1 | #!/usr/bin/env python |
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2 | # -*- coding: utf-8 -*- |
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3 | #************************************************************************ |
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4 | # ToDo AP |
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5 | # - write a test class |
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6 | #************************************************************************ |
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7 | #******************************************************************************* |
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8 | # @Author: Leopold Haimberger (University of Vienna) |
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9 | # |
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10 | # @Date: November 2015 |
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11 | # |
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12 | # @Change History: |
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13 | # |
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14 | # February 2018 - Anne Philipp (University of Vienna): |
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15 | # - applied PEP8 style guide |
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16 | # - added documentation |
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17 | # - applied some minor modifications in programming style/structure |
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18 | # - changed name of class Control to ControlFile for more |
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19 | # self-explanation naming |
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20 | # - outsource of class ControlFile |
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21 | # |
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22 | # @License: |
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23 | # (C) Copyright 2015-2018. |
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24 | # |
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25 | # This software is licensed under the terms of the Apache Licence Version 2.0 |
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26 | # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. |
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27 | # |
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28 | # @Class Description: |
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29 | # The CONTROL file is the steering part of the FLEXPART extraction |
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30 | # software. All necessary parameters needed to retrieve the data fields |
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31 | # from the MARS archive for driving FLEXPART are set in a CONTROL file. |
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32 | # Some specific parameters like the start and end dates can be overwritten |
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33 | # by the command line parameters, but in generel all parameters needed |
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34 | # for a complete set of fields for FLEXPART can be set in the CONTROL file. |
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35 | # |
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36 | # @Class Content: |
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37 | # - __init__ |
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38 | # - __str__ |
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39 | # - to_list |
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40 | # |
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41 | # @Class Attributes: |
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42 | # - start_date |
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43 | # - end_date |
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44 | # - accuracy |
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45 | # - omega |
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46 | # - cwc |
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47 | # - omegadiff |
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48 | # - etadiff |
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49 | # - level |
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50 | # - levelist |
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51 | # - step |
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52 | # - maxstep |
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53 | # - prefix |
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54 | # - makefile |
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55 | # - basetime |
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56 | # - date_chunk |
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57 | # - grib2flexpart |
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58 | # - exedir |
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59 | # - flexpart_root_scripts |
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60 | # - ecmwfdatadir |
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61 | # |
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62 | #******************************************************************************* |
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63 | |
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64 | # ------------------------------------------------------------------------------ |
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65 | # MODULES |
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66 | # ------------------------------------------------------------------------------ |
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67 | import os |
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68 | import inspect |
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69 | |
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70 | # ------------------------------------------------------------------------------ |
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71 | # CLASS |
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72 | # ------------------------------------------------------------------------------ |
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73 | class ControlFile(object): |
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74 | ''' |
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75 | Class containing the information of the flex_extract CONTROL file. |
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76 | |
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77 | Contains all the parameters of CONTROL file, which are e.g.: |
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78 | DAY1(start_date), DAY2(end_date), DTIME, MAXSTEP, TYPE, TIME, |
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79 | STEP, CLASS(marsclass), STREAM, NUMBER, EXPVER, GRID, LEFT, |
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80 | LOWER, UPPER, RIGHT, LEVEL, LEVELIST, RESOL, GAUSS, ACCURACY, |
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81 | OMEGA, OMEGADIFF, ETA, ETADIFF, DPDETA, SMOOTH, FORMAT, |
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82 | ADDPAR, WRF, CWC, PREFIX, ECSTORAGE, ECTRANS, ECFSDIR, |
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83 | MAILOPS, MAILFAIL, GRIB2FLEXPART, FLEXPARTDIR, |
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84 | BASETIME, DATE_CHUNK, DEBUG, INPUTDIR, OUTPUTDIR, FLEXPART_ROOT_SCRIPTS |
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85 | |
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86 | For more information about format and content of the parameter |
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87 | see documentation. |
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88 | |
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89 | ''' |
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90 | |
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91 | def __init__(self, filename): |
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92 | ''' |
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93 | @Description: |
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94 | Initialises the instance of ControlFile class and defines and |
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95 | assign all CONTROL file variables. Set default values if |
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96 | parameter was not in CONTROL file. |
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97 | |
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98 | @Input: |
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99 | self: instance of ControlFile class |
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100 | Description see class documentation. |
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101 | |
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102 | filename: string |
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103 | Name of CONTROL file. |
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104 | |
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105 | @Return: |
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106 | <nothing> |
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107 | ''' |
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108 | from tools import my_error |
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109 | |
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110 | # read whole CONTROL file |
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111 | with open(filename) as f: |
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112 | fdata = f.read().split('\n') |
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113 | |
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114 | # go through every line and store parameter |
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115 | # as class variable |
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116 | for ldata in fdata: |
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117 | data = ldata.split() |
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118 | if len(data) > 1: |
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119 | if 'm_' in data[0].lower(): |
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120 | data[0] = data[0][2:] |
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121 | if data[0].lower() == 'class': |
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122 | data[0] = 'marsclass' |
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123 | if data[0].lower() == 'day1': |
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124 | data[0] = 'start_date' |
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125 | if data[0].lower() == 'day2': |
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126 | data[0] = 'end_date' |
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127 | if data[0].lower() == 'addpar': |
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128 | if '/' in data[1]: |
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129 | # remove leading '/' sign from addpar content |
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130 | if data[1][0] == '/': |
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131 | data[1] = data[1][1:] |
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132 | dd = data[1].split('/') |
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133 | data = [data[0]] |
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134 | for d in dd: |
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135 | data.append(d) |
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136 | if len(data) == 2: |
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137 | if '$' in data[1]: |
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138 | setattr(self, data[0].lower(), data[1]) |
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139 | while '$' in data[1]: |
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140 | i = data[1].index('$') |
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141 | j = data[1].find('{') |
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142 | k = data[1].find('}') |
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143 | var = os.getenv(data[1][j+1:k]) |
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144 | if var is not None: |
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145 | data[1] = data[1][:i] + var + data[1][k+1:] |
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146 | else: |
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147 | my_error(None, 'Could not find variable ' + |
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148 | data[1][j+1:k] + ' while reading ' + |
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149 | filename) |
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150 | setattr(self, data[0].lower() + '_expanded', data[1]) |
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151 | else: |
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152 | if data[1].lower() != 'none': |
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153 | setattr(self, data[0].lower(), data[1]) |
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154 | else: |
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155 | setattr(self, data[0].lower(), None) |
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156 | elif len(data) > 2: |
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157 | setattr(self, data[0].lower(), (data[1:])) |
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158 | else: |
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159 | pass |
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160 | |
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161 | # check a couple of necessary attributes if they contain values |
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162 | # otherwise set default values |
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163 | if not hasattr(self, 'start_date'): |
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164 | self.start_date = None |
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165 | if not hasattr(self, 'end_date'): |
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166 | self.end_date = self.start_date |
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167 | if not hasattr(self, 'accuracy'): |
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168 | self.accuracy = 24 |
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169 | if not hasattr(self, 'omega'): |
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170 | self.omega = '0' |
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171 | if not hasattr(self, 'cwc'): |
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172 | self.cwc = '0' |
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173 | if not hasattr(self, 'omegadiff'): |
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174 | self.omegadiff = '0' |
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175 | if not hasattr(self, 'etadiff'): |
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176 | self.etadiff = '0' |
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177 | if not hasattr(self, 'levelist'): |
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178 | if not hasattr(self, 'level'): |
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179 | print 'Warning: neither levelist nor level \ |
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180 | specified in CONTROL file' |
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181 | else: |
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182 | self.levelist = '1/to/' + self.level |
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183 | else: |
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184 | if 'to' in self.levelist: |
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185 | self.level = self.levelist.split('/')[2] |
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186 | else: |
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187 | self.level = self.levelist.split('/')[-1] |
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188 | |
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189 | if not hasattr(self, 'maxstep'): |
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190 | # find out maximum step |
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191 | self.maxstep = 0 |
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192 | for s in self.step: |
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193 | if int(s) > self.maxstep: |
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194 | self.maxstep = int(s) |
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195 | else: |
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196 | self.maxstep = int(self.maxstep) |
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197 | |
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198 | if not hasattr(self, 'prefix'): |
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199 | self.prefix = 'EN' |
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200 | if not hasattr(self, 'makefile'): |
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201 | self.makefile = None |
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202 | if not hasattr(self, 'basetime'): |
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203 | self.basetime = None |
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204 | if not hasattr(self, 'date_chunk'): |
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205 | self.date_chunk = '3' |
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206 | if not hasattr(self, 'grib2flexpart'): |
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207 | self.grib2flexpart = '0' |
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208 | |
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209 | # script directory |
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210 | self.ecmwfdatadir = os.path.dirname(os.path.abspath(inspect.getfile( |
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211 | inspect.currentframe()))) + '/../' |
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212 | # Fortran source directory |
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213 | self.exedir = self.ecmwfdatadir + 'src/' |
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214 | |
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215 | # FLEXPART directory |
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216 | if not hasattr(self, 'flexpart_root_scripts'): |
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217 | self.flexpart_root_scripts = self.ecmwfdatadir |
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218 | |
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219 | return |
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220 | |
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221 | def __str__(self): |
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222 | ''' |
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223 | @Description: |
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224 | Prepares a single string with all the comma seperated ControlFile |
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225 | class attributes including their values. |
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226 | |
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227 | Example: |
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228 | {'kids': 0, 'name': 'Dog', 'color': 'Spotted', |
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229 | 'age': 10, 'legs': 2, 'smell': 'Alot'} |
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230 | |
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231 | @Input: |
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232 | self: instance of ControlFile class |
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233 | Description see class documentation. |
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234 | |
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235 | @Return: |
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236 | string of ControlFile class attributes with their values |
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237 | ''' |
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238 | |
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239 | attrs = vars(self) |
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240 | |
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241 | return ', '.join("%s: %s" % item for item in attrs.items()) |
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242 | |
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243 | def to_list(self): |
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244 | ''' |
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245 | @Description: |
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246 | Just generates a list of strings containing the attributes and |
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247 | assigned values except the attributes "_expanded", "exedir", |
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248 | "ecmwfdatadir" and "flexpart_root_scripts". |
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249 | |
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250 | @Input: |
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251 | self: instance of ControlFile class |
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252 | Description see class documentation. |
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253 | |
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254 | @Return: |
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255 | l: list |
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256 | A sorted list of the all ControlFile class attributes with |
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257 | their values except the attributes "_expanded", "exedir", |
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258 | "ecmwfdatadir" and "flexpart_root_scripts". |
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259 | ''' |
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260 | |
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261 | attrs = vars(self) |
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262 | l = list() |
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263 | |
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264 | for item in attrs.items(): |
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265 | if '_expanded' in item[0]: |
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266 | pass |
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267 | elif 'exedir' in item[0]: |
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268 | pass |
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269 | elif 'flexpart_root_scripts' in item[0]: |
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270 | pass |
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271 | elif 'ecmwfdatadir' in item[0]: |
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272 | pass |
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273 | else: |
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274 | if isinstance(item[1], list): |
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275 | stot = '' |
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276 | for s in item[1]: |
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277 | stot += s + ' ' |
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278 | |
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279 | l.append("%s %s" % (item[0], stot)) |
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280 | else: |
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281 | l.append("%s %s" % item) |
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282 | |
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283 | return sorted(l) |
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284 | |
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285 | # def to_dict(self): |
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286 | # ''' |
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287 | |
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288 | # ''' |
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289 | # parameters_dict = vars(self) |
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290 | |
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291 | # # remove unneeded parameter |
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292 | # parameters_dict.pop('_expanded', None) |
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293 | # parameters_dict.pop('exedir', None) |
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294 | # parameters_dict.pop('flexpart_root_scripts', None) |
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295 | # parameters_dict.pop('ecmwfdatadir', None) |
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296 | |
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297 | # parameters_dict_str = {} |
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298 | # for key, value in parameters_dict.iteritems(): |
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299 | # if isinstance(value, list): |
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300 | # parameters_dict_str[str(key)] = get_list_as_string(value, ' ') |
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301 | # else: |
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302 | # parameters_dict_str[str(key)] = str(value) |
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303 | |
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304 | # return parameters_dict_str |
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