добавил обработчик задач
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This commit is contained in:
ack
2026-04-19 19:41:33 +03:00
parent a3df30184e
commit 4a10958445
11 changed files with 434 additions and 7 deletions

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@@ -0,0 +1,31 @@
import time
from django.core.management.base import BaseCommand
from ...services.timelapse_worker import run_one_job
class Command(BaseCommand):
help = 'Запуск обработчика очереди таймлапсов.'
def add_arguments(self, parser):
parser.add_argument('--once', action='store_true', help='Обработать только одну задачу и выйти.')
parser.add_argument(
'--sleep',
type=int,
default=5,
help='Пауза между итерациями в loop-режиме (секунды).',
)
def handle(self, *args, **options):
once = options['once']
sleep_seconds = options['sleep']
if once:
run_one_job()
return
while True:
processed = run_one_job()
if not processed:
time.sleep(sleep_seconds)

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@@ -2,6 +2,7 @@ import logging
from pathlib import Path from pathlib import Path
from django.conf import settings from django.conf import settings
from django.utils.text import slugify
from ..models import Camera from ..models import Camera
@@ -16,6 +17,19 @@ def _storage_root() -> Path:
return Path(storage_path) return Path(storage_path)
def generate_unique_camera_slug(directory_name: str, storage_path: str) -> str:
base_slug = (slugify(directory_name) or f'camera-{directory_name.lower()}')[:70]
slug = base_slug
suffix = 1
while Camera.objects.filter(slug=slug).exclude(storage_path=storage_path).exists():
suffix_part = f'-{suffix}'
slug = f"{base_slug[:80 - len(suffix_part)]}{suffix_part}"
suffix += 1
return slug
def is_storage_available() -> bool: def is_storage_available() -> bool:
logger.info('cameras:storage_available:start') logger.info('cameras:storage_available:start')
try: try:
@@ -58,3 +72,52 @@ def get_camera_lastsnap_path(camera: Camera) -> Path | None:
except Exception: except Exception:
logger.exception('cameras:lastsnap_path:error camera_id=%s', camera.id) logger.exception('cameras:lastsnap_path:error camera_id=%s', camera.id)
raise raise
def discover_camera_candidates() -> list[dict[str, str]]:
logger.info('cameras:discover_candidates:start')
try:
root = _storage_root()
if not root.exists() or not root.is_dir():
logger.info('cameras:discover_candidates:done count=0')
return []
existing_paths = set(Camera.objects.values_list('storage_path', flat=True))
dirs = [p for p in root.iterdir() if p.is_dir() and not p.name.startswith('.') and p.name != 'timelapses']
candidates = []
for directory in sorted(dirs, key=lambda d: d.name.lower()):
storage_path = directory.name
if storage_path in existing_paths:
continue
candidates.append({'name': directory.name, 'storage_path': storage_path})
logger.info('cameras:discover_candidates:done count=%s', len(candidates))
return candidates
except Exception:
logger.exception('cameras:discover_candidates:error')
raise
def create_cameras_from_candidates(selected_storage_paths: list[str]) -> int:
logger.info('cameras:create_from_candidates:start count=%s', len(selected_storage_paths))
try:
created = 0
for storage_path in selected_storage_paths:
path = storage_path.strip()
if not path:
continue
slug = generate_unique_camera_slug(path, path)
_, was_created = Camera.objects.get_or_create(
storage_path=path,
defaults={'name': path, 'slug': slug, 'is_active': True},
)
if was_created:
created += 1
logger.info('cameras:create_from_candidates:done created=%s', created)
return created
except Exception:
logger.exception('cameras:create_from_candidates:error')
raise

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@@ -0,0 +1,213 @@
import logging
import shutil
import subprocess
from datetime import date, datetime, time, timedelta
from pathlib import Path
from django.conf import settings
from django.utils import timezone
from ..models import TimelapseJob
logger = logging.getLogger('camlaps')
def _iter_dates(date_from: date, date_to: date):
current = date_from
while current <= date_to:
yield current
current += timedelta(days=1)
def _safe_camera_root(job: TimelapseJob) -> Path:
storage_root = Path(settings.STORAGE_PATH).resolve()
camera_root = (storage_root / job.camera.storage_path).resolve()
if camera_root != storage_root and storage_root not in camera_root.parents:
raise RuntimeError('Некорректный путь камеры.')
return camera_root
def _is_day_time(snapshot_time: time, day_start: time, day_end: time) -> bool:
return day_start <= snapshot_time <= day_end
def _select_frames(job: TimelapseJob, camera_root: Path) -> list[Path]:
logger.info('worker:select_frames:start job_id=%s', job.id)
selected: list[Path] = []
interval_seconds = int(job.sampling_interval_minutes) * 60
last_selected_dt: datetime | None = None
for day in _iter_dates(job.date_from, job.date_to):
day_dir = camera_root / day.isoformat()
if not day_dir.exists() or not day_dir.is_dir():
continue
day_files = sorted(day_dir.glob('*.jpg'))
for img_path in day_files:
if img_path.name.lower() == 'lastsnap.jpg':
continue
try:
snap_time = datetime.strptime(img_path.stem, '%H-%M-%S').time()
except ValueError:
continue
if not job.include_night and not _is_day_time(snap_time, job.day_start_time, job.day_end_time):
continue
current_dt = datetime.combine(day, snap_time)
if last_selected_dt is None or (current_dt - last_selected_dt).total_seconds() >= interval_seconds:
selected.append(img_path)
last_selected_dt = current_dt
logger.info('worker:select_frames:done job_id=%s selected=%s', job.id, len(selected))
return selected
def _copy_frames_to_temp(job: TimelapseJob, frame_paths: list[Path], temp_dir: Path):
logger.info('worker:copy_frames:start job_id=%s count=%s', job.id, len(frame_paths))
temp_dir.mkdir(parents=True, exist_ok=True)
total = len(frame_paths)
for index, src in enumerate(frame_paths, start=1):
dst = temp_dir / f'{index:06d}.jpg'
shutil.copy2(src, dst)
progress = min(70, int((index / total) * 70))
TimelapseJob.objects.filter(pk=job.pk).update(
frames_processed=index,
progress_percent=progress,
)
logger.info('worker:copy_frames:done job_id=%s', job.id)
def _build_output_path(job: TimelapseJob) -> tuple[Path, str]:
export_dir = Path(settings.TIMELAPS_EXPORT_DIR)
export_dir.mkdir(parents=True, exist_ok=True)
filename = (
f'{job.camera.slug}_{job.date_from.strftime("%Y%m%d")}_'
f'{job.date_to.strftime("%Y%m%d")}_{job.id}.mp4'
)
output_path = export_dir / filename
rel_path = f'timelapses/{filename}'
return output_path, rel_path
def _run_ffmpeg(job: TimelapseJob, temp_dir: Path, output_path: Path):
logger.info('worker:ffmpeg:start job_id=%s', job.id)
cmd = [
'ffmpeg',
'-y',
'-hide_banner',
'-loglevel',
'error',
'-framerate',
str(job.fps),
'-i',
str(temp_dir / '%06d.jpg'),
'-c:v',
'libx264',
'-preset',
'veryfast',
'-pix_fmt',
'yuv420p',
str(output_path),
]
subprocess.run(cmd, check=True)
logger.info('worker:ffmpeg:done job_id=%s', job.id)
def claim_next_job() -> TimelapseJob | None:
logger.info('worker:claim_next:start')
candidate = TimelapseJob.objects.filter(status=TimelapseJob.Status.PLANNED).order_by('created_at').first()
if not candidate:
logger.info('worker:claim_next:done no_jobs=true')
return None
updated = TimelapseJob.objects.filter(
pk=candidate.pk,
status=TimelapseJob.Status.PLANNED,
).update(
status=TimelapseJob.Status.RUNNING,
started_at=timezone.now(),
progress_percent=1,
frames_processed=0,
frames_total=None,
error_message='',
)
if not updated:
logger.info('worker:claim_next:done race_lost=true')
return None
job = TimelapseJob.objects.select_related('camera').get(pk=candidate.pk)
logger.info('worker:claim_next:done job_id=%s', job.id)
return job
def process_job(job: TimelapseJob) -> bool:
logger.info('worker:process_job:start job_id=%s', job.id)
temp_dir = Path(settings.TIMELAPS_EXPORT_DIR) / '_tmp' / f'job_{job.id}'
try:
if temp_dir.exists():
shutil.rmtree(temp_dir, ignore_errors=True)
camera_root = _safe_camera_root(job)
frame_paths = _select_frames(job, camera_root)
if not frame_paths:
raise RuntimeError('Не найдено кадров под выбранные параметры.')
TimelapseJob.objects.filter(pk=job.pk).update(
frames_total=len(frame_paths),
frames_processed=0,
progress_percent=5,
)
_copy_frames_to_temp(job, frame_paths, temp_dir)
output_path, rel_path = _build_output_path(job)
TimelapseJob.objects.filter(pk=job.pk).update(progress_percent=90)
_run_ffmpeg(job, temp_dir, output_path)
TimelapseJob.objects.filter(pk=job.pk).update(
status=TimelapseJob.Status.SUCCESS,
progress_percent=100,
output_rel_path=rel_path,
finished_at=timezone.now(),
error_message='',
frames_processed=len(frame_paths),
)
logger.info('worker:process_job:done job_id=%s', job.id)
return True
except Exception as exc:
logger.exception('worker:process_job:error job_id=%s', job.id)
TimelapseJob.objects.filter(pk=job.pk).update(
status=TimelapseJob.Status.ERROR,
finished_at=timezone.now(),
error_message=str(exc)[:1000],
)
return False
finally:
if temp_dir.exists():
shutil.rmtree(temp_dir, ignore_errors=True)
def run_one_job() -> bool:
logger.info('worker:run_one:start')
job = claim_next_job()
if not job:
logger.info('worker:run_one:done processed=false')
return False
process_job(job)
logger.info('worker:run_one:done processed=true')
return True

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@@ -3,13 +3,51 @@
{% block content %} {% block content %}
<div class="d-flex justify-content-between align-items-center mb-4"> <div class="d-flex justify-content-between align-items-center mb-4">
<h2>Твои камеры</h2> <h2>Твои камеры</h2>
<div class="d-flex gap-2 align-items-center">
{% if storage_available %} {% if storage_available %}
<span class="badge bg-success">Storage доступен</span> <span class="badge bg-success">Storage доступен</span>
{% else %} {% else %}
<span class="badge bg-danger">Storage недоступен</span> <span class="badge bg-danger">Storage недоступен</span>
{% endif %} {% endif %}
<form method="post" action="{% url 'camlaps:discover_cameras' %}">
{% csrf_token %}
<button type="submit" class="btn btn-sm btn-outline-primary">Найти камеры</button>
</form>
</div>
</div> </div>
{% if added is not None %}
<div class="alert alert-success py-2">
Добавление завершено: добавлено новых камер — {{ added }}.
</div>
{% endif %}
{% if discovered_candidates is not None %}
<div class="card border-info mb-3">
<div class="card-body">
<h5 class="card-title">Найдено новых камер: {{ discovered_count }}</h5>
{% if discovered_count %}
<form method="post" action="{% url 'camlaps:apply_discovered_cameras' %}">
{% csrf_token %}
<div class="row g-2 mb-3">
{% for c in discovered_candidates %}
<div class="col-12 col-md-6">
<label class="form-check-label d-flex align-items-center gap-2">
<input class="form-check-input" type="checkbox" name="selected_storage_paths" value="{{ c.storage_path }}" checked>
<span>{{ c.name }} <span class="text-muted">({{ c.storage_path }})</span></span>
</label>
</div>
{% endfor %}
</div>
<button type="submit" class="btn btn-primary btn-sm">Добавить выбранные камеры</button>
</form>
{% else %}
<div class="text-muted">Новых папок камер не найдено.</div>
{% endif %}
</div>
</div>
{% endif %}
<div class="row row-cols-1 row-cols-md-3 g-4"> <div class="row row-cols-1 row-cols-md-3 g-4">
{% for camera in cameras %} {% for camera in cameras %}
<div class="col"> <div class="col">

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@@ -29,6 +29,15 @@
<div class="text-muted">FPS</div> <div class="text-muted">FPS</div>
<div class="fw-semibold">{{ job.fps }}</div> <div class="fw-semibold">{{ job.fps }}</div>
</div> </div>
<div class="col-md-6">
<div class="text-muted">Кадры</div>
<div class="fw-semibold">
{{ job.frames_processed }}
{% if job.frames_total %}
/ {{ job.frames_total }}
{% endif %}
</div>
</div>
<div class="col-md-6"> <div class="col-md-6">
<div class="text-muted">Ночь</div> <div class="text-muted">Ночь</div>
<div class="fw-semibold"> <div class="fw-semibold">

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@@ -3,8 +3,22 @@
{% block content %} {% block content %}
<div class="d-flex justify-content-between align-items-center mb-4"> <div class="d-flex justify-content-between align-items-center mb-4">
<h2>Очередь задач</h2> <h2>Очередь задач</h2>
<form method="post" action="{% url 'camlaps:start_queue' %}">
{% csrf_token %}
<button type="submit" class="btn btn-primary btn-sm">Старт очереди</button>
</form>
</div> </div>
{% if queue_started == 'none' %}
<div class="alert alert-warning py-2">Очередь пуста: задач со статусом «Запланировано» нет.</div>
{% elif queue_started == 'worker' %}
<div class="alert alert-success py-2">Воркер очереди запущен. Обнови страницу через несколько секунд.</div>
{% elif queue_started == 'error' %}
<div class="alert alert-danger py-2">Не удалось запустить воркер. Проверь логи Django.</div>
{% elif queue_started %}
<div class="alert alert-success py-2">Запущена задача #{{ queue_started }}.</div>
{% endif %}
<div class="table-responsive"> <div class="table-responsive">
<table class="table table-striped align-middle"> <table class="table table-striped align-middle">
<thead> <thead>

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@@ -6,8 +6,11 @@ app_name = 'camlaps'
urlpatterns = [ urlpatterns = [
path('', views.index, name='index'), path('', views.index, name='index'),
path('cameras/discover/', views.discover_cameras, name='discover_cameras'),
path('cameras/discover/apply/', views.apply_discovered_cameras, name='apply_discovered_cameras'),
path('cameras/<int:camera_id>/preview/', views.camera_preview, name='camera_preview'), path('cameras/<int:camera_id>/preview/', views.camera_preview, name='camera_preview'),
path('cameras/<int:camera_id>/jobs/new/', views.job_create, name='job_create'), path('cameras/<int:camera_id>/jobs/new/', views.job_create, name='job_create'),
path('jobs/', views.job_list, name='job_list'), path('jobs/', views.job_list, name='job_list'),
path('jobs/start/', views.start_queue, name='start_queue'),
path('jobs/<int:job_id>/', views.job_detail, name='job_detail'), path('jobs/<int:job_id>/', views.job_detail, name='job_detail'),
] ]

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@@ -1,9 +1,20 @@
import subprocess
import sys
from django.conf import settings
from django.http import FileResponse, Http404 from django.http import FileResponse, Http404
from django.shortcuts import get_object_or_404, redirect, render from django.shortcuts import get_object_or_404, redirect, render
from django.urls import reverse from django.urls import reverse
from django.views.decorators.http import require_POST
from .models import Camera, TimelapseJob from .models import Camera, TimelapseJob
from .services.cameras import get_camera_lastsnap_path, is_storage_available, list_active_cameras from .services.cameras import (
create_cameras_from_candidates,
discover_camera_candidates,
get_camera_lastsnap_path,
is_storage_available,
list_active_cameras,
)
def index(request): def index(request):
@@ -11,10 +22,31 @@ def index(request):
context = { context = {
'cameras': cameras, 'cameras': cameras,
'storage_available': is_storage_available(), 'storage_available': is_storage_available(),
'added': request.GET.get('added'),
} }
return render(request, 'camlaps/index.html', context) return render(request, 'camlaps/index.html', context)
@require_POST
def discover_cameras(request):
cameras = list_active_cameras()
candidates = discover_camera_candidates()
context = {
'cameras': cameras,
'storage_available': is_storage_available(),
'discovered_candidates': candidates,
'discovered_count': len(candidates),
}
return render(request, 'camlaps/index.html', context)
@require_POST
def apply_discovered_cameras(request):
selected_paths = request.POST.getlist('selected_storage_paths')
created = create_cameras_from_candidates(selected_paths)
return redirect(f"{reverse('camlaps:index')}?added={created}")
def camera_preview(request, camera_id: int): def camera_preview(request, camera_id: int):
camera = get_object_or_404(Camera, pk=camera_id, is_active=True) camera = get_object_or_404(Camera, pk=camera_id, is_active=True)
path = get_camera_lastsnap_path(camera) path = get_camera_lastsnap_path(camera)
@@ -29,7 +61,31 @@ def job_list(request):
if camera_id: if camera_id:
qs = qs.filter(camera_id=camera_id) qs = qs.filter(camera_id=camera_id)
jobs = qs.order_by('-created_at')[:200] jobs = qs.order_by('-created_at')[:200]
return render(request, 'camlaps/job_list.html', {'jobs': jobs}) return render(request, 'camlaps/job_list.html', {'jobs': jobs, 'queue_started': request.GET.get('started')})
@require_POST
def start_queue(request):
has_planned = TimelapseJob.objects.filter(status=TimelapseJob.Status.PLANNED).exists()
if not has_planned:
return redirect(f"{reverse('camlaps:job_list')}?started=none")
cmd = [sys.executable, 'manage.py', 'run_timelapse_worker', '--once']
kwargs = {
'cwd': settings.BASE_DIR,
'stdout': subprocess.DEVNULL,
'stderr': subprocess.DEVNULL,
}
if sys.platform.startswith('win'):
kwargs['creationflags'] = subprocess.DETACHED_PROCESS | subprocess.CREATE_NEW_PROCESS_GROUP
try:
subprocess.Popen(cmd, **kwargs)
return redirect(f"{reverse('camlaps:job_list')}?started=worker")
except Exception:
return redirect(f"{reverse('camlaps:job_list')}?started=error")
def job_detail(request, job_id: int): def job_detail(request, job_id: int):