mirror of
https://github.com/pacnpal/thrillwiki_django_no_react.git
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edcd8f2076
- Introduced a comprehensive Secret Management Guide detailing best practices, secret classification, development setup, production management, rotation procedures, and emergency protocols. - Implemented a client-side performance monitoring script to track various metrics including page load performance, paint metrics, layout shifts, and memory usage. - Enhanced search accessibility with keyboard navigation support for search results, ensuring compliance with WCAG standards and improving user experience.
110 lines
4.2 KiB
Python
110 lines
4.2 KiB
Python
"""
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Database configuration for thrillwiki project.
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This module configures database connections, connection pooling, and
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GeoDjango settings using python-decouple for consistent environment
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variable management.
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Why python-decouple?
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- Already used in base.py for consistency
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- Simpler API than django-environ
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- Sufficient for our configuration needs
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- Better separation of config from code
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Database URL Format:
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- PostgreSQL: postgres://user:password@host:port/dbname
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- PostGIS: postgis://user:password@host:port/dbname
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- SQLite: sqlite:///path/to/db.sqlite3
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- SpatiaLite: spatialite:///path/to/db.sqlite3
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"""
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from decouple import config
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import dj_database_url
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# =============================================================================
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# Database Configuration
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# =============================================================================
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# Parse DATABASE_URL environment variable into Django database settings
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DATABASE_URL = config(
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"DATABASE_URL",
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default="postgis://thrillwiki_user:thrillwiki@localhost:5432/thrillwiki_test_db"
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)
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# Parse the database URL
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db_config = dj_database_url.parse(DATABASE_URL)
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# Force PostGIS backend for spatial data support
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# This ensures GeoDjango features work correctly
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if "postgis" in DATABASE_URL or "postgresql" in DATABASE_URL:
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db_config["ENGINE"] = "django.contrib.gis.db.backends.postgis"
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DATABASES = {
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"default": db_config,
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}
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# =============================================================================
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# Database Connection Pooling Configuration
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# =============================================================================
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# Connection pooling improves performance by reusing database connections
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# CONN_MAX_AGE: How long to keep connections open (in seconds)
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# 0 = Close after each request (default Django behavior)
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# None = Unlimited reuse (not recommended)
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# 600 = 10 minutes (good balance for most applications)
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CONN_MAX_AGE = config("DATABASE_CONN_MAX_AGE", default=600, cast=int)
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# Apply CONN_MAX_AGE to the default database
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DATABASES["default"]["CONN_MAX_AGE"] = CONN_MAX_AGE
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# =============================================================================
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# Database Connection Options (PostgreSQL-specific)
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# =============================================================================
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# These settings are passed to psycopg2 when creating new connections
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DATABASE_OPTIONS = {
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# Connection timeout in seconds
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"connect_timeout": config("DATABASE_CONNECT_TIMEOUT", default=10, cast=int),
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# Query timeout in milliseconds (30 seconds default)
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# This prevents runaway queries from blocking the database
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"options": f"-c statement_timeout={config('DATABASE_STATEMENT_TIMEOUT', default=30000, cast=int)}",
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}
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# Apply options to PostgreSQL databases
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if "postgis" in DATABASE_URL or "postgresql" in DATABASE_URL:
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DATABASES["default"].setdefault("OPTIONS", {})
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DATABASES["default"]["OPTIONS"].update(DATABASE_OPTIONS)
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# =============================================================================
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# GeoDjango Settings
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# =============================================================================
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# Library paths for GDAL and GEOS (required for GeoDjango)
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# These vary by operating system and installation method
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# macOS with Homebrew (default)
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# Linux: /usr/lib/x86_64-linux-gnu/libgdal.so
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# Docker: Usually handled by the image
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GDAL_LIBRARY_PATH = config(
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"GDAL_LIBRARY_PATH",
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default="/opt/homebrew/lib/libgdal.dylib"
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)
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GEOS_LIBRARY_PATH = config(
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"GEOS_LIBRARY_PATH",
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default="/opt/homebrew/lib/libgeos_c.dylib"
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)
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# =============================================================================
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# Read Replica Configuration (Optional)
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# =============================================================================
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# Configure read replicas for read-heavy workloads
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# Set DATABASE_READ_REPLICA_URL to enable
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DATABASE_READ_REPLICA_URL = config("DATABASE_READ_REPLICA_URL", default="")
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if DATABASE_READ_REPLICA_URL:
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replica_config = dj_database_url.parse(DATABASE_READ_REPLICA_URL)
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if "postgis" in DATABASE_READ_REPLICA_URL or "postgresql" in DATABASE_READ_REPLICA_URL:
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replica_config["ENGINE"] = "django.contrib.gis.db.backends.postgis"
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replica_config["CONN_MAX_AGE"] = CONN_MAX_AGE
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DATABASES["replica"] = replica_config
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