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RCloud develop branch

Features

  • Feature: notebook.R HTTP entry point added. It uses path.info to match a notebook name and (optionally) a file within the notebook. Possible uses:

       /notebook.R/<notebook-hash>
   /notebook.R/<notebook-hash>/<version-hash>
   /notebook.R/<notebook-hash>/<filename>
   /notebook.R/<notebook-hash>/<version-hash>/<filename>
   /notebook.R/<user>/<notebook-name>
   /notebook.R/<user>/<notebook-name>/<filename>

    To avoid ambiguity usernames should not match exactly [0-9a-f]{20} and filenames should not match exactly [0-9a-f]{40} since hashes have higher priority than names.

    All above uses that end with <filename> will attempt to fetch the file of that name from the notebook. All other uses call the corresponding notebook, i.e. return the evaluation result.

    KNOWN BUG: notebook.R currently ignores all RMarkdown cells, so if you mix R content into your cells, they will currently be ignored.

    NOTE: notebook.R supersedes call.R, file.R and by.name.R that existed in the development version performing partial opeartions.

  • Convention: the notebook.R entry point is used for general RPC into R. Documentation for notebooks that are intended to be used as notebook.R targets should be in the form of RMarkdown cells, so that view.html?notebook=X shows the documentation for notebook.R/X.

  • Feature: the HTTP server supports partial path matching, .i.e, /foo.R/bar/gee can match foo.R file in which case the rest of the path is stored in path.info and foo.R is evaluated. If the path is a complete match, path.info is NULL. In both cases self.path variable will contain the path that matches the path to the script being run.

  • Feature: tmpfile result type is now supported in rcloud.call.FastRWeb.notebook

  • Feature: File upload now supports upload-to-notebook. When the "upload to notebook" checkbox is selected, the file is uploaded to the github gist instead of to the local filesystem. As a result, it can be seen by anyone, regardless of permissions. This can be used to install custom stylesheets (as per feature description below)

  • Feature: Notebook interests (the set of notebooks you find interesting enough to keep close) is now denoted by starring and unstarring notebooks. We now explicitly keep the user-notebook-starring relation so we can do recsys things with it in the future.

  • Feature: In view mode (view.html), appending &quiet=1 will hide the navbar and greeting message. This makes it easier for view.html URLs to be effectively used as iframes in different websites.

  • Feature: In view mode (view.html), rcloud inserts any stylesheets present in the notebook into the main document. Currently, the only way to add stylesheets to a notebook is to directly edit the github gist. This will change in the near future.

  • Feature: added a github.user.whitelist option to rcloud.conf to allow only a subset of Github users to login to any given rcloud deployment. If no whitelist is given, all users are allowed in

Bugfixes

  • Bugfix: rcloud.call.notebook would break on arguments with empty names (e.g. ?foo query string when using notebook.R)

September 19th 2013

  • v0.8 release created