Processing large XLSX file in python
问题 I have a large xlsx Excel file (56mb, 550k rows) from which I tried to read the first 10 rows. I tried using xlrd , openpyxl , and pyexcel-xlsx , but they always take more than 35 mins because it loads the whole file in memory. I unzipped the Excel file and found out that the xml which contains the data I need is 800mb unzipped. When you load the same file in Excel it takes 30 seconds. I'm wondering why it takes that much time in Python? 回答1: Here is it, i found a solution. The fastest way to