python docx VS python xlrd

• Ease of Use
  python-docx provides a simple API for creating and manipulating .docx files, making it accessible for both beginners and experienced developers.
• Free and Open Source
  Being an open-source library with an active community, python-docx is freely available and continually improved by contributors.
• Comprehensive Documentation
  The library comes with comprehensive documentation, including examples and guidelines, which makes it easier to learn and use effectively.
• Wide Range of Features
  It supports a variety of features for creating and editing document elements like paragraphs, tables, and images, enabling robust document customization.
• Cross-platform Compatibility
  As a Python library, python-docx can run on multiple platforms that support Python, providing flexibility in deployment.

Possible disadvantages

• Performance Limitations
  Handling very large documents might be slow, as python-docx might not be optimized for performance-intensive tasks compared to some other solutions.
• Limited Advanced Features
  While useful for many applications, python-docx may not support all advanced features needed for highly complex document generation and manipulation.
• Memory Consumption
  The library can consume a significant amount of memory when dealing with large documents, which can be a constraint in memory-limited environments.
• Lack of Built-in Validation
  Python-docx does not inherently provide validation for document content, which means errors might not be detected until attempting to open the file.
• Dependency on Microsoft Word
  While not a direct dependency, testing the results of python-docx manipulation often requires Microsoft Word or a compatible reader to ensure fidelity.

• Simplicity
  xlrd provides a straightforward and easy-to-use API for reading Excel files, making it accessible for beginners and quick implementations.
• Widely Used
  xlrd has been a popular choice for handling Excel files in Python, which means there is a lot of available documentation and community support.
• Efficient Reading
  It is optimized for reading data from Excel files without loading entire data into memory, which is beneficial for handling large files.

Possible disadvantages

• No Write Support
  xlrd is designed solely for reading, and it does not support writing or modifying Excel files.
• Limited to Older Excel Formats
  With version 2.0 and above, xlrd only supports the older .xls Excel file format and does not support .xlsx files.
• Deprecated Features
  Due to changes in dependencies and updates to Excel formats, some features in xlrd have become deprecated or removed, which can limit its functionality.

• What Would Go in Your Dream Documentation Solution?

  So, what I'd like to do is write a documentation package in Python to recreate what I've lost. I plan to build upon the fantastic python-docx and docxtpl packages, and I'll probably rely on pandas from much of the tabular stuff. Here are... Source: almost 3 years ago

• See unknow person with a problem in Stackoverflow: writes a library for her

  Here's the project: https://github.com/python-openxml/python-docx. Source: over 3 years ago

• I need to read multiple excel files, extract a column from each and compose a new file

  So to get this out of the way first, xlrd has less features than openpyxl and in addition only works with the old '.xls' format, not the newer '.xlsx' format. Even on the xlrd's Github repo it says: 'Please use openpyxl where you can... '. Source: over 4 years ago

• Sending Bulk SMS using Africas Talking, Python and Excel

  There are few alternative libraries for reading and writing excel files: Pandas, Xlrd , openpyxl among others. In the end I settled for openpyxl as I had the most experience Using it and it had support for .xlsx files. - Source: dev.to / over 5 years ago