casa6

import logging

import sys

import filecmp

import os

import numpy

import numbers

import shutil

try:

    # CASA 6

    logging.debug("Importing CASAtools")

    import casatools

    _tb = casatools.table()

    _tb2 = casatools.table()

    # _casa6 = True

​

except ImportError:

    # CASA 5

    logging.debug("Import casa6 errors. Trying CASA5...")

    from taskinit import tbtool

    _tb = tbtool()

    _tb2 = tbtool()

    # _casa5 = True

​

#ignore_subversion = shutil.ignore_patterns('.svn')

################        ##################

################        ##################

################        ##################

​

​

#class TableCacheValidator(object):

#    def __init__(self):

#        self.original_cache = get_table_cache()

#

#    def validate(self):

#        cache = get_table_cache()

#        #print 'original {} current {}'.format(self.original_cache, cache)

#        return len(cache) == 0 or cache == self.original_cache

​

#class DictDiffer(object):

#    """

#    Calculate the difference between two dictionaries as:

#    (1) items added

#    (2) items removed

#    (3) keys same in both but changed values

#    (4) keys same in both and unchanged values

#    Example:

#            mydiff = DictDiffer(dict1, dict2)

#            mydiff.changed()  # to show what has changed

#    """

#    def __init__(self, current_dict, past_dict):

#        self.current_dict, self.past_dict = current_dict, past_dict

#        self.set_current, self.set_past = set(current_dict.keys()), set(past_dict.keys())

#        self.intersect = self.set_current.intersection(self.set_past)

#    def added(self):

#        return self.set_current - self.intersect 

#    def removed(self):

#        return self.set_past - self.intersect 

#    def changed(self):

#        return set(o for o in self.intersect if self.past_dict[o] != self.current_dict[o])            

#    def unchanged(self):

#        return set(o for o in self.intersect if self.past_dict[o] == self.current_dict[o])

​

​

​

################        ##################

################        ##################

################        ##################

​

​

def compare_CASA_var_col_tables(referencetab, testtab, varcol, tolerance=0.0):

    '''

    originally: compVarColTables(referencetab, testtab, varcol, tolerance=0.)

    compare_CASA_variable_cols - Compare a variable column of two CASA tables.

       @param referencetab  --> a reference table

       @param testtab       --> a table to verify

       @param varcol        --> the name of a variable column (str)

       @param tolerance     --> Tolerance

       @return: True if reference tab == test table else False

    '''

    logging.info("Comparing Column: {} within {} and {}".format(varcol,referencetab, testtab))

    logging.debug("Executing: compare_CASA_variable_cols(referencetab={},testtab={}, varcol={}, tolerance={})".format(referencetab, testtab, varcol, tolerance))

    retval = True

​

    _tb.open(referencetab)

    cnames = _tb.colnames()

​

    _tb2.open(testtab)

    col = varcol

    if _tb.isvarcol(col) and _tb2.isvarcol(col):

        try:

            # First check