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8a2e3e2a79
* ox.el (org-export-snippet-translation-alist) (org-export-coding-system, org-export-in-background) (org-export-async-init-file, org-export-invisible-backends) (org-export-dispatch-use-expert-ui): * ox-texinfo.el (org-texinfo-filename, org-texinfo-classes) (org-texinfo-format-headline-function) (org-texinfo-node-description-column) (org-texinfo-active-timestamp-format) (org-texinfo-link-with-unknown-path-format) (org-texinfo-tables-verbatim) (org-texinfo-table-scientific-notation) (org-texinfo-text-markup-alist) (org-texinfo-format-drawer-function) (org-texinfo-format-inlinetask-function) (org-texinfo-info-process): * ox-man.el (org-man-tables-centered) (org-man-table-scientific-notation) (org-man-source-highlight, org-man-source-highlight-langs) (org-man-pdf-process, org-man-logfiles-extensions): * ox-html.el (org-html-allow-name-attribute-in-anchors) (org-html-coding-system, org-html-divs): * ox-ascii.el (org-ascii-text-width) (org-ascii-headline-spacing, org-ascii-indented-line-width) (org-ascii-paragraph-spacing, org-ascii-charset) (org-ascii-underline, org-ascii-bullets) (org-ascii-links-to-notes) (org-ascii-table-keep-all-vertical-lines) (org-ascii-table-widen-columns) (org-ascii-table-use-ascii-art) (org-ascii-format-drawer-function) (org-ascii-format-inlinetask-function): * org.el (org-modules, org-export-backends) (org-highlight-latex-and-related, orgstruct-setup-hook): * org-attach.el (org-attach-git-annex-cutoff): * org-archive.el (org-archive-file-header-format): * org-agenda.el (org-agenda-todo-ignore-time-comparison-use-seconds): * ob-python.el (org-babel-python-hline-to) (org-babel-python-None-to): * ob-ditaa.el (org-ditaa-eps-jar-path): * ob-core.el (org-babel-results-keyword): Add :version and :package-version. * ox-ascii.el: Use utf-8-emacs as the file coding system.
323 lines
11 KiB
EmacsLisp
323 lines
11 KiB
EmacsLisp
;;; ob-python.el --- org-babel functions for python evaluation
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;; Copyright (C) 2009-2013 Free Software Foundation, Inc.
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;; Authors: Eric Schulte
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;; Dan Davison
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;; Keywords: literate programming, reproducible research
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;; Homepage: http://orgmode.org
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Org-Babel support for evaluating python source code.
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;;; Code:
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(require 'ob)
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(eval-when-compile (require 'cl))
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(declare-function org-remove-indentation "org" )
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(declare-function py-shell "ext:python-mode" (&optional argprompt))
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(declare-function py-toggle-shells "ext:python-mode" (arg))
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(declare-function run-python "ext:python" (&optional cmd noshow new))
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(defvar org-babel-tangle-lang-exts)
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(add-to-list 'org-babel-tangle-lang-exts '("python" . "py"))
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(defvar org-babel-default-header-args:python '())
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(defcustom org-babel-python-command "python"
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"Name of the command for executing Python code."
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:version "24.4"
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:package-version '(Org . "8.0")
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:group 'org-babel
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:type 'string)
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(defcustom org-babel-python-mode
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(if (or (featurep 'xemacs) (featurep 'python-mode)) 'python-mode 'python)
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"Preferred python mode for use in running python interactively.
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This will typically be either 'python or 'python-mode."
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:group 'org-babel
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:version "24.4"
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:package-version '(Org . "8.0")
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:type 'function)
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(defvar org-src-preserve-indentation)
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(defcustom org-babel-python-hline-to "None"
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"Replace hlines in incoming tables with this when translating to python."
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:group 'org-babel
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:version "24.4"
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:package-version '(Org . "8.0")
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:type 'string)
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(defcustom org-babel-python-None-to 'hline
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"Replace 'None' in python tables with this before returning."
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:group 'org-babel
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:version "24.4"
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:package-version '(Org . "8.0")
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:type 'string)
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(defun org-babel-execute:python (body params)
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"Execute a block of Python code with Babel.
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This function is called by `org-babel-execute-src-block'."
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(let* ((session (org-babel-python-initiate-session
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(cdr (assoc :session params))))
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(result-params (cdr (assoc :result-params params)))
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(result-type (cdr (assoc :result-type params)))
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(return-val (when (and (eq result-type 'value) (not session))
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(cdr (assoc :return params))))
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(preamble (cdr (assoc :preamble params)))
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(full-body
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(org-babel-expand-body:generic
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(concat body (if return-val (format "\nreturn %s" return-val) ""))
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params (org-babel-variable-assignments:python params)))
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(result (org-babel-python-evaluate
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session full-body result-type result-params preamble)))
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(org-babel-reassemble-table
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result
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(org-babel-pick-name (cdr (assoc :colname-names params))
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(cdr (assoc :colnames params)))
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(org-babel-pick-name (cdr (assoc :rowname-names params))
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(cdr (assoc :rownames params))))))
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(defun org-babel-prep-session:python (session params)
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"Prepare SESSION according to the header arguments in PARAMS.
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VARS contains resolved variable references"
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(let* ((session (org-babel-python-initiate-session session))
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(var-lines
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(org-babel-variable-assignments:python params)))
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(org-babel-comint-in-buffer session
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(mapc (lambda (var)
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(end-of-line 1) (insert var) (comint-send-input)
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(org-babel-comint-wait-for-output session)) var-lines))
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session))
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(defun org-babel-load-session:python (session body params)
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"Load BODY into SESSION."
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(save-window-excursion
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(let ((buffer (org-babel-prep-session:python session params)))
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(with-current-buffer buffer
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(goto-char (process-mark (get-buffer-process (current-buffer))))
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(insert (org-babel-chomp body)))
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buffer)))
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;; helper functions
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(defun org-babel-variable-assignments:python (params)
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"Return a list of Python statements assigning the block's variables."
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(mapcar
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(lambda (pair)
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(format "%s=%s"
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(car pair)
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(org-babel-python-var-to-python (cdr pair))))
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(mapcar #'cdr (org-babel-get-header params :var))))
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(defun org-babel-python-var-to-python (var)
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"Convert an elisp value to a python variable.
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Convert an elisp value, VAR, into a string of python source code
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specifying a variable of the same value."
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(if (listp var)
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(concat "[" (mapconcat #'org-babel-python-var-to-python var ", ") "]")
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(if (equal var 'hline)
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org-babel-python-hline-to
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(format
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(if (and (stringp var) (string-match "[\n\r]" var)) "\"\"%S\"\"" "%S")
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var))))
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(defun org-babel-python-table-or-string (results)
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"Convert RESULTS into an appropriate elisp value.
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If the results look like a list or tuple, then convert them into an
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Emacs-lisp table, otherwise return the results as a string."
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((lambda (res)
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(if (listp res)
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(mapcar (lambda (el) (if (equal el 'None)
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org-babel-python-None-to el))
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res)
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res))
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(org-babel-script-escape results)))
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(defvar org-babel-python-buffers '((:default . nil)))
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(defun org-babel-python-session-buffer (session)
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"Return the buffer associated with SESSION."
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(cdr (assoc session org-babel-python-buffers)))
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(defvar py-default-interpreter)
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(defun org-babel-python-initiate-session-by-key (&optional session)
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"Initiate a python session.
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If there is not a current inferior-process-buffer in SESSION
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then create. Return the initialized session."
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(require org-babel-python-mode)
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(save-window-excursion
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(let* ((session (if session (intern session) :default))
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(python-buffer (org-babel-python-session-buffer session)))
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(cond
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((and (eq 'python org-babel-python-mode)
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(fboundp 'run-python)) ; python.el
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(if (version< "24.1" emacs-version)
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(run-python org-babel-python-command)
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(run-python)))
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((and (eq 'python-mode org-babel-python-mode)
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(fboundp 'py-shell)) ; python-mode.el
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;; Make sure that py-which-bufname is initialized, as otherwise
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;; it will be overwritten the first time a Python buffer is
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;; created.
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(py-toggle-shells py-default-interpreter)
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;; `py-shell' creates a buffer whose name is the value of
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;; `py-which-bufname' with '*'s at the beginning and end
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(let* ((bufname (if (and python-buffer (buffer-live-p python-buffer))
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(replace-regexp-in-string ;; zap surrounding *
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"^\\*\\([^*]+\\)\\*$" "\\1" python-buffer)
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(concat "Python-" (symbol-name session))))
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(py-which-bufname bufname))
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(py-shell)
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(setq python-buffer (concat "*" bufname "*"))))
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(t
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(error "No function available for running an inferior Python")))
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(setq org-babel-python-buffers
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(cons (cons session python-buffer)
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(assq-delete-all session org-babel-python-buffers)))
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session)))
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(defun org-babel-python-initiate-session (&optional session params)
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"Create a session named SESSION according to PARAMS."
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(unless (string= session "none")
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(org-babel-python-session-buffer
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(org-babel-python-initiate-session-by-key session))))
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(defvar org-babel-python-eoe-indicator "'org_babel_python_eoe'"
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"A string to indicate that evaluation has completed.")
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(defvar org-babel-python-wrapper-method
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"
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def main():
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%s
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open('%s', 'w').write( str(main()) )")
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(defvar org-babel-python-pp-wrapper-method
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"
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import pprint
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def main():
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%s
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open('%s', 'w').write( pprint.pformat(main()) )")
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(defun org-babel-python-evaluate
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(session body &optional result-type result-params preamble)
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"Evaluate BODY as Python code."
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(if session
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(org-babel-python-evaluate-session
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session body result-type result-params)
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(org-babel-python-evaluate-external-process
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body result-type result-params preamble)))
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(defun org-babel-python-evaluate-external-process
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(body &optional result-type result-params preamble)
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"Evaluate BODY in external python process.
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If RESULT-TYPE equals 'output then return standard output as a
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string. If RESULT-TYPE equals 'value then return the value of the
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last statement in BODY, as elisp."
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((lambda (raw)
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(org-babel-result-cond result-params
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raw
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(org-babel-python-table-or-string (org-babel-trim raw))))
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(case result-type
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(output (org-babel-eval org-babel-python-command
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(concat (if preamble (concat preamble "\n") "")
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body)))
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(value (let ((tmp-file (org-babel-temp-file "python-")))
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(org-babel-eval
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org-babel-python-command
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(concat
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(if preamble (concat preamble "\n") "")
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(format
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(if (member "pp" result-params)
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org-babel-python-pp-wrapper-method
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org-babel-python-wrapper-method)
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(mapconcat
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(lambda (line) (format "\t%s" line))
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(split-string
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(org-remove-indentation
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(org-babel-trim body))
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"[\r\n]") "\n")
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(org-babel-process-file-name tmp-file 'noquote))))
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(org-babel-eval-read-file tmp-file))))))
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(defun org-babel-python-evaluate-session
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(session body &optional result-type result-params)
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"Pass BODY to the Python process in SESSION.
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If RESULT-TYPE equals 'output then return standard output as a
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string. If RESULT-TYPE equals 'value then return the value of the
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last statement in BODY, as elisp."
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(let* ((send-wait (lambda () (comint-send-input nil t) (sleep-for 0 5)))
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(dump-last-value
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(lambda
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(tmp-file pp)
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(mapc
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(lambda (statement) (insert statement) (funcall send-wait))
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(if pp
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(list
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"import pprint"
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(format "open('%s', 'w').write(pprint.pformat(_))"
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(org-babel-process-file-name tmp-file 'noquote)))
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(list (format "open('%s', 'w').write(str(_))"
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(org-babel-process-file-name tmp-file 'noquote)))))))
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(input-body (lambda (body)
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(mapc (lambda (line) (insert line) (funcall send-wait))
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(split-string body "[\r\n]"))
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(funcall send-wait))))
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((lambda (results)
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(unless (string= (substring org-babel-python-eoe-indicator 1 -1) results)
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(org-babel-result-cond result-params
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results
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(org-babel-python-table-or-string results))))
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(case result-type
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(output
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(mapconcat
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#'org-babel-trim
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(butlast
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(org-babel-comint-with-output
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(session org-babel-python-eoe-indicator t body)
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(funcall input-body body)
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(funcall send-wait) (funcall send-wait)
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(insert org-babel-python-eoe-indicator)
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(funcall send-wait))
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2) "\n"))
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(value
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(let ((tmp-file (org-babel-temp-file "python-")))
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(org-babel-comint-with-output
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(session org-babel-python-eoe-indicator nil body)
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(let ((comint-process-echoes nil))
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(funcall input-body body)
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(funcall dump-last-value tmp-file (member "pp" result-params))
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(funcall send-wait) (funcall send-wait)
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(insert org-babel-python-eoe-indicator)
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(funcall send-wait)))
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(org-babel-eval-read-file tmp-file)))))))
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(defun org-babel-python-read-string (string)
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"Strip 's from around Python string."
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(if (string-match "^'\\([^\000]+\\)'$" string)
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(match-string 1 string)
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string))
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(provide 'ob-python)
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;;; ob-python.el ends here
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