Samir Boulahtit
f20266167d
- Auto-fixed 4,496 lint issues (import sorting, modern syntax, etc.) - Added ignore rules for patterns intentional in this codebase: E402 (late imports), E712 (SQLAlchemy filters), B904 (raise from), SIM108/SIM105/SIM117 (readability preferences) - Added per-file ignores for tests and scripts - Excluded broken scripts/rename_terminology.py (has curly quotes) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
104 lines
2.9 KiB
Python
104 lines
2.9 KiB
Python
# app/modules/contracts/__init__.py
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"""
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Cross-module contracts using Protocol pattern.
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This module defines type-safe interfaces for cross-module communication.
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Modules depend on protocols rather than concrete implementations, enabling:
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- Loose coupling between modules
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- Testability through mock implementations
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- Clear dependency boundaries
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Usage:
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from app.modules.contracts.cms import ContentServiceProtocol
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class OrderService:
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def __init__(self, content: ContentServiceProtocol | None = None):
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self._content = content
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@property
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def content(self) -> ContentServiceProtocol:
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if self._content is None:
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from app.modules.cms.services import content_page_service
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self._content = content_page_service
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return self._content
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Metrics Provider Pattern:
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from app.modules.contracts.metrics import MetricsProviderProtocol, MetricValue
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class OrderMetricsProvider:
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@property
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def metrics_category(self) -> str:
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return "orders"
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def get_store_metrics(self, db, store_id, context=None) -> list[MetricValue]:
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return [MetricValue(key="orders.total", value=42, label="Total", category="orders")]
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Widget Provider Pattern:
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from app.modules.contracts.widgets import DashboardWidgetProviderProtocol, DashboardWidget
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class OrderWidgetProvider:
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@property
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def widgets_category(self) -> str:
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return "orders"
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def get_store_widgets(self, db, store_id, context=None) -> list[DashboardWidget]:
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return [DashboardWidget(key="orders.recent", widget_type="list", ...)]
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"""
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from app.modules.contracts.audit import (
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AuditEvent,
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AuditProviderProtocol,
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)
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from app.modules.contracts.base import ServiceProtocol
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from app.modules.contracts.cms import ContentServiceProtocol, MediaUsageProviderProtocol
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from app.modules.contracts.features import (
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FeatureDeclaration,
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FeatureProviderProtocol,
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FeatureScope,
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FeatureType,
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FeatureUsage,
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)
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from app.modules.contracts.metrics import (
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MetricsContext,
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MetricsProviderProtocol,
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MetricValue,
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)
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from app.modules.contracts.widgets import (
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BreakdownWidget,
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DashboardWidget,
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DashboardWidgetProviderProtocol,
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ListWidget,
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WidgetBreakdownItem,
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WidgetContext,
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WidgetListItem,
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)
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__all__ = [
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# Base protocols
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"ServiceProtocol",
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# CMS protocols
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"ContentServiceProtocol",
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"MediaUsageProviderProtocol",
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# Audit protocols
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"AuditEvent",
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"AuditProviderProtocol",
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# Feature protocols
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"FeatureType",
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"FeatureScope",
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"FeatureDeclaration",
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"FeatureUsage",
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"FeatureProviderProtocol",
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# Metrics protocols
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"MetricValue",
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"MetricsContext",
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"MetricsProviderProtocol",
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# Widget protocols
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"WidgetContext",
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"WidgetListItem",
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"WidgetBreakdownItem",
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"ListWidget",
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"BreakdownWidget",
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"DashboardWidget",
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"DashboardWidgetProviderProtocol",
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]
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