Fix: Add missing dependencies jmespath and pyparsing to pyproject.toml

[rsleedbx]

Fix: Add missing dependencies jmespath and pyparsing

Closes #379

Description

This PR fixes missing dependency declarations in pyproject.toml. The package imports jmespath and pyparsing in its source code but doesn't declare them as dependencies, causing ModuleNotFoundError on fresh installations.

Changes

Added two missing dependencies to pyproject.toml:

dependencies = [
    "databricks-sdk~=0.57",
+   "jmespath>=1.0.0",
+   "pyparsing>=3.0.0",
]

Evidence of Missing Dependencies

File: dbldatagen/utils.py (line 18)

import jmespath

File: dbldatagen/schema_parser.py (line 10)

import pyparsing as pp

These imports exist in the codebase but the packages are not declared as dependencies in pyproject.toml, causing failures on fresh installations.

Impact

Before This Fix:

• ❌ Fresh installations fail with ModuleNotFoundError
• ❌ Users must manually discover and install missing packages
• ❌ Breaks automated CI/CD pipelines
• ❌ Poor user experience for new users

After This Fix:

• ✅ All dependencies installed automatically with pip
• ✅ Package works out of the box
• ✅ Improved reliability and user experience
• ✅ CI/CD pipelines work without manual intervention
• ✅ Professional, production-ready package

Testing

✅ Tested in production environment where the missing dependencies were discovered
✅ Fresh virtual environment installation now works correctly
✅ All features using jmespath and pyparsing function properly
✅ No breaking changes to existing functionality
✅ Backward compatible - existing installations unaffected

Why These Version Constraints?

• jmespath>=1.0.0 - Stable, mature package (current: 1.0.1)
• pyparsing>=3.0.0 - Current stable major version (3.x series)

Using >= provides flexibility while ensuring minimum required versions are met. Both packages are mature with stable APIs.

Verification Steps

Before this fix:

python -m venv test_env
source test_env/bin/activate
pip install dbldatagen
# Result: ModuleNotFoundError when using the package

After this fix:

python -m venv test_env
source test_env/bin/activate
pip install dbldatagen
# Result: All dependencies installed automatically ✅

Related Issue

Fixes #379 - Missing dependencies: jmespath and pyparsing not declared in pyproject.toml

Checklist

• Changes are minimal and focused on the issue
• No breaking changes introduced
• Dependencies are well-established, stable packages
• Version constraints are appropriate
• Tested in production environment
• Backward compatible with existing installations
• Improves package reliability and user experience

Additional Notes

This is a critical fix that affects all fresh installations of the package. The change is minimal (2 lines) but has significant impact on usability and reliability. Both jmespath and pyparsing are mature, widely-used packages with minimal maintenance burden.

The fix has been tested in production environments where the missing dependencies were initially discovered, and all functionality works as expected.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.12%. Comparing base (4687b8c) to head (536cbf3).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #380   +/-   ##
=======================================
  Coverage   92.12%   92.12%           
=======================================
  Files          47       47           
  Lines        4217     4217           
  Branches      766      766           
=======================================
  Hits         3885     3885           
  Misses        186      186           
  Partials      146      146           

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