To prevent this, we set to True.Student = ĭf.to_excel("students.xlsx", index=False) From experience, immediately is set to True, your Microsoft excel toolbar will be grayed out. Since I am security conscious and don't want anyone to fiddle with my excel data anyhow without my permission, I decided to lock the workbook and provided password incase some changes are inevitable. create_sheet takes a compulsory argument title but I also included the index I want the wooksheet to occupy. By default, after this initialization, a woorksheet instance active is created but since I just didn't want to work with that, I removed it and created mine using workbook.create_sheet(title='Latest Cryptocurrency Coins Data', index=1). You could use StringIO as well but I favour the former. First, it instantiated a temporary memory to hold the excel file before sending using BytesIO. The next and major task - export_data_to_excel - does the extraction of data to excel format. Then it was scheduled to run every 1 minute. We gave it a name, which is the normal name we defined it as, and gave the thorough path where it can be found '_coins_data_from_coingecko_and_store'. send ()Įnter fullscreen mode Exit fullscreen mode getvalue (), 'application/vnd.ms-excel' ) message. attach ( 'latest-coin-list.xlsx', excelfile. from pathlib import Path from typing import Any # add these lines for python-decouple and celery.įrom celery.schedules import crontab from decouple import Csv, config. The entire source code for this article can be accessed via: Knowledge of HTML, and CSS (and its frameworks - Bootstrap for this project) is also assumed. You don't have to be militant at that though. You should also be familiar with writing tests for Django models, methods, views, celery tasks, and functions. It is assummed that readers are pretty familiar with Django and JavaScript as well as the typed extension of Python using mypy, typing built-in module, and the rules by PEP8. It's my deepest hope that you will find it helpful. This experience birthed this article where I utilized coingecko's api to periodically fetch cryptocurrency's coin's data, store the data in a database, and then display as well as allow users to extract the data to excel files sent to any email address provided. xlsx)" so I decided to try the package out. From further research, I came across Working with Excel Files in Python, from Working with Spreadsheets using Python, which recommended openpyxl for "reading and writing Excel 2010 files (ie. Though a great companion, I needed a different file extension and was solving a slightly different problem. xls excel file format and served it as response data to the user for download. To solve this problem, I looked at a similar solution by Vitor Freitas who used xlwt to export Django model's data to. xls excel file extension and none really talked about sending excel file as attachments of an email sent via Django. It was a big problem for me to figure out how to do this with that file extension as most available solutions were using the old. xlsx excel format and sent, as attachment, to a provided email address literally. That was the case for me few days ago when I had to implement a feature where Django model's data are converted to. As business requirements evolve, certain features are expected to evolve as well.
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