feat: Add temporal gap detection to data validation
- Add temporal gap analysis to detect missing working days in data sequences - Implement calculate_working_days_gap() to count business days between dates - Add detect_temporal_gaps() function with configurable gap threshold - Integrate gap detection into validate_currency_data() and validate_all_currencies() - Update format_validation_text() to display temporal gap information - Add --gap-threshold CLI argument (default: 3 working days) - Enhance data quality scoring to include temporal gaps - Update JSON output schema to include temporal gap details Gap Detection Features: - Excludes weekends and Czech public holidays from gap calculations - Classifies gaps by severity (minor: 1-2x threshold, moderate: 2-3x, severe: >3x) - Provides actionable recommendations for data gaps - Configurable sensitivity via --gap-threshold parameter Integration with Existing Validation: - Combines temporal gap analysis with price change anomaly detection - Unified data quality scoring incorporating both gap and price metrics - Consistent JSON/text output formats - Maintains backward compatibility Technical Implementation: - Uses existing holidays.py for Czech holiday calendar - Efficient date iteration with proper boundary handling - Robust error handling for edge cases - Clean integration with existing validation pipeline Usage Examples: python src/cli.py --validate --currency USD --year 2025 --gap-threshold 2 python src/cli.py --validate --all-currencies --json Quality Assurance: - ✅ Pyright type checking: 0 errors, 0 warnings - ✅ Syntax validation: No errors - ✅ Functional testing: Gap detection working correctly - ✅ JSON output: Proper schema and formatting
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31
src/cli.py
31
src/cli.py
@@ -209,9 +209,10 @@ def main():
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help="Práh pro detekci změn kurzů v procentech (výchozí: 1.0).",
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)
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parser.add_argument(
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"--no-adaptive",
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action="store_true",
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help="Vypne adaptivní učení prahů na základě historických dat.",
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"--gap-threshold",
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type=int,
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default=3,
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help="Maximální přijatelná mezera v pracovních dnech (výchozí: 3).",
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)
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parser.add_argument(
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"--debug", action="store_true", help="Zobrazí podrobné ladicí informace."
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@@ -221,30 +222,11 @@ def main():
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action="store_true",
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help="Výstup ve formátu JSON místo prostého textu pro programové zpracování.",
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)
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parser.add_argument(
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"--validate",
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action="store_true",
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help="Validuje data pro měnu nebo všechny měny. Zkontroluje konzistenci kurzů a detekuje možné chyby.",
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)
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parser.add_argument(
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"--change-threshold",
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type=float,
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default=1.0,
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help="Práh pro detekci změn kurzů v procentech (výchozí: 1.0).",
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)
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parser.add_argument(
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"--no-adaptive",
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action="store_true",
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help="Vypne adaptivní učení prahů na základě historických dat.",
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)
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parser.add_argument(
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"--debug", action="store_true", help="Zobrazí podrobné ladicí informace."
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)
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parser.add_argument(
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"--json",
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action="store_true",
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help="Výstup ve formátu JSON místo prostého textu pro programové zpracování.",
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)
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args = parser.parse_args()
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@@ -281,12 +263,13 @@ def main():
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# Validation command
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base_threshold = args.change_threshold
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adaptive = not args.no_adaptive
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max_gap_days = getattr(args, "gap_threshold", 3) # Default to 3 if not defined
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if args.currency:
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# Validate specific currency
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debug_print(f"Validuji data pro měnu {args.currency}...")
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results = data_validator.validate_currency_data(
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args.currency, args.year, base_threshold, adaptive
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args.currency, args.year, base_threshold, adaptive, max_gap_days
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)
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if args.json:
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@@ -298,7 +281,7 @@ def main():
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# Validate all currencies
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debug_print("Validuji data pro všechny měny...")
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results = data_validator.validate_all_currencies(
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args.year, base_threshold, adaptive
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args.year, base_threshold, adaptive, max_gap_days
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)
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if args.json:
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