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4
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1 #!/usr/bin/env python
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2
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3 # https://github.com/ross/requests-futures
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4 # http://docs.python-requests.org/en/master/user/quickstart/#more-complicated-post-requests
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5
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6 import os, uuid, optparse, requests, json, time
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7 #from requests_futures.sessions import FuturesSession
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8
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9 #### NN14 ####
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10 service_url = "http://nn14.galaxyproject.org:8080/";
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11 #service_url = "http://127.0.0.1:8082/";
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12 query_url = service_url+"tree/0/query";
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13 status_url = service_url+"status/<task_id>";
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14 ##############
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15
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16 def query_request( options, args, payload ):
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17 # add additional parameters to the payload
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18 #payload["tree_id"] = str(options.treeid);
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19 payload["search_mode"] = str(options.search);
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20 payload["exact_algorithm"] = int(options.exact);
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21 payload["search_threshold"] = float(options.sthreshold);
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22 # set the content type to application/json
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23 headers = {'Content-type': 'application/json'};
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24
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25 # create a session
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26 session = requests.Session();
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27 # make a synchronous post request to the query route
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28 req = session.post(query_url, headers=headers, json=payload);
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29 resp_code = req.status_code;
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30 #print(str(req.content)+"\n\n");
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31 if resp_code == requests.codes.ok:
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32 resp_content = str(req.content);
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33 # convert out to json
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34 json_content = json.loads(resp_content);
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35 # retrieve task id
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36 task_id = json_content['task_id'];
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37 task_processed = False;
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38 # results json content
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39 json_status_content = None;
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40 task_status = None;
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41 while task_processed is False:
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42 # create a new session
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43 session = requests.Session();
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44 # make a synchronous get request to the status route
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45 status_query_url = status_url.replace("<task_id>", task_id);
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46 status_req = session.get(status_query_url);
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47 status_resp_content = str(status_req.content);
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48 #print(status_resp_content+"\n\n");
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49 # convert out to json
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50 json_status_content = json.loads(status_resp_content);
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51 # take a look at the state
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52 # state attribute is always available
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53 if json_status_content['state'] == 'SUCCESS':
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54 task_processed = True;
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55 break;
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56 elif json_status_content['state'] in ['FAILURE', 'REVOKED']:
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57 return "Task status: "+str(json_status_content['state']);
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58 else:
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59 time.sleep(60); # in seconds
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60
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61 # get output dir (collection) path
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62 output_dir_path = options.outputdir;
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63 if not os.path.exists(output_dir_path):
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64 os.makedirs(output_dir_path);
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65 out_file_format = "txt";
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66
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67 for block in json_status_content['results']:
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68 seq_id = block['sequence_id'];
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69 accessions = block['accession_numbers'];
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70 # put response block in the output collection
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71 output_file_path = os.path.join(output_dir_path, seq_id + "_" + out_file_format);
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72 accessions_list = "";
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73 for accession_number in accessions:
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74 accessions_list = accessions_list + accession_number + "\n";
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75 with open(output_file_path, 'w') as out:
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76 out.write(accessions_list.strip());
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77 else:
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78 return "Unable to query the remote server. Please try again in a while.";
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79
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80 def query( options, args ):
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81 multiple_data = {};
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82 comma_sep_file_paths = options.files;
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83 #print("files: "+str(comma_sep_file_paths)+" - "+str(type(comma_sep_file_paths)));
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84 # check if options.files contains at least one file path
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85 if comma_sep_file_paths is not None:
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86 # split file paths
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87 file_paths = comma_sep_file_paths.split(",");
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88 # split file names
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89 comma_sep_file_names = str(options.names);
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90 #print("names: "+str(comma_sep_file_names));
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91 file_names = comma_sep_file_names.split(",");
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92 for idx, file_path in enumerate(file_paths):
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93 #file_name = file_names[idx];
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94 with open(file_path, 'r') as content_file:
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95 for line in content_file:
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96 if line.strip() != "":
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97 line_split = line.strip().split("__tc__"); # split on tab
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98 if len(line_split) == 2: # 0:id , 1:seq , otherwise skip line
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99 seq_id = line_split[0];
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100 seq_text = line_split[1];
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101 if seq_id in multiple_data:
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102 return "Error: the id '"+seq_id+"' is duplicated";
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103 multiple_data[seq_id] = seq_text;
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104 if len(multiple_data) > 0:
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105 return async_request( options, args, multiple_data );
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106 #return echo( options, args );
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107 else:
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108 return "An error has occurred. Please be sure that your input files are valid.";
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109 else:
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110 # try with the sequence in --sequence
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111 text_content = options.sequences;
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112 #print("sequences: "+text_content);
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113 # check if options.sequences contains a list of sequences (one for each row)
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114 if text_content is not None:
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115 text_content = str(text_content);
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116 if text_content.strip():
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117 # populate a dictionary with the files containing the sequences to query
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118 text_content = text_content.strip().split("__cn__"); # split on new line
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119 for line in text_content:
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120 if line.strip() != "":
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121 line_split = line.strip().split("__tc__"); # split on tab
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122 if len(line_split) == 2: # 0:id , 1:seq , otherwise skip line
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123 seq_id = line_split[0];
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124 seq_text = line_split[1];
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125 if seq_id in multiple_data:
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126 return "Error: the id '"+seq_id+"' is duplicated";
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127 multiple_data[seq_id] = seq_text;
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128 if len(multiple_data) > 0:
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129 return async_request( options, args, multiple_data );
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130 #return echo( options, args );
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131 else:
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132 return "An error has occurred. Please be sure that your input files are valid.";
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133 else:
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134 return "You have to insert at least one row formatted as a tab delimited <id, sequence> touple";
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135 return -1;
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136
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137 def __main__():
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138 # Parse the command line options
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139 usage = "Usage: query.py --files comma_sep_file_paths --names comma_seq_file_names --sequences sequences_text --search search_mode --exact exact_alg --sthreshold threshold --outputdir output_dir_path";
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140 parser = optparse.OptionParser(usage = usage);
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141 parser.add_option("-f", "--files", type="string",
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142 action="store", dest="files", help="comma separated files path");
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143 parser.add_option("-n", "--names", type="string",
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144 action="store", dest="names", help="comma separated names associated to the files specified in --files");
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145 parser.add_option("-s", "--sequences", type="string",
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146 action="store", dest="sequences", help="contains a list of sequences (one for each row)");
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147 parser.add_option("-a", "--fasta", type="string",
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148 action="store", dest="fasta", help="contains the content of a fasta file");
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149 parser.add_option("-x", "--search", type="string", default=0,
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150 action="store", dest="search", help="search mode");
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151 parser.add_option("-e", "--exact", type="int", default=0,
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152 action="store", dest="exact", help="exact algorithm (required if search is 1 only)");
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153 parser.add_option("-t", "--sthreshold", type="float",
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154 action="store", dest="sthreshold", help="threshold applied to the search algrithm");
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155 parser.add_option("-o", "--outputdir", type="string",
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156 action="store", dest="outputdir", help="output directory (collection) path");
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157
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158 #parser.add_option("-k", "--outfile", type="string",
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159 #action="store", dest="outfile", help="output file");
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160
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161 # TEST
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162 #--search 'rrr'
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163 #--sthreshold 0.5
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164 #--exact 0
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165 #--sequences 'id0__tc__CAATTAATGATAAATATTTTATAAGGTGCGGAAATAAAGTGAGGAATATCTTTTAAATTCAAGTTCAATTCTGAAAGC'
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166 #--outputdir 'collection_content'
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167 #sequences = 'id0__tc__CAATTAATGATAAATATTTTATAAGGTGCGGAAATAAAGTGAGGAATATCTTTTAAATTCAAGTTCAATTCTGAAAGC';
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168 #print(sequences);
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169 #(options, args) = parser.parse_args(['-x', 'rrr', '-t', 0.5, '-s', sequences, '-o', 'collection_content']);
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170
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171 (options, args) = parser.parse_args();
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172 return query( options, args );
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173
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174 if __name__ == "__main__": __main__()
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