ENH: Add strict=True/False to zip calls in pandas/core/internals

Author: Anthony Speicher

pandas/core/internals/blocks.py

@@ -564,7 +564,7 @@ def convert_dtypes(
                 rbs.append(blk.copy(deep=False))
                 continue
 
-            for dtype, b in zip(dtypes, sub_blks):
+            for dtype, b in zip(dtypes, sub_blks, strict=True):
                 rbs.append(b.astype(dtype=dtype, squeeze=b.ndim != 1))
         return rbs
 
@@ -803,7 +803,7 @@ def replace_list(
         # Exclude anything that we know we won't contain
         pairs = [
             (x, y)
-            for x, y in zip(src_list, dest_list)
+            for x, y in zip(src_list, dest_list, strict=True)
             if (self._can_hold_element(x) or (self.dtype == "string" and is_re(x)))
         ]
         if not pairs:
@@ -833,7 +833,7 @@ def replace_list(
         # references when we check again later
         rb = [self]
 
-        for i, ((src, dest), mask) in enumerate(zip(pairs, masks)):
+        for i, ((src, dest), mask) in enumerate(zip(pairs, masks, strict=True)):
             new_rb: list[Block] = []
 
             # GH-39338: _replace_coerce can split a block into
@@ -2117,7 +2117,7 @@ def _unstack(
                 BlockPlacement(place),
                 ndim=2,
             )
-            for i, (indices, place) in enumerate(zip(new_values, new_placement))
+            for i, (indices, place) in enumerate(zip(new_values, new_placement, strict=True))
         ]
         return blocks, mask
 

pandas/core/internals/construction.py

@@ -302,7 +302,7 @@ def ndarray_to_mgr(
             for x in obj_columns
         ]
         # don't convert (and copy) the objects if no type inference occurs
-        if any(x is not y for x, y in zip(obj_columns, maybe_datetime)):
+        if any(x is not y for x, y in zip(obj_columns, maybe_datetime, strict=True)):
             block_values = [
                 new_block_2d(ensure_block_shape(dval, 2), placement=BlockPlacement(n))
                 for n, dval in enumerate(maybe_datetime)

pandas/core/internals/managers.py

@@ -385,7 +385,7 @@ def equals(self, other: object) -> bool:
         self_axes, other_axes = self.axes, other.axes
         if len(self_axes) != len(other_axes):
             return False
-        if not all(ax1.equals(ax2) for ax1, ax2 in zip(self_axes, other_axes)):
+        if not all(ax1.equals(ax2) for ax1, ax2 in zip(self_axes, other_axes, strict=True)):
             return False
 
         return self._equal_values(other)
@@ -989,7 +989,7 @@ def _slice_take_blocks_ax0(
                     elif only_slice:
                         # GH#33597 slice instead of take, so we get
                         #  views instead of copies
-                        for i, ml in zip(taker, mgr_locs):
+                        for i, ml in zip(taker, mgr_locs, strict=True):
                             slc = slice(i, i + 1)
                             bp = BlockPlacement(ml)
                             nb = blk.getitem_block_columns(slc, new_mgr_locs=bp)
@@ -2411,12 +2411,12 @@ def _tuples_to_blocks_no_consolidate(tuples, refs) -> list[Block]:
         new_block_2d(
             ensure_block_shape(arr, ndim=2), placement=BlockPlacement(i), refs=ref
         )
-        for ((i, arr), ref) in zip(tuples, refs)
+        for ((i, arr), ref) in zip(tuples, refs, strict=True)
     ]
 
 
 def _stack_arrays(tuples, dtype: np.dtype):
-    placement, arrays = zip(*tuples)
+    placement, arrays = zip(*tuples, strict=True)
 
     first = arrays[0]
     shape = (len(arrays),) + first.shape