def assign_release_dt_local(self):
"""
convert release_dt to the corresponding local time
example:
if
release_dt: 2014-05-09 03:30:00
timezone: US/Pacific
settings.TIME_ZONE: US/Central
then
the corresponding release_dt_local will be: 2014-05-09 05:30:00
"""
now = datetime.now()
now_with_tz = adjust_datetime_to_timezone(now, settings.TIME_ZONE)
if self.timezone and self.release_dt and self.timezone.zone != settings.TIME_ZONE:
time_diff = adjust_datetime_to_timezone(now, self.timezone) - now_with_tz
self.release_dt_local = self.release_dt + time_diff
else:
self.release_dt_local = self.release_dt
def localize_date(value, to_tz=None):
from tendenci.apps.base.utils import adjust_datetime_to_timezone
try:
if to_tz is None:
to_tz = settings.UI_TIME_ZONE
from_tz = settings.TIME_ZONE
return adjust_datetime_to_timezone(value, from_tz=from_tz, to_tz=to_tz)
except AttributeError:
return ''
def localize_date(value, to_tz=None):
from tendenci.apps.base.utils import adjust_datetime_to_timezone
try:
if to_tz is None:
to_tz = settings.UI_TIME_ZONE
from_tz = settings.TIME_ZONE
return adjust_datetime_to_timezone(value, from_tz=from_tz, to_tz=to_tz)
except AttributeError:
return ''
def assign_release_dt_local(self):
"""
convert release_dt to the corresponding local time
example:
if
release_dt: 2014-05-09 03:30:00
timezone: US/Pacific
settings.TIME_ZONE: US/Central
then
the corresponding release_dt_local will be: 2014-05-09 05:30:00
"""
now = datetime.now()
now_with_tz = adjust_datetime_to_timezone(now, settings.TIME_ZONE)
if self.timezone and self.release_dt and self.timezone.zone != settings.TIME_ZONE:
time_diff = adjust_datetime_to_timezone(now, self.timezone) - now_with_tz
self.release_dt_local = self.release_dt + time_diff
else:
self.release_dt_local = self.release_dt
def download_files_from_s3(prefix='', to_dir='', update_only=False, dry_run=False):
"""
Retrieve the files inside the prefix (ex: themes) from S3,
and store them to the directory to_dir.
Example use:
To download all files in the themes folder, call:
download_files_from_s3(prefix='themes', to_dir='/path/to/site/themes')
:type prefix: string
:param prefix: The prefix of where to retrieve the files from s3
:type to_dir: string
:param to_dir: The directory of where to download the files
:type update_only: bool
:param update_only: If True, only update the modified files, otherwise,
overwrite the existing files.
:type dry_run: bool
:param dry_run: If True, do everything except saving the files.
"""
if not prefix:
print('No prefix, exiting..')
return
if not os.path.isdir(to_dir):
print('Destination directory does not exist.')
return
if all([settings.AWS_ACCESS_KEY_ID,
settings.AWS_SECRET_ACCESS_KEY,
settings.AWS_STORAGE_BUCKET_NAME,
settings.AWS_LOCATION]):
name = '%s/%s' % (settings.AWS_LOCATION, prefix)
conn = boto.connect_s3(settings.AWS_ACCESS_KEY_ID,
settings.AWS_SECRET_ACCESS_KEY)
bucket = conn.get_bucket(settings.AWS_STORAGE_BUCKET_NAME)
for item in bucket.list(prefix=name):
s3_file_relative_path = item.name.replace(name, '').lstrip('/')
copy_to_fullpath = os.path.join(to_dir, s3_file_relative_path)
copy_to_dir = os.path.dirname(copy_to_fullpath)
if not os.path.isdir(copy_to_dir):
# directory not exists, create it
os.makedirs(copy_to_dir)
if update_only and os.path.isfile(copy_to_fullpath):
# check if this file from s3 has been modified.
# if not modified, no need to update.
src_modified_dt = dparser.parse(item.last_modified)
dst_modified_dt = datetime.fromtimestamp(os.path.getmtime(copy_to_fullpath))
# adjust the timezone for dst_modified_dt
# to compare the modified date time in the same time zone
dst_modified_dt = adjust_datetime_to_timezone(
dst_modified_dt,
from_tz=settings.TIME_ZONE,
to_tz=src_modified_dt.tzname())
if dst_modified_dt == src_modified_dt:
# source is current, no need to update
print('Not modified %s' % s3_file_relative_path)
continue
elif dst_modified_dt > src_modified_dt:
print("Not updated. %s is current." % s3_file_relative_path)
continue
if dry_run:
print('Pretended to download %s' % s3_file_relative_path)
else:
item.get_contents_to_filename(copy_to_fullpath)
print('Downloaded %s' % s3_file_relative_path)
