1 | # pyOASIS - A Python wrapper for OASIS |
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2 | # Authors: Philippe Gambron, Rupert Ford |
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3 | # Copyright (C) 2019 UKRI - STFC |
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4 | |
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5 | # This program is free software: you can redistribute it and/or modify |
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6 | # it under the terms of the GNU Lesser General Public License as |
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7 | # published by the Free Software Foundation, either version 3 of the |
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8 | # License, or any later version. |
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9 | |
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10 | # This program is distributed in the hope that it will be useful, |
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11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | # GNU Lesser General Public License for more details. |
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14 | |
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15 | # A copy of the GNU Lesser General Public License, version 3, is supplied |
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16 | # with this program, in the file lgpl-3.0.txt. It is also available at |
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17 | # <https://www.gnu.org/licenses/lgpl-3.0.html>. |
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18 | |
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19 | |
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20 | import pyoasis.exception |
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21 | |
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22 | |
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23 | def check_types(types, arguments): |
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24 | """Checks the arguments of a function.""" |
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25 | if len(arguments) != len(types): |
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26 | raise pyoasis.PyOasisException("The function requires " |
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27 | + str(len(types)) + " arguments.") |
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28 | i = 0 |
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29 | for (t, a) in zip(types, arguments): |
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30 | if t == list: |
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31 | if a is not None and not isinstance(a, t): |
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32 | raise pyoasis.PyOasisException("Argument " + str(i) |
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33 | + " must be of type " |
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34 | + str(t) + ".") |
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35 | try: |
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36 | ty_list = type(a[0]) |
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37 | except IndexError: |
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38 | raise pyoasis.PyOasisException("The function requires a list but got "+str(a)) |
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39 | for element in a: |
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40 | if (type(element) != int and type(element) != str) or \ |
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41 | type(element) != ty_list: |
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42 | raise pyoasis.PyOasisException( |
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43 | "The elements of the list in argument " |
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44 | + str(i) + " must be all integers or strings.") |
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45 | else: |
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46 | if a is not None and not isinstance(a, t): |
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47 | raise pyoasis.PyOasisException("Argument " + str(i) |
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48 | + " must be of type " |
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49 | + str(t) + ".") |
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50 | |
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51 | i = i + 1 |
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