1 | #!/usr/bin/env python |
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2 | |
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3 | """ |
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4 | Run the queries described in README |
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5 | |
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6 | cmd: env ABAC_CN=1 keystore=`pwd` ./query.py |
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7 | |
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8 | """ |
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9 | |
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10 | import os |
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11 | import sys |
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12 | import ABAC |
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13 | import time |
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14 | import datetime |
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15 | import math |
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16 | |
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17 | debug=0 |
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18 | |
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19 | ctxt = ABAC.Context() |
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20 | ctxt.set_no_partial_proof() |
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21 | |
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22 | cred_count = 2 + 2 * #VAL# |
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23 | |
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24 | def get_msec(e_time) : |
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25 | msec_delta=0 |
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26 | if( int(e_time.seconds) !=0 ) : |
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27 | msec_delta= int(e_time.seconds) *1000 |
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28 | if( int(e_time.microseconds) !=0) : |
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29 | msec_delta = msec_delta + int(e_time.microseconds)/1000 |
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30 | return msec_delta |
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31 | |
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32 | def get_micro(e_time) : |
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33 | micro_delta=0 |
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34 | if( int(e_time.seconds) !=0 ) : |
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35 | micro_delta= int(e_time.seconds) *1000000 |
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36 | if( int(e_time.microseconds) !=0) : |
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37 | micro_delta = micro_delta + int(e_time.microseconds) |
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38 | return micro_delta |
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39 | |
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40 | def extract_delta(starttime, endtime) : |
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41 | """ given a start time, and a endtime, extract delta """ |
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42 | elapsed_time = (endtime - starttime) |
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43 | # Only handle in seconds/microseconds |
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44 | if ( int(elapsed_time.days) != 0 ) : |
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45 | sys.stderr,write("%s is longer than a day !!!" % msg) |
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46 | exit(1) |
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47 | return elapsed_time |
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48 | |
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49 | |
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50 | # Keystore is the directory containing the principal credentials. |
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51 | # Load existing principals and/or policy credentials |
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52 | if (os.environ.has_key("keystore")) : |
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53 | keystore=os.environ["keystore"] |
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54 | starttime = datetime.datetime.now() |
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55 | ctxt.load_directory(keystore) |
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56 | endtime = datetime.datetime.now() |
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57 | elapsed_load=extract_delta(starttime, endtime) |
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58 | elapsed_msec=get_msec(elapsed_load) |
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59 | sys.stderr.write("%d %d LOAD(msec)\n" % (cred_count,elapsed_msec)) |
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60 | else: |
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61 | print("keystore is not set...") |
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62 | exit(1) |
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63 | |
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64 | ########################################################################## |
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65 | # dump the loaded principals/policies |
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66 | # |
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67 | |
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68 | fd=os.open("creds_dump",os.O_WRONLY|os.O_CREAT) |
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69 | out = ctxt.context_principals() |
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70 | for x in out[1]: |
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71 | os.write(fd, x.string()) |
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72 | os.write(fd,"\n") |
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73 | out = ctxt.context_credentials() |
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74 | for c in out[1]: |
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75 | string="%s <- %s" % (c.head_string(), c.tail_string()) |
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76 | os.write(fd,string) |
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77 | os.write(fd,"\n") |
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78 | os.close(fd) |
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79 | |
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80 | ########################################################################## |
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81 | # Does JohnX likes John0 ? |
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82 | # role = [keyid:JohnX].role:after |
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83 | # p [Keyid:john0] |
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84 | def goodQuery() : |
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85 | aid="John%s_ID.pem"% #VAL# |
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86 | aID=ABAC.ID(aid) |
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87 | a=aID.id_keyid() |
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88 | |
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89 | bID=ABAC.ID("John0_ID.pem") |
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90 | b=bID.id_keyid() |
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91 | |
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92 | role = ABAC.Role(a,"likes") |
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93 | p = ABAC.Role(b) |
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94 | |
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95 | print "\n===good============ johnN.likes <- john0 " |
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96 | starttime = datetime.datetime.now() |
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97 | out = ctxt.query(role, p) |
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98 | endtime = datetime.datetime.now() |
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99 | if(debug): |
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100 | print "good query start-> %s\n" % starttime |
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101 | print "good query end -> %s\n" % endtime |
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102 | for c in out[1]: |
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103 | print "%s <- %s" % (c.head_string(), c.tail_string()) |
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104 | return extract_delta(starttime, endtime) |
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105 | |
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106 | |
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107 | ########################################################################## |
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108 | # Does John0 likes JohnX ? |
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109 | # role = [keyid:JohnX].role:after |
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110 | # p [Keyid:john0] |
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111 | def badQuery() : |
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112 | bid="John%s_ID.pem"% #VAL# |
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113 | bID=ABAC.ID(bid) |
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114 | b=bID.id_keyid() |
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115 | |
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116 | aID=ABAC.ID("John0_ID.pem") |
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117 | a=aID.id_keyid() |
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118 | |
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119 | role = ABAC.Role(a,"likes") |
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120 | p = ABAC.Role(b) |
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121 | |
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122 | print "\n===bad============ john0.likes <- johnX " |
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123 | starttime = datetime.datetime.now() |
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124 | out = ctxt.query(role, p) |
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125 | endtime = datetime.datetime.now() |
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126 | for c in out[1]: |
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127 | print "%s <- %s" % (c.head_string(), c.tail_string()) |
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128 | return extract_delta(starttime, endtime) |
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129 | |
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130 | ############################################################## |
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131 | |
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132 | #skip the first one |
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133 | e_time=goodQuery() |
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134 | elapsed_micro=get_micro(e_time) |
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135 | sys.stderr.write("%d %d GOOD_f(micro)\n" % (cred_count,elapsed_micro)) |
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136 | |
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137 | tlist=[] |
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138 | k=100 |
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139 | while(k): |
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140 | e_time=goodQuery() |
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141 | elapsed_micro=get_micro(e_time) |
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142 | k=k-1 |
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143 | tlist.append(elapsed_micro) |
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144 | if(k==99): |
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145 | sys.stderr.write("%d %d GOOD_s(micro)\n" % (cred_count,elapsed_micro)) |
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146 | |
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147 | if(debug): |
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148 | sys.stderr.write("%d %d GOOD_%d(micro)\n" % (cred_count,elapsed_micro,k)) |
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149 | |
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150 | sum=0 |
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151 | for i in tlist: |
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152 | sum=sum+i |
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153 | ave=sum/100 |
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154 | dlist = [(x-ave) for x in tlist ] |
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155 | slist = [ (x-ave)*(x-ave) for x in tlist] |
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156 | sum=0 |
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157 | for i in slist: |
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158 | sum=sum+i |
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159 | sd=math.sqrt(sum/99) |
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160 | sys.stderr.write("%d %d %d GOOD_t(micro)\n" % (cred_count,ave,sd)) |
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161 | sys.stderr.write("%d 100 %s GOOD_list(micro)\n" % (cred_count,tlist)) |
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162 | |
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163 | |
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164 | ############################################################### |
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165 | |
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166 | e_time=badQuery() |
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167 | elapsed_micro=get_micro(e_time) |
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168 | sys.stderr.write("%d %d BAD_f(micro)\n" % (cred_count,elapsed_micro)) |
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169 | |
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170 | tlist=[] |
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171 | k=100 |
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172 | while(k): |
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173 | e_time=badQuery() |
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174 | elapsed_micro=get_micro(e_time) |
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175 | tlist.append(elapsed_micro) |
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176 | k=k-1 |
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177 | if(k==99): |
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178 | sys.stderr.write("%d %d BAD_s(micro)\n" % (cred_count,elapsed_micro)) |
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179 | |
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180 | if(debug): |
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181 | sys.stderr.write("%d %d BAD_%d(micro)\n" % (cred_count,elapsed_micro,k)) |
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182 | |
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183 | sum=0 |
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184 | for i in tlist: |
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185 | sum=sum+i |
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186 | ave=sum/100 |
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187 | dlist = [(x-ave) for x in tlist ] |
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188 | slist = [ (x-ave)*(x-ave) for x in tlist] |
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189 | sum=0 |
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190 | for i in slist: |
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191 | sum=sum+i |
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192 | sd=math.sqrt(sum/99) |
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193 | sys.stderr.write("%d %d %d BAD_t(micro)\n" % (cred_count,ave, sd)) |
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194 | sys.stderr.write("%d 100 %s BAD_list(micro)\n" % (cred_count,tlist)) |
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