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annotate roundup/anypy/cmp_.py @ 5814:bd6d41f21a5a

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More extensive EditCSV testing. Uses test object to cover all types defined by database. Also check for an error with a row that's too short. CSV starts with blank line to verify that it recognises header line. Changes password, date, int, link and other fields. Deletes row and verified that it is retired. Make actions.py properly handle emptying of password field.
author John Rouillard <rouilj@ieee.org>
date Fri, 14 Jun 2019 21:26:19 -0400
parents 9a09719b0d8e
children 142553f58694
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 try:
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2 None < 0
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3 def NoneAndDictComparable(v):
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4 return v
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5 except TypeError:
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6 # comparator to allow comparisons against None and dict
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7 # comparisons (these were allowed in Python 2, but aren't allowed
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8 # in Python 3 any more)
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9 class NoneAndDictComparable(object):
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10 def __init__(self, value):
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11 self.value = value
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12
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13 def __cmp__(self, other):
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14 if not isinstance(other, self.__class__):
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15 raise TypeError('not comparable')
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16
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17 if self.value == other.value:
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18 return 0
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19
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20 elif self.value is None:
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21 return -1
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22
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23 elif other.value is None:
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24 return 1
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25
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26 elif type(self.value) == tuple and type(other.value) == tuple:
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27 for lhs, rhs in zip(self.value, other.value):
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28 lhsCmp = NoneAndDictComparable(lhs)
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29 rhsCmp = NoneAndDictComparable(rhs)
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30 result = lhsCmp.__cmp__(rhsCmp)
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31 if result != 0:
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32 return result
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33
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34 return len(self.value) - len(other.value)
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35
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36 elif type(self.value) == dict and type(other.value) == dict:
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37 diff = len(self.value) - len(other.value)
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38 if diff == 0:
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39 lhsItems = tuple(sorted(self.value.items(),
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40 key=NoneAndDictComparable))
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41 rhsItems = tuple(sorted(other.value.items(),
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42 key=NoneAndDictComparable))
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43 return -1 if NoneAndDictComparable(lhsItems) < NoneAndDictComparable(rhsItems) else 1
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44 else:
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45 return diff
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46
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47 elif self.value < other.value:
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48 return -1
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49
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50 else:
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51 return 1
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52
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53 def __eq__(self, other):
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54 return self.__cmp__(other) == 0
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55 def __ne__(self, other):
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56 return self.__cmp__(other) != 0
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57 def __lt__(self, other):
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58 return self.__cmp__(other) < 0
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59 def __le__(self, other):
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60 return self.__cmp__(other) <= 0
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61 def __ge__(self, other):
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62 return self.__cmp__(other) >= 0
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63 def __gt__(self, other):
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64 return self.__cmp__(other) > 0
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65
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66 def _test():
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67 Comp = NoneAndDictComparable
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68
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69 assert Comp(None) < Comp(0)
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70 assert Comp(None) < Comp('')
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71 assert Comp(None) < Comp({})
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72 assert Comp((0, None)) < Comp((0, 0))
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73 assert not Comp(0) < Comp(None)
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74 assert not Comp('') < Comp(None)
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75 assert not Comp({}) < Comp(None)
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76 assert not Comp((0, 0)) < Comp((0, None))
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77
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78 assert Comp((0, 0)) < Comp((0, 0, None))
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79 assert Comp((0, None, None)) < Comp((0, 0, 0))
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80
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81 assert Comp(0) < Comp(1)
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82 assert Comp(1) > Comp(0)
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83 assert not Comp(1) < Comp(0)
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84 assert not Comp(0) > Comp(0)
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85
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86 assert Comp({ 0: None }) < Comp({ 0: 0 })
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87 assert Comp({ 0: 0 }) < Comp({ 0: 1 })
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88
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89 assert Comp({ 0: 0 }) == Comp({ 0: 0 })
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90 assert Comp({ 0: 0 }) != Comp({ 0: 1 })
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91 assert Comp({ 0: 0, 1: 1 }) > Comp({ 0: 1 })
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92 assert Comp({ 0: 0, 1: 1 }) < Comp({ 0: 0, 2: 2 })
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93
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94 if __name__ == '__main__':
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95 _test()
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