#

# Copyright (c) nexB Inc. and others. All rights reserved.

# SPDX-License-Identifier: Apache-2.0

# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.

# See https://github.com/nexB/commoncode for support or download.

# See https://aboutcode.org for more information about nexB OSS projects.

#

import calendar

from datetime import datetime

import os

def isoformat(utc_date):

return datetime.isoformat(utc_date).replace('T', ' ')

def get_file_mtime(location, iso=True):

"""

Return a string containing the last modified date of a file formatted

as an ISO time stamp if ISO is True or as a raw number since epoch.

"""

date = ''

# FIXME: use file types

if not os.path.isdir(location):

mtime = os.stat(location).st_mtime

if iso:

utc_date = datetime.utcfromtimestamp(mtime)

date = isoformat(utc_date)

else:

date = str(mtime)

return date

def secs_from_epoch(d):

"""

Return a number of seconds since epoch for a date time stamp

"""

# FIXME: what does this do?

return calendar.timegm(datetime.strptime(d.split('.')[0],

'%Y-%m-%d %H:%M:%S').timetuple())