def getabovedays(fname, varindex, aboveval, year=2001, convertc2f=False):
    """return variable name, max and min of the variable"""
    cursor = eplussql.getcursor(fname)
    # startpoint = eplussql.get_wfilestart(cursor)
    varunit = eplussql.get_variableunit(cursor, varindex) # var units
    varname = eplussql.get_variablename(cursor, varindex) # varname
    keyvalue = eplussql.get_keyvalue(cursor, varindex) # get keyvalue
    if convertc2f and varunit == u'C': # conversion
        func = eplussql.c2f
        varunit = u'F'
    else:
        func = None
    matrix = eplussql.get_variables(cursor, varindex, func=func) # gets vars
    yhours = date_functions.yeardateshours(year) # yeardates
    matrix = zip(yhours, matrix)
    # days = split2days(matrix, hrs=24) # splits it into 24 hr blocks
    # filtering of days take place below
    # daysabove = filterdaysabove(days, aboveval)
    daysabove = date_functions.filterdays(matrix, -1, aboveval,
                                        date_functions.gt, hrs=24)
    return varname, keyvalue, varunit, daysabove
    
# fname = './eplussql_test/hup01_23_pytest.sql'
# varname, keyvalue, varunit, daysabove = getabovedays(fname, 386, 88, convertc2f=True)
# for day in daysabove:
#     for d, val in day:
#         print '%s, %s' % (d, val)
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def printvars(fname, ReportVariableDataDictionaryIndex, func=None, year=2001):
    """print the variables in csv format"""
    cursor = eplussql.getcursor(fname)
    varname = eplussql.get_variablename(cursor,
                        ReportVariableDataDictionaryIndex)
    keyvalue = eplussql.get_keyvalue(cursor,
                        ReportVariableDataDictionaryIndex)
    matrix = eplussql.get_variables(cursor, 
            ReportVariableDataDictionaryIndex, func=func)
    yhours = date_functions.yeardateshours(year)  
    outmat = [["datetime", varname]] + [["", keyvalue]] + zip(yhours, matrix)      
    for row in outmat:
        print "%s, %s" % tuple(row)
def test_yeardateshours():
    """py.test for yeardateshours"""
    data = ((2004, 
        '2004-1-1 hr2:00', 
        '2004-1-31 hr10:00', 
        '2004-12-31 hr15:00', 
        '2004-12-30 hr24:00'), # year, jan1h2, jan31h10, dec31h15, dec29h24
    )        
    for year, jan1h2, jan31h10, dec31h15, dec29h24 in data:
        yd = date_functions.yeardateshours(year)
        assert yd[0 + 2 - 1] == jan1h2
        assert yd[30 * 24 + 10 - 1] == jan31h10
        assert yd[-1 * 24 + 15 - 1] == dec31h15
        assert yd[-2 * 24 + 24 - 1] == dec29h24