def codesToIdName(self, language, script, country, variant=''):
"""Maps each code to the appropriate ID and name.
Returns a 4-tuple of (ID, name) pairs corresponding to the
language, script, country and variant given. Raises a
suitable error if any of them is unknown, indicating all that
are unknown plus suitable names for any that could sensibly be
added to enumdata.py to make them known.
Until we implement variant support (QTBUG-81051), the fourth
member of the returned tuple is always 0 paired with a string
that should not be used."""
enum = self.__enumMap
try:
return (enum('language')[language], enum('script')[script],
enum('country')[country], enum('variant')[variant])
except KeyError:
pass
parts, values = [], [language, script, country, variant]
for index, key in enumerate(
('language', 'script', 'country', 'variant')):
naming, enums = self.__codeMap(key), enum(key)
value = values[index]
if value not in enums:
text = '{} code {}'.format(key, value)
name = naming.get(value)
if name and value != 'POSIX':
text += u' (could add {})'.format(name)
parts.append(text)
if len(parts) > 1:
parts[-1] = 'and ' + parts[-1]
assert parts
raise Error('Unknown ' + ', '.join(parts), language, script, country,
variant)
def numberSystem(self, system):
"""Get a description of a numbering system.
Returns a mapping, with keys u'digits', u'type' and u'id'; the
value for this last is system. Raises KeyError for unknown
number system, ldml.Error on failure to load data."""
try:
return self.__numberSystems[system]
except KeyError:
raise Error('Unsupported number system: {}'.format(system))
def __localeAsDoc(self, name: str, aliasFor = None):
path = f'common/main/{name}.xml'
if self.root.joinpath(path).exists():
elt = self.__xml(path)
for child in Node(elt).findAllChildren('alias'):
try:
alias = child.dom.attributes['source'].nodeValue
except (KeyError, AttributeError):
pass
else:
return self.__localeAsDoc(alias, aliasFor or name)
# No alias child with a source:
return elt
if aliasFor:
raise Error(f'Fatal error: found an alias "{aliasFor}" -> "{name}", '
'but found no file for the alias')
def __localeAsDoc(self, name, aliasFor = None,
joinPath = os.path.join, exists = os.path.isfile):
path = ('common', 'main', name + '.xml')
if exists(joinPath(self.root, *path)):
elt = self.__xml(path)
for child in Node(elt).findAllChildren('alias'):
try:
alias = child.dom.attributes['source'].nodeValue
except (KeyError, AttributeError):
pass
else:
return self.__localeAsDoc(alias, aliasFor or name)
# No alias child with a source:
return elt
if aliasFor:
raise Error('Fatal error: found an alias "{}" -> "{}", but found no file for the alias'
.format(aliasFor, name))
def readWindowsTimeZones(self, lookup): # For use by cldr2qtimezone.py
"""Digest CLDR's MS-Win time-zone name mapping.
MS-Win have their own eccentric names for time-zones. CLDR
helpfully provides a translation to more orthodox names.
Singe argument, lookup, is a mapping from known MS-Win names
for locales to a unique integer index (starting at 1).
The XML structure we read has the form:
<supplementalData>
<windowsZones>
<mapTimezones otherVersion="..." typeVersion="...">
<!-- (UTC-08:00) Pacific Time (US & Canada) -->
<mapZone other="Pacific Standard Time" territory="001" type="America/Los_Angeles"/>
<mapZone other="Pacific Standard Time" territory="CA" type="America/Vancouver America/Dawson America/Whitehorse"/>
<mapZone other="Pacific Standard Time" territory="US" type="America/Los_Angeles America/Metlakatla"/>
<mapZone other="Pacific Standard Time" territory="ZZ" type="PST8PDT"/>
</mapTimezones>
</windowsZones>
</supplementalData>
"""
zones = self.supplement('windowsZones.xml')
enum = self.__enumMap('country')
badZones, unLands, defaults, windows = set(), set(), {}, {}
for name, attrs in zones.find('windowsZones/mapTimezones'):
if name != 'mapZone':
continue
wid, code = attrs['other'], attrs['territory']
data = dict(windowsId = wid,
countryCode = code,
ianaList = attrs['type'])
try:
key = lookup[wid]
except KeyError:
badZones.add(wid)
key = 0
data['windowsKey'] = key
if code == u'001':
defaults[key] = data['ianaList']
else:
try:
cid, name = enum[code]
except KeyError:
unLands.append(code)
continue
data.update(countryId = cid, country = name)
windows[key, cid] = data
if unLands:
raise Error('Unknown country codes, please add to enumdata.py: '
+ ', '.join(sorted(unLands)))
if badZones:
raise Error('Unknown Windows IDs, please add to cldr2qtimezone.py: '
+ ', '.join(sorted(badZones)))
return self.cldrVersion, defaults, windows