check if an URL exists without opening it
joonas.paalasmaa at iki.fi
Sat Aug 10 20:36:49 CEST 2002
In article <3d541502$0$549$626a54ce at news.free.fr>, David wrote:
> I would like to check if an URL exists.
> (for instance http://www.yahoo.com/try.pdf)
> The method urllib.open is unsatisfactory because the URL (which will be a
> file in my program) is opened ! So it can take too long time, just to check
> the existence !
Use httplib module to issue a HEAD request that downloads only headers,
not the actual file. For further information refer to the httplib
http = httplib.HTTP(servername)
errcode, errmsg, headers = http.getreply()
if errcode == 200:
print "file exists"
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