Source code for keygrabber.Version

__all__ = ('version')

# Component files in the module will append their CVS/SVN $Revision string to
# the versions list. The version() function builds a 'total' version number
# that is the sum of all contributed values.

versions = []

append = versions.append
append ('$Revision: 94706 $')


def version ():
    ''' Return a version number for this module. The version
        number is computed by multiplying the major CVS revision of
        each individual component by 1,000, directly adding the minor
        version, and summing the results. SVN revision numbers are
        strictly added.
    '''

    value = version.value

    if value == None:
        value = buildVersion ()
        version.value = value

    return value


version.value = None



def buildVersion ():

    sample = versions[0]
    revision = sample.split ()[1]

    try:
        int (revision)
    except (ValueError, TypeError):
        return buildFloatVersion ()
    else:
        return buildIntVersion ()



def buildFloatVersion ():

    total = 0

    for subversion in versions:
        number = subversion.split ()[1]

        left,right = number.split ('.')
        total += int (left) * 1000
        total += int (right)

    return total



def buildIntVersion ():

    total = 0

    for subversion in versions:
        number = subversion.split ()[1]
        total += int (number)

    return total



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