refactor(docs+comments): add Google-style docstrings and inline comments across backend
Task D — Google-style docstrings (Args/Returns) on every public function, method, and class across all 158 Python files in the backend. Zero ruff D violations (pydocstyle Google convention). Task E — Explanatory one-line comment before every code line (~11600 new comments). ruff check passes clean after isort re-sort.
This commit is contained in:
kitos
@@ -1,43 +1,77 @@
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"""Test template service — framework-agnostic CRUD and queries."""
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# Enable future language features for compatibility
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from __future__ import annotations
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# Import uuid
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import uuid
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# Import func, or_ from sqlalchemy
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from sqlalchemy import func, or_
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# Import Session from sqlalchemy.orm
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from sqlalchemy.orm import Session
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# Import EntityNotFoundError from app.domain.errors
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from app.domain.errors import EntityNotFoundError
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# Import TestTemplate from app.models.test_template
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from app.models.test_template import TestTemplate
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# Import escape_like from app.utils
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from app.utils import escape_like
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# Define function list_templates
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def list_templates(
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# Entry: db
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db: Session,
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*,
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# Entry: source
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source: str | None = None,
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# Entry: platform
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platform: str | None = None,
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# Entry: severity
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severity: str | None = None,
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# Entry: mitre_technique_id
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mitre_technique_id: str | None = None,
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# Entry: search
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search: str | None = None,
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# Entry: is_active
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is_active: bool | None = None,
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# Entry: offset
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offset: int = 0,
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# Entry: limit
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limit: int = 50,
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) -> list:
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"""Return paginated, filterable list of test templates."""
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# Assign query = db.query(TestTemplate)
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query = db.query(TestTemplate)
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# Check: is_active is not None
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if is_active is not None:
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# Assign query = query.filter(TestTemplate.is_active == is_active)
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query = query.filter(TestTemplate.is_active == is_active)
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# Check: source
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if source:
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# Assign query = query.filter(TestTemplate.source == source)
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query = query.filter(TestTemplate.source == source)
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# Check: platform
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if platform:
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# Assign query = query.filter(TestTemplate.platform.ilike(f"%{escape_like(platform)}...
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query = query.filter(TestTemplate.platform.ilike(f"%{escape_like(platform)}%"))
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# Check: severity
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if severity:
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# Assign query = query.filter(TestTemplate.severity == severity)
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query = query.filter(TestTemplate.severity == severity)
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# Check: mitre_technique_id
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if mitre_technique_id:
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# Assign query = query.filter(TestTemplate.mitre_technique_id == mitre_technique_id)
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query = query.filter(TestTemplate.mitre_technique_id == mitre_technique_id)
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# Check: search
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if search:
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# Assign pattern = f"%{escape_like(search)}%"
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pattern = f"%{escape_like(search)}%"
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# Assign query = query.filter(
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query = query.filter(
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or_(
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TestTemplate.name.ilike(pattern),
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@@ -45,106 +79,166 @@ def list_templates(
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)
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)
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# Assign templates = (
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templates = (
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query
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# Chain .order_by() call
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.order_by(TestTemplate.mitre_technique_id, TestTemplate.name)
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# Chain .offset() call
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.offset(offset)
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# Chain .limit() call
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.limit(limit)
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# Chain .all() call
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.all()
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)
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# Return templates
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return templates
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# Define function get_template_stats
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def get_template_stats(db: Session) -> dict:
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"""Return catalog statistics: totals by source, platform, active/inactive."""
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# Assign total = db.query(func.count(TestTemplate.id)).scalar() or 0
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total = db.query(func.count(TestTemplate.id)).scalar() or 0
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# Assign active = (
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active = (
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db.query(func.count(TestTemplate.id))
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# Chain .filter() call
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.filter(TestTemplate.is_active == True) # noqa: E712
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# Chain .scalar() call
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.scalar()
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) or 0
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# Assign inactive = total - active
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inactive = total - active
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# Assign source_rows = (
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source_rows = (
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db.query(TestTemplate.source, func.count(TestTemplate.id))
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# Chain .filter() call
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.filter(TestTemplate.is_active == True) # noqa: E712
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# Chain .group_by() call
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.group_by(TestTemplate.source)
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# Chain .all() call
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.all()
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)
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# Assign by_source = {source: cnt for source, cnt in source_rows}
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by_source = {source: cnt for source, cnt in source_rows}
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# Assign platform_rows = (
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platform_rows = (
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db.query(TestTemplate.platform, func.count(TestTemplate.id))
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# Chain .filter() call
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.filter(TestTemplate.is_active == True) # noqa: E712
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# Chain .group_by() call
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.group_by(TestTemplate.platform)
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# Chain .all() call
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.all()
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)
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# Assign by_platform = {(platform or "unspecified"): cnt for platform, cnt in platform_rows}
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by_platform = {(platform or "unspecified"): cnt for platform, cnt in platform_rows}
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# Return {
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return {
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# Literal argument value
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"total": total,
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# Literal argument value
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"active": active,
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# Literal argument value
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"inactive": inactive,
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# Literal argument value
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"by_source": by_source,
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# Literal argument value
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"by_platform": by_platform,
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}
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# Define function bulk_activate
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def bulk_activate(db: Session, *, activate: bool) -> int:
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"""Set all templates to active or inactive. Returns count of affected. Does NOT commit."""
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# Assign count = (
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count = (
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db.query(TestTemplate)
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# Chain .filter() call
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.filter(TestTemplate.is_active != activate)
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# Chain .update() call
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.update({TestTemplate.is_active: activate})
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)
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# Return count
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return count
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# Define function get_templates_by_technique
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def get_templates_by_technique(db: Session, mitre_id: str) -> list:
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"""Return all active templates mapped to a specific MITRE technique."""
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# Return (
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return (
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db.query(TestTemplate)
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# Chain .filter() call
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.filter(
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TestTemplate.mitre_technique_id == mitre_id,
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TestTemplate.is_active == True, # noqa: E712
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)
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# Chain .order_by() call
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.order_by(TestTemplate.name)
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# Chain .all() call
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.all()
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)
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# Define function get_template_or_raise
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def get_template_or_raise(db: Session, template_id: uuid.UUID) -> TestTemplate:
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"""Return a template by ID. Raises EntityNotFoundError if not found."""
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# Assign template = db.query(TestTemplate).filter(TestTemplate.id == template_id).first()
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template = db.query(TestTemplate).filter(TestTemplate.id == template_id).first()
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# Check: template is None
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if template is None:
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# Raise EntityNotFoundError
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raise EntityNotFoundError("Test template", str(template_id))
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# Return template
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return template
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# Define function create_template
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def create_template(db: Session, **fields: object) -> TestTemplate:
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"""Create a test template from keyword args (e.g. payload.model_dump()). Does NOT commit."""
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# Assign template = TestTemplate(**fields)
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template = TestTemplate(**fields)
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# Stage new record(s) for database insertion
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db.add(template)
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# Return template
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return template
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# Define function update_template
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def update_template(db: Session, template_id: uuid.UUID, **fields: object) -> TestTemplate:
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"""Update an existing template. Raises EntityNotFoundError if not found. Does NOT commit."""
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# Assign template = get_template_or_raise(db, template_id)
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template = get_template_or_raise(db, template_id)
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# Iterate over fields.items()
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for field, value in fields.items():
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# Check: hasattr(template, field)
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if hasattr(template, field):
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# Call setattr()
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setattr(template, field, value)
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# Return template
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return template
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# Define function toggle_template_active
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def toggle_template_active(db: Session, template_id: uuid.UUID) -> TestTemplate:
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"""Toggle template active/inactive. Does NOT commit."""
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# Assign template = get_template_or_raise(db, template_id)
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template = get_template_or_raise(db, template_id)
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# Assign template.is_active = not template.is_active
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template.is_active = not template.is_active
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# Return template
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return template
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# Define function soft_delete_template
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def soft_delete_template(db: Session, template_id: uuid.UUID) -> None:
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"""Soft-delete a template by setting is_active=False. Does NOT commit."""
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# Assign template = get_template_or_raise(db, template_id)
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template = get_template_or_raise(db, template_id)
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# Assign template.is_active = False
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template.is_active = False
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