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7
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1 import os
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2 import sys
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3 import uuid
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4 import json
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0
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5 import argparse
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6 import datetime
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7
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7 import requests
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8 from requests.exceptions import ContentDecodingError
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0
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9
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10 parser = argparse.ArgumentParser(description='Create data manager json.')
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7
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11 parser.add_argument('--out',
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12 dest='output',
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13 action='store',
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14 help='JSON filename',
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15 )
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16 parser.add_argument('--name',
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17 dest='name',
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18 action='store',
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19 default=uuid.uuid4(),
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20 help='Data table entry unique ID'
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21 )
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22 parser.add_argument('--url',
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23 dest='url',
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24 action='store',
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8
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25 help='Download URL'
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26 )
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0
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27
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28 args = parser.parse_args()
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29
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7
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30
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27
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31 def url_download(url):
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32 response = requests.get(url=url, stream=True)
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33
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22
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34 # Generate file_name
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23
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35 file_name = response.url.split("/")[-1]
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36
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37 block_size = 10 * 1024 * 1024 # 10MB chunked download
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23
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38 with open(file_name, 'w+') as f:
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39 try:
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24
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40 # Good to note here that requests' iter_content() will
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41 # automatically handle decoding "gzip" and "deflate" formats
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7
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42 for buf in response.iter_content(block_size):
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43 f.write(buf)
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44 except (ContentDecodingError, IOError) as e:
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45 sys.stderr.write("Error occured downloading reference file: %s"
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46 % e)
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23
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47 os.remove(file_name)
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7
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48
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33
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49 with open("/Users/scott/Desktop/cool.txt", "w+") as f:
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32
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50 f.write(os.path.join(os.getcwd(), file_name))
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51
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26
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52 return file_name
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0
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53
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54
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55 def main(args):
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56
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57 # Attempt to download gene annotation file from given url
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27
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58 gene_annotation_file_name = url_download(args.url)
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59
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22
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60 # Update Data Manager JSON and write to file
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61 data_manager_entry = {
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62 'data_tables': {
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63 'gene_annotation': {
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22
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64 'value': str(datetime.datetime.now()),
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10
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65 'dbkey': str(args.name),
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26
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66 'name': gene_annotation_file_name.split(".")[0],
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67 'path': gene_annotation_file_name
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68 }
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69 }
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70 }
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71
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19
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72 with open(os.path.join(args.output), "w+") as f:
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73 f.write(json.dumps(data_manager_entry))
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74
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75 if __name__ == '__main__':
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7
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76 main(args)
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