Files
WerkoutAPI/generator/services/workout_generation/section_builders.py
Trey t c80c66c2e5 Codebase hardening: 102 fixes across 35+ files
Deep audit identified 106 findings; 102 fixed, 4 deferred. Covers 8 areas:

- Settings & deploy: env-gated DEBUG/SECRET_KEY, HTTPS headers, gunicorn, celery worker
- Auth (registered_user): password write_only, request.data fixes, transaction safety, proper HTTP status codes
- Workout app: IDOR protection, get_object_or_404, prefetch_related N+1 fixes, transaction.atomic
- Video/scripts: path traversal sanitization, HLS trigger guard, auth on cache wipe
- Models (exercise/equipment/muscle/superset): null-safe __str__, stable IDs, prefetch support
- Generator views: helper for registered_user lookup, logger.exception, bulk_update, transaction wrapping
- Generator core (rules/selector/generator): push-pull ratio, type affinity normalization, modality checks, side-pair exact match, word-boundary regex, equipment cache clearing
- Generator services (plan_builder/analyzer/normalizer): transaction.atomic, muscle cache, bulk_update, glutes classification fix

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-27 22:29:14 -06:00

69 lines
1.9 KiB
Python

import random
from typing import Iterable, Optional
def section_exercise_count(section: str, fitness_level: int, rng=random) -> int:
"""Return section exercise count range by fitness level."""
level = fitness_level or 2
if section == 'warmup':
if level <= 1:
return rng.randint(5, 7)
if level >= 3:
return rng.randint(3, 5)
return rng.randint(4, 6)
if section == 'cooldown':
if level <= 1:
return rng.randint(4, 5)
if level >= 3:
return rng.randint(2, 3)
return rng.randint(3, 4)
raise ValueError(f'Unknown section: {section}')
def rounded_duration(
raw_duration: int,
*,
min_duration: int,
duration_multiple: int,
) -> int:
"""Round duration to configured multiple and clamp to minimum."""
return max(min_duration, round(raw_duration / duration_multiple) * duration_multiple)
def build_duration_entries(
exercises: Iterable,
*,
duration_min: int,
duration_max: int,
min_duration: int,
duration_multiple: int,
rng=random,
) -> list[dict]:
"""Build ordered duration entries from exercises."""
entries = []
for idx, ex in enumerate(exercises, start=1):
duration = rng.randint(duration_min, duration_max)
entries.append({
'exercise': ex,
'duration': rounded_duration(
duration,
min_duration=min_duration,
duration_multiple=duration_multiple,
),
'order': idx,
})
return entries
def build_section_superset(name: str, entries: list[dict]) -> Optional[dict]:
"""Build a single-round warmup/cooldown superset payload."""
if not entries:
return None
return {
'name': name,
'rounds': 1,
'rest_between_rounds': 0,
'exercises': entries,
}