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66 lines
1.6 KiB
Python
66 lines
1.6 KiB
Python
#!/usr/bin/env python
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import urllib
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import sys, os
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assert sys.version_info[:2] >= ( 2, 4 )
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CHUNK = 2**20 # 1Mb
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MAXSIZE = CHUNK * 100
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if __name__ == '__main__':
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if len(sys.argv) != 3:
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print 'Usage ucsc.py input_params output_file'
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sys.exit()
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inp_file = sys.argv[1]
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out_file = sys.argv[2]
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DEFAULT_URL = "http://genome.ucsc.edu/hgTables?"
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# this must stay a list to allow multiple selections for the same widget name (checkboxes)
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params = []
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for line in file(inp_file):
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line = line.strip()
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if line:
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parts = line.split('=')
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if len(parts) == 0:
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key = ""
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value = ""
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elif len(parts) == 1:
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key = parts[0]
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value = ""
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else:
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key = parts[0]
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value = parts[1]
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if key == 'display':
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print value
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# get url from params, refered from proxy.py, initialized by the tool xml
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elif key == 'proxy_url':
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DEFAULT_URL = value
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else:
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params.append( (key, value) )
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#print params
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encoded_params = urllib.urlencode(params)
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url = DEFAULT_URL + encoded_params
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#print url
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page = urllib.urlopen(url)
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fp = open(out_file, 'wt')
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size = 0
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while 1:
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data = page.read(CHUNK)
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if not data:
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break
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if size > MAXSIZE:
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fp.write('----- maximum datasize exceeded ---\n')
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break
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size += len(data)
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fp.write(data)
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fp.close()
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