Distro Arch Release Binary Package Release
==========================================

  >>> from lp.soyuz.model.distroarchseriesbinarypackagerelease \
  ...   import DistroArchSeriesBinaryPackageRelease as DARBPR
  >>> from lp.soyuz.model.binarypackagerelease import (
  ...     BinaryPackageRelease)
  >>> from lp.soyuz.model.distroarchseries import (
  ...     DistroArchSeries)

Grab the relevant DARs and BPRs:

  >>> warty = DistroArchSeries.get(1)
  >>> print warty.distroseries.name
  warty
  >>> hoary = DistroArchSeries.get(6)
  >>> print hoary.distroseries.name
  hoary

  >>> mf = BinaryPackageRelease.get(12)
  >>> print mf.binarypackagename.name
  mozilla-firefox

  >>> pm = BinaryPackageRelease.get(15)
  >>> print pm.binarypackagename.name
  pmount

Assemble our DARBPRs for fun and profit:

  >>> mf_warty = DARBPR(warty, mf)
  >>> mf_hoary = DARBPR(hoary, mf)
  >>> pm_warty = DARBPR(warty, pm)
  >>> pm_hoary = DARBPR(hoary, pm)

  >>> for darbpr in [mf_warty, mf_hoary, pm_warty, pm_hoary]:
  ...   print darbpr.name, darbpr.version, darbpr._latest_publishing_record()
  mozilla-firefox 0.9 <BinaryPackagePublishingHistory at 0x...>
  mozilla-firefox 0.9 None
  pmount 0.1-1 <BinaryPackagePublishingHistory at 0x...>
  pmount 0.1-1 <BinaryPackagePublishingHistory at 0x...>

  >>> print mf_warty.status.title, pm_warty.status.title, pm_hoary.status.title
  Published Superseded Published


Retrieving the parent object, a DistroArchSeriesBinaryPackage.

    >>> from lp.registry.interfaces.distribution import (
    ...     IDistributionSet)

    >>> warty_i386 = getUtility(IDistributionSet)['ubuntu']['warty']['i386']

    >>> warty_i386_pmount = warty_i386.getBinaryPackage('pmount')
    >>> print warty_i386_pmount.title
    "pmount" binary package in Ubuntu Warty i386

    >>> pmount_release_in_warty = warty_i386_pmount['0.1-1']
    >>> print pmount_release_in_warty.title
    pmount 0.1-1 (i386 binary) in ubuntu warty

    >>> parent = (
    ...     pmount_release_in_warty.distroarchseriesbinarypackage)
    >>> print parent.title
    "pmount" binary package in Ubuntu Warty i386