Edit File: icu.py
# -*- encoding: utf-8 -*- """ pdt_locales All of the included locale classes shipped with pdt. """ import datetime try: range = xrange except NameError: pass try: import PyICU as pyicu except ImportError: pyicu = None def icu_object(mapping): return type('_icu', (object,), mapping) def merge_weekdays(base_wd, icu_wd): result = [] for left, right in zip(base_wd, icu_wd): if left == right: result.append(left) continue left = set(left.split('|')) right = set(right.split('|')) result.append('|'.join(left | right)) return result def get_icu(locale): def _sanitize_key(k): import re return re.sub("\\.(\\||$)", "\\1", k) from . import base result = dict([(key, getattr(base, key)) for key in dir(base) if not key.startswith('_')]) result['icu'] = None if pyicu is None: return icu_object(result) if locale is None: locale = 'en_US' result['icu'] = icu = pyicu.Locale(locale) if icu is None: return icu_object(result) # grab spelled out format of all numbers from 0 to 100 rbnf = pyicu.RuleBasedNumberFormat(pyicu.URBNFRuleSetTag.SPELLOUT, icu) result['numbers'].update([(rbnf.format(i), i) for i in range(0, 100)]) symbols = result['symbols'] = pyicu.DateFormatSymbols(icu) # grab ICU list of weekdays, skipping first entry which # is always blank wd = [_sanitize_key(w.lower()) for w in symbols.getWeekdays()[1:]] swd = [_sanitize_key(sw.lower()) for sw in symbols.getShortWeekdays()[1:]] # store them in our list with Monday first (ICU puts Sunday first) result['Weekdays'] = merge_weekdays(result['Weekdays'], wd[1:] + wd[0:1]) result['shortWeekdays'] = merge_weekdays(result['shortWeekdays'], swd[1:] + swd[0:1]) result['Months'] = [_sanitize_key(m.lower()) for m in symbols.getMonths()] result['shortMonths'] = [_sanitize_key(sm.lower()) for sm in symbols.getShortMonths()] keys = ['full', 'long', 'medium', 'short'] createDateInstance = pyicu.DateFormat.createDateInstance createTimeInstance = pyicu.DateFormat.createTimeInstance icu_df = result['icu_df'] = { 'full': createDateInstance(pyicu.DateFormat.kFull, icu), 'long': createDateInstance(pyicu.DateFormat.kLong, icu), 'medium': createDateInstance(pyicu.DateFormat.kMedium, icu), 'short': createDateInstance(pyicu.DateFormat.kShort, icu), } icu_tf = result['icu_tf'] = { 'full': createTimeInstance(pyicu.DateFormat.kFull, icu), 'long': createTimeInstance(pyicu.DateFormat.kLong, icu), 'medium': createTimeInstance(pyicu.DateFormat.kMedium, icu), 'short': createTimeInstance(pyicu.DateFormat.kShort, icu), } result['dateFormats'] = {} result['timeFormats'] = {} for x in keys: result['dateFormats'][x] = icu_df[x].toPattern() result['timeFormats'][x] = icu_tf[x].toPattern() am = pm = ts = '' # ICU doesn't seem to provide directly the date or time separator # so we have to figure it out o = result['icu_tf']['short'] s = result['timeFormats']['short'] result['usesMeridian'] = 'a' in s result['uses24'] = 'H' in s # '11:45 AM' or '11:45' s = o.format(datetime.datetime(2003, 10, 30, 11, 45)) # ': AM' or ':' s = s.replace('11', '').replace('45', '') if len(s) > 0: ts = s[0] if result['usesMeridian']: # '23:45 AM' or '23:45' am = s[1:].strip() s = o.format(datetime.datetime(2003, 10, 30, 23, 45)) if result['uses24']: s = s.replace('23', '') else: s = s.replace('11', '') # 'PM' or '' pm = s.replace('45', '').replace(ts, '').strip() result['timeSep'] = [ts] result['meridian'] = [am, pm] if am and pm else [] o = result['icu_df']['short'] s = o.format(datetime.datetime(2003, 10, 30, 11, 45)) s = s.replace('10', '').replace('30', '').replace( '03', '').replace('2003', '') if len(s) > 0: ds = s[0] else: ds = '/' result['dateSep'] = [ds] s = result['dateFormats']['short'] ll = s.lower().split(ds) dp_order = [] for s in ll: if len(s) > 0: dp_order.append(s[:1]) result['dp_order'] = dp_order return icu_object(result)
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