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70 lines
2.3 KiB
Python
Executable File
70 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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# ***** BEGIN LICENSE BLOCK *****
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this file,
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# You can obtain one at http://mozilla.org/MPL/2.0/.
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# ***** END LICENSE BLOCK *****
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""" Helper script for download_file()
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We lose some mozharness functionality by splitting this out, but we gain output_timeout.
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"""
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import os
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import socket
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import sys
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import urllib2
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import urlparse
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def download_file(url, file_name):
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try:
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f_length = None
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f = urllib2.urlopen(url, timeout=30)
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if f.info().get('content-length') is not None:
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f_length = int(f.info()['content-length'])
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got_length = 0
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local_file = open(file_name, 'wb')
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while True:
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block = f.read(1024 ** 2)
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if not block:
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if f_length is not None and got_length != f_length:
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raise urllib2.URLError("Download incomplete; content-length was %d, but only received %d" % (f_length, got_length))
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break
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local_file.write(block)
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if f_length is not None:
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got_length += len(block)
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local_file.close()
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print "%s downloaded to %s" % (url, file_name)
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except urllib2.HTTPError, e:
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print "Warning: Server returned status %s %s for %s" % (str(e.code), str(e), url)
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raise
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except urllib2.URLError, e:
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print "URL Error: %s" % url
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remote_host = urlparse.urlsplit(url)[1]
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if remote_host:
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os.system("nslookup %s" % remote_host)
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raise
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except socket.timeout, e:
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print "Timed out accessing %s: %s" % (url, str(e))
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raise
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except socket.error, e:
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print "Socket error when accessing %s: %s" % (url, str(e))
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raise
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if __name__ == '__main__':
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if len(sys.argv) != 3:
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if len(sys.argv) != 2:
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print "Usage: download_file.py URL [FILENAME]"
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sys.exit(-1)
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parts = urlparse.urlparse(sys.argv[1])
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file_name = parts[2].split('/')[-1]
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else:
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file_name = sys.argv[2]
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if os.path.exists(file_name):
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print "%s exists; removing" % file_name
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os.remove(file_name)
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if os.path.exists(file_name):
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print "%s still exists; exiting"
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sys.exit(-1)
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download_file(sys.argv[1], file_name)
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