Replaced xrange with range (#30417)

Author: ShaharNaveh

ci/code_checks.sh

@@ -52,7 +52,7 @@ if [[ -z "$CHECK" || "$CHECK" == "lint" ]]; then
     black --version
 
     MSG='Checking black formatting' ; echo $MSG
-	black . --check
+    black . --check
     RET=$(($RET + $?)) ; echo $MSG "DONE"
 
     # `setup.cfg` contains the list of error codes that are being ignored in flake8
@@ -104,7 +104,7 @@ if [[ -z "$CHECK" || "$CHECK" == "lint" ]]; then
     isort --version-number
 
     # Imports - Check formatting using isort see setup.cfg for settings
-    MSG='Check import format using isort ' ; echo $MSG
+    MSG='Check import format using isort' ; echo $MSG
     ISORT_CMD="isort --recursive --check-only pandas asv_bench"
     if [[ "$GITHUB_ACTIONS" == "true" ]]; then
         eval $ISORT_CMD | awk '{print "##[error]" $0}'; RET=$(($RET + ${PIPESTATUS[0]}))
@@ -203,6 +203,10 @@ if [[ -z "$CHECK" || "$CHECK" == "patterns" ]]; then
     invgrep -R --include=*.{py,pyx} '\.__class__' pandas
     RET=$(($RET + $?)) ; echo $MSG "DONE"
 
+    MSG='Check for use of xrange instead of range' ; echo $MSG
+    invgrep -R --include=*.{py,pyx} 'xrange' pandas
+    RET=$(($RET + $?)) ; echo $MSG "DONE"
+
     MSG='Check that no file in the repo contains trailing whitespaces' ; echo $MSG
     INVGREP_APPEND=" <- trailing whitespaces found"
     invgrep -RI --exclude=\*.{svg,c,cpp,html,js} --exclude-dir=env "\s$" *

pandas/_libs/testing.pyx

@@ -159,7 +159,7 @@ cpdef assert_almost_equal(a, b,
 
             raise_assert_detail(obj, f"{obj} length are different", na, nb, r)
 
-        for i in xrange(len(a)):
+        for i in range(len(a)):
             try:
                 assert_almost_equal(a[i], b[i],
                                     check_less_precise=check_less_precise)

pandas/tests/arrays/categorical/test_constructors.py

@@ -277,21 +277,19 @@ def test_constructor_with_index(self):
     def test_constructor_with_generator(self):
         # This was raising an Error in isna(single_val).any() because isna
         # returned a scalar for a generator
-        xrange = range
 
         exp = Categorical([0, 1, 2])
         cat = Categorical((x for x in [0, 1, 2]))
         tm.assert_categorical_equal(cat, exp)
-        cat = Categorical(xrange(3))
+        cat = Categorical(range(3))
         tm.assert_categorical_equal(cat, exp)
 
-        # This uses xrange internally
         MultiIndex.from_product([range(5), ["a", "b", "c"]])
 
         # check that categories accept generators and sequences
         cat = Categorical([0, 1, 2], categories=(x for x in [0, 1, 2]))
         tm.assert_categorical_equal(cat, exp)
-        cat = Categorical([0, 1, 2], categories=xrange(3))
+        cat = Categorical([0, 1, 2], categories=range(3))
         tm.assert_categorical_equal(cat, exp)
 
     @pytest.mark.parametrize(

pandas/tests/frame/test_block_internals.py

@@ -585,10 +585,6 @@ def test_strange_column_corruption_issue(self):
         df = DataFrame(index=[0, 1])
         df[0] = np.nan
         wasCol = {}
-        # uncommenting these makes the results match
-        # for col in xrange(100, 200):
-        #    wasCol[col] = 1
-        #    df[col] = np.nan
 
         for i, dt in enumerate(df.index):
             for col in range(100, 200):

pandas/tests/io/test_html.py

@@ -178,7 +178,7 @@ def test_skiprows_int(self):
 
         assert_framelist_equal(df1, df2)
 
-    def test_skiprows_xrange(self):
+    def test_skiprows_range(self):
         df1 = self.read_html(self.spam_data, ".*Water.*", skiprows=range(2))[0]
         df2 = self.read_html(self.spam_data, "Unit", skiprows=range(2))[0]
         tm.assert_frame_equal(df1, df2)