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gramps/gramps2/src/DateDisplay.py
Don Allingham f517351802 * src/docgen/PSDrawDoc.py: locale independent floating point 
* src/DateDisplay.py: Better french republican date handling
* src/DateParser.py: Better french republican date handling


svn: r5242
2005-09-27 03:45:19 +00:00

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# -*- coding: iso-8859-1 -*-
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2004-2005 Donald N. Allingham
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# $Id$
"""
U.S English date display class. Should serve as the base class for all
localized tasks.
"""
__author__ = "Donald N. Allingham"
__version__ = "$Revision$"
import Date
import locale
from gettext import gettext as _
class DateDisplay:
# determine the code set returned by nl_langinfo
_codeset = locale.nl_langinfo(locale.CODESET)
# get month information from nl_langinfo. Since nl_langinfo
# returns data in the code set specified by the user, and
# gnome wants unicode, we need to convert each string from
# the native code set into unicode
_months = (
"",
unicode(locale.nl_langinfo(locale.MON_1),_codeset),
unicode(locale.nl_langinfo(locale.MON_2),_codeset),
unicode(locale.nl_langinfo(locale.MON_3),_codeset),
unicode(locale.nl_langinfo(locale.MON_4),_codeset),
unicode(locale.nl_langinfo(locale.MON_5),_codeset),
unicode(locale.nl_langinfo(locale.MON_6),_codeset),
unicode(locale.nl_langinfo(locale.MON_7),_codeset),
unicode(locale.nl_langinfo(locale.MON_8),_codeset),
unicode(locale.nl_langinfo(locale.MON_9),_codeset),
unicode(locale.nl_langinfo(locale.MON_10),_codeset),
unicode(locale.nl_langinfo(locale.MON_11),_codeset),
unicode(locale.nl_langinfo(locale.MON_12),_codeset),
)
_MONS = (
"",
unicode(locale.nl_langinfo(locale.ABMON_1),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_2),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_3),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_4),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_5),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_6),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_7),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_8),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_9),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_10),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_11),_codeset),
unicode(locale.nl_langinfo(locale.ABMON_12),_codeset),
)
_tformat = locale.nl_langinfo(locale.D_FMT).replace('%y','%Y')
_hebrew = (
"", "Tishri", "Heshvan", "Kislev", "Tevet", "Shevat",
"AdarI", "AdarII", "Nisan", "Iyyar", "Sivan", "Tammuz",
"Av", "Elul"
)
_french = (
'',
unicode("Vend<EFBFBD>miaire",'latin-1'),
'Brumaire',
'Frimaire',
unicode("Niv<EFBFBD>se",'latin-1'),
unicode("Pluvi<EFBFBD>se",'latin-1'),
unicode("Vent<EFBFBD>se",'latin-1'),
'Germinal',
unicode("Flor<EFBFBD>al",'latin-1'),
'Prairial',
'Messidor',
'Thermidor',
'Fructidor',
'Extra'
)
_persian = (
"", "Farvardin", "Ordibehesht", "Khordad", "Tir",
"Mordad", "Shahrivar", "Mehr", "Aban", "Azar",
"Dey", "Bahman", "Esfand"
)
_islamic = (
"", "Muharram", "Safar", "Rabi`al-Awwal", "Rabi`ath-Thani",
"Jumada l-Ula", "Jumada t-Tania", "Rajab", "Sha`ban",
"Ramadan", "Shawwal", "Dhu l-Qa`da", "Dhu l-Hijja"
)
formats = ("YYYY-MM-DD (ISO)",)
calendar = (
""," (Julian)"," (Hebrew)"," (French Republican)",
" (Persian)"," (Islamic)"
)
_mod_str = ("","before ","after ","about ","","","")
_qual_str = ("","estimated ","calculated ")
_bce_str = "%s B.C.E."
def __init__(self,format=None):
self.display_cal = [
self._display_gregorian,
self._display_julian,
self._display_hebrew,
self._display_french,
self._display_persian,
self._display_islamic,
]
self.verify_format(format)
if format == None:
self.format = 0
else:
self.format = format
def set_format(self,format):
self.format = format
def verify_format(self,format):
pass
def quote_display(self,date):
"""
Similar to the display task, except that if the value is a text only
value, it is enclosed in quotes.
"""
if date.get_modifier() == Date.MOD_TEXTONLY:
return '"%s"' % self.display(date)
else:
return self.display(date)
def display(self,date):
"""
Returns a text string representing the date.
"""
mod = date.get_modifier()
cal = date.get_calendar()
qual = date.get_quality()
start = date.get_start_date()
qual_str = self._qual_str[qual]
if mod == Date.MOD_TEXTONLY:
return date.get_text()
elif start == Date.EMPTY:
return ""
elif mod == Date.MOD_SPAN or mod == Date.MOD_RANGE:
d1 = self.display_iso(start)
d2 = self.display_iso(date.get_stop_date())
return "%s %s - %s%s" % (qual_str,d1,d2,self.calendar[cal])
elif mod == Date.MOD_RANGE:
d1 = self.display_iso(start)
d2 = self.display_iso(date.get_stop_date())
return "%s %s - %s%s" % (qual_str,d1,d2,self.calendar[cal])
else:
text = self.display_iso(start)
return "%s%s%s%s" % (qual_str,self._mod_str[mod],text,self.calendar[cal])
def _slash_year(self,val,slash):
if val < 0:
val = - val
if slash:
year = "%d/%d" % (val,(val%10)+1)
else:
year = "%d" % (val)
return year
def display_iso(self,date_val):
# YYYY-MM-DD (ISO)
year = self._slash_year(date_val[2],date_val[3])
if date_val[0] == 0:
if date_val[1] == 0:
value = year
else:
value = "%s-%02d" % (year,date_val[1])
else:
value = "%s-%02d-%02d" % (year,date_val[1],date_val[0])
if date_val[2] < 0:
return self._bce_str % value
else:
return value
def text_display(self,date):
"""
Similar to the display task, except that if the value is a text only
value, it is enclosed in quotes.
"""
return date.get_text()
def _display_gregorian(self,date_val):
year = self._slash_year(date_val[2],date_val[3])
if self.format == 0:
return self.display_iso(date_val)
elif self.format == 1:
if date_val[0] == 0 and date_val[1] == 0:
value = str(date_val[2])
else:
value = self._tformat.replace('%m',str(date_val[1]))
value = value.replace('%d',str(date_val[0]))
value = value.replace('%Y',str(abs(date_val[2])))
elif self.format == 2:
# Month Day, Year
if date_val[0] == 0:
if date_val[1] == 0:
value = year
else:
value = "%s %s" % (self._months[date_val[1]],year)
else:
value = "%s %d, %s" % (self._months[date_val[1]],date_val[0],year)
elif self.format == 3:
# MON Day, Year
if date_val[0] == 0:
if date_val[1] == 0:
value = year
else:
value = "%s %s" % (self._MONS[date_val[1]],year)
else:
value = "%s %d, %s" % (self._MONS[date_val[1]],date_val[0],year)
elif self.format == 4:
# Day Month Year
if date_val[0] == 0:
if date_val[1] == 0:
value = year
else:
value = "%s %s" % (self._months[date_val[1]],year)
else:
value = "%d %s %s" % (date_val[0],self._months[date_val[1]],year)
else:
# Day MON Year
if date_val[0] == 0:
if date_val[1] == 0:
value = year
else:
value = "%s %s" % (self._MONS[date_val[1]],year)
else:
value = "%d %s %s" % (date_val[0],self._MONS[date_val[1]],year)
if date_val[2] < 0:
return self._bce_str % value
else:
return value
def _display_julian(self,date_val):
# Julian date display is the same as Gregorian
return self._display_gregorian(date_val)
def _display_calendar(self,date_val,month_list):
year = abs(date_val[2])
if self.format == 0 or self.format == 1:
return self.display_iso(date_val)
else:
if date_val[0] == 0:
if date_val[1] == 0:
value = year
else:
value = u"%s %d" % (month_list[date_val[1]],year)
else:
value = u"%s %d, %s" % (month_list[date_val[1]],date_val[0],year)
if date_val[2] < 0:
return self._bce_str % value
else:
return value
def _display_french(self,date_val):
year = abs(date_val[2])
if self.format == 0 or self.format == 1:
return self.display_iso(date_val)
else:
if date_val[0] == 0:
if date_val[1] == 0:
value = year
else:
value = u"%s %d" % (self._french[date_val[1]],year)
else:
value = u"%d %s %s" % (date_val[0],self._french[date_val[1]],year)
if date_val[2] < 0:
return self._bce_str % value
else:
return value
def _display_hebrew(self,date_val):
return self._display_calendar(date_val,self._hebrew)
def _display_persian(self,date_val):
return self._display_calendar(date_val,self._persian)
def _display_islamic(self,date_val):
return self._display_calendar(date_val,self._islamic)
class DateDisplayEn(DateDisplay):
"""
English language date display class.
"""
formats = (
"YYYY-MM-DD (ISO)", "Numerical", "Month Day, Year",
"MON DAY, YEAR", "Day Month Year", "DAY MON YEAR"
)
def __init__(self,format=None):
"""
Creates a DateDisplay class that converts a Date object to a string
of the desired format. The format value must correspond to the format
list value (DateDisplay.format[]).
"""
DateDisplay.__init__(self,format)
def display(self,date):
"""
Returns a text string representing the date.
"""
mod = date.get_modifier()
cal = date.get_calendar()
qual = date.get_quality()
start = date.get_start_date()
qual_str = self._qual_str[qual]
if mod == Date.MOD_TEXTONLY:
return date.get_text()
elif start == Date.EMPTY:
return ""
elif mod == Date.MOD_SPAN:
d1 = self.display_cal[cal](start)
d2 = self.display_cal[cal](date.get_stop_date())
return "%sfrom %s to %s%s" % (qual_str,d1,d2,self.calendar[cal])
elif mod == Date.MOD_RANGE:
d1 = self.display_cal[cal](start)
d2 = self.display_cal[cal](date.get_stop_date())
return "%sbetween %s and %s%s" % (qual_str,d1,d2,
self.calendar[cal])
else:
text = self.display_cal[date.get_calendar()](start)
return "%s%s%s%s" % (qual_str,self._mod_str[mod],
text,self.calendar[cal])
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