KTimeZoneSource

KDE 4.5 PyKDE API Reference

- KDE's Python API

# KTimeZoneSource Class Reference

`from PyKDE4.kdecore import *`

Subclasses: KSystemTimeZoneSource, KTzfileTimeZoneSource

## Detailed Description

Base class representing a source of time zone information.

Derive subclasses from KTimeZoneSource to read and parse time zone details from a time zone database or other source of time zone information. If can know in advance what KTimeZone instances to create without having to parse the source data, you should reimplement the virtual method parse(const KTimeZone&). Otherwise, you need to define your own parse() methods with appropriate signatures, to both read and parse the new data, and create new KTimeZone instances.

KTimeZoneSource itself may be used as a dummy source which returns empty time zone details.

Base class representing a source of time zone information

See also:
  KTimeZone, KTimeZoneData

Author:
  David Jarvie <djarvie@kde.org>.

Author:
  S.R.Haque <srhaque@iee.org>.

## Methods
| __init__ (self)
| __init__ (self, bool useZoneParse)
| __init__ (self, KTimeZoneSource other)
KTimeZoneData | parse (self, KTimeZone zone)
bool | useZoneParse (self)

## Method Documentation

__init__ | ( |  | self ) |

__init__ | ( | self, |
|  | bool | useZoneParse
| ) |  |  |

Constructor for use by derived classes, which specifies whether the source database supports the ad hoc extraction of data for individual time zones using parse(const KTimeZone&).

If parse(const KTimeZone&) cannot be used, KTimeZone derived classes which use this KTimeZoneSource derived class must create a KTimeZoneData object at construction time so that KTimeZone.data() will always return a data object.

Note the default constructor is equivalent to KTimeZoneSource(true), i.e. it is only necessary to use this constructor if parse(const KTimeZone&) does not work.

Parameters:

  | useZoneParse | true if parse(const KTimeZone&) works, false if parsing must be performed by other methods

__init__ | ( | self, |
|  | KTimeZoneSource | other
| ) |  |  |

KTimeZoneData parse | ( | self, |
|  | KTimeZone | zone
| ) |  |  |

Extracts detail information for one time zone from the source database.

In this base class, the method always succeeds and returns an empty data instance. Derived classes should reimplement this method to return an appropriate data class derived from KTimeZoneData. Some source databases may not be compatible with this method of parsing. In these cases, they should use the constructor KTimeZoneSource(false) and calling this method will produce a fatal error.

Parameters:

  | zone | the time zone for which data is to be extracted.

Returns:
  an instance of a class derived from KTimeZoneData containing the parsed data. The caller is responsible for deleting the KTimeZoneData instance. Null is returned on error.

bool useZoneParse | ( |  | self ) |

Return whether the source database supports the ad hoc extraction of data for individual time zones using parse(const KTimeZone&).

Returns:
  true if parse(const KTimeZone&) works, false if parsing must be performed by other methods