Skip to content

GSoC'24 PSF @ PyAr pyafipws Final Submission Report

ABHISHEK SONI edited this page Aug 20, 2024 · 6 revisions

Black and Gold Simple Modern Geometric Law Consultant LinkedIn Banner-2

Abhishek Soni

πŸŽ“ Final Year B.Tech Student | πŸ’» Computer Science Engineering

Google Summer of Code 2024 Contributor

As a passionate computer science enthusiast, I embarked on an exhilarating journey with Google Summer of Code 2024. This opportunity allowed me to contribute to pyafipws, a crucial Python library interfacing with Argentine tax authority (AFIP) web services.

πŸš€ My GSoC Journey with pyafipws

Role: Open Source Contributor
Duration: 12 Weeks
Project: pyafipws

This experience has been a cornerstone in my development as a software engineer, allowing me to:

  • πŸ” Dive deep into real-world software development and Testing
  • 🀝 Collaborate with experienced developers
  • πŸ› οΈ Enhance my problem-solving skills
  • πŸ“š Learn and apply best practices in open-source development

Join me as I unfold the story of my contributions, challenges, and growth throughout this incredible GSoC experience!

Project Overview

PyAfipWs is a comprehensive Python library designed to interact with web services provided by AFIP (AdministraciΓ³n Federal de Ingresos PΓΊblicos), Argentina's federal tax agency. The project's primary focus is on electronic invoicing and various tax-related operations.

Key aspects of pyafipws include:

  • Modules for operating with AFIP web services
  • Support for electronic invoicing across different markets (domestic, foreign trade, etc.)
  • Integration with other government agencies for traceability and regulatory compliance
  • Handling of various data interchange formats (TXT, CSV, DBF, XML, JSON)
  • Tools for authentication, invoice authorization, and other critical processes

This library plays a crucial role in helping Argentine businesses comply with tax regulations, streamline their invoicing processes, and interact efficiently with government systems.

Implemented Features

1. Comprehensive Test Suite for Formatos Modules

As a cornerstone of my GSoC project, I spearheaded the development of an extensive testing framework for PyAfipWs, with a laser focus on the formatos modules. This initiative resulted in six meticulously crafted test suites, dramatically elevating the project's robustness and maintainability.

πŸ§ͺ Test Suites Overview

Module Test Suite Coverage Key Focus Areas Pull Request
formato_csv.py test_formato_csv.py 88% CSV operations, data integrity https://github.com/PyAr/pyafipws/pull/151
formato_dbf.py test_formato_dbf.py 95% DBF file handling, data validation https://github.com/PyAr/pyafipws/pull/155
formato_sql.py test_formato_sql.py 93% SQL query generation, DB interactions https://github.com/PyAr/pyafipws/pull/156
formato_txt.py test_formato_txt.py 88% Text parsing, data extraction https://github.com/PyAr/pyafipws/pull/157
formato_xml.py test_formato_xml.py 88% XML validation, data serialization https://github.com/PyAr/pyafipws/pull/160
formato_json.py test_formato_json.py 83% JSON handling, schema validation https://github.com/PyAr/pyafipws/pull/162

πŸ“ Commit Logs

Module Commit Hash Date Commit Message Stats
test_formato_csv.py 6b85d45 May 28, 2024 csv-testing : leer function Files changed: 5
+1,579 insertions, βˆ’84 deletions
523eb0f May 29, 2024 formato_csv : leer tests updated
f707855 Jun 10, 2024 test_formato_csv : draft
3ed426d Jun 16, 2024 feat : added tests for all functions and fixed failing build
1c141f1 Aug 15, 2024 removed unittest dependency
test_formato_dbf.py 86c9b08 May 25, 2024 test_formato_dbf : initial test cases Files changed: 3
+581 βˆ’35
0f88d79 May 25, 2024 test_formato_dbf : initial tests
5d39b60 Jun 24, 2024 refactor(formato_dbf) : improved dbf handling and added extensive tests
355531f Aug 16, 2024 ran black and flake8 to follow PEP8
test_formato_sql.py 49379c7 Jun 13, 2024 feat : added esquema_sql test cases Files changed: 2
+1,481 βˆ’57
a2229c5 Jun 16, 2024 feat: added tests for 'configurar' and 'ejecutar' functions
975900f Jun 18, 2024 feat : added test cases for max_id, redondear and ecribir functions
757db8b Jun 19, 2024 feat : tests added for modificar function
b5292eb Jun 19, 2024 feat : tests added for leer function
a9cf0c6 Jun 20, 2024 feat : tests added for ayuda function
4087a67 Aug 16, 2024 ran black and flake8 to make sure the test suite is PEP8 compliance
test_formato_txt.py c84580e Jun 21, 2024 feat : Tests added for leer_linea_txt function Files changed: 1
+857 βˆ’0
352544a Jun 22, 2024 feat : Tests added for escribir_linea_txt and leer function
b42cdb4 Jun 22, 2024 feat : Tests added for escribir function
546f5c7 Aug 15, 2024 ran black and flake8 to follow PEP8 & removed unittest.mock dependency
test_formato_xml.py bde2d02 Jun 12, 2024 feat : added tests for formato_xml.py module Files changed: 2
+180 βˆ’4
d42229e Aug 15, 2024 ran black and falke8 to follow PEP8 & removed unittest dependency
test_formato_json.py 399310c Jun 10, 2024 test_formato_json.py : draft Files changed: 2
+170 βˆ’6
87db461 Jun 11, 2024 build fail fixed
0bae657 Jul 9, 2024 tests updated with pytest

πŸ“Š Tracking Issue

Description Issue Link
Comprehensive Tracking https://github.com/PyAr/pyafipws/issues/161

2. Enhanced Test Coverage and New Test Suites

This section details the improvements made to existing test suites and the introduction of new ones, as outlined in PR #165.

Test Coverage Improvements

Test Module Original Coverage New Coverage Improvement
test_pyemail.py 76% 89% +13%
test_pyi25.py 82% 86% +4%
test_ws_sr_padron.py 69% 80% +11%
test_wsaa.py 66% 77% +11%
test_cot.py N/A (New) 74% +74%
test_recex1.py N/A (New) 82% +82%

πŸ§ͺ Test Suites Overview

Module Test Suite Coverage Key Focus Areas Pull Request
pyemail.py test_pyemail.py 89% Email functionality, edge cases PR #165
pyi25.py test_pyi25.py 86% I25 barcode generation PR #165
ws_sr_padron.py test_ws_sr_padron.py 80% AFIP taxpayer registry interactions PR #165
wsaa.py test_wsaa.py 77% Authentication and authorization PR #165
cot.py test_cot.py 74% COT functionality PR #165
recex1.py test_recex1.py 82% RECEX document processing PR #165

πŸ“ Commit Logs

Module Commit Hash Date Commit Message Stats
test_pyemail.py 2da128a Jul 14, 2024 test_pyemail.py Files changed: 8, 1,301 insertions(+), 60 deletions(-)
test_pyi25.py 3748f93 Jul 14, 2024 test_pyi25.py
test_ws_sr_padron.py 363fb2a Jul 14, 2024 test_ws_sr_padron.py
test_wsaa.py 92f3c7b Jul 14, 2024 test_wsaa.py
test_cot.py edcbe3a Jul 17, 2024 test_cot.py
test_cot.py b6da2b6 Jul 17, 2024 update test_cot.py
test_recex1.py 5e94653 Jul 19, 2024 test suite for recex1.py

3. VBS and COM Automation Tests in PowerShell

This section details the improvements made to VBS and COM automation testing using PowerShell, as outlined in PR #168.

πŸ§ͺ Test Suites Overview

Module Test Suite Key Focus Areas Pull Request
Windows Installer PowerShell Scripts Build process, PyI25 COM server PR #168
PyQR PowerShell Scripts COM server integration and testing PR #168
factura_electronica.vbs PowerShell Scripts VBS script functionality testing PR #168

πŸ“ Detailed Commit Logs

Commit Hash Date Commit Message Details Stats
9901a35 Aug 5, 2024 feat(windows-installer): update build process and add PyI25 COM server tests - Update py2exe version to 0.13.0.2 in requirements-dev.txt
- Simplify version handling in setup_win.py
- Add PowerShell test script for PyI25 COM server automation
- Implement Pester testing framework for PyI25 in CI workflow
- Add step to list dist folder contents in CI workflow
Files changed: 10
+338 insertions
-42 deletions
9662e78 Aug 5, 2024 add PyQR COM server integration and testing - Add PyQR component registration step in Windows installer workflow
- Create register_pyqr.py and register_pyqr.bat for COM server registration
- Update pyqr.py to include parent directory in sys.path
- Add new test_pyqr.ps1 for testing PyQR functionality
Files changed: 10
+338 insertions
-42 deletions
c395eab Aug 7, 2024 feat(tests): add PowerShell tests for factura_electronica.vbs and remito_electronico_carico.vbs - Add test_factura_electronica.ps1 to test AFIP electronic invoicing
- Add test_remito_electronico_carnico.ps1 to test meat shipping vouchers
- Update test_pyqr.ps1 to remove commented code
Files changed: 10
+338 insertions
-42 deletions

Alternative Approach: Python Wrappers for Testing

In addition to the PowerShell tests, an alternative approach using Python wrappers was explored in PR #166. While this method was interesting, it was ultimately not the preferred solution for the project.

Key Points of the Python Wrapper Approach

  1. Utilized Python's ctypes library to interact with COM objects
  2. Attempted to create a more Pythonic testing environment for VBS and COM components
  3. Provided a different perspective on testing Windows-specific functionality

Reasons for Not Pursuing This Approach

  1. Limited compatibility with the existing Windows-centric testing infrastructure
  2. Potential issues with accurately replicating the COM environment in Python
  3. Preference for native Windows scripting solutions (PowerShell) for Windows-specific tests

While the Python wrapper approach was intresting, the project ultimately benefited more from the PowerShell-based testing strategy, which aligns better with the Windows ecosystem and provides a more authentic testing environment for VBS and COM components.

Journey Insights: GSoC 2024 Blog Series

Blog Number Link
Blog 1 Read my Blog 1
Blog 2 Read my Blog 2
Blog 3 Read my Blog 3
Blog 4 Read my Blog 4
Blog 5 Read my Blog 5
Blog 6 Read my Blog 6
Blog 7 Read my Blog 7

Future Work

GitHub Workflow Integration for VBS and COM Automation Tests

A key area for future development is the integration of VBS and COM automation tests, written in PowerShell, into the GitHub workflow. This enhancement will significantly improve the continuous integration process for Windows-specific components of PyAfipWs. Key steps include:

  1. Updating the GitHub Actions workflow to include a Windows environment
  2. Configuring the necessary COM components and dependencies in the CI environment
  3. Executing PowerShell scripts as part of the test suite
  4. Handling and reporting test results within the GitHub Actions interface

This integration will ensure that Windows-specific functionality is consistently tested with each code change, maintaining the reliability of PyAfipWs across different platforms.

Automated Documentation

While not an immediate priority, the concept of automated documentation remains an interesting avenue for future exploration. This could potentially include:

  • Automated generation of API documentation from docstrings
  • Creation of usage examples based on test cases
  • Maintaining an up-to-date changelog through commit message analysis

These features could significantly enhance the project's documentation, making it easier for new contributors to get involved and for users to stay informed about the latest changes and features.

Conclusion

The GSoC 2024 project with PyAfipWs has significantly enhanced the project's quality and reliability:

  • Formato test suites increased overall project coverage by 14%
  • 4 improved test suites and 2 new ones added another 5% coverage
  • Total coverage improvement: approximately 20%
  • Resolved various bugs, dependency issues, and conflicts

Key achievements:

  1. Comprehensive test suite development
  2. VBS and COM automation testing implementation
  3. Modernization of dependencies
  4. Continuous integration improvements

This project has been an incredible learning experience, providing valuable insights into open-source development, testing strategies, and collaborative coding practices.

Acknowledgements

I would like to express my heartfelt gratitude to my mentors who have been instrumental in guiding me throughout this Google Summer of Code journey: Their expertise and unwavering support have been crucial in navigating the complexities of PyAfipWs.their insights on best practices and deep understanding of the project have been invaluable.

Mariano Reingart

Mariano Reingart

Nicolas Sandolwal

Nicolas Sandowal

I am profoundly grateful for their time, effort, and the knowledge they've shared. This project's success is a testament to their excellent mentorship.