1 | import os |
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2 | import unittest |
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3 | import tempfile |
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4 | import numpy as num |
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5 | |
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6 | from csv_file import load_csv_as_array, load_csv_as_dict, store_parameters, \ |
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7 | load_csv_as_matrix |
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8 | |
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9 | class Test_csv(unittest.TestCase): |
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10 | def setUp(self): |
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11 | pass |
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12 | |
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13 | def tearDown(self): |
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14 | pass |
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15 | |
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16 | def _create_csv_file(self): |
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17 | """ |
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18 | Create a dummy csv file. |
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19 | Return its filename. |
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20 | """ |
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21 | filename = tempfile.mktemp(".txt") |
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22 | file = open(filename,"w") |
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23 | file.write("elevation, stage\n\ |
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24 | 1.0, 3 \n\ |
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25 | 0.0, 4 \n\ |
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26 | 4.0, 3 \n\ |
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27 | 1.0, 6 \n") |
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28 | file.close() |
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29 | return filename |
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30 | |
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31 | def test_get_data_from_file1(self): |
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32 | filename = self._create_csv_file() |
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33 | |
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34 | x = load_csv_as_array(filename) |
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35 | |
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36 | os.remove(filename) |
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37 | |
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38 | assert num.allclose(x['elevation'], [1.0, 0.0, 4.0, 1.0]) |
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39 | assert num.allclose(x['stage'], [3.0, 4.0, 3.0, 6.0]) |
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40 | |
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41 | |
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42 | def test_get_data_from_file(self): |
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43 | filename = self._create_csv_file() |
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44 | |
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45 | header,x = load_csv_as_matrix(filename) |
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46 | os.remove(filename) |
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47 | |
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48 | assert num.allclose(x[:,0], [1.0, 0.0,4.0, 1.0]) |
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49 | |
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50 | |
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51 | def test_store_parameters(self): |
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52 | """tests store temporary file |
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53 | """ |
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54 | |
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55 | from os import sep, getenv |
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56 | |
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57 | output_dir='' |
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58 | file_name='details.csv' |
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59 | |
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60 | kwargs = {'file_name':'new2.txt', |
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61 | 'output_dir':output_dir, |
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62 | 'file_name':file_name, |
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63 | 'who':'me', |
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64 | 'what':'detail', |
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65 | 'how':2, |
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66 | 'why':241, |
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67 | # 'completed':345 |
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68 | } |
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69 | store_parameters(verbose=False,**kwargs) |
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70 | |
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71 | temp='detail_temp.csv' |
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72 | fid = open(temp) |
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73 | file_header = fid.readline() |
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74 | file_line = fid.readline() |
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75 | fid.close() |
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76 | |
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77 | |
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78 | keys = kwargs.keys() |
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79 | keys.sort() |
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80 | line='' |
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81 | header='' |
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82 | count=0 |
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83 | #used the sorted keys to create the header and line data |
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84 | for k in keys: |
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85 | # print "%s = %s" %(k, kwargs[k]) |
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86 | header = header+str(k) |
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87 | line = line+str(kwargs[k]) |
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88 | count+=1 |
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89 | if count <len(kwargs): |
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90 | header = header+',' |
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91 | line = line+',' |
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92 | header+='\n' |
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93 | line+='\n' |
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94 | |
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95 | |
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96 | #file exists |
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97 | assert os.access(temp, os.F_OK) |
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98 | assert header == file_header |
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99 | assert line == file_line |
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100 | |
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101 | os.remove(temp) |
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102 | |
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103 | def test_store_parameters1(self): |
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104 | """tests store in temporary file and other file |
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105 | """ |
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106 | |
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107 | from os import sep, getenv |
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108 | |
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109 | output_dir='' |
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110 | file_name='details.csv' |
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111 | |
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112 | kwargs = {'file_name':'new2.txt', |
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113 | 'output_dir':output_dir, |
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114 | 'file_name':file_name, |
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115 | 'who':'me', |
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116 | 'what':'detail', |
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117 | 'how':2, |
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118 | 'why':241, |
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119 | # 'completed':345 |
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120 | } |
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121 | store_parameters(verbose=False,**kwargs) |
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122 | |
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123 | kwargs['how']=55 |
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124 | kwargs['completed']=345 |
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125 | |
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126 | keys = kwargs.keys() |
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127 | keys.sort() |
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128 | line='' |
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129 | header='' |
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130 | count=0 |
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131 | #used the sorted keys to create the header and line data |
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132 | for k in keys: |
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133 | # print "%s = %s" %(k, kwargs[k]) |
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134 | header = header+str(k) |
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135 | line = line+str(kwargs[k]) |
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136 | count+=1 |
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137 | if count <len(kwargs): |
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138 | header = header+',' |
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139 | line = line+',' |
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140 | header+='\n' |
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141 | line+='\n' |
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142 | |
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143 | kwargs['how']=55 |
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144 | kwargs['completed']=345 |
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145 | |
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146 | store_parameters(verbose=False,**kwargs) |
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147 | |
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148 | # temp='detail_temp.csv' |
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149 | fid = open(file_name) |
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150 | file_header = fid.readline() |
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151 | file_line1 = fid.readline() |
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152 | file_line2 = fid.readline() |
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153 | fid.close() |
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154 | |
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155 | |
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156 | #file exists |
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157 | # print 'header',header,'line',line |
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158 | # print 'file_header',file_header,'file_line1',file_line1,'file_line2',file_line2 |
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159 | assert os.access(file_name, os.F_OK) |
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160 | assert header == file_header |
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161 | assert line == file_line1 |
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162 | |
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163 | temp='detail_temp.csv' |
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164 | os.remove(temp) |
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165 | os.remove(file_name) |
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166 | |
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167 | def test_store_parameters2(self): |
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168 | """tests appending the data to the end of an existing file |
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169 | """ |
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170 | |
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171 | from os import sep, getenv |
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172 | |
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173 | output_dir='' |
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174 | file_name='details.csv' |
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175 | |
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176 | kwargs = {'file_name':'new2.txt', |
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177 | 'output_dir':output_dir, |
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178 | 'file_name':file_name, |
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179 | 'who':'me', |
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180 | 'what':'detail', |
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181 | 'how':2, |
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182 | 'why':241, |
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183 | 'completed':345 |
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184 | } |
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185 | store_parameters(verbose=False,**kwargs) |
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186 | |
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187 | kwargs['how']=55 |
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188 | kwargs['completed']=23.54532 |
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189 | |
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190 | store_parameters(verbose=False,**kwargs) |
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191 | |
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192 | keys = kwargs.keys() |
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193 | keys.sort() |
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194 | line='' |
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195 | header='' |
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196 | count=0 |
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197 | #used the sorted keys to create the header and line data |
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198 | for k in keys: |
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199 | # print "%s = %s" %(k, kwargs[k]) |
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200 | header = header+str(k) |
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201 | line = line+str(kwargs[k]) |
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202 | count+=1 |
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203 | if count <len(kwargs): |
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204 | header = header+',' |
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205 | line = line+',' |
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206 | header+='\n' |
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207 | line+='\n' |
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208 | |
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209 | fid = open(file_name) |
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210 | file_header = fid.readline() |
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211 | file_line1 = fid.readline() |
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212 | file_line2 = fid.readline() |
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213 | fid.close() |
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214 | |
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215 | assert os.access(file_name, os.F_OK) |
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216 | assert header == file_header |
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217 | assert line == file_line2 |
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218 | |
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219 | os.remove(file_name) |
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220 | |
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221 | |
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222 | |
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223 | |
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224 | ################################################################################# |
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225 | |
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226 | if __name__ == "__main__": |
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227 | suite = unittest.makeSuite(Test_csv, 'test') |
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228 | runner = unittest.TextTestRunner(verbosity=1) |
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229 | runner.run(suite) |
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