test_bay.py

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#!/usr/bin/env python
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##\author Kevin Watts

PKG = 'life_test'

#import roslib
#roslib.load_manifest(PKG)


class FailedLoadError(Exception): pass
class BayNameExistsError(Exception): pass

##\brief Collection of test bays
class TestRoom:
    def __init__(self, hostname):
        self.hostname = hostname
        self._bays = {}

    def add_bay(self, bay):
        if self._bays.has_key(bay.name):
            raise BayNameExistsError("Bay %s already exists in room %s." % 
                                     (bay.name, self.hostname))
        self._bays[bay.name] = bay

    def get_bay_names(self, need_power):
        if not need_power:
            bays = self._bays.keys()
            bays.sort()
            return bays

        names = []
        for name in self._bays.keys():
            if self._bays[name].board is not None:
                names.append(name)
        names.sort()
        return names

    def get_bay(self, name):
        if not self._bays.has_key(name):
            return None
        return self._bays[name]

##\brief Computer, powerboard and breaker to run test
class TestBay:
    def __init__(self, xml_doc):
        self.name = xml_doc.attributes['name'].value
        self.machine = xml_doc.attributes['machine'].value
        if xml_doc.attributes.has_key('board'):
            self.board = int(xml_doc.attributes['board'].value)
            self.breaker = int(xml_doc.attributes['breaker'].value)
            if self.breaker not in [0, 1, 2]:
                raise FailedLoadError("Invalid power breaker. Must be [0, 1, 2]")
        else:
            self.board = None
            self.breaker = None