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ENH: support none in header list #37625 #38515

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ENH: support none in header list #37625 #38515

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d501e03
added feature to support reading multiple sheets of read_excel()
Alvinwuzw Dec 11, 2020
8df6dbf
change io/parsers.py back to its original version
Alvinwuzw Dec 11, 2020
11dd474
Added new feature for GH37625 to read mutiple headers
Alvinwuzw Dec 15, 2020
2d43721
deleted uneeded files for previous commit
Alvinwuzw Dec 16, 2020
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18 changes: 11 additions & 7 deletions pandas/io/excel/_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -458,7 +458,7 @@ def parse(
sheets = list(dict.fromkeys(sheets).keys())

output = {}

header_input = header
for asheetname in sheets:
if verbose:
print(f"Reading sheet {asheetname}")
Expand All @@ -475,7 +475,10 @@ def parse(
output[asheetname] = DataFrame()
continue

if is_list_like(header) and len(header) == 1:
if isinstance(header_input, dict):
header = header_input[asheetname]

elif is_list_like(header) and len(header) == 1:
header = header[0]

# forward fill and pull out names for MultiIndex column
Expand All @@ -487,12 +490,13 @@ def parse(
for row in header:
if is_integer(skiprows):
row += skiprows
# the line we changed
if row:
data[row], control_row = fill_mi_header(data[row], control_row)

data[row], control_row = fill_mi_header(data[row], control_row)

if index_col is not None:
header_name, _ = pop_header_name(data[row], index_col)
header_names.append(header_name)
if index_col is not None:
header_name, _ = pop_header_name(data[row], index_col)
header_names.append(header_name)

if is_list_like(index_col):
# Forward fill values for MultiIndex index.
Expand Down