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1 #!/usr/bin/env python3
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2
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3 import dateutil.parser
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4
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5
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6 class ValueParsers():
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7
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8 def parse_char64(val):
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9 val = str(val)
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10 if(len(val) != 64):
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11 return ("This field expects a string of lenght 64 but the lenght "
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12 "of the string is {}. The string is: {}"
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13 .format(len(val), val))
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14
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15 def parse_date(val):
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16 try:
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17 # If the date is just a year it might be an integer (ex. 2018)
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18 dateutil.parser.isoparse(str(val))
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19 except ValueError:
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20 return ("Date format not recognised. Date format must adhere to "
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21 "the ISO 8601 format (YYYY-MM-DD). Provided value was: {}"
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22 .format(val))
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23
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24 def parse_integer(val):
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25 try:
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26 val = int(float(val))
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27 except ValueError:
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28 return "Value must be an integer. Value was: {}".format(val)
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29
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30 def parse_percentage(val):
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31 try:
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32 val = float(val)
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33 except ValueError:
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34 return "Value must be a number. Value was: {}".format(val)
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35 if(val < 0 or val > 100):
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36 return ("Percentage value must be between 0 and 100. The value "
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37 "was: {}".format(val))
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38
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39 def parse_string(val):
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40 try:
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41 val = str(val)
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42 except ValueError:
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43 return "Value could not be converted to a string."
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44
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45 def parse_float(val):
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46 try:
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47 val = float(val)
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48 except TypeError:
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49 return "Value must be a float. Value was: {}".format(val)
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