def save_image_info(api_result, info):
if InstagramPhoto.objects.filter(photo_id=api_result.get('id')):
# Photo already exists, let's skip it
# TODO: In the future perhaps we can allow re-licensing of
# existing photos.
return
caption = api_result.get('caption')
if caption:
caption = caption.get('text', None)
photo = InstagramPhoto(
license_info=info,
caption=caption,
created_time=from_unix_time(int(api_result.get('created_time'))),
filter=api_result.get('filter'),
photo_id=api_result.get('id'),
image_low_resolution=api_result.get('images', {}
)['low_resolution']['url'],
image_standard_resolution=api_result.get('images', {}
)['standard_resolution']['url'],
image_thumbnail=api_result.get('images', {}
)['thumbnail']['url'],
link=api_result.get('link'),
tags=json.dumps(api_result.get('tags')),
location=json.dumps(api_result.get('location')),
)
photo.save()
def generate_image_info(username=None, limit=None):
d = {}
if username:
d = {'instagram_username': username}
# last_used_in_api helps us limit the # of API calls
infos = InstagramInfo.objects.filter(**d).exclude(end_date=None).\
order_by('last_used_in_api')[:MAX_API_PER_GENERATION]
for info in infos:
last_saved = info.start_date
if InstagramPhoto.objects.filter(license_info=info):
latest_saved_photo = InstagramPhoto.objects.filter(
license_info=info).order_by('-created_time')[0]
last_saved = latest_saved_photo.created_time
recent = cache.get('api_rc_%s' % info.instagram_id)
if recent is None:
# Get the most recent since we last cached from the API
try:
recent_resp = instagram.api.users(info.instagram_id).media.\
recent.get(
access_token=get_access_token(info.user),
max_timestamp=to_unix_time(info.end_date),
min_timestamp=to_unix_time(last_saved))
except:
return
recent = recent_resp['data']
# One hour cache per-user
cache.set('api_rc_%s' % info.instagram_id, recent, 60 * 60)
for item in recent:
# The API returns items even if they're before min_timestamp
# sometimes, so we have to check by hand here.
created_time = from_unix_time(int(item['created_time']))
if (created_time < info.end_date and
created_time > info.start_date and created_time > last_saved):
save_image_info(item, info)
info.last_used_in_api = datetime.now().replace(tzinfo=utc)
info.save()
