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feat(python): add __repr__ and __bool__ to SqlmathDb #6

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Merged
kaizhu256 merged 2 commits into from
May 1, 2026
Merged

feat(python): add __repr__ and __bool__ to SqlmathDb #6

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feat(python): add __repr__ and __bool__ to SqlmathDb
ababber Apr 24, 2026
3fc0a26
docs(changelog): add __repr__ and __bool__ entry
ababber May 1, 2026
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
- none

# v2026.4.1-beta
- sqlmath-python - Add __repr__ and __bool__ methods to SqlmathDb for better debugging experience.
- sqlmath - Removue under-used custom-files sqlmath_custom.c, sqlmath_custom.mjs.
- github-ci - Pin various github-runner-os to stable/lts version.
- sqlmath-demo - Change historical charts from 5-years to 3-years.
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9 changes: 9 additions & 0 deletions sqlmath/__init__.py
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Expand Up @@ -106,6 +106,15 @@ class SqlmathDb:
filename = ""
ptr = 0

def __repr__(self):
"""Return string representation for debugging."""
state = "closed" if self.closed else "open"
return f"SqlmathDb({self.filename!r}, {state})"

def __bool__(self):
"""Return True if database is open."""
return not self.closed


class SqlmathError(Exception):
"""Sqlmath error."""
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