You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.0 KiB
69 lines
2.0 KiB
"""fontTools.misc.timeTools.py -- tools for working with OpenType timestamps.
|
|
"""
|
|
|
|
import os
|
|
import time
|
|
from datetime import datetime, timezone
|
|
import calendar
|
|
|
|
|
|
epoch_diff = calendar.timegm((1904, 1, 1, 0, 0, 0, 0, 0, 0))
|
|
|
|
DAYNAMES = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
|
|
MONTHNAMES = [None, "Jan", "Feb", "Mar", "Apr", "May", "Jun",
|
|
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
|
|
|
|
|
|
def asctime(t=None):
|
|
"""
|
|
Convert a tuple or struct_time representing a time as returned by gmtime()
|
|
or localtime() to a 24-character string of the following form:
|
|
|
|
>>> asctime(time.gmtime(0))
|
|
'Thu Jan 1 00:00:00 1970'
|
|
|
|
If t is not provided, the current time as returned by localtime() is used.
|
|
Locale information is not used by asctime().
|
|
|
|
This is meant to normalise the output of the built-in time.asctime() across
|
|
different platforms and Python versions.
|
|
In Python 3.x, the day of the month is right-justified, whereas on Windows
|
|
Python 2.7 it is padded with zeros.
|
|
|
|
See https://github.com/fonttools/fonttools/issues/455
|
|
"""
|
|
if t is None:
|
|
t = time.localtime()
|
|
s = "%s %s %2s %s" % (
|
|
DAYNAMES[t.tm_wday], MONTHNAMES[t.tm_mon], t.tm_mday,
|
|
time.strftime("%H:%M:%S %Y", t))
|
|
return s
|
|
|
|
|
|
def timestampToString(value):
|
|
return asctime(time.gmtime(max(0, value + epoch_diff)))
|
|
|
|
def timestampFromString(value):
|
|
wkday, mnth = value[:7].split()
|
|
t = datetime.strptime(value[7:], ' %d %H:%M:%S %Y')
|
|
t = t.replace(month=MONTHNAMES.index(mnth), tzinfo=timezone.utc)
|
|
wkday_idx = DAYNAMES.index(wkday)
|
|
assert t.weekday() == wkday_idx, '"' + value + '" has inconsistent weekday'
|
|
return int(t.timestamp()) - epoch_diff
|
|
|
|
def timestampNow():
|
|
# https://reproducible-builds.org/specs/source-date-epoch/
|
|
source_date_epoch = os.environ.get("SOURCE_DATE_EPOCH")
|
|
if source_date_epoch is not None:
|
|
return int(source_date_epoch) - epoch_diff
|
|
return int(time.time() - epoch_diff)
|
|
|
|
def timestampSinceEpoch(value):
|
|
return int(value - epoch_diff)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import sys
|
|
import doctest
|
|
sys.exit(doctest.testmod().failed)
|