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annotate roundup/anypy/cmp_.py @ 7399:deb8e7e6d66d

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Skip redis tests if unable to communicate with the server. If the redis module is in the test environment, the redis tests will not be skipped. If connecting to redis during testing fails with a ConnectionError because there is no redis server at localhost, or if it fails with an AuthenticationError, you would fail a slew of tests. This causes the tests to report as skipped if either of the two errors occurs. It is very inefficient as it fails in setup() for the tests, but at least it does report skipping the tests. Also documented how to pass the redis password to the tests in the test part of the install docs. Future note: running tests needs proper docs in development.txt (including database setup) and a link left to that doc in installation.txt.
author John Rouillard <rouilj@ieee.org>
date Wed, 24 May 2023 12:52:53 -0400
parents 142553f58694
children 706f3be6ffbb
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
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4 def NoneAndDictComparable(v):
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5 return v
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6 except TypeError:
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7 # comparator to allow comparisons against None and dict
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8 # comparisons (these were allowed in Python 2, but aren't allowed
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9 # in Python 3 any more)
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10 class NoneAndDictComparable(object):
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11 def __init__(self, value):
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12 self.value = value
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13
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14 def __cmp__(self, other):
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15 if not isinstance(other, self.__class__):
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16 raise TypeError('not comparable')
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17
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18 if self.value == other.value:
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19 return 0
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20
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21 elif self.value is None:
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22 return -1
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23
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24 elif other.value is None:
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25 return 1
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26
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27 elif type(self.value) == tuple and type(other.value) == tuple:
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28 for lhs, rhs in zip(self.value, other.value):
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29 lhsCmp = NoneAndDictComparable(lhs)
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30 rhsCmp = NoneAndDictComparable(rhs)
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31 result = lhsCmp.__cmp__(rhsCmp)
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32 if result != 0:
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33 return result
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34
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35 return len(self.value) - len(other.value)
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36
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37 elif type(self.value) == dict and type(other.value) == dict:
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38 diff = len(self.value) - len(other.value)
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39 if diff == 0:
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40 lhsItems = tuple(sorted(self.value.items(),
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41 key=NoneAndDictComparable))
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42 rhsItems = tuple(sorted(other.value.items(),
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43 key=NoneAndDictComparable))
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44 return -1 if NoneAndDictComparable(lhsItems) < NoneAndDictComparable(rhsItems) else 1
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45 else:
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46 return diff
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47
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48 elif self.value < other.value:
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49 return -1
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50
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51 else:
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52 return 1
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53
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54 def __eq__(self, other):
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55 return self.__cmp__(other) == 0
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57 def __ne__(self, other):
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58 return self.__cmp__(other) != 0
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60 def __lt__(self, other):
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61 return self.__cmp__(other) < 0
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63 def __le__(self, other):
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64 return self.__cmp__(other) <= 0
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66 def __ge__(self, other):
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67 return self.__cmp__(other) >= 0
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69 def __gt__(self, other):
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70 return self.__cmp__(other) > 0
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71
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73 def _test():
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74 Comp = NoneAndDictComparable
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75
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76 assert Comp(None) < Comp(0)
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77 assert Comp(None) < Comp('')
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78 assert Comp(None) < Comp({})
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79 assert Comp((0, None)) < Comp((0, 0))
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80 assert not Comp(0) < Comp(None)
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81 assert not Comp('') < Comp(None)
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82 assert not Comp({}) < Comp(None)
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83 assert not Comp((0, 0)) < Comp((0, None))
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84
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85 assert Comp((0, 0)) < Comp((0, 0, None))
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86 assert Comp((0, None, None)) < Comp((0, 0, 0))
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87
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88 assert Comp(0) < Comp(1)
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89 assert Comp(1) > Comp(0)
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90 assert not Comp(1) < Comp(0)
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91 assert not Comp(0) > Comp(0)
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92
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93 assert Comp({0: None}) < Comp({0: 0})
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94 assert Comp({0: 0}) < Comp({0: 1})
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95
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96 assert Comp({0: 0}) == Comp({0: 0})
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97 assert Comp({0: 0}) != Comp({0: 1})
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98 assert Comp({0: 0, 1: 1}) > Comp({0: 1})
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99 assert Comp({0: 0, 1: 1}) < Comp({0: 0, 2: 2})
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101
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102 if __name__ == '__main__':
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103 _test()
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