Spaces:
Running
Running
File size: 2,234 Bytes
b72ab63 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 |
"""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)
|