""" Locale dependant formatting and parsing.

    XXX This module still has prototype status and is undocumented.

    XXX Check the spelling. 
    XXX Check the string format.

    (c) 1998, Copyright Marc-Andre Lemburg; All Rights Reserved.
    See the documentation for further information on copyrights,
    or contact the author (mal@lemburg.com).
"""

def _make_dict(*names):

    """ Helper to create a dictionary mapping indices to
        names and names to indices.
    """
    d = {}
    for i in range(len(names)):
        d[names[i]] = i
        d[i] = names[i]
    return d

class _TimeLocale:

    """ Base class for locale dependend formatting and parsing.
    """
    # Examples:
    Weekday = _make_dict('Monday','Tuesday','Wednesday','Thursday','Friday',
			    'Saturday','Sunday')
    Month = _make_dict(None,
	     'January','February','March','April','May','June',
	     'July','August','September','October','November','December')

    # Instance variables
    MonthNames = ()
    WeekdayNames = ()

    def __init__(self):

	""" Init. the instance variables.
	"""
	l = []
	for i in range(1,13):
	    l.append(self.Month[i])
	self.MonthNames = tuple(l)

	l = []
	for i in range(7):
	    l.append(self.Weekday[i])
	self.WeekdayNames = tuple(l)

    def str(self,d):
	
	"""str(datetime)

	   Return the given DateTime instance formatted according to
	   the locale's convention. Timezone information is not
	   presented.

        """
	return '%s %02i %s %04i %02i:%02i:%02i' % (
	    self.Weekday[d.day_of_week],
	    d.day,self.Month[d.month],d.year,
	    d.hour,d.minute,d.second)

    # Alias
    ctime = str

# Singletons that implement the specific methods.

class English(_TimeLocale):
    Weekday = _make_dict('Monday','Tuesday','Wednesday','Thursday','Friday',
			    'Saturday','Sunday')
    Month = _make_dict(None,
	     'January','February','March','April','May','June',
	     'July','August','September','October','November','December')

English = English()

class German(_TimeLocale):
    Weekday = _make_dict('Montag','Dienstag','Mittwoch','Donnerstag',
			    'Freitag','Samstag','Sonntag')
    Month = _make_dict(None,
	     'Januar','Februar','März','April','Mai','Juni',
	     'Juli','August','September','Oktober','November','Dezember')

German = German()

class French(_TimeLocale):
    Weekday = _make_dict('lundi','mardi','mercredi','jeudi',
			 'vendredi','samedi','dimanche')
    Month = _make_dict(None,
	     'janvier','février','mars','avril','mai','juin',
	     'juillet','août','septembre','octobre','novembre','décembre')

French = French()

class Spanish(_TimeLocale):
    Weekday = _make_dict('lunes','martes','rcoles','jueves','viernes',
			 'bado','domingo')
    Month = _make_dict(None,
	     'enero','febrero','marzo','abril','mayo','junio',
	     'julio','agosto','septiembre','octubre','noviembre','diciembre')

Spanish = Spanish()

class Portuguese(_TimeLocale):
    Weekday = _make_dict('segunda','ter','quarta','quinta',
			 'sexta','bado','domingo')
    Month = _make_dict(None,
	     'janeiro','fevereiro','mar','abril','maio','junho',
	     'julho','agosto','septembro','outubro','novembro','dezembro')

Portuguese = Portuguese()

###

def _test():

    import DateTime
    d = DateTime.now()
    for lang in (English,German,French,Spanish,Portuguese):
        print lang.__class__.__name__,':',lang.ctime(d)

if __name__ == '__main__':
    _test()