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  • Prevent multiple executions of the same source block as the source block is being run.
  • Add a new customization jupyter-org-queue-requests which, when non-nil, does client-side queuing of source block execute requests and aborts any queued requests when one that has been sent raises an error.
  • In Org, add an overlay to the source block regions as the source blocks are being executed. Block users from attempting to edit the source block while it is being edited, similar to how source blocks can’t be edited when an org-src edit buffer is editing its contents.

v1.0

  • The results of executing named Jupyter source blocks can now be referenced by other source blocks. In other words, referencing a Jupyter block in the context of noweb expansion, using org-sbe, or as the value of a source block variable works now.
  • Added the customizable variable jupyter-org-auto-connect which determines if a session should automatically be connected to upon the first insertion into a source block’s region.
  • The Jupyter executable used by underlying calls to jupyter-command may now be set using the variable jupyter-executable.
  • Virtual environments are supported. If the VIRTUAL_ENV environment variable is set, then the available kernels to launch will be those under the virtual environment assuming your exec-path is set correctly to contain the Jupyter executable under the virtual environment. See for example https://github.com/jorgenschaefer/pyvenv.
  • Added org-babel-jupyter-language-aliases which allows you to change the name of the Org source block for a particular kernel language. Usually the name of the source block is jupyter-LANG where LANG is the name of the kernel language. This variable allows you to specify something else for LANG.
  • Added the jupyter-use-zmq variable which determines whether or not zmq based connections are available for use. If this variable is nil then only server based connections can be used and in some instances a default notebook server is started to manage those connections, e.g. when calling jupyter-run-repl.

v0.8.3

  • Additional bug fixes.
  • Fixed a regression that appears when executing an org-mode source block of a previously created session. A new connection to the session was being created before execution instead of using the old connection. See #240.
  • Fixed regression due to uppercase characters in kernel language names, e.g. R. emacs-jupyter would not work at all with language specific features.

v0.8.2

  • Fix recursive loading error caused by jupyter-tramp.el autoloads.
  • Consider kernelspecs with spaces and uppercase characters in the kernel’s language name.
  • In org-mode, fixed a bug where inline results where being displayed differently from what they would have been when the results are not inline.
  • When jupyter-repl-echo-eval-p is non-nil, ensure that any cell code not sent to a kernel yet is preserved.
  • In org-mode, fix a bug where if the :session header argument of Jupyter source blocks is a relative file name with a .json suffix and default-directory is a remote directory, a file on the local machine would be read.
  • Use org-babel-jupyter-async-inline-results-pending-indicator as a placeholder when evaluating asynchronous inline source blocks in org-mode.
  • Integrate better with packages like polymode when evaluating source blocks in org-mode by considering indirect buffers. Thanks to @dvzubarev for the solution.
  • Fixed usage of source block parameters when evaluating source blocks using #+CALL in org-mode. There are many sources of source block parameters that org-mode merges to produce the final set of parameters passed to org-babel-execute:jupyter, previously that function would just re-compute source block parameters. Now it uses the parameters it was given, see org-babel-jupyter-current-src-block-params.
  • Add support for displaying evaluation results in the current buffer using overlays. See jupyter-eval-use-overlays and the relevant README sections.
  • Fix jupyter-repl-restart-kernel to restart a kernel using a kernel manager when one is available. Previously, restarting a kernel using that function wouldn’t work properly if the kernel was from a notebook server.
  • Increase default timeout until a kernel is considered dead to 30 seconds when communicating directly with a kernel. More specifically, if a response from a kernel is not received after three consecutive 10 s periods on the heartbeat channel, the kernel is considered dead. Previously the timeout was five 1 s periods. This should fix Kernel not alive errors when using the REPL if the kernel being communicated with was on a slow connection.
  • Ensure that a non-default value of url-cookie-file is handled properly in the notebook support.
  • In org-mode handle ANSI control codes in stream output.
  • In org-mode fix a regression where source block results were not being associated with #+CALL Org elements.
  • Add support for the Jupyter Notebook REST API. See the relevant sections in the README.

v0.8.1

  • Add the commands jupyter-org-(next|previous)-busy-src-block which will jump to the next or previous busy source block in an org-mode buffer. Bound to N and P in the Hydra provided in org-mode (C-c h).
  • Add customizable variable jupyter-org-adjust-image-size to avoid stretching images when org-image-actual-width is set so that it falls back to a default width for an inline image.
  • Fix a message buffering issue when sending multiple requests to a kernel in quick succession, e.g. when calling org-babel-execute-subtree in org-mode when all Jupyter source blocks in the subtree are evaluated asynchronously.
  • In jupyter-org-insert-src-block (1) adjust whitespace so that there is at least one blank line before and following an inserted source block (2) do not insert a new source block between a source block and its results, always insert the new block after a source block’s results (3) do not move past an inlinetask, normally the current paragraph or element under point is moved past before inserting a new source block.
  • Fix issues with undo in the REPL when trying to undo after inserting a newline. See #139.
  • In org-mode, detect Org formatted table strings when a kernel returns a text/org mimetype. This avoids wrapping the table in a drawer.
  • If a file is opened via emacsclient, attempt to associate the opened buffer with a REPL client. This is useful, e.g. when using the julia language’s edit function and the EDITOR environment variable is set to emacsclient. See jupyter-server-mode-set-client for more details.
  • In org-mode, when inserting the results of an asynchronously evaluated src-block, indent the results to match the surrounding indentation level.
  • In org-mode, fix an issue when a src-block is nested within a list that would cause the entire list to be erased when asynchronously evaluating the src-block.
  • Add new customizable variable jupyter-repl-echo-eval-p that causes the REPL to behave similarly to comint or ESS when evaluating code. Specifically, it causes any code that is sent to the underlying kernel to also be displayed as a REPL input cell. The previous behavior would only display the sent code as an input cell if it was explicitly typed in at the REPL.
  • Add the new command jupyter-repl-clear-cells to clear all of the current input and output cells in a REPL buffer. Bound to C-c C-o by default in the REPL.
  • Fix an issue where timeouts started using with-timeout would timeout when the kernel requests input from the user. The timeouts are now suspended in such cases.
  • In jupyter-R.el handle the isolated metadata property of HTML results by opening up an external browser to display the result.
  • Allow :session to be a remote file name for org-mode source blocks. When :session is a remote file name that doesn’t end in .json, e.g. /ssh:ec2:jl, a new kernel is started on the remote host using the jupyter kernel command on that host. The local file name part serves to distinguish different sessions on the remote host.
  • Add the new commands jupyter-repl-history-previous-matching and jupyter-repl-history-next-matching, bound to C-c M-r and C-c M-s in the REPL.
  • In jupyter-with-display-buffer, let bind jupyter-current-client. This fixes an issue where kernel language specific methods were not overriding the defaults when attempting to display the contents of display-data messages received from a kernel.
  • Fix a regression in jupyter-available-kernelspecs when getting the kernelspecs on remote hosts.
  • Handle empty result blocks when stripping ANSI escape sequences during export in org-babel-jupyter-strip-ansi-escapes.
  • Call downcase on the language name when adding to org-src-lang-modes. This fixes an issue with the C++ kernel where the corresponding mode is c++-mode.

v0.8.0

  • Support Windows
  • In org-mode, support a header argument :pandoc t. Whenever this header argument is provided, certain kinds of code block results are translated into org-mode syntax using a pandoc process, if available. See the variable jupyter-org-pandoc-convertable for the kinds of results which can be converted in this way.
  • Add initial support for C++.
  • Add a new customizable variable jupyter-repl-allow-RET-when-busy which allows RET to insert a newline in a REPL cell whenever the kernel of the REPL is busy. Normally this isn’t allowed since, when a kernel is busy, it doesn’t respond to messages such as the :is-complete-request which is used to determine when the code should be sent to the kernel or a newline should be inserted whenever RET is pressed.
  • Add initial support for R. Thanks to jackkamm.
  • In jupyter-eval-string also handle :display-data messages.
  • Add a new jupyter-comm-layer class which generalizes how a jupyter-kernel-client communicates with a kernel. Previously there was only one method of communication with a kernel, via a subprocess which communicates to the kernel using ZMQ sockets. In order to support other kinds of communication, e.g. using websockets, the jupyter-comm-layer generalizes the method of communication so that a client need not know how communication occurs.
  • Add jupyter-org-execute-subtree (C-M-<return>) to the jupyter-org hydra. Also, various improvements to the source block insertion functions such as how they handle whitespace and determine the language of the source block to insert.
  • Properly cleanup connection files when restarting a kernel.
  • Fontify ANSI coded regions in example blocks and fixed width elements in org-mode. This feature is activated when jupyter-org-interaction-mode and currently applies to all example blocks and fixed width elements. This is useful for kernels that apply ANSI color codes to source block results such as IJulia.
    • Note the ANSI codes will be removed from the elements during export so that they don’t appear in the final exported document.
  • In org-mode when point is on a Jupyter source block inside an invisible region, e.g. when it point lies inside a folded subtree, ignore any special keybindings for the source block.
  • Consider the /docker: TRAMP method provided by https://github.com/emacs-pe/docker-tramp.el. See (magit-rev 4ef27c2) for more details.
  • Change the default completion context to only consider the deepest nested parenthetical level. Previously all levels were considered, but this is not a good default when interacting with LISP like kernels such as Clojupyter.
  • In org-mode, when evaluating Jupyter source blocks during export, ensure that all source blocks are evaluated synchronously even when :async yes is specified.
  • When using jupyter-eval-line-or-region and friends, don’t display a message in the *Messages* buffer if a traceback will be shown.
  • Be consistent with the use of the :file header argument when :async no is specified vs :async yes. In particular, the :file header argument means to use the path specified as the name of any image file generated by the source block in emacs-jupyter. For regular org-mode source blocks, it means to write the results of the source block to file. See #40 and #59.
  • Fix off by one line issue when jupyter-org-toggle-latex is non-nil.
  • Don’t wrap the source code of an IJulia source block in a let block when using the :dir header argument in org-mode source blocks.

v0.7.3

  • Fix an issue where loading jupyter-org-client.el would trigger a recursive require of org.
  • Don’t fail if a short result has % characters in the default jupyter-eval-short-result-display-function.
  • Port scimax’s source block helper functions. Thanks to UndeadKernel for the work he put into this. See #45.
  • Fix an issue where a kernel would be stuck in the busy state waiting for input from the user when calling jupyter-eval-line-or-string and friends. The :input-request handler was being inhibited in these cases.
  • When evaluating Julia code blocks with the :dir header argument, fix an issue where top-level expressions like using Plots wouldn’t work see #57.
  • Don’t use proportional fonts when rendering HTML. See #52.
  • Fix whitespace issues when wrapping org-mode source block results in a RESULTS drawer.
  • Increase jupyter-default-timeout to 2.5 seconds. See #43.
  • Fix issues with the REPL restart process. See #50.
    • Refactor REPL restart to avoid relying on a status: starting message to be received.
    • Actually restart the kernel process when using a kernel manager.
    • In jupyter-repl-restart-kernel inhibit message handlers from running when sending a shutdown request.
  • Add the functions org-babel-jupyter-override-src-block and org-babel-jupyter-restore-src-block to provide a way of overriding normal org-mode source block languages to use the Jupyter source block framework. For example, by evaluating (org-babel-jupyter-override-src-block "python") all python source blocks will actually be jupyter-python source blocks.
  • Add the customizable variable jupyter-pop-up-frame which controls if a frame or a window is popped up when evaluating code using jupyter-eval-line-or-region (bound to C-c C-c when jupyter-repl-interaction-mode is enabled)
  • In jupyter-repl-after-change, maintain the text properties at the beginning of a REPL input cell when text is deleted at the beginning of a cell. See #38.
  • In jupyter-repl-font-lock-fontify-region and jupyter-repl-syntax-propertize-function narrow to the REPL input cell before doing any work since the kernel language mode’s fontification functions do not know about REPL input/output boundaries.
  • In jupyter-repl-do-after-change, widen the buffer before doing any work to take into account changes that narrow to fields. In such cases functions like jupyter-repl-cell-code-beginning-position will not work right since they look at positions before the cell-code field. See #38.
  • Handle the overflow of the prompt margin in the REPL by increasing the margin width and re-calculating all the prompts in the buffer when the length of the prompt string exceeds the width of the margin. See #39.
    • Also, for the Julia kernel, don’t replace the REPL prompt but add it as part of the REPL cell.
  • Add support for suppressing org-mode table output from source blocks by specifying :results scalar.
  • Add a new org-mode source block header argument :display which allows a user to control which mimetype is displayed. See #17.
  • Fix an issue with undo in the REPL where the addition of continuation prompts for multi-line input would add extra undo information that would interfere with undo.
  • Update org-mode source block result insertion to consider changes in how fixed-width and example-block elements and are printed to the buffer in org-mode >= 9.2. Also start testing against the latest version of org-mode in Travis.
  • Handle the case of an empty RESULTS drawer during source block result insertion in the :async yes case.
  • Add a file slot to a jupyter-org-request. Also, internally remove the :file header argument from an org-mode source block’s parameters during block evaluation so that org-mode doesn’t specially handle the :file argument as it interferes with insertion of results when :async yes is specified. Note this is currently only done for the :async yes case.
  • In jupyter-repl-syntax-propertize-function, in addition to handling parenthesis syntax, handle string syntax. This is so that any string syntax characters in the output are not considered strings in the kernel’s language.
  • In jupyter--display-eval-result prefer Markdown if it is available.

v0.7.2

  • In jupyter-handle-input-request, be more secure when reading passwords by using clear-string after sending the message and avoiding printing passwords to the *Messages* buffer when jupyter--debug is non-nil.
  • In jupyter-insert-latex remove modification-hooks from the image overlays so that the images are not removed from the buffer when changing the text properties of the underlying text.
  • In jupyter-read-expression show the kernel language when prompting in the minibuffer.
  • In jupyter-repl-kill-buffer-query-function also ask to kill the kernel.
  • In jupyter-with-display-buffer properly advance jupyter-display-buffer-marker when contents are added to the buffer so that future inserts will insert at the end of the buffer. Also handle a nil RESET argument.
  • Keep : as the start of a completion prefix for the Julia kernel to allow completing dictionary keys.
  • Consider the state of the ioloop in the jupyter-channel-alive-p method of a jupyter-kernel-client. In particular, ensure the method returns nil, when the ioloop isn’t alive.
  • Change the default completion context, the context returned by jupyter-code-context with an argument of completion, to return all nested levels of parenthesis.
  • In org-babel-jupyter-setup-export, use the kernelspecs on the system to add to org-latex-minted-langs.
  • Add new hook variables jupyter-repl-cell-{pre|post}-send-hook that are called before and after sending the contents of a REPL cell to the kernel.
  • In jupyter-repl-finalize-cell ensure that only the last cell in the REPL buffer is finalized by going to point-max before accessing a cell’s properties. This avoids issues with modifying the properties of previously finalized cells.
  • Integrate more with font-lock and syntax-ppss in the REPL by (1) adding a custom syntax-propertize-function (2) handle REPL mode characters in the Julia kernel and (3) use the kernel language syntax table when calling font-lock functions.

v0.7.1

  • Fix a bug in jupyter-connect-repl which would cause the REPL to think that the kernel wasn’t alive. The issue was that the heartbeat channel was not exchanging messages with the kernel and the heartbeat channel is relied on to check for the liveness of a kernel connected to using jupyter-connect-repl. See #29.
  • When using jupyter-eval-string (C-c M-:), properly use the client local variable, jupyter-eval-expression-history, as the minibuffer history.
  • jupyter-repl-restart-kernel now prompts for a REPL client to restart if the jupyter-current-client variable is not set in the current buffer. See #28.
  • Fix bug when a kernel does not respond to a shutdown request. Previously in such cases, the kernel process would not be forcibly killed and would stay alive.
  • Add org-babel-jupyter-setup-export to integrate the exporting process with emacs-jupyter. This function is added to org-export-before-processing-hook and currently only ensures that, when exporting to LaTeX and the minted package is being used, the jupyter-LANG source blocks use LANG for their minted language.

v0.7.0

  • Remove compatibility with ob-ipython by going back to using a jupyter- prefix instead of a jupy- prefix for Jupyter src-block languages.
  • Re-use windows displaying jupyter specific buffers instead of popping up new windows whenever possible, e.g. when displaying a traceback or output caused by evaluating code. See jupyter-display-current-buffer-reuse-window.
  • Consider the underlying REPL client of org-mode Jupyter src-blocks as valid clients to associate a source code buffer with using jupyter-repl-associate-buffer.
  • Add the customizable variable jupyter-org-toggle-latex which automatically converts latex fragment results of org-mode Jupyter src-blocks into images if non-nil.
  • Add the customizable variables jupyter-eval-short-result-max-lines and jupyter-eval-short-result-display-function which control how to display evaluation results having a number of lines less than jupyter-eval-short-result-max-lines. As an example, you can set jupyter-eval-short-result-display-function to popup-tip from the popup package to show short results inline after evaluation.
  • When :results silent is an argument for an org-mode src-block and an error occurs, display a link to jump to the line of the src-block which caused the error along with the error traceback. Note this requires that the underlying kernel language extend the jupyter-org-error-location method.
  • Fix integration with insert-for-yank inside a REPL buffer. Previously, yanking text from the kill ring into the REPL buffer would interfere with font-lock and motion functions such as beginning-of-line. See #14.
  • Add the minor mode jupyter-org-interaction-mode enabled in all org-mode buffers by default. This mode enables completion in Jupyter src-blocks directly from the org-mode buffer and custom keybindings for each kernel language that are only enabled if point is inside a Jupyter src-block. You bind keys to commands using jupyter-org-define-key. Inspired by scimax.
  • Support the :dir header argument of org-mode src-blocks. Since Jupyter src-blocks have a backing REPL session, the :dir argument only ensures that the REPL session is initialized in the specified directory. After the session is initialized, the :dir argument has no effect when evaluating src-blocks with the same underlying session. Now, the directory is changed inside the REPL environment before evaluation of a src-block and reset to the previous directory after evaluation whenever :dir is specified as a header argument. Note, this requires that the backing kernel language handles :dir in the changelist argument of org-babel-jupyter-transform-code. Also inspired by scimax.
  • Add support for inline Jupyter src-blocks in org-mode.
  • For Jupyter src-blocks, delete files of unreachable links from org-babel-jupyter-resource-directory. When replacing image link results of a src-block, e.g. by re-evaluation of the src-block, delete the corresponding image file if it exists in org-babel-jupyter-resource-directory. Once again inspired by scimax.
  • Add the jupyter-repl-traceback face. This face is used to fontify the background of a traceback in the REPL buffer to distinguish it from other output. In addition to this face, there is also jupyter-repl-input-prompt and jupyter-repl-output-prompt.