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1
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""" |
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2
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Function for evaluate OVAL operators. |
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3
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""" |
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4
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5
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6
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1 |
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def oval_operator_and(result): |
|
7
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"""The AND operator produces a true result if every argument is true. If one or more arguments |
|
8
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are false, the result of the AND is false. If one or more of the arguments are unknown, and |
|
9
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if none of the arguments are false, then the AND operator produces a result of unknown. |
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10
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11
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Args: |
|
12
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result (dict): Dictionary representing frequencies of values |
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13
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|
14
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Returns: |
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15
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str. return values:: |
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16
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17
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true |
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18
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false |
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19
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error |
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20
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unknown |
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21
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noteval |
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22
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""" |
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23
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1 |
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out_result = None |
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24
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1 |
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eval_eq_zero = eq_zero(result, 'false_cnt') |
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25
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1 |
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eval_greater_zero = greater_zero(result, 'true_cnt') |
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26
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1 |
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if eval_eq_zero and eval_greater_zero and error_unknown_noteval_eq_zero(result): |
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27
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1 |
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out_result = 'true' |
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28
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1 |
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elif greater_zero(result, 'false_cnt'): |
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29
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1 |
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out_result = 'false' |
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30
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else: |
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31
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1 |
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out_result = error_unknown_noteval_for_operators_and_or(result, 'and') |
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32
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1 |
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return out_result |
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33
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|
34
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|
35
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1 |
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def oval_operator_one(result): |
|
36
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"""The ONE operator produces a true result if one and only one argument is true. If there are |
|
37
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more than argument is true (or if there are no true arguments), the result of the ONE |
|
38
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is false. If one or more of the arguments are unknown, then the ONE operator produces |
|
39
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a result of unknown. |
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40
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41
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Args: |
|
42
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result (dict): Dictionary representing frequencies of values |
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43
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|
44
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Returns: |
|
45
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|
str. return values:: |
|
46
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|
47
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true |
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48
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false |
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49
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error |
|
50
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unknown |
|
51
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noteval |
|
52
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""" |
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53
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1 |
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out_result = None |
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54
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1 |
|
if one_is_true(result): |
|
55
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1 |
|
out_result = 'true' |
|
56
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# Operator ONE has two cases of false |
|
57
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1 |
|
elif one_is_false(result) or one_is_false1(result): |
|
58
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1 |
|
out_result = 'false' |
|
59
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1 |
|
elif one_is_error(result): |
|
60
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1 |
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out_result = 'error' |
|
61
|
1 |
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elif one_is_unknown(result): |
|
62
|
1 |
|
out_result = 'unknown' |
|
63
|
1 |
|
elif one_is_noteval(result): |
|
64
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1 |
|
out_result = 'noteval' |
|
65
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1 |
|
return out_result |
|
66
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|
67
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|
|
68
|
1 |
|
def oval_operator_or(result): |
|
69
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|
"""The OR operator produces a true result if one or more arguments is true. If every argument |
|
70
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|
|
is false, the result of the OR is false. If one or more of the arguments are unknown and |
|
71
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if none of arguments are true, then the OR operator produces a result of unknown. |
|
72
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|
|
73
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Args: |
|
74
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|
|
result (dict): Dictionary representing frequencies of values |
|
75
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|
76
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Returns: |
|
77
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|
str. return values:: |
|
78
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|
79
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true |
|
80
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false |
|
81
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error |
|
82
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unknown |
|
83
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noteval |
|
84
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""" |
|
85
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1 |
|
out_result = None |
|
86
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1 |
|
eval_eq_zero = eq_zero(result, 'true_cnt') |
|
87
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1 |
|
eval_greater_zero = greater_zero(result, 'false_cnt') |
|
88
|
1 |
|
if greater_zero(result, 'true_cnt'): |
|
89
|
1 |
|
out_result = 'true' |
|
90
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1 |
|
elif eval_eq_zero and eval_greater_zero and error_unknown_noteval_eq_zero(result): |
|
91
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1 |
|
out_result = 'false' |
|
92
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else: |
|
93
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1 |
|
out_result = error_unknown_noteval_for_operators_and_or(result, 'or') |
|
94
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1 |
|
return out_result |
|
95
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|
96
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|
97
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1 |
|
def oval_operator_xor(result): |
|
98
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|
"""XOR is defined to be true if an odd number of its arguments are true, and false otherwise. |
|
99
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|
If any of the arguments are unknown, then the XOR operator produces a result of unknown. |
|
100
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|
101
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Args: |
|
102
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result (dict): Dictionary representing frequencies of values |
|
103
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|
|
104
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Returns: |
|
105
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|
str. return values:: |
|
106
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|
|
107
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true |
|
108
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false |
|
109
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error |
|
110
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unknown |
|
111
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noteval |
|
112
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|
""" |
|
113
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1 |
|
out_result = None |
|
114
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1 |
|
eval_error_cnt = eq_zero(result, 'error_cnt') |
|
115
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1 |
|
eval_unknown_cnt = eq_zero(result, 'unknown_cnt') |
|
116
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1 |
|
if (result['true_cnt'] % 2) == 1 and eq_zero_unknown_noteval_notappl(result): |
|
117
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1 |
|
out_result = 'true' |
|
118
|
1 |
|
elif (result['true_cnt'] % 2) == 0 and eq_zero_unknown_noteval_notappl(result): |
|
119
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1 |
|
out_result = 'false' |
|
120
|
1 |
|
elif greater_zero(result, 'error_cnt'): |
|
121
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1 |
|
out_result = 'error' |
|
122
|
1 |
|
elif eq_zero(result, 'error_cnt') and greater_zero(result, 'unknown_cnt'): |
|
123
|
1 |
|
out_result = 'unknown' |
|
124
|
1 |
|
elif eval_error_cnt and eval_unknown_cnt and greater_zero(result, 'noteval_cnt'): |
|
125
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1 |
|
out_result = 'noteval' |
|
126
|
1 |
|
return out_result |
|
127
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|
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|
|
128
|
|
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|
|
129
|
1 |
|
def error_unknown_noteval_for_operators_and_or(result, operator): |
|
130
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|
|
"""Evaluates if the result match the values for error, unknown, noteval. |
|
131
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|
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|
|
132
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|
|
Args: |
|
133
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|
|
result (dict): Dictionary representing frequencies of values |
|
134
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|
|
operator (str): Specifies for which operator is used |
|
135
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|
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|
|
136
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|
|
Returns: |
|
137
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|
|
str or None. return values:: |
|
138
|
|
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|
|
139
|
|
|
error |
|
140
|
|
|
unknown |
|
141
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|
|
notappl |
|
142
|
|
|
""" |
|
143
|
1 |
|
out_result = None |
|
144
|
1 |
|
value_for_check = 'false_cnt' if operator == 'and' else 'true_cnt' |
|
145
|
1 |
|
if eq_zero(result, value_for_check) and greater_zero(result, 'error_cnt'): |
|
146
|
1 |
|
out_result = 'error' |
|
147
|
1 |
|
elif eq_zero(result, value_for_check) and error_unknown_eq_zero(result): |
|
148
|
1 |
|
out_result = 'unknown' |
|
149
|
1 |
|
elif eq_zero(result, value_for_check) and error_unknown_eq_noteval_greater_zero(result): |
|
150
|
1 |
|
out_result = 'noteval' |
|
151
|
1 |
|
return out_result |
|
152
|
|
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|
|
153
|
|
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|
|
154
|
1 |
|
def eq_zero(result, cnt): |
|
|
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|
|
155
|
1 |
|
return result[cnt] == 0 |
|
156
|
|
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|
157
|
|
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|
|
158
|
1 |
|
def eq_zero_duo(result, cnt0, cnt1): |
|
|
|
|
|
|
159
|
1 |
|
return result[cnt0] == 0 and result[cnt1] == 0 |
|
160
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|
161
|
|
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|
|
162
|
1 |
|
def greater_zero(result, cnt): |
|
|
|
|
|
|
163
|
1 |
|
return result[cnt] > 0 |
|
164
|
|
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|
|
165
|
|
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|
|
166
|
1 |
|
def eq_or_greater_zero(result, cnt): |
|
|
|
|
|
|
167
|
1 |
|
return result[cnt] >= 0 |
|
168
|
|
|
|
|
169
|
|
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|
|
170
|
1 |
|
def eq_or_greater_zero_duo(result, cnt0, cnt1): |
|
|
|
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|
|
171
|
1 |
|
return result[cnt0] >= 0 and result[cnt1] >= 0 |
|
172
|
|
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|
|
173
|
|
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|
|
174
|
1 |
|
def smaller_than_two(result, cnt): |
|
|
|
|
|
|
175
|
1 |
|
return result[cnt] < 2 |
|
176
|
|
|
|
|
177
|
|
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|
178
|
1 |
|
def one_is_noteval(result): |
|
179
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|
"""Evaluates if the result match noteval for one operator. |
|
180
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|
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|
|
181
|
|
|
Args: |
|
182
|
|
|
result (dict): Dictionary representing frequencies of values |
|
183
|
|
|
|
|
184
|
|
|
Returns: |
|
185
|
|
|
bool. |
|
186
|
|
|
""" |
|
187
|
1 |
|
true_cnt = smaller_than_two(result, 'true_cnt') |
|
188
|
1 |
|
false_cnt_notappl_cnt = eq_or_greater_zero_duo(result, 'false_cnt', 'notappl_cnt') |
|
189
|
1 |
|
error_cnt_unknown_cnt = eq_zero_duo(result, 'error_cnt', 'unknown_cnt') |
|
190
|
1 |
|
noteval_cnt = greater_zero(result, 'noteval_cnt') |
|
191
|
1 |
|
return true_cnt and false_cnt_notappl_cnt and error_cnt_unknown_cnt and noteval_cnt |
|
192
|
|
|
|
|
193
|
|
|
|
|
194
|
1 |
|
def one_is_unknown(result): |
|
195
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|
"""Evaluates if the result match unknown for one operator. |
|
196
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|
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|
|
197
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|
|
Args: |
|
198
|
|
|
result (dict): Dictionary representing frequencies of values |
|
199
|
|
|
|
|
200
|
|
|
Returns: |
|
201
|
|
|
bool. |
|
202
|
|
|
""" |
|
203
|
1 |
|
true_cnt = smaller_than_two(result, 'true_cnt') |
|
204
|
1 |
|
false_cnt = eq_or_greater_zero(result, 'false_cnt') |
|
205
|
1 |
|
error_cnt = eq_zero(result, 'error_cnt') |
|
206
|
1 |
|
unknown_cnt = result['unknown_cnt'] >= 1 |
|
207
|
1 |
|
noteval_cnt_notappl_cnt = eq_or_greater_zero_duo(result, 'noteval_cnt', 'notappl_cnt') |
|
208
|
1 |
|
return true_cnt and false_cnt and error_cnt and unknown_cnt and noteval_cnt_notappl_cnt |
|
209
|
|
|
|
|
210
|
|
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|
|
211
|
1 |
|
def one_is_error(result): |
|
212
|
|
|
"""Evaluates if the result match unknown for one operator. |
|
213
|
|
|
|
|
214
|
|
|
Args: |
|
215
|
|
|
result (dict): Dictionary representing frequencies of values |
|
216
|
|
|
|
|
217
|
|
|
Returns: |
|
218
|
|
|
bool. |
|
219
|
|
|
""" |
|
220
|
1 |
|
true_cnt = smaller_than_two(result, 'true_cnt') |
|
221
|
1 |
|
false_cnt = eq_or_greater_zero(result, 'false_cnt') |
|
222
|
1 |
|
error_cnt = greater_zero(result, 'error_cnt') |
|
223
|
1 |
|
unknown_noteval_notappl = eq_or_greater_zero_unknown_noteval_notappl(result) |
|
224
|
1 |
|
return true_cnt and false_cnt and error_cnt and unknown_noteval_notappl |
|
225
|
|
|
|
|
226
|
|
|
|
|
227
|
1 |
|
def one_is_false(result): |
|
228
|
|
|
"""Evaluates if the result match false for one operator. |
|
229
|
|
|
|
|
230
|
|
|
Args: |
|
231
|
|
|
result (dict): Dictionary representing frequencies of values |
|
232
|
|
|
|
|
233
|
|
|
Returns: |
|
234
|
|
|
bool. |
|
235
|
|
|
""" |
|
236
|
1 |
|
true_cnt = eq_zero(result, 'true_cnt') |
|
237
|
1 |
|
false_cnt = eq_or_greater_zero(result, 'false_cnt') |
|
238
|
1 |
|
unknown_noteval_cnt = error_unknown_noteval_eq_zero(result) |
|
239
|
1 |
|
notappl_cnt = result['notappl_cnt'] >= 0 |
|
240
|
1 |
|
return true_cnt and false_cnt and unknown_noteval_cnt and notappl_cnt |
|
241
|
|
|
|
|
242
|
|
|
|
|
243
|
1 |
|
def one_is_false1(result): |
|
244
|
|
|
"""Evaluates if the result match false for one operator. |
|
245
|
|
|
|
|
246
|
|
|
Args: |
|
247
|
|
|
result (dict): Dictionary representing frequencies of values |
|
248
|
|
|
|
|
249
|
|
|
Returns: |
|
250
|
|
|
bool. |
|
251
|
|
|
""" |
|
252
|
1 |
|
true_cnt = result['true_cnt'] >= 2 |
|
253
|
1 |
|
false_error_cnt = eq_or_greater_zero_duo(result, 'false_cnt', 'error_cnt') |
|
254
|
1 |
|
unknown_noteval_notappl = eq_or_greater_zero_unknown_noteval_notappl(result) |
|
255
|
1 |
|
return true_cnt and false_error_cnt and unknown_noteval_notappl |
|
256
|
|
|
|
|
257
|
|
|
|
|
258
|
1 |
|
def one_is_true(result): |
|
259
|
|
|
"""Evaluates if the result match true for one operator. |
|
260
|
|
|
|
|
261
|
|
|
Args: |
|
262
|
|
|
result (dict): Dictionary representing frequencies of values |
|
263
|
|
|
|
|
264
|
|
|
Returns: |
|
265
|
|
|
bool. |
|
266
|
|
|
""" |
|
267
|
1 |
|
true_cnt = result['true_cnt'] == 1 |
|
268
|
1 |
|
false_notappl_cnt = eq_or_greater_zero_duo(result, 'false_cnt', 'notappl_cnt') |
|
269
|
1 |
|
unknown_noteval_cnt = error_unknown_noteval_eq_zero(result) |
|
270
|
1 |
|
return true_cnt and false_notappl_cnt and unknown_noteval_cnt |
|
271
|
|
|
|
|
272
|
|
|
|
|
273
|
1 |
|
def eq_or_greater_zero_unknown_noteval_notappl(result): |
|
|
|
|
|
|
274
|
1 |
|
unknown_cnt = eq_or_greater_zero(result, 'unknown_cnt') |
|
275
|
1 |
|
noteval_cnt = eq_or_greater_zero(result, 'noteval_cnt') |
|
276
|
1 |
|
notappl_cnt = eq_or_greater_zero(result, 'notappl_cnt') |
|
277
|
1 |
|
return unknown_cnt and notappl_cnt and noteval_cnt |
|
278
|
|
|
|
|
279
|
|
|
|
|
280
|
1 |
|
def eq_zero_unknown_noteval_notappl(result): |
|
|
|
|
|
|
281
|
1 |
|
error_cnt = eq_zero(result, 'error_cnt') |
|
282
|
1 |
|
unknown_cnt = eq_zero(result, 'unknown_cnt') |
|
283
|
1 |
|
noteval_cnt = eq_zero(result, 'noteval_cnt') |
|
284
|
1 |
|
return error_cnt and unknown_cnt and noteval_cnt |
|
285
|
|
|
|
|
286
|
|
|
|
|
287
|
1 |
|
def error_unknown_noteval_eq_zero(result): |
|
|
|
|
|
|
288
|
1 |
|
error_cnt = eq_zero(result, 'error_cnt') |
|
289
|
1 |
|
unknown_cnt = eq_zero(result, 'unknown_cnt') |
|
290
|
1 |
|
noteval_cnt = eq_zero(result, 'noteval_cnt') |
|
291
|
1 |
|
return error_cnt and unknown_cnt and noteval_cnt |
|
292
|
|
|
|
|
293
|
|
|
|
|
294
|
1 |
|
def error_unknown_eq_noteval_greater_zero(result): |
|
|
|
|
|
|
295
|
1 |
|
error_cnt = eq_zero(result, 'error_cnt') |
|
296
|
1 |
|
unknown_cnt = eq_zero(result, 'unknown_cnt') |
|
297
|
1 |
|
noteval_cnt = greater_zero(result, 'noteval_cnt') |
|
298
|
1 |
|
return error_cnt and unknown_cnt and noteval_cnt |
|
299
|
|
|
|
|
300
|
|
|
|
|
301
|
1 |
|
def error_unknown_eq_zero(result): |
|
|
|
|
|
|
302
|
1 |
|
return eq_zero(result, 'error_cnt') and greater_zero(result, 'unknown_cnt') |
|
303
|
|
|
|
|
304
|
|
|
|
|
305
|
1 |
|
def is_notapp_result(result): |
|
306
|
|
|
"""Evaluates if the counts of values in |
|
307
|
|
|
the result matches the notapp result. |
|
308
|
|
|
|
|
309
|
|
|
Args: |
|
310
|
|
|
result (dict): Dictionary representing frequencies of values |
|
311
|
|
|
|
|
312
|
|
|
Returns: |
|
313
|
|
|
bool. |
|
314
|
|
|
""" |
|
315
|
1 |
|
notappl_cnt = result['notappl_cnt'] > 0 |
|
316
|
1 |
|
false_cnt = eq_zero(result, 'false_cnt') |
|
317
|
1 |
|
unknown_noteval_cnt = error_unknown_noteval_eq_zero(result) |
|
318
|
1 |
|
true_cnt = eq_zero(result, 'true_cnt') |
|
319
|
|
|
return notappl_cnt and false_cnt and unknown_noteval_cnt and true_cnt |
|
320
|
|
|
|
OpenSCAP /
oval-graph
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