11.2.1 URLopener Objects
URLopener and FancyURLopener objects have the
- open (fullurl[, data])
Open fullurl using the appropriate protocol. This method sets
up cache and proxy information, then calls the appropriate open method with
its input arguments. If the scheme is not recognized,
open_unknown() is called. The data argument
has the same meaning as the data argument of urlopen().
- open_unknown (fullurl[, data])
Overridable interface to open unknown URL types.
- retrieve (url[, filename[, reporthook]])
Retrieves the contents of url and places it in filename. The
return value is a tuple consisting of a local filename and either a
mimetools.Message object containing the response headers (for remote
URLs) or None (for local URLs). The caller must then open and read the
contents of filename. If filename is not given and the URL
refers to a local file, the input filename is returned. If the URL is
non-local and filename is not given, the filename is the output of
tempfile.mktemp() with a suffix that matches the suffix of the last
path component of the input URL. If reporthook is given, it must be
a function accepting three numeric parameters. It will be called after each
chunk of data is read from the network. reporthook is ignored for
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