AttributeError: 'NoneType' object has no attribute 'get'

How to correct what is written below: Exception in Tkinter callback Traceback (most recent call last): File "C:\Users\Dani Brothers\Anaconda3\lib\tkinter\__init__.py", line 1705, in __call__ return self.func(*args) File "D:/Python/Book Bank/New folder/PyCharm/Final/Excel.py", line 57, in

What to write or search on github to get the code for what is written below:

All this is going to be in python’s flask and HTML only 1. First, I have to check in the Excel sheet or table whether the book user has entered is present in the book bank or not. 2. If a book is present and the quantity of the required book is greater than 0 (COPIES_LEFT column in excel file)

Re: What to write or search on github to get the code for what is written below:

On Friday, 7 January 2022 at 02:59:17 UTC+5, alister wrote: > On Thu, 6 Jan 2022 10:55:30 -0800 (PST), NArshad wrote: > > > All this is going to be in python’s flask and HTML only > > > > 1. First, I have to check in the Excel sheet or table whether the book > >

Re: What to write or search on github to get the code for what is written below:

-Whose time?? My time I do not have not time to switch to a database but if necessary I can use the database to make changes in Excel column entries. -No changes?? I cannot change the column names. -“maybe the point is that at any time one has to be able to re-export to the original excel

Re: What to write or search on github to get the code for what is written below:

Using openpyxl is pretty straightforward: from openpyxl import load_workbook wb = load_workbook(spreadsheet_path) sheet = wb.active # Reading the values in cells: print('Cell A1 contains', sheet['A1'].value) print('Cell A2 contains', sheet['A2'].value) print('Cell B1 contains', sheet['B1'].valu

Re: What to write or search on github to get the code for what is written below:

-“How are the relevant cells identified in the spreadsheet?” The column headings are: BOOK_NAME BOOK_AUTHOR BOOK_ISBN TOTAL_COPIES COPIES_LEFT BORROWER’S_NAME ISSUE_DATE RETURN_DATE -“It's often the case that the cells on the first row contain text as column labels.” These I have written above

Re: What to write or search on github to get the code for what is written below:

- “if you are deploying to something like Heroku for the application -- the Excel file will have to be deployed also, and no one except your application will be able to see it there. Under this situation, there is no reason/excuse to keep the data in the very inefficient format you've defined i

Re: What to write or search on github to get the code for what is written below:

What Dennis Lee is saying I will see to it later. Right now what mrabarrnett is saying is of use. Why does the code written below is not giving any output? xls = ExcelFile('ABC.xlsx') df = xls.parse(xls.sheet_names[0], index_col=1) x=df.to_dict() print (x) Only the contents o

Re: What to write or search on github to get the code for what is written below:

Avi Gross: -“They just were hoping someone would post complete code and they could then move on without learning anything.” This is due to the time factor -- https://mail.python.org/mailman/listinfo/python-list

Re: What to write or search on github to get the code for what is written below:

Avi Gross: What does the website "https://mail.python.org/mailman/listinfo/python-list"; do? Can I use this for the discussions which I require? -- https://mail.python.org/mailman/listinfo/python-list

Re: What to write or search on github to get the code for what is written below:

- I will try to follow all that you people are saying, but it will take time or next time. The chance of concurrency is very less. Kindly don't write big descriptions. - The weblink Avi Gross has given is very useful. -- https://mail.python.org/mailman/listinfo/python-list

Re: What to write or search on github to get the code for what is written below:

The user is going to enter the book name as the input of an HTML form on a website and I have to check whether the book is present or not in the Excel table. openpyxl preferred pandas is also fine anything left. Case sensitivity is not required. I tried to find code or tutorial on google searc

Re: What to write or search on github to get the code for what is written below:

On Sun, 23 Jan 2022 09:17:38 +1100, Chris Angelico <> declaimed the following: > >Absolutely agree with making a console app first. Though I rather >suspect the OP doesn't want to write any code at all. > I am not writing any code because I don’t know what code to do next. Still, I have made a

Re: What to write or search on github to get the code for what is written below:

What about CGI? Do you know any Library Management System based on CGI just like the one on Django? -- https://mail.python.org/mailman/listinfo/python-list

PermissionError: [Errno 13] Permission denied: 'Abc.xlsx'

When I enter data using Tkinter form in an Excel file when the excel file is closed there is no error but when I enter data using Tkinter form when the excel is already open following error comes: Exception in Tkinter callback Traceback (most recent call last): File "C:\Users\Dani Brothers\A

How to solve the given problem?

Assume that there is a pattern of feeding for a special fish in a day (10 hours a day) as below: 150100303030202010 55 Today, the fish is fed in the second hour 60 unit instead of 100 unit Accidently. Implement some methods to d

Re: How to solve the given problem?

-ChrisA: You don't reply if you have problems. When I don't find any solution elsewhere then only I place in this group -Christian: One problem of different type requires the same elaboration. Q. What technique of statistics or numerical computation or general mathematics to use to solve this