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# QSystemLocale Class Reference
[QtCore module]

The QSystemLocale class can be used to finetune the system locale of the user. More...

### Types

- enum QueryType { LanguageId, CountryId, DecimalPoint, GroupSeparator, ..., PMText }

### Methods

- __init__ (self)
- __init__ (self, QSystemLocale)
- QLocale fallbackLocale (self)
- QVariant query (self, QueryType type, QVariant in)

## Detailed Description

The QSystemLocale class can be used to finetune the system locale of the user.

Warning: This class is only useful in very rare cases. Usually QLocale offers all the functionality required for application development.

QSystemLocale allows to override the values provided by the system locale (QLocale.system()).

## Type Documentation

### QSystemLocale.QueryType

Specifies the type of information queried by query(). For each value the type of information to return from the query() method is listed.

Constant | Value | Description
--- | --- | ---
`QSystemLocale.LanguageId` | `0` | a uint specifying the language.
`QSystemLocale.ScriptId` | `33` | a uint specifying the script.
`QSystemLocale.CountryId` | `1` | a uint specifying the country.
`QSystemLocale.DecimalPoint` | `2` | a QString specifying the decimal point.
`QSystemLocale.GroupSeparator` | `3` | a QString specifying the group separator.
`QSystemLocale.ZeroDigit` | `4` | a QString specifying the zero digit.
`QSystemLocale.NegativeSign` | `5` | a QString specifying the minus sign.
`QSystemLocale.PositiveSign` | `23` | a QString specifying the plus sign.
`QSystemLocale.DateFormatLong` | `6` | a QString specifying the long date format
`QSystemLocale.DateFormatShort` | `7` | a QString specifying the short date format
`QSystemLocale.TimeFormatLong` | `8` | a QString specifying the long time format
`QSystemLocale.TimeFormatShort` | `9` | a QString specifying the short time format
`QSystemLocale.DayNameLong` | `10` | a QString specifying the name of a weekday. the in variant contains an integer between 1 and 7 (Monday - Sunday)
`QSystemLocale.DayNameShort` | `11` | a QString specifying the short name of a weekday. the in variant contains an integer between 1 and 7 (Monday - Sunday)
`QSystemLocale.MonthNameLong` | `12` | a QString specifying the name of a month. the in variant contains an integer between 1 and 12
`QSystemLocale.MonthNameShort` | `13` | a QString specifying the short name of a month. the in variant contains an integer between 1 and 12
`QSystemLocale.DateToStringLong` | `14` | converts the QDate stored in the in variant to a QString using the long date format
`QSystemLocale.DateToStringShort` | `15` | converts the QDate stored in the in variant to a QString using the short date format
`QSystemLocale.TimeToStringLong` | `16` | converts the QTime stored in the in variant to a QString using the long time format
`QSystemLocale.TimeToStringShort` | `17` | converts the QTime stored in the in variant to a QString using the short time format
`QSystemLocale.DateTimeFormatLong` | `18` | a QString specifying the long date time format
`QSystemLocale.DateTimeFormatShort` | `19` | a QString specifying the short date time format
`QSystemLocale.DateTimeToStringLong` | `20` | converts the QDateTime in the in variant to a QString using the long datetime format
`QSystemLocale.DateTimeToStringShort` | `21` | converts the QDateTime in the in variant to a QString using the short datetime format
`QSystemLocale.MeasurementSystem` | `22` | a QLocale.MeasurementSystem enum specifying the measurement system
`QSystemLocale.AMText` | `24` | a string that represents the system AM designator associated with a 12-hour clock.
`QSystemLocale.PMText` | `25` | a string that represents the system PM designator associated with a 12-hour clock.
`QSystemLocale.FirstDayOfWeek` | `26` | a Qt.DayOfWeek enum specifiying the first day of the week
`QSystemLocale.CurrencySymbol` | `28` | a string that represents a currency in a format QLocale.CurrencyFormat.
`QSystemLocale.CurrencyToString` | `29` | a localized string representation of a number with a currency symbol. Converts a QSystemLocale.CurrencyToStringArgument stored in the in variant to a QString.
`QSystemLocale.UILanguages` | `30` | a list of strings representing locale names that could be used for UI translation.
`QSystemLocale.StringToStandardQuotation` | `31` | a QString containing a quoted version of the string ref stored in the in variant using standard quotes.
`QSystemLocale.StringToAlternateQuotation` | `32` | a QString containing a quoted version of the string ref stored in the in variant using alternate quotes.
`QSystemLocale.Weekdays` | `27` | a QList<Qt.DayOfWeek> specifying the regular weekdays
`QSystemLocale.LocaleChanged` | `35` | this type is queried whenever the system locale is changed.
`QSystemLocale.ListToSeparatedString` | `34` | a string that represents a join of a given QStringList with a locale-defined separator.
`QSystemLocale.NativeLanguageName` | `36` | a string that represents the name of the native language.
`QSystemLocale.NativeCountryName` | `37` | a string that represents the name of the native country.

## Method Documentation

### QSystemLocale.__init__ (self)

Constructs a QSystemLocale object. The constructor will automatically install this object as the system locale and remove any earlier installed system locales.

### QSystemLocale.__init__ (self, QSystemLocale)

### QLocale QSystemLocale.fallbackLocale (self)

Returns the fallback locale obtained from the system.

This function was introduced in Qt 4.6.

### QVariant QSystemLocale.query (self, QueryType type, QVariant in)

Generic query method for locale data. Provides indirection. Denotes the type of the query with in as input data depending on the query.

See also QSystemLocale.QueryType.