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annotate roundup/anypy/cmp_.py @ 7596:e5fa31aad344

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fix: replace bad reverted code change; allow js rate headers Last commit included an incorrect undo. I was going to move the Allow header/output format parsing earlier in the dispatch method. But I reverted it incorrectly and removed it instead. It has been added back in the former location. Header that allows javascript access to the rest rate limit header has been moved. The rate limit headers can be accessed by client side javascript regardless of the rate limit being exceeded.
author John Rouillard <rouilj@ieee.org>
date Thu, 03 Aug 2023 18:28:19 -0400
parents b0c459d1e2c2
children dec7de56f253
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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59
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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 import sys
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75 _py3 = sys.version_info[0] > 2
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76
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77 Comp = NoneAndDictComparable
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78
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79 assert Comp(None) < Comp(0)
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80 assert Comp(None) < Comp('')
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81 assert Comp(None) < Comp({})
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82 assert Comp((0, None)) < Comp((0, 0))
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83 assert not Comp(0) < Comp(None)
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84 assert not Comp('') < Comp(None)
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85 assert not Comp({}) < Comp(None)
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86 assert not Comp((0, 0)) < Comp((0, None))
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87
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88 try:
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89 not Comp("") < Comp((0, None))
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90 if _py3:
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91 assert False, "Incompatible types are reporting comparable."
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92 except TypeError:
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93 pass
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95 assert Comp((0, 0)) < Comp((0, 0, None))
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96 assert Comp((0, None, None)) < Comp((0, 0, 0))
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97
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98 assert Comp(0) < Comp(1)
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99 assert Comp(1) > Comp(0)
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100 assert not Comp(1) < Comp(0)
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101 assert not Comp(0) > Comp(0)
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102
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103 assert Comp(0) <= Comp(1)
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104 assert Comp(1) >= Comp(0)
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105 assert not Comp(1) <= Comp(0)
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106 assert Comp(0) >= Comp(0)
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107
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108 assert Comp({0: None}) < Comp({0: 0})
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109 assert Comp({0: 0}) < Comp({0: 1})
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110
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111 assert Comp({0: 0}) == Comp({0: 0})
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112 assert Comp({0: 0}) != Comp({0: 1})
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113 assert Comp({0: 0, 1: 1}) > Comp({0: 1})
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114 assert Comp({0: 0, 1: 1}) < Comp({0: 0, 2: 2})
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115
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116
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117 if __name__ == '__main__':
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118 _test()
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