I have created the function to export the excel sheet separately now i need
to combine the separate sheets into single excel file :
when use this showing the 200 response but the excel file was not generated
in my file so help me to fix it
@api_view (['POST'])
@permission_classes([IsAuthenticated])
def export_combined_template(request):
# Create an in-memory output buffer
output = io.BytesIO()
# Get DataFrames from each export function
df_contractor = export_contractor_excel_sheet_template()
df_applicability = export_example_applicability_template()
df_incharge = export_incharge_owner_template()
# Optional: Log DataFrame shapes to verify data is present
print("Contractor DF shape:", df_contractor.shape)
print("Applicability DF shape:", df_applicability.shape)
print("Incharge DF shape:", df_incharge.shape)
# Use ExcelWriter to combine multiple sheets into a single Excel file
with pd.ExcelWriter(output, engine='xlsxwriter') as writer:
# Write Contractor Template sheet
df_contractor.to_excel(writer, sheet_name='Contractor Template', index=False
)
contractor_ws = writer.sheets['Contractor Template']
header_format = writer.book.add_format({'bold': True, 'align': 'center',
'valign': 'vcenter'})
for col_num, header in enumerate(df_contractor.columns):
contractor_ws.write(0, col_num, header, header_format)
contractor_ws.set_column(col_num, col_num, 18)
# Add dropdown validation for "Is Sub Contractor" (column index 4)
contractor_ws.data_validation(1, 4, 1048575, 4, {
'validate': 'list',
'source': ['Yes', 'No'],
'ignore_blank': True
})
# Write Applicability Template sheet
df_applicability.to_excel(writer, sheet_name='Applicability Template', index
=False)
applicability_ws = writer.sheets['Applicability Template']
for col_num, header in enumerate(df_applicability.columns):
applicability_ws.write(0, col_num, header, header_format)
applicability_ws.set_column(col_num, col_num, 18)
# Add dropdown validation for "Is Enable" (column index 2)
applicability_ws.data_validation(1, 2, 1048575, 2, {
'validate': 'list',
'source': ['Yes', 'No'],
'ignore_blank': True
})
# Write Incharge Owner Template sheet
df_incharge.to_excel(writer, sheet_name='Incharge Owner Template', index=
False)
incharge_ws = writer.sheets['Incharge Owner Template']
for col_num, header in enumerate(df_incharge.columns):
incharge_ws.write(0, col_num, header, header_format)
incharge_ws.set_column(col_num, col_num, 18)
# (Add additional formatting or validations for the incharge sheet if
needed)
# Rewind the buffer to the beginning
output.seek(0)
# Build the HTTP response with the Excel file
response = HttpResponse(
output.read(),
content_type=
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
)
response['Content-Disposition'] = 'attachment;
filename="combined_templates.xlsx"'
return response
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