(url, out=None, bar=bar_adaptive)
return filename
High level function, which downloads URL into tmp file in current
    directory and then renames it to filename autodetected from either URL
    or HTTP headers.

    :param bar: function to track download progress (visualize etc.)
    :param out: output filename or directory
    :return:    filename where URL is downloaded to
High level function, which downloads URL into tmp file in current
    directory and then renames it to filename autodetected from either URL
    or HTTP headers.
High level function which downloads URL into tmp file in current directory and then renames it to filename autodetected from either URL or HTTP headers .
def download(url, out=None, bar=bar_adaptive):
    """High level function, which downloads URL into tmp file in current
    directory and then renames it to filename autodetected from either URL
    or HTTP headers.

    :param bar: function to track download progress (visualize etc.)
    :param out: output filename or directory
    :return:    filename where URL is downloaded to
    """
    names = dict()
    names["out"] = out or ''
    names["url"] = filename_from_url(url)
    # get filename for temp file in current directory
    prefix = (names["url"] or names["out"] or ".") + "."
    (fd, tmpfile) = tempfile.mkstemp(".tmp", prefix=prefix, dir=".")
    os.close(fd)
    os.unlink(tmpfile)

    # set progress monitoring callback
    def callback_charged(blocks, block_size, total_size):
        # 'closure' to set bar drawing function in callback
        callback_progress(blocks, block_size, total_size, bar_function=bar)
    if bar:
        callback = callback_charged
    else:
        callback = None

    (tmpfile, headers) = ThrowOnErrorOpener().retrieve(url, tmpfile, callback)
    names["header"] = filename_from_headers(headers)
    if os.path.isdir(names["out"]):
        filename = names["header"] or names["url"]
        filename = names["out"] + "/" + filename
    else:
        filename = names["out"] or names["header"] or names["url"]
    # add numeric ' (x)' suffix if filename already exists
    if os.path.exists(filename):
        filename = filename_fix_existing(filename)
    shutil.move(tmpfile, filename)

    #print headers
    return filename
def download ( url , out = None , bar = bar_adaptive ) : names = dict ( ) names [ "out" ] = out or '' names [ "url" ] = filename_from_url ( url ) # get filename for temp file in current directory prefix = ( names [ "url" ] or names [ "out" ] or "." ) + "." ( fd , tmpfile ) = tempfile . mkstemp ( ".tmp" , prefix = prefix , dir = "." ) os . close ( fd ) os . unlink ( tmpfile ) # set progress monitoring callback def callback_charged ( blocks , block_size , total_size ) : # 'closure' to set bar drawing function in callback callback_progress ( blocks , block_size , total_size , bar_function = bar ) if bar : callback = callback_charged else : callback = None ( tmpfile , headers ) = ThrowOnErrorOpener ( ) . retrieve ( url , tmpfile , callback ) names [ "header" ] = filename_from_headers ( headers ) if os . path . isdir ( names [ "out" ] ) : filename = names [ "header" ] or names [ "url" ] filename = names [ "out" ] + "/" + filename else : filename = names [ "out" ] or names [ "header" ] or names [ "url" ] # add numeric ' (x)' suffix if filename already exists if os . path . exists ( filename ) : filename = filename_fix_existing ( filename ) shutil . move ( tmpfile , filename ) #print headers return filename