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1 #!/usr/bin/env python
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2 import urllib, urllib2
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3 import sys
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4 import subprocess
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5 import json
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6 import hashlib
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7 import os
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8 import logging
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9 logging.basicConfig(level=logging.DEBUG)
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10 log = logging.getLogger()
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11
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12 try:
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13 os.makedirs("output")
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14 except:
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15 #TODO
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16 pass
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17
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18 URL = sys.argv[1]
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19 DATASET_ID = sys.argv[2]
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20
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3
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21 req = urllib2.urlopen(URL)
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22 page = req.read()
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0
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23 comments = [x.strip() for x in page.split('\n') if x.strip().startswith('<!--')]
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24
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25 gx_json = open('galaxy.json', 'w')
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26
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27 prefix = '<!--gsafjson'
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28 suffix = '-->'
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29 for gsafjson in [x[len(prefix): -len(suffix)].strip() for x in comments if 'gsafjson' in x]:
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30 #{"file_type":"fastq.gz",
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31 # "JA":"****",
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32 # "sample_name":"Sample10",
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33 # "user_data":{"description":{} } ,
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34 # "md5":"2ea00f4eef8f6a2344b80fbe12ab2eb7",
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35 # "url":"http://gsaf.s3.amazonaws.com/****",
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36 # "size_in_mb":45,
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37 # "filename":"Sample10_S8_L001_R1_001.fastq.gz",
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38 # "reads":["Sample10_S8_L001_R1_001.fastq.gz","Sample10_S8_L001_R2_001.fastq.gz"],
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39 # "SA":"***"}
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40 data = json.loads(gsafjson)
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41 log.info("Fetching %s" % data['filename'])
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42 file_path = os.path.join('output', data['filename'])
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43 #urllib.urlretrieve(data['url'], file_path)
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44 log.info("Hashing file")
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45 #file_md5 = hashlib.md5(open(file_path).read()).hexdigest()
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46 #log.debug("Hashed to %s" % file_md5)
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47
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48 stderr = ''
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49 #if file_md5 != data['md5']:
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50 #stderr = 'md5sum mismatch: %s != %s' % (file_md5, data['md5'])
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51
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52 # Galaxy.json
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53 # {"name": "lambda.fa", "stdout": "uploaded fasta file", "line_count": 811, "ext": "fasta", "dataset_id": 16220, "type": "dataset"}
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54 line_count = subprocess.check_output(['wc', '-l', file_path]).strip()
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55 line_count = line_count[0:line_count.index(' ')]
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56
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57 galaxy_json = {
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58 'name': data['filename'].strip(data['file_type']),
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59 'stdout': None,
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60 'stderr': stderr,
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61 'line_count': int(line_count),
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62 # TODO, check that data is really .gz
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63 'ext': data['file_type'].strip('.gz'),
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64 'dataset_id': DATASET_ID,
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65 'type': 'dataset'
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66 }
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67
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68 #try:
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69 #subprocess.check_call(['gunzip', file_path])
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70 #except:
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71 #log.error("Couldn't extract %s" % data['filename'])
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72
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73 gx_json.write(json.dumps(galaxy_json) + "\n")
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74
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