Port format_date() to RapydScript for use in the CS

This commit is contained in:
Kovid Goyal 2016-02-17 14:41:17 +05:30
parent 8304f14c7d
commit 7cb180b9e2
2 changed files with 133 additions and 2 deletions

View File

@ -253,7 +253,7 @@ def utcfromtimestamp(stamp):
def timestampfromdt(dt, assume_utc=True):
return (as_utc(dt, assume_utc=assume_utc) - EPOCH).total_seconds()
# Format date functions
# Format date functions {{{
def fd_format_hour(dt, ampm, hr):
l = len(hr)
@ -344,7 +344,9 @@ def format_date(dt, format, assume_utc=False, as_utc=False):
'(s{1,2})|(m{1,2})|(h{1,2})|(ap)|(AP)|(d{1,4}|M{1,4}|(?:yyyy|yy))',
repl_func, format)
# Clean date functions
# }}}
# Clean date functions {{{
def cd_has_hour(tt, dt):
tt['hour'] = dt.hour
@ -409,6 +411,7 @@ def clean_date_for_sort(dt, fmt=None):
re.sub('(s{1,2})|(m{1,2})|(h{1,2})|(d{1,4}|M{1,4}|(?:yyyy|yy))', repl_func, fmt)
return dt.replace(year=tt['year'], month=tt['mon'], day=tt['day'], hour=tt['hour'],
minute=tt['min'], second=tt['sec'], microsecond=0)
# }}}
def replace_months(datestr, clang):
# Replace months by english equivalent for parse_date

128
src/pyj/date.pyj Normal file
View File

@ -0,0 +1,128 @@
# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
UNDEFINED_DATE = Date('0101-01-01T00:00:00+00:00')
def is_date_undefined(date):
dy, uy = date.getUTCFullYear(), UNDEFINED_DATE.getUTCFullYear()
return dy < uy or (
dy == uy and
date.getUTCMonth() == UNDEFINED_DATE.getUTCMonth() and
date.getUTCDate() == UNDEFINED_DATE.getUTCDate())
# format_date() {{{
lcdata = {
'abday': ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
'abmon': ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
'day' : ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
'mon' : ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
}
supports_locales = False
try:
Date().toLocaleString('dfkjghdfkgj')
except RangeError:
supports_locales = True
except:
pass
_fmt_date_pat = None
def fmt_date_pat():
nonlocal _fmt_date_pat
if not _fmt_date_pat:
_fmt_date_pat = /(s{1,2})|(m{1,2})|(h{1,2})|(ap)|(AP)|(d{1,4}|M{1,4}|(?:yyyy|yy))/g
return _fmt_date_pat
def fd_format_hour(dt, ampm, hr, as_utc):
h = dt.getUTCHours() if as_utc else dt.getHours()
if ampm:
h = h % 12
return h.toString() if hr.length == 1 else str.format('{:02d}', h)
def fd_format_minute(dt, ampm, min, as_utc):
m = dt.getUTCMinutes() if as_utc else dt.getMinutes()
return m.toString() if min.length == 1 else str.format('{:02d}', m)
def fd_format_second(dt, ampm, min, as_utc):
s = dt.getUTCSeconds() if as_utc else dt.getSeconds()
return s.toString() if min.length == 1 else str.format('{:02d}', s)
def fd_format_ampm(dt, ampm, ap, as_utc):
h = dt.getUTCHours() if as_utc else dt.getHours()
ans = 'am' if h < 12 else 'pm'
return ans if ap == 'ap' else ans.toUpperCase()
def fd_format_day(dt, ampm, dy, as_utc):
d = dt.getUTCDate() if as_utc else dt.getDate()
if dy.length == 1:
return d.toString()
if dy.length == 2:
return str.format('{:02d}', d)
if supports_locales:
options = {'weekday': ('short' if dy.length == 3 else 'long')}
if as_utc:
options['timeZone'] = 'UTC'
return dt.toLocaleString(undefined, options)
w = dt.getUTCDay() if as_utc else dt.getDay()
return lcdata['abday' if dy.length == 3 else 'day'][(w + 1) % 7]
def fd_format_month(dt, ampm, mo, as_utc):
m = dt.getUTCMonth() if as_utc else dt.getMonth()
if mo.length == 1:
return (m + 1).toString()
if mo.length == 2:
return str.format('{:02d}', m + 1)
if supports_locales:
options = {'month': {1:'numeric', 2:'2-digit', 3:'short', 4:'long'}[mo.length] or 'long'}
if as_utc:
options['timeZone'] = 'UTC'
return dt.toLocaleString(undefined, options)
return lcdata['abmon' if mo.length == 3 else 'mon'][m]
def fd_format_year(dt, ampm, yr, as_utc):
y = dt.getUTCFullYear() if as_utc else dt.getFullYear()
if yr.length == 2:
return str.format('{:02d}', y % 100)
return str.format('{:04d}', y)
fd_function_index = {
'd': fd_format_day,
'M': fd_format_month,
'y': fd_format_year,
'h': fd_format_hour,
'm': fd_format_minute,
's': fd_format_second,
'a': fd_format_ampm,
'A': fd_format_ampm,
}
def test_fd(date, fmt, ans):
q = format_date(date, fmt, as_utc=True)
if q != ans:
raise Exception(str.format('Failed to format {} with {}: {} != {}', date, fmt, q, ans))
def format_date(date=None, fmt='dd MMM yyyy', as_utc=False):
fmt = fmt or 'dd MMM yyyy'
ampm = 'ap' in fmt.toLowerCase()
if type(date) == 'string':
date = Date(date)
date = date or Date()
if is_date_undefined(date):
return ''
return fmt.replace(fmt_date_pat(), def(match):
if not match:
return ''
try:
return fd_function_index[match[0]](date, ampm, match, as_utc)
except Exception:
print(str.format('Failed to format date with format: {} and match: {}', fmt, match))
return ''
)
# }}}
if __name__ == '__main__':
test_fd('1101-01-01T09:00:00+00:00', 'hh h', '09 9')
test_fd('1101-01-01T09:05:01+00:00', 'hh h mm m ss s ap AP yy yyyy', '09 9 05 5 01 1 am AM 01 1101')
test_fd('2001-01-02T09:00:00+00:00', 'M MM MMM MMMM', '1 01 Jan January')
test_fd('2001-01-01T12:00:00+00:00', 'd dd ddd dddd', '1 01 Mon Monday')