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Viewing changes to lib/lpresults/hardware/models/device.py

  • Committer: Marc Tardif
  • Date: 2011-09-19 21:09:02 UTC
  • Revision ID: marc.tardif@canonical.com-20110919210902-32f23dwivc6tua56
Changed results to only return the last state which fixes bug #852007.

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lib/lpresults/hardware/models/device.py
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    AutoReload,
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    Int,
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    Reference,
 
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    Store,
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    )
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from zope.cachedescriptors.property import Lazy
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from zope.component import getUtility
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from zope.interface import implements
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from lazr.restful.interfaces import IServiceRootResource
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from lpresults.repository.formats.pnp import pnp_vendor_to_int
 
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from lpresults.hardware.interfaces.device import (
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    IDevice,
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    IDeviceSet,
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    category_id = Int(name="category")
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    bus = Reference(bus_id, DeviceBus.id)
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    product = Reference(
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        (bus_id, product_id, vendor_id),
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        (DeviceProduct.bus_id, DeviceProduct.product_id,
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            DeviceProduct.vendor_id))
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    vendor = Reference(
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        (bus_id, vendor_id),
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        (DeviceVendor.bus_id, DeviceVendor.vendor_id))
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    def __path_parts__(self):
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        return ("devices", self.path,)
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    @Lazy
 
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    def product(self):
 
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        # XXX Using find instead of a reference because the vendor_id
 
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        #     might be null.
 
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        return Store.of(self).find(
 
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            DeviceProduct, bus_id=self.bus_id, product_id=self.product_id,
 
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            vendor_id=self.vendor_id).one()
 
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    @property
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    def path(self):
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        path = "%s:%.4X" % (self.bus_name, self.product_id or 0)
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        vendor_name=None, product_id=None, vendor_id=None,
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        subproduct_id=None, subvendor_id=None):
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        """See `IDeviceSet`."""
 
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        # XXX Special case for PNP where the vendor_id can be generated.
 
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        if bus_name == "pnp":
 
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            vendor_id = pnp_vendor_to_int(vendor_name)
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        id = get_hardware_store().execute(
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            "SELECT get_device(?, ?, ?, ?, ?, ?, ?, ?)",
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            (bus_name, category_name, product_name, vendor_name,