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1 #!/usr/bin/env python
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2 """
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3 Validate the metadata file associated with Affymetrix 96 well plate data.
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4 """
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5 import argparse
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6 import datetime
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7 import decimal
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8 import re
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9 import shutil
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10 import sys
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11
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12 parser = argparse.ArgumentParser()
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13 parser.add_argument('--input', dest='input', help='Metadata file for Affymetrix 96 well plate data')
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14 parser.add_argument('--output', dest='output', help='Output dataset'),
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15 args = parser.parse_args()
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16
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17 EMAIL_MAX_LEN = 255
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18 VALID_EMAIL_RE = re.compile("[^@]+@[^@]+\.[^@]+")
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19
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20
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21 def add_error_msg(accumulated_msgs, msg):
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22 return "%s\n%s" % (accumulated_msgs, msg)
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23
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24
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25 def empty_value(line_no, label, accumulated_msgs):
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26 return add_error_msg(accumulated_msgs, "The required %s value is missing on line %d." % (label, line_no))
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27
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28
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29 def stop_error(msg):
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30 sys.exit(msg)
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31
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32
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9
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33 def string_as_boolean_string(string):
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34 if str(string).lower() in ['true', 'yes', 'on', '1']:
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35 return 'True'
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36 else:
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37 return 'False'
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38
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39
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0
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40 def validate_date_string(line_no, date_string, accumulated_msgs):
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9
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41 if len(date_string) == 0:
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42 return accumulated_msgs
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43 try:
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9
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44 datetime.datetime.strptime(date_string, '%Y-%m-%d')
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45 return accumulated_msgs
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46 except ValueError:
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47 return add_error_msg(accumulated_msgs, "Line %d contains an incorrect date format (%s must be YYYY-MM-DD)." % (line_no, date_string))
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48
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49
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50 def validate_decimal(line_no, decimal_string, accumulated_msgs):
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51 try:
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52 decimal.Decimal(decimal_string)
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53 return accumulated_msgs
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54 except Exception:
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55 return add_error_msg(accumulated_msgs, "Line %d contains an incorrect decimal value (%s)." % (line_no, decimal_string))
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56
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57
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58 def validate_email(line_no, email, accumulated_msgs):
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59 if not (VALID_EMAIL_RE.match(email)):
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60 return add_error_msg(accumulated_msgs, "Line %d contains an invalid email address (%s). " % (line_no, email))
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61 elif len(email) > EMAIL_MAX_LEN:
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62 return add_error_msg(accumulated_msgs, "Line %d contains an email address (%) that is longer than the maximum length, %d characters." % (line_no, email))
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63 return accumulated_msgs
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64
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65
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66 accumulated_msgs = ""
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67 # Parse the input file, skipping the header, and validating
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68 # that each data line consists of 31 comma-separated items.
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69 with open(args.input, "r") as ih:
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1
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70 for i, line in enumerate(ih):
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71 if i == 0:
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72 # Skip the header.
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73 continue
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74 line = line.rstrip("\r\n")
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75 if i > 97:
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76 accumulated_msgs = add_error_msg(accumulated_msgs, "The input file contains more than 97 lines (must be 1 header line and no more than 96 data lines).")
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77 stop_error(accumulated_msgs)
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3
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78 items = line.split(",")
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79 if len(items) != 29:
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80 accumulated_msgs = add_error_msg(accumulated_msgs, "Line %d contains %s columns, (must be 29)." % (i, len(items)))
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2
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81 stop_error(accumulated_msgs)
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82 # Required and validated.
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83 date_entered_db = items[0]
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4
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84 accumulated_msgs = validate_date_string(i, date_entered_db, accumulated_msgs)
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85 # Required.
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86 user_specimen_id = items[1]
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87 if len(user_specimen_id) == 0:
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88 accumulated_msgs = empty_value(i, "user_specimen_id", accumulated_msgs)
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89 # Optional.
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90 field_call = items[2]
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91 # Optional.
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92 bcoral_genet_id = items[3]
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93 # Optional.
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94 bsym_genet_id = items[4]
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95 # Required.
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96 reef = items[5]
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97 if len(reef) == 0:
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98 accumulated_msgs = empty_value(i, "reef", accumulated_msgs)
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99 # Required.
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100 region = items[6]
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101 if len(region) == 0:
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102 accumulated_msgs = empty_value(i, "region", accumulated_msgs)
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103 # Required and validated.
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104 latitude = items[7]
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105 accumulated_msgs = validate_decimal(i, latitude, accumulated_msgs)
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106 # Required and validated.
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107 longitude = items[8]
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108 accumulated_msgs = validate_decimal(i, longitude, accumulated_msgs)
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109 # Optional.
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110 geographic_origin = items[9]
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111 # Optional.
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112 sample_location = items[10]
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113 # Optional.
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114 latitude_outplant = items[11]
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115 # Optional.
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116 longitude_outplant = items[12]
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117 # Optional.
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118 depth = items[13]
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119 # Optional.
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120 dist_shore = items[14]
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121 # Optional.
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122 disease_resist = items[15]
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123 # Optional.
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124 bleach_resist = items[16]
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125 # Optional.
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126 mortality = items[17]
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127 # Optional.
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128 tle = items[18]
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129 # Optional.
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130 spawning = string_as_boolean_string(items[19])
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131 # Required.
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132 collector_last_name = items[21]
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133 if len(collector_last_name) == 0:
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134 accumulated_msgs = empty_value(i, "collector_last_name", accumulated_msgs)
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135 # Required.
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136 collector_first_name = items[22]
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137 if len(collector_first_name) == 0:
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138 accumulated_msgs = empty_value(i, "collector_first_name", accumulated_msgs)
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139 # Required.
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140 org = items[23]
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141 if len(org) == 0:
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142 accumulated_msgs = empty_value(i, "org", accumulated_msgs)
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143 # Required and validated.
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144 collection_date = items[24]
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145 accumulated_msgs = validate_date_string(i, date_entered_db, accumulated_msgs)
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146 # Required and validated.
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147 contact_email = items[25]
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148 accumulated_msgs = validate_email(i, contact_email, accumulated_msgs)
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149 # Required.
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150 seq_facility = items[26]
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151 if len(seq_facility) == 0:
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152 accumulated_msgs = empty_value(i, "seq_facility", accumulated_msgs)
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153 # Optional.
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154 array_version = items[27]
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155 # Optional.
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156 public = string_as_boolean_string(items[28])
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157 # Optional.
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11
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158 public_after_date = items[29]
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159 accumulated_msga = validate_date_string(public_after_date)
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160
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6
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161 if len(accumulated_msgs) > 0:
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162 stop_error(accumulated_msgs)
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163
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164 shutil.copyfile(args.input, args.output)
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