CODEWITHSUNDEEP
pythonexcelxlrd
wDroter
wDroter

Reputation: 1249

python xlrd unsupported format, or corrupt file.

My code: 

import xlrd
wb = xlrd.open_workbook("Z:\\Data\\Locates\\3.8 locates.xls")
sh = wb.sheet_by_index(0)
print sh.cell(0,0).value

The error: 

Traceback (most recent call last):
File "Z:\Wilson\tradedStockStatus.py", line 18, in <module>
wb = xlrd.open_workbook("Z:\\Data\\Locates\\3.8 locates.xls")
File "C:\Python27\lib\site-packages\xlrd\__init__.py", line 429, in open_workbook
biff_version = bk.getbof(XL_WORKBOOK_GLOBALS)
File "C:\Python27\lib\site-packages\xlrd\__init__.py", line 1545, in getbof
bof_error('Expected BOF record; found %r' % self.mem[savpos:savpos+8])
File "C:\Python27\lib\site-packages\xlrd\__init__.py", line 1539, in bof_error
raise XLRDError('Unsupported format, or corrupt file: ' + msg)
xlrd.biffh.XLRDError: Unsupported format, or corrupt file: Expected BOF record;
found '<table r'"

The file doesn't seem to be corrupted or of a different format. Anything to help find the source of the issue would be great.

Upvotes: 56

Views: 219858

Answers (24)

N S
N S

Reputation: 11

import os
import pandas as pd

# Rename the file if it's not already a .csv file
if not os.path.exists('3.8 locates.csv'):
    os.rename('3.8 locates.xls', '3.8 locates.csv')

# Load the data into a pandas dataframe
df = pd.read_csv("3.8 locates.csv", sep='\t|\n', engine='python')

# Show the first 5 rows of the dataframe
print(df.head())

The code imports the os and pandas modules and then uses them to perform the following operations:

  1. Check if the file '3.8 locates.csv' exists.
  2. If it does not exist, it renames the file '3.8 locates.xls' to '3.8 locates.csv'.
  3. Load the contents of the file '3.8 locates.csv' into a Pandas dataframe using the pd.read_csv method. The sep argument is set to '\t|\n' and the engine argument is set to 'python' to handle the file's separators correctly.
  4. Print the first 5 rows of the dataframe using the df.head() method. Note: The code may not work as expected if the file is not a valid tab-separated or newline-separated file.

Upvotes: 0

Brad667
Brad667

Reputation: 61

melike's answer works for me, while the last output sentence did't work, so if anyone has the same issue with me and wants to output the xlsx file into local location, can just easily modify the last three lines.

import pandas as pd
from bs4 import BeautifulSoup

def convert_to_xlsx():
    with open('sample.xls') as xml_file:
        soup = BeautifulSoup(xml_file.read(), 'xml')
        writer = pd.ExcelWriter('sample.xlsx')
        for sheet in soup.findAll('Worksheet'):
            sheet_as_list = []
            for row in sheet.findAll('Row'):
                sheet_as_list.append([cell.Data.text if cell.Data else '' for cell in row.findAll('Cell')]) 
        output_df = pd.DateFrame(sheet_as_list)
        output_df.to_excel(writer, sheet_name='sheet1',index=False, header=False)
        writer.close()

Upvotes: 0

Thanh L&#234;
Thanh L&#234;

Reputation: 1

This work for me, using encoding="utf-8" from this post UnicodeDecodeError: 'charmap' codec can't decode byte 0x90 in position 100: character maps to <undefined>

    def convert_to_xlsx():
        with open('sample.xls', encoding="utf-8") as xml_file:
            soup = BeautifulSoup(xml_file.read(), 'xml')
            writer = pd.ExcelWriter('sample.xlsx')
            for sheet in soup.findAll('Worksheet'):
                sheet_as_list = []
                for row in sheet.findAll('Row'):
                    sheet_as_list.append([cell.Data.text if cell.Data else '' for cell in row.findAll('Cell')])
                pd.DataFrame(sheet_as_list).to_excel(writer, sheet_name=sheet.attrs['ss:Name'], index=False,
                                                     header=False)

            writer.save()

Upvotes: 0

Marco Trujano Rodriguez
Marco Trujano Rodriguez

Reputation: 21

As they already wrote it is actually html, to see the first table you can use

df= pd.read_html(file)
df[0]

To see how many tables there are you can use

print('Tables found:', len(df))

Upvotes: 0

Mohnish Satidasani
Mohnish Satidasani

Reputation: 91

Try this It worked for me.

import pandas as pd
data = pd.read_csv('filename.xls')

Upvotes: 3

dwaipayan das
dwaipayan das

Reputation: 1

2 ways I know of is to just download the xls file once again and if you are doing in google colab, just load the file once again from your computer and run the pd.read_excel("filename,xlsx") once again . It should work.

Upvotes: 0

Galuoises
Galuoises

Reputation: 3283

It may be an old excel file format. It can be read as html in pandas via

import pandas as pd
df = pd.read_html('file.xls')

Eventually, this gives a list of dataframes (if you check the type is a list). https://pandas.pydata.org/pandas-docs/version/0.17.1/io.html#io-read-html

You need to extract them, for instance with df[0]

Upvotes: 5

SuperNova
SuperNova

Reputation: 27466

I got this error when I tried to read some XLSX files from a folder and that one of the files was opened. I closed the XLSX file and this error did not show up.

Upvotes: 1

foebu
foebu

Reputation: 1415

Try to open it as an HTML with pandas:

import pandas as pd
data = pd.read_html('filename.xls')

Or try any other html python parser.

That's not a proper excel file, but an html readable with excel.

Upvotes: 69

PRATEEK
PRATEEK

Reputation: 1

Open in google sheets and then download from sheets as CSV and then reupload to drive. Then you can Open CSV file from python.

Upvotes: 0

Эрн Ист
Эрн Ист

Reputation: 1

Sometimes help to add ?raw=true at the end of a file path. For example:

wb = xlrd.open_workbook("Z:\\Data\\Locates\\3.8 locates.xls?raw=true")

Upvotes: -1

melike
melike

Reputation: 147

I had faced the same xlrd.biffh.XLRDError: Unsupported format, or corrupt file: Expected BOF record; error and solved it by writing an XML to XLSX converter. The reason is that actually, xlrd does not support XML Spreadsheet (*.xml) i.e. NOT in XLS or XLSX format.


import pandas as pd
from bs4 import BeautifulSoup

def convert_to_xlsx():
    with open('sample.xls') as xml_file:
        soup = BeautifulSoup(xml_file.read(), 'xml')
        writer = pd.ExcelWriter('sample.xlsx')
        for sheet in soup.findAll('Worksheet'):
            sheet_as_list = []
            for row in sheet.findAll('Row'):
                sheet_as_list.append([cell.Data.text if cell.Data else '' for cell in row.findAll('Cell')])
            pd.DataFrame(sheet_as_list).to_excel(writer, sheet_name=sheet.attrs['ss:Name'], index=False, header=False)

        writer.save()

Upvotes: 5

Hietsh Kumar
Hietsh Kumar

Reputation: 1329

Worked on the same issue , finally done this is top for the question so just putting what i did.

Observation - 1 -The file was not actually XLS i renamed to txt and noticed HTML text in file.

2 - Renamed the file to html and tried reading pd.read_html, Failed.

3- Added as it was not there in txt file, removed style to ensure that table is displaying in browser from local, and WORKED.

Below is the code may help someone.. 

import pandas as pd
import os
import shutil
import html5lib
import requests
from bs4 import BeautifulSoup
import re
import time

shutil.copy('your.xls','file.html')
shutil.copy('file.html','file.txt')
time.sleep(2)

txt = open('file.txt','r').read()

# Modify the text to ensure the data display in html page, delete style

txt = str(txt).replace('<style> .text { mso-number-format:\@; } </script>','')

# Add head and body if it is not there in HTML text

txt_with_head = '<html><head></head><body>'+txt+'</body></html>'

# Save the file as HTML

html_file = open('output.html','w')
html_file.write(txt_with_head)

# Use beautiful soup to read

url = r"C:\Users\hitesh kumar\PycharmProjects\OEM ML\output.html"
page = open(url)
soup = BeautifulSoup(page.read(), features="lxml")
my_table = soup.find("table",attrs={'border': '1'})

frame = pd.read_html(str(my_table))[0]
print(frame.head())
frame.to_excel('testoutput.xlsx',sheet_name='sheet1', index=False)

Upvotes: 0

sparsh
sparsh

Reputation: 1

I know there should be a proper way to solve it but just to save time

I uploaded my xlsx sheet to Google Sheets and then again downloaded it from Google Sheets it working now

If you don't have time to solve the problem, you can try this

Upvotes: -1

mbauer
mbauer

Reputation: 116

I had the same issue. Those old files are formatted like a tab-delimited file. I've been able to open my problem files with read_table; ie df = pd.read_table('trouble_maker.xls').

Upvotes: 1

TruelyBob
TruelyBob

Reputation: 11

I met this problem too.I opened this file by excel and saved it as other formats such as excel 97-2003 and finally I solved this problem

Upvotes: 1

Ira Noviani
Ira Noviani

Reputation: 61

I found the similar problem when downloading .xls file and opened it using xlrd library. Then I tried out the solution of converting .xls into .xlsx as detailed here: how to convert xls to xlsx

It works like a charm and rather than opening .xls, I am working with .xlsx file now using openpyxl library.

Hope it helps to solve your issue.

Upvotes: 6

Mark K
Mark K

Reputation: 9348

I meet the same problem.

it lies in the .xls file itself - it looks like an Excel file however it isn't. (see if there's a pop up when you plainly open the .xls from Excel)

sjmachin commented on Jan 19, 2013 from https://github.com/python-excel/xlrd/issues/26 helps.

Upvotes: 0

Amir Rahnama
Amir Rahnama

Reputation: 6214

In my case, after opening the file with a text editor as @john-machin suggested, I realized the file is not encrypted as an Excel file is supposed to but it's in the CSV format and was saved as an Excel file. What I did was renamed the file and its extension and used read_csv function instead: 

os.rename('sample_file.xls', 'sample_file.csv')
csv = pd.read_csv("sample_file.csv", error_bad_lines=False)

Upvotes: 4

user1479095
user1479095

Reputation: 395

This will happen to some files while also open in Excel.

Upvotes: 16

Silveira Neto
Silveira Neto

Reputation: 491

I had a similar problem and it was related to the version. In a python terminal check:

>> import xlrd
>> xlrd.__VERSION__

If you have '0.9.0' you can open almost all files. If you have '0.6.0' which was what I found on Ubuntu, you may have problems with newest Excel files. You can download the latest version of xlrd using the Distutils standard.

Upvotes: 8

GE420
GE420

Reputation: 45

there's nothing wrong with your file. xlrd does not yet support xlsx (excel 2007+) files although it's purported to have supported this for some time.

Simplistix github

2-days ago they committed a pre-alpha version to their git which integrates xlsx support. Other forums suggest that you use a DOM parser for xlsx files since the xlsx file type is just a zip archive containing XML. I have not tried this. there is another package with similar functionality as xlrd and this is called openpyxl which you can get from easy_install or pip. I have not tried this either, however, its API is supposed to be similar to xlrd.

Upvotes: -1

userrenren
userrenren

Reputation: 1

I just downloaded xlrd, created an excel document (excel 2007) for testing and got the same error (message says 'found PK\x03\x04\x14\x00\x06\x00'). Extension is a xlsx. Tried saving it to an older .xls format and error disappears .....

Upvotes: 0

John Machin
John Machin

Reputation: 82924

You say:

The file doesn't seem to be corrupted or of a different format.

However as the error message says, the first 8 bytes of the file are '<table r' ... that is definitely not Excel .xls format. Open it with a text editor (e.g. Notepad) that won't take any notice of the (incorrect) .xls extension and see for yourself.

Upvotes: 43

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