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Дата создания: 2022/04/19 17:16 (C) mihanik

#
# URL availability check function
# Input: url - file URL
# Exit: true - the file is available for download
# 	false - the file is NOT available for download
#
def url_ok (url, timeout = 5):
    try:
        return urllib2.urlopen (url, timeout = timeout) .getcode () == 200
    except urllib2.URLError as e:
        return False
    except socket.timeout as e:
        return False
 
# Download file function
# Input: From where we download the file (myurl), where we download the file (mypath)
# Exit: true - successful download
# 	false - download failed
def my_downloadfile (myurl, mypath):
    if not url_ok (myurl, 5):
        print 'File NOT Available: ', myurl
        return False
    print 'File available:', myurl
    try:
        mycontent = urllib2.urlopen (myurl)
        output = open (mypath, 'wb')
        output.write (mycontent.read ())
    except urllib2.HTTPError, error:
        print 'Error:', error.read ()
        print 'File not downloaded', myurl
        return False
    except:
        print 'Something went wrong while downloading the file.', myurl
        return False
    else:
        print 'File downloaded.', myurl
        return True
    finally:
        output.close ()

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