, size=5))
         expect = -lhs
         result = pd.eval(expr, engine=self.engine, parser=self.parser)
         tm.assert_series_equal(expect, result)
 
         # bool doesn't work with numexpr but works elsewhere
-        lhs = Series(rand(5) > 0.5)
+        lhs = Series(np.random.rand(5) > 0.5)
         if self.engine == "numexpr":
             msg = "couldn't find matching opcode for 'neg_bb'"
             with pytest.raises(NotImplementedError, match=msg):
@@ -595,11 +594,11 @@ def test_series_negate(self):
         "lhs",
         [
             # Float
-            DataFrame(randn(5, 2)),
+            DataFrame(np.random.randn(5, 2)),
             # Int
-            DataFrame(randint(5, size=(5, 2))),
+            DataFrame(np.random.randint(5, size=(5, 2))),
             # bool doesn't work with numexpr but works elsewhere
-            DataFrame(rand(5, 2) > 0.5),
+            DataFrame(np.random.rand(5, 2) > 0.5),
         ],
     )
     def test_frame_pos(self, lhs):
@@ -613,11 +612,11 @@ def test_frame_pos(self, lhs):
         "lhs",
         [
             # Float
-            Series(randn(5)),
+            Series(np.random.randn(5)),
             # Int
-            Series(randint(5, size=5)),
+            Series(np.random.randint(5, size=5)),
             # bool doesn't work with numexpr but works elsewhere
-            Series(rand(5) > 0.5),
+            Series(np.random.rand(5) > 0.5),
         ],
     )
     def test_series_pos(self, lhs):
@@ -688,7 +687,7 @@ def test_disallow_scalar_bool_ops(self):
         exprs += ("2 * x > 2 or 1 and 2",)
         exprs += ("2 * df > 3 and 1 or a",)
 
-        x, a, b, df = np.random.randn(3), 1, 2, DataFrame(randn(3, 2))  # noqa
+        x, a, b, df = np.random.randn(3), 1, 2, DataFrame(np.random.randn(3, 2))  # noqa
         for ex in exprs:
             msg = "cannot evaluate scalar only bool ops|'BoolOp' nodes are not"
             with pytest.raises(NotImplementedError, match=msg):
@@ -909,7 +908,7 @@ def test_frame_comparison(self, engine, parser, r_idx_type, c_idx_type):
         res = pd.eval("df < 2", engine=engine, parser=parser)
         tm.assert_frame_equal(res, df < 2)
 
-        df3 = DataFrame(randn(*df.shape), index=df.index, columns=df.columns)
+        df3 = DataFrame(np.random.randn(*df.shape), index=df.index, columns=df.columns)
         res = pd.eval("df < df3", engine=engine, parser=parser)
         tm.assert_frame_equal(res, df < df3)
 
@@ -1089,8 +1088,8 @@ def test_complex_series_frame_alignment(self, engine, parser, r1, c1, r2, c2):
             tm.assert_frame_equal(res, expected)
 
     def test_performance_warning_for_poor_alignment(self, engine, parser):
-        df = DataFrame(randn(1000, 10))
-        s = Series(randn(10000))
+        df = DataFrame(np.random.randn(1000, 10))
+        s = Series(np.random.randn(10000))
         if engine == "numexpr":
             seen = PerformanceWarning
         else:
@@ -1099,17 +1098,17 @@ def test_performance_warning_for_poor_alignment(self, engine, parser):
         with tm.assert_produces_warning(seen):
             pd.eval("df + s", engine=engine, parser=parser)
 
-        s = Series(randn(1000))
+        s = Series(np.random.randn(1000))
         with tm.assert_produces_warning(False):
             pd.eval("df + s", engine=engine, parser=parser)
 
-        df = DataFrame(randn(10, 10000))
-        s = Series(randn(10000))
+        df = DataFrame(np.random.randn(10, 10000))
+        s = Series(np.random.randn(10000))
         with tm.assert_produces_warning(False):
             pd.eval("df + s", engine=engine, parser=parser)
 
-        df = DataFrame(randn(10, 10))
-        s = Series(randn(10000))
+        df = DataFrame(np.random.randn(10, 10))
+        s = Series(np.random.randn(10000))
 
         is_python_engine = engine == "python"
 
@@ -1206,8 +1205,8 @@ def test_bool_ops_with_constants(self, rhs, lhs, op):
         assert res == exp
 
     def test_4d_ndarray_fails(self):
-        x = randn(3, 4, 5, 6)
-        y = Series(randn(10))
+        x = np.random.randn(3, 4, 5, 6)
+        y = Series(np.random.randn(10))
         msg = "N-dimensional objects, where N > 2, are not supported with eval"
         with pytest.raises(NotImplementedError, match=msg):
             self.eval("x + y", local_dict={"x": x, "y": y})
@@ -1217,7 +1216,7 @@ def test_constant(self):
         assert x == 1
 
     def test_single_variable(self):
-        df = DataFrame(randn(10, 2))
+        df = DataFrame(np.random.randn(10, 2))
         df2 = self.eval("df", local_dict={"df": df})
         tm.assert_frame_equal(df, df2)
 
@@ -1574,7 +1573,7 @@ def test_nested_period_index_subscript_expression(self):
         tm.assert_frame_equal(r, e)
 
     def test_date_boolean(self):
-        df = DataFrame(randn(5, 3))
+        df = DataFrame(np.random.randn(5, 3))
         df["dates1"] = date_range("1/1/2012", periods=5)
         res = self.eval(
             "df.dates1 < 20130101",
@@ -1859,7 +1858,7 @@ class TestMathNumExprPython(TestMathPythonPython):
     parser = "python"
 
 
-_var_s = randn(10)
+_var_s = np.random.randn(10)
 
 
 class TestScope:

pandas/tests/indexing/multiindex/test_insert.py

@@ -1,4 +1,4 @@
-from numpy.random import randn
+import numpy as np
 
 from pandas import DataFrame, MultiIndex, Series
 import pandas._testing as tm
@@ -14,7 +14,7 @@ def test_setitem_mixed_depth(self):
 
         tuples = sorted(zip(*arrays))
         index = MultiIndex.from_tuples(tuples)
-        df = DataFrame(randn(4, 6), columns=index)
+        df = DataFrame(np.random.randn(4, 6), columns=index)
 
         result = df.copy()
         expected = df.copy()

pandas/tests/indexing/multiindex/test_setitem.py

@@ -1,5 +1,4 @@
 import numpy as np
-from numpy.random import randn
 import pytest
 
 import pandas as pd
@@ -311,7 +310,9 @@ def test_frame_getitem_setitem_multislice(self):
         tm.assert_frame_equal(df, result)
 
     def test_frame_setitem_multi_column(self):
-        df = DataFrame(randn(10, 4), columns=[["a", "a", "b", "b"], [0, 1, 0, 1]])
+        df = DataFrame(
+            np.random.randn(10, 4), columns=[["a", "a", "b", "b"], [0, 1, 0, 1]]
+        )
 
         cp = df.copy()
         cp["a"] = cp["b"]

pandas/tests/indexing/multiindex/test_sorted.py

@@ -1,5 +1,4 @@
 import numpy as np
-from numpy.random import randn
 import pytest
 
 from pandas import DataFrame, MultiIndex, Series
@@ -115,7 +114,7 @@ def test_series_getitem_not_sorted(self):
         ]
         tuples = zip(*arrays)
         index = MultiIndex.from_tuples(tuples)
-        s = Series(randn(8), index=index)
+        s = Series(np.random.randn(8), index=index)
 
         arrays = [np.array(x) for x in zip(*index.values)]
 

pandas/tests/io/test_clipboard.py

@@ -1,7 +1,6 @@
 from textwrap import dedent
 
 import numpy as np
-from numpy.random import randint
 import pytest
 
 import pandas as pd
@@ -54,7 +53,7 @@ def df(request):
         return tm.makeCustomDataframe(
             max_rows + 1,
             3,
-            data_gen_f=lambda *args: randint(2),
+            data_gen_f=lambda *args: np.random.randint(2),
             c_idx_type="s",
             r_idx_type="i",
             c_idx_names=[None],
@@ -95,7 +94,7 @@ def df(request):
         return tm.makeCustomDataframe(
             5,
             3,
-            data_gen_f=lambda *args: randint(2),
+            data_gen_f=lambda *args: np.random.randint(2),
             c_idx_type="s",
             r_idx_type="i",
             c_idx_names=[None],

pandas/tests/io/test_html.py

@@ -7,7 +7,6 @@
 from urllib.error import URLError
 
 import numpy as np
-from numpy.random import rand
 import pytest
 
 from pandas.compat import is_platform_windows
@@ -110,7 +109,7 @@ def test_to_html_compat(self):
             tm.makeCustomDataframe(
                 4,
                 3,
-                data_gen_f=lambda *args: rand(),
+                data_gen_f=lambda *args: np.random.rand(),
                 c_idx_names=False,
                 r_idx_names=False,
             )

pandas/tests/plotting/common.py

@@ -2,7 +2,6 @@
 import warnings
 
 import numpy as np
-from numpy import random
 
 from pandas.util._decorators import cache_readonly
 import pandas.util._test_decorators as td
@@ -50,11 +49,11 @@ def setup_method(self, method):
                 {
                     "gender": gender,
                     "classroom": classroom,
-                    "height": random.normal(66, 4, size=n),
-                    "weight": random.normal(161, 32, size=n),
-                    "category": random.randint(4, size=n),
+                    "height": np.random.normal(66, 4, size=n),
+                    "weight": np.random.normal(161, 32, size=n),
+                    "category": np.random.randint(4, size=n),
                     "datetime": to_datetime(
-                        random.randint(
+                        np.random.randint(
                             self.start_date_to_int64,
                             self.end_date_to_int64,
                             size=n,