From: Robert Klemme <shortcutter@...>
Date: 2011-09-04T21:11:26+09:00
Subject: Re: Downloading Images Errors

On Sat, Sep 3, 2011 at 11:44 PM, John Bentley <pluhveso@gmail.com> wrote:
> Hi everyone, I'm just dabbling in Ruby and making little programs that
> help me dive in.  However, I'm having some issues around net/http and
> open-uri.
>
> In Python, I made an imgur.com image downloader that basically scrapes
> the screen for images and then uses urllib/urllib2 to download them.
> Works flawlessly.
>
> I've recreated the same program in Ruby, but it only works for about 35%
> of the links it comes across.  The rest throw the following error when
> it comes to actually downloading and saving the file:
>
> C:/Ruby192/lib/ruby/1.9.1/open-uri.rb:35:in `initialize': Permission
> denied - G:/downloads/images/ (Errno::EACCES)
>
> Here's a couple code variations I've tried using:
>
> url = URI.parse(fileURL)
> http = Net::HTTP.start(url.host, url.port)
> resp = http.request_get(url.path, "User-Agent"=> 'Mozilla/5.0')
> open(fullPath + '/' + fileName, 'wb') do |file|
>    file.write(resp.read_body)
>
> OR:
>
> resp = Net::HTTP.get_response(URI.parse(fileURL))
> open(fullPath + '/' + fileName, 'wb') do |file|
>    file.write(resp.body)
>
>
> These links throwing an error are the same links that download fine and
> work fine in Python writing to the same directory structure - and I
> can't figure out what is wrong.
>
> Someone suggested using the image_downloader gem, but it didn't work.  I
> opened up the source for it and its basically doing the same thing I was
> doing manually, so it figures it would fail.
>
> Anybody know what's going on here? :(

This has nothing to do with your download code and everything with
local file permissions.

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/