Mercurial > hg > toolbox

annotate toolbox/util.py @ 10:2fc286e008f5

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py3
author Jeff Hammel <k0scist@gmail.com>
date Tue, 24 Nov 2020 13:05:51 -0800
parents b0942f44413f
children
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b0942f44413f import from git://github.com/mozilla/toolbox.git
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1 """
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2 utilities for toolbox
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3 """
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4
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5 try:
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6 import json
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7 except ImportError:
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8 import simplejson as json
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9
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10 def strsplit(string):
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11 """sensibly split a comma-separated string"""
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12 string = string.strip()
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13 if not string:
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14 return []
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15 return [i.strip() for i in string.split(',')]
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16
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17 def strreplace(string, translation):
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18 """replace substrings from a translation matrix"""
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19 for key, value in translation.items():
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20 string = string.replace(key, value)
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21 return string
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22
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23 def str2filename(string):
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24 """converts a string to an acceptable filename"""
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25 matrix = {' ': '_',
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26 '>': '',
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27 '<': '',
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28 "'": '',
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29 '"': '',
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30 '&': '+',
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31 '\\': '',
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32 '\x00': '',
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33 '/': ''}
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34 return strreplace(string, matrix)
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35
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36
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37 class JSONEncoder(json.JSONEncoder):
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38 """provide additional serialization for JSON"""
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39
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40 def default(self, obj):
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41 if hasattr(obj, 'isoformat'):
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42 return obj.isoformat()
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43 if isinstance(obj, set):
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44 return list(obj)
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45
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46 return json.JSONEncoder.default(self, obj)
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47
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48 if __name__ == '__main__':
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49 # test the encoder
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50 testjson = {}
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51
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52 # test date encoding
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53 from datetime import datetime
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54 testjson['date'] = datetime.now()
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55
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56 # test set encoding
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57 testjson['set'] = set([1,2,3,2])
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58
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59 print(json.dumps(testjson, cls=JSONEncoder))